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47fdf097 ML |
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" |
47fdf097 ML |
28 | |
29 | #define to_dev(obj) container_of(obj, struct device, kobj) | |
30 | ||
31 | struct 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 | ||
208e13e4 ML |
39 | struct 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 | ||
47fdf097 ML |
47 | #define BAT_ATTR(_name, _mode, _show, _store) \ |
48 | struct 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) \ | |
56 | struct bin_attribute bat_attr_##_name = { \ | |
57 | .attr = { .name = __stringify(_name), \ | |
58 | .mode = _mode, }, \ | |
59 | .read = _read, \ | |
60 | .write = _write, \ | |
61 | }; | |
62 | ||
208e13e4 ML |
63 | #define HARDIF_ATTR(_name, _mode, _show, _store) \ |
64 | struct hardif_attribute hardif_attr_##_name = { \ | |
65 | .attr = {.name = __stringify(_name), \ | |
66 | .mode = _mode }, \ | |
67 | .show = _show, \ | |
68 | .store = _store, \ | |
69 | }; | |
70 | ||
47fdf097 ML |
71 | static 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", |
47fdf097 ML |
79 | aggr_status == 0 ? "disabled" : "enabled"); |
80 | } | |
81 | ||
82 | static 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 | ||
14741240 ML |
119 | static 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", |
14741240 ML |
127 | vis_mode == VIS_TYPE_CLIENT_UPDATE ? |
128 | "client" : "server", | |
129 | VIS_TYPE_SERVER_SYNC, VIS_TYPE_CLIENT_UPDATE); | |
130 | } | |
131 | ||
132 | static 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 | ||
1d59f82c ML |
172 | static 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 | ||
182 | static 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 | ||
47fdf097 ML |
215 | static BAT_ATTR(aggregate_ogm, S_IRUGO | S_IWUSR, |
216 | show_aggr_ogm, store_aggr_ogm); | |
14741240 | 217 | static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode); |
1d59f82c ML |
218 | static BAT_ATTR(orig_interval, S_IRUGO | S_IWUSR, |
219 | show_orig_interval, store_orig_interval); | |
47fdf097 ML |
220 | |
221 | static struct bat_attribute *mesh_attrs[] = { | |
222 | &bat_attr_aggregate_ogm, | |
14741240 | 223 | &bat_attr_vis_mode, |
1d59f82c | 224 | &bat_attr_orig_interval, |
47fdf097 ML |
225 | NULL, |
226 | }; | |
227 | ||
eb169d1c JMC |
228 | static 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) | |
47fdf097 ML |
231 | { |
232 | struct device *dev = to_dev(kobj->parent); | |
233 | struct net_device *net_dev = to_net_dev(dev); | |
234 | ||
47fdf097 ML |
235 | return hna_local_fill_buffer_text(net_dev, buff, count, off); |
236 | } | |
237 | ||
eb169d1c JMC |
238 | static 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) | |
47fdf097 ML |
241 | { |
242 | struct device *dev = to_dev(kobj->parent); | |
243 | struct net_device *net_dev = to_net_dev(dev); | |
244 | ||
47fdf097 ML |
245 | return hna_global_fill_buffer_text(net_dev, buff, count, off); |
246 | } | |
247 | ||
eb169d1c JMC |
248 | static 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 | { |
47fdf097 ML |
252 | struct device *dev = to_dev(kobj->parent); |
253 | struct net_device *net_dev = to_net_dev(dev); | |
254 | ||
14741240 ML |
255 | return orig_fill_buffer_text(net_dev, buff, count, off); |
256 | } | |
47fdf097 | 257 | |
eb169d1c JMC |
258 | static 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) | |
14741240 ML |
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); |
47fdf097 ML |
266 | } |
267 | ||
268 | static BAT_BIN_ATTR(transtable_local, S_IRUGO, transtable_local_read, NULL); | |
269 | static BAT_BIN_ATTR(transtable_global, S_IRUGO, transtable_global_read, NULL); | |
270 | static BAT_BIN_ATTR(originators, S_IRUGO, originators_read, NULL); | |
14741240 | 271 | static BAT_BIN_ATTR(vis_data, S_IRUGO, vis_data_read, NULL); |
47fdf097 ML |
272 | |
273 | static 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, |
47fdf097 ML |
278 | NULL, |
279 | }; | |
280 | ||
281 | int 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); |
208e13e4 ML |
294 | bat_priv->primary_if = NULL; |
295 | bat_priv->num_ifaces = 0; | |
47fdf097 ML |
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 | ||
328 | rem_bin_attr: | |
329 | for (bin_attr = mesh_bin_attrs; *bin_attr; ++bin_attr) | |
330 | sysfs_remove_bin_file(bat_priv->mesh_obj, (*bin_attr)); | |
331 | rem_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; | |
337 | out: | |
338 | return -ENOMEM; | |
339 | } | |
340 | ||
341 | void 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 | } | |
208e13e4 ML |
356 | |
357 | static 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 ML |
368 | batman_if->if_status == IF_NOT_IN_USE ? |
369 | "none" : "bat0"); | |
370 | } | |
371 | ||
372 | static 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 | ||
411 | static 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 | ||
436 | static HARDIF_ATTR(mesh_iface, S_IRUGO | S_IWUSR, | |
437 | show_mesh_iface, store_mesh_iface); | |
438 | static HARDIF_ATTR(iface_status, S_IRUGO, show_iface_status, NULL); | |
439 | ||
440 | static struct hardif_attribute *batman_attrs[] = { | |
441 | &hardif_attr_mesh_iface, | |
442 | &hardif_attr_iface_status, | |
443 | NULL, | |
444 | }; | |
445 | ||
446 | int 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 | ||
473 | rem_attr: | |
474 | for (hardif_attr = batman_attrs; *hardif_attr; ++hardif_attr) | |
475 | sysfs_remove_file(*hardif_obj, &((*hardif_attr)->attr)); | |
476 | out: | |
477 | return -ENOMEM; | |
478 | } | |
479 | ||
480 | void sysfs_del_hardif(struct kobject **hardif_obj) | |
481 | { | |
482 | kobject_put(*hardif_obj); | |
483 | *hardif_obj = NULL; | |
484 | } |