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c6c8fea2 | 1 | /* |
64afe353 | 2 | * Copyright (C) 2010-2011 B.A.T.M.A.N. contributors: |
c6c8fea2 SE |
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 "gateway_common.h" | |
28 | #include "gateway_client.h" | |
29 | #include "vis.h" | |
30 | ||
31 | #define to_dev(obj) container_of(obj, struct device, kobj) | |
32 | #define kobj_to_netdev(obj) to_net_dev(to_dev(obj->parent)) | |
33 | #define kobj_to_batpriv(obj) netdev_priv(kobj_to_netdev(obj)) | |
34 | ||
35 | /* Use this, if you have customized show and store functions */ | |
36 | #define BAT_ATTR(_name, _mode, _show, _store) \ | |
37 | struct bat_attribute bat_attr_##_name = { \ | |
38 | .attr = {.name = __stringify(_name), \ | |
39 | .mode = _mode }, \ | |
40 | .show = _show, \ | |
41 | .store = _store, \ | |
42 | }; | |
43 | ||
44 | #define BAT_ATTR_STORE_BOOL(_name, _post_func) \ | |
45 | ssize_t store_##_name(struct kobject *kobj, struct attribute *attr, \ | |
46 | char *buff, size_t count) \ | |
47 | { \ | |
48 | struct net_device *net_dev = kobj_to_netdev(kobj); \ | |
49 | struct bat_priv *bat_priv = netdev_priv(net_dev); \ | |
50 | return __store_bool_attr(buff, count, _post_func, attr, \ | |
51 | &bat_priv->_name, net_dev); \ | |
52 | } | |
53 | ||
54 | #define BAT_ATTR_SHOW_BOOL(_name) \ | |
55 | ssize_t show_##_name(struct kobject *kobj, struct attribute *attr, \ | |
56 | char *buff) \ | |
57 | { \ | |
58 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); \ | |
59 | return sprintf(buff, "%s\n", \ | |
60 | atomic_read(&bat_priv->_name) == 0 ? \ | |
61 | "disabled" : "enabled"); \ | |
62 | } \ | |
63 | ||
64 | /* Use this, if you are going to turn a [name] in bat_priv on or off */ | |
65 | #define BAT_ATTR_BOOL(_name, _mode, _post_func) \ | |
66 | static BAT_ATTR_STORE_BOOL(_name, _post_func) \ | |
67 | static BAT_ATTR_SHOW_BOOL(_name) \ | |
68 | static BAT_ATTR(_name, _mode, show_##_name, store_##_name) | |
69 | ||
70 | ||
71 | #define BAT_ATTR_STORE_UINT(_name, _min, _max, _post_func) \ | |
72 | ssize_t store_##_name(struct kobject *kobj, struct attribute *attr, \ | |
73 | char *buff, size_t count) \ | |
74 | { \ | |
75 | struct net_device *net_dev = kobj_to_netdev(kobj); \ | |
76 | struct bat_priv *bat_priv = netdev_priv(net_dev); \ | |
77 | return __store_uint_attr(buff, count, _min, _max, _post_func, \ | |
78 | attr, &bat_priv->_name, net_dev); \ | |
79 | } | |
80 | ||
81 | #define BAT_ATTR_SHOW_UINT(_name) \ | |
82 | ssize_t show_##_name(struct kobject *kobj, struct attribute *attr, \ | |
83 | char *buff) \ | |
84 | { \ | |
85 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); \ | |
86 | return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \ | |
87 | } \ | |
88 | ||
89 | /* Use this, if you are going to set [name] in bat_priv to unsigned integer | |
90 | * values only */ | |
91 | #define BAT_ATTR_UINT(_name, _mode, _min, _max, _post_func) \ | |
92 | static BAT_ATTR_STORE_UINT(_name, _min, _max, _post_func) \ | |
93 | static BAT_ATTR_SHOW_UINT(_name) \ | |
94 | static BAT_ATTR(_name, _mode, show_##_name, store_##_name) | |
95 | ||
96 | ||
97 | static int store_bool_attr(char *buff, size_t count, | |
98 | struct net_device *net_dev, | |
99 | char *attr_name, atomic_t *attr) | |
100 | { | |
101 | int enabled = -1; | |
102 | ||
103 | if (buff[count - 1] == '\n') | |
104 | buff[count - 1] = '\0'; | |
105 | ||
106 | if ((strncmp(buff, "1", 2) == 0) || | |
107 | (strncmp(buff, "enable", 7) == 0) || | |
108 | (strncmp(buff, "enabled", 8) == 0)) | |
109 | enabled = 1; | |
110 | ||
111 | if ((strncmp(buff, "0", 2) == 0) || | |
112 | (strncmp(buff, "disable", 8) == 0) || | |
113 | (strncmp(buff, "disabled", 9) == 0)) | |
114 | enabled = 0; | |
115 | ||
116 | if (enabled < 0) { | |
117 | bat_info(net_dev, | |
118 | "%s: Invalid parameter received: %s\n", | |
119 | attr_name, buff); | |
120 | return -EINVAL; | |
121 | } | |
122 | ||
123 | if (atomic_read(attr) == enabled) | |
124 | return count; | |
125 | ||
126 | bat_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name, | |
127 | atomic_read(attr) == 1 ? "enabled" : "disabled", | |
128 | enabled == 1 ? "enabled" : "disabled"); | |
129 | ||
130 | atomic_set(attr, (unsigned)enabled); | |
131 | return count; | |
132 | } | |
133 | ||
134 | static inline ssize_t __store_bool_attr(char *buff, size_t count, | |
135 | void (*post_func)(struct net_device *), | |
136 | struct attribute *attr, | |
137 | atomic_t *attr_store, struct net_device *net_dev) | |
138 | { | |
139 | int ret; | |
140 | ||
141 | ret = store_bool_attr(buff, count, net_dev, (char *)attr->name, | |
142 | attr_store); | |
143 | if (post_func && ret) | |
144 | post_func(net_dev); | |
145 | ||
146 | return ret; | |
147 | } | |
148 | ||
149 | static int store_uint_attr(char *buff, size_t count, | |
150 | struct net_device *net_dev, char *attr_name, | |
151 | unsigned int min, unsigned int max, atomic_t *attr) | |
152 | { | |
153 | unsigned long uint_val; | |
154 | int ret; | |
155 | ||
156 | ret = strict_strtoul(buff, 10, &uint_val); | |
157 | if (ret) { | |
158 | bat_info(net_dev, | |
159 | "%s: Invalid parameter received: %s\n", | |
160 | attr_name, buff); | |
161 | return -EINVAL; | |
162 | } | |
163 | ||
164 | if (uint_val < min) { | |
165 | bat_info(net_dev, "%s: Value is too small: %lu min: %u\n", | |
166 | attr_name, uint_val, min); | |
167 | return -EINVAL; | |
168 | } | |
169 | ||
170 | if (uint_val > max) { | |
171 | bat_info(net_dev, "%s: Value is too big: %lu max: %u\n", | |
172 | attr_name, uint_val, max); | |
173 | return -EINVAL; | |
174 | } | |
175 | ||
176 | if (atomic_read(attr) == uint_val) | |
177 | return count; | |
178 | ||
179 | bat_info(net_dev, "%s: Changing from: %i to: %lu\n", | |
180 | attr_name, atomic_read(attr), uint_val); | |
181 | ||
182 | atomic_set(attr, uint_val); | |
183 | return count; | |
184 | } | |
185 | ||
186 | static inline ssize_t __store_uint_attr(char *buff, size_t count, | |
187 | int min, int max, | |
188 | void (*post_func)(struct net_device *), | |
189 | struct attribute *attr, | |
190 | atomic_t *attr_store, struct net_device *net_dev) | |
191 | { | |
192 | int ret; | |
193 | ||
194 | ret = store_uint_attr(buff, count, net_dev, (char *)attr->name, | |
195 | min, max, attr_store); | |
196 | if (post_func && ret) | |
197 | post_func(net_dev); | |
198 | ||
199 | return ret; | |
200 | } | |
201 | ||
202 | static ssize_t show_vis_mode(struct kobject *kobj, struct attribute *attr, | |
203 | char *buff) | |
204 | { | |
205 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); | |
206 | int vis_mode = atomic_read(&bat_priv->vis_mode); | |
207 | ||
208 | return sprintf(buff, "%s\n", | |
209 | vis_mode == VIS_TYPE_CLIENT_UPDATE ? | |
210 | "client" : "server"); | |
211 | } | |
212 | ||
213 | static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr, | |
214 | char *buff, size_t count) | |
215 | { | |
216 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
217 | struct bat_priv *bat_priv = netdev_priv(net_dev); | |
218 | unsigned long val; | |
219 | int ret, vis_mode_tmp = -1; | |
220 | ||
221 | ret = strict_strtoul(buff, 10, &val); | |
222 | ||
223 | if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) || | |
224 | (strncmp(buff, "client", 6) == 0) || | |
225 | (strncmp(buff, "off", 3) == 0)) | |
226 | vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE; | |
227 | ||
228 | if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) || | |
229 | (strncmp(buff, "server", 6) == 0)) | |
230 | vis_mode_tmp = VIS_TYPE_SERVER_SYNC; | |
231 | ||
232 | if (vis_mode_tmp < 0) { | |
233 | if (buff[count - 1] == '\n') | |
234 | buff[count - 1] = '\0'; | |
235 | ||
236 | bat_info(net_dev, | |
237 | "Invalid parameter for 'vis mode' setting received: " | |
238 | "%s\n", buff); | |
239 | return -EINVAL; | |
240 | } | |
241 | ||
242 | if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp) | |
243 | return count; | |
244 | ||
245 | bat_info(net_dev, "Changing vis mode from: %s to: %s\n", | |
246 | atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE ? | |
247 | "client" : "server", vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE ? | |
248 | "client" : "server"); | |
249 | ||
250 | atomic_set(&bat_priv->vis_mode, (unsigned)vis_mode_tmp); | |
251 | return count; | |
252 | } | |
253 | ||
254 | static void post_gw_deselect(struct net_device *net_dev) | |
255 | { | |
256 | struct bat_priv *bat_priv = netdev_priv(net_dev); | |
257 | gw_deselect(bat_priv); | |
258 | } | |
259 | ||
260 | static ssize_t show_gw_mode(struct kobject *kobj, struct attribute *attr, | |
261 | char *buff) | |
262 | { | |
263 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); | |
264 | int bytes_written; | |
265 | ||
266 | switch (atomic_read(&bat_priv->gw_mode)) { | |
267 | case GW_MODE_CLIENT: | |
268 | bytes_written = sprintf(buff, "%s\n", GW_MODE_CLIENT_NAME); | |
269 | break; | |
270 | case GW_MODE_SERVER: | |
271 | bytes_written = sprintf(buff, "%s\n", GW_MODE_SERVER_NAME); | |
272 | break; | |
273 | default: | |
274 | bytes_written = sprintf(buff, "%s\n", GW_MODE_OFF_NAME); | |
275 | break; | |
276 | } | |
277 | ||
278 | return bytes_written; | |
279 | } | |
280 | ||
281 | static ssize_t store_gw_mode(struct kobject *kobj, struct attribute *attr, | |
282 | char *buff, size_t count) | |
283 | { | |
284 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
285 | struct bat_priv *bat_priv = netdev_priv(net_dev); | |
286 | char *curr_gw_mode_str; | |
287 | int gw_mode_tmp = -1; | |
288 | ||
289 | if (buff[count - 1] == '\n') | |
290 | buff[count - 1] = '\0'; | |
291 | ||
292 | if (strncmp(buff, GW_MODE_OFF_NAME, strlen(GW_MODE_OFF_NAME)) == 0) | |
293 | gw_mode_tmp = GW_MODE_OFF; | |
294 | ||
295 | if (strncmp(buff, GW_MODE_CLIENT_NAME, | |
296 | strlen(GW_MODE_CLIENT_NAME)) == 0) | |
297 | gw_mode_tmp = GW_MODE_CLIENT; | |
298 | ||
299 | if (strncmp(buff, GW_MODE_SERVER_NAME, | |
300 | strlen(GW_MODE_SERVER_NAME)) == 0) | |
301 | gw_mode_tmp = GW_MODE_SERVER; | |
302 | ||
303 | if (gw_mode_tmp < 0) { | |
304 | bat_info(net_dev, | |
305 | "Invalid parameter for 'gw mode' setting received: " | |
306 | "%s\n", buff); | |
307 | return -EINVAL; | |
308 | } | |
309 | ||
310 | if (atomic_read(&bat_priv->gw_mode) == gw_mode_tmp) | |
311 | return count; | |
312 | ||
313 | switch (atomic_read(&bat_priv->gw_mode)) { | |
314 | case GW_MODE_CLIENT: | |
315 | curr_gw_mode_str = GW_MODE_CLIENT_NAME; | |
316 | break; | |
317 | case GW_MODE_SERVER: | |
318 | curr_gw_mode_str = GW_MODE_SERVER_NAME; | |
319 | break; | |
320 | default: | |
321 | curr_gw_mode_str = GW_MODE_OFF_NAME; | |
322 | break; | |
323 | } | |
324 | ||
325 | bat_info(net_dev, "Changing gw mode from: %s to: %s\n", | |
326 | curr_gw_mode_str, buff); | |
327 | ||
328 | gw_deselect(bat_priv); | |
329 | atomic_set(&bat_priv->gw_mode, (unsigned)gw_mode_tmp); | |
330 | return count; | |
331 | } | |
332 | ||
333 | static ssize_t show_gw_bwidth(struct kobject *kobj, struct attribute *attr, | |
334 | char *buff) | |
335 | { | |
336 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); | |
337 | int down, up; | |
338 | int gw_bandwidth = atomic_read(&bat_priv->gw_bandwidth); | |
339 | ||
340 | gw_bandwidth_to_kbit(gw_bandwidth, &down, &up); | |
341 | return sprintf(buff, "%i%s/%i%s\n", | |
342 | (down > 2048 ? down / 1024 : down), | |
343 | (down > 2048 ? "MBit" : "KBit"), | |
344 | (up > 2048 ? up / 1024 : up), | |
345 | (up > 2048 ? "MBit" : "KBit")); | |
346 | } | |
347 | ||
348 | static ssize_t store_gw_bwidth(struct kobject *kobj, struct attribute *attr, | |
349 | char *buff, size_t count) | |
350 | { | |
351 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
352 | ||
353 | if (buff[count - 1] == '\n') | |
354 | buff[count - 1] = '\0'; | |
355 | ||
356 | return gw_bandwidth_set(net_dev, buff, count); | |
357 | } | |
358 | ||
359 | BAT_ATTR_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL); | |
360 | BAT_ATTR_BOOL(bonding, S_IRUGO | S_IWUSR, NULL); | |
361 | BAT_ATTR_BOOL(fragmentation, S_IRUGO | S_IWUSR, update_min_mtu); | |
362 | static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode); | |
363 | static BAT_ATTR(gw_mode, S_IRUGO | S_IWUSR, show_gw_mode, store_gw_mode); | |
364 | BAT_ATTR_UINT(orig_interval, S_IRUGO | S_IWUSR, 2 * JITTER, INT_MAX, NULL); | |
365 | BAT_ATTR_UINT(hop_penalty, S_IRUGO | S_IWUSR, 0, TQ_MAX_VALUE, NULL); | |
366 | BAT_ATTR_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, TQ_MAX_VALUE, | |
367 | post_gw_deselect); | |
368 | static BAT_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, show_gw_bwidth, | |
369 | store_gw_bwidth); | |
370 | #ifdef CONFIG_BATMAN_ADV_DEBUG | |
371 | BAT_ATTR_UINT(log_level, S_IRUGO | S_IWUSR, 0, 3, NULL); | |
372 | #endif | |
373 | ||
374 | static struct bat_attribute *mesh_attrs[] = { | |
375 | &bat_attr_aggregated_ogms, | |
376 | &bat_attr_bonding, | |
377 | &bat_attr_fragmentation, | |
378 | &bat_attr_vis_mode, | |
379 | &bat_attr_gw_mode, | |
380 | &bat_attr_orig_interval, | |
381 | &bat_attr_hop_penalty, | |
382 | &bat_attr_gw_sel_class, | |
383 | &bat_attr_gw_bandwidth, | |
384 | #ifdef CONFIG_BATMAN_ADV_DEBUG | |
385 | &bat_attr_log_level, | |
386 | #endif | |
387 | NULL, | |
388 | }; | |
389 | ||
390 | int sysfs_add_meshif(struct net_device *dev) | |
391 | { | |
392 | struct kobject *batif_kobject = &dev->dev.kobj; | |
393 | struct bat_priv *bat_priv = netdev_priv(dev); | |
394 | struct bat_attribute **bat_attr; | |
395 | int err; | |
396 | ||
397 | bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR, | |
398 | batif_kobject); | |
399 | if (!bat_priv->mesh_obj) { | |
400 | bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, | |
401 | SYSFS_IF_MESH_SUBDIR); | |
402 | goto out; | |
403 | } | |
404 | ||
405 | for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) { | |
406 | err = sysfs_create_file(bat_priv->mesh_obj, | |
407 | &((*bat_attr)->attr)); | |
408 | if (err) { | |
409 | bat_err(dev, "Can't add sysfs file: %s/%s/%s\n", | |
410 | dev->name, SYSFS_IF_MESH_SUBDIR, | |
411 | ((*bat_attr)->attr).name); | |
412 | goto rem_attr; | |
413 | } | |
414 | } | |
415 | ||
416 | return 0; | |
417 | ||
418 | rem_attr: | |
419 | for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) | |
420 | sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); | |
421 | ||
422 | kobject_put(bat_priv->mesh_obj); | |
423 | bat_priv->mesh_obj = NULL; | |
424 | out: | |
425 | return -ENOMEM; | |
426 | } | |
427 | ||
428 | void sysfs_del_meshif(struct net_device *dev) | |
429 | { | |
430 | struct bat_priv *bat_priv = netdev_priv(dev); | |
431 | struct bat_attribute **bat_attr; | |
432 | ||
433 | for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) | |
434 | sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); | |
435 | ||
436 | kobject_put(bat_priv->mesh_obj); | |
437 | bat_priv->mesh_obj = NULL; | |
438 | } | |
439 | ||
440 | static ssize_t show_mesh_iface(struct kobject *kobj, struct attribute *attr, | |
441 | char *buff) | |
442 | { | |
443 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
e6c10f43 | 444 | struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); |
c6c8fea2 SE |
445 | ssize_t length; |
446 | ||
e6c10f43 | 447 | if (!hard_iface) |
c6c8fea2 SE |
448 | return 0; |
449 | ||
e6c10f43 ML |
450 | length = sprintf(buff, "%s\n", hard_iface->if_status == IF_NOT_IN_USE ? |
451 | "none" : hard_iface->soft_iface->name); | |
c6c8fea2 | 452 | |
e6c10f43 | 453 | hardif_free_ref(hard_iface); |
c6c8fea2 SE |
454 | |
455 | return length; | |
456 | } | |
457 | ||
458 | static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr, | |
459 | char *buff, size_t count) | |
460 | { | |
461 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
e6c10f43 | 462 | struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); |
c6c8fea2 | 463 | int status_tmp = -1; |
ed75ccbe | 464 | int ret = count; |
c6c8fea2 | 465 | |
e6c10f43 | 466 | if (!hard_iface) |
c6c8fea2 SE |
467 | return count; |
468 | ||
469 | if (buff[count - 1] == '\n') | |
470 | buff[count - 1] = '\0'; | |
471 | ||
472 | if (strlen(buff) >= IFNAMSIZ) { | |
473 | pr_err("Invalid parameter for 'mesh_iface' setting received: " | |
474 | "interface name too long '%s'\n", buff); | |
e6c10f43 | 475 | hardif_free_ref(hard_iface); |
c6c8fea2 SE |
476 | return -EINVAL; |
477 | } | |
478 | ||
479 | if (strncmp(buff, "none", 4) == 0) | |
480 | status_tmp = IF_NOT_IN_USE; | |
481 | else | |
482 | status_tmp = IF_I_WANT_YOU; | |
483 | ||
e6c10f43 ML |
484 | if (hard_iface->if_status == status_tmp) |
485 | goto out; | |
486 | ||
487 | if ((hard_iface->soft_iface) && | |
488 | (strncmp(hard_iface->soft_iface->name, buff, IFNAMSIZ) == 0)) | |
ed75ccbe | 489 | goto out; |
c6c8fea2 | 490 | |
3a4375a9 SE |
491 | if (!rtnl_trylock()) { |
492 | ret = -ERESTARTSYS; | |
493 | goto out; | |
494 | } | |
495 | ||
c6c8fea2 | 496 | if (status_tmp == IF_NOT_IN_USE) { |
e6c10f43 | 497 | hardif_disable_interface(hard_iface); |
3a4375a9 | 498 | goto unlock; |
c6c8fea2 SE |
499 | } |
500 | ||
501 | /* if the interface already is in use */ | |
3a4375a9 | 502 | if (hard_iface->if_status != IF_NOT_IN_USE) |
e6c10f43 | 503 | hardif_disable_interface(hard_iface); |
c6c8fea2 | 504 | |
e6c10f43 | 505 | ret = hardif_enable_interface(hard_iface, buff); |
c6c8fea2 | 506 | |
3a4375a9 SE |
507 | unlock: |
508 | rtnl_unlock(); | |
ed75ccbe | 509 | out: |
e6c10f43 | 510 | hardif_free_ref(hard_iface); |
c6c8fea2 SE |
511 | return ret; |
512 | } | |
513 | ||
514 | static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr, | |
515 | char *buff) | |
516 | { | |
517 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
e6c10f43 | 518 | struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); |
c6c8fea2 SE |
519 | ssize_t length; |
520 | ||
e6c10f43 | 521 | if (!hard_iface) |
c6c8fea2 SE |
522 | return 0; |
523 | ||
e6c10f43 | 524 | switch (hard_iface->if_status) { |
c6c8fea2 SE |
525 | case IF_TO_BE_REMOVED: |
526 | length = sprintf(buff, "disabling\n"); | |
527 | break; | |
528 | case IF_INACTIVE: | |
529 | length = sprintf(buff, "inactive\n"); | |
530 | break; | |
531 | case IF_ACTIVE: | |
532 | length = sprintf(buff, "active\n"); | |
533 | break; | |
534 | case IF_TO_BE_ACTIVATED: | |
535 | length = sprintf(buff, "enabling\n"); | |
536 | break; | |
537 | case IF_NOT_IN_USE: | |
538 | default: | |
539 | length = sprintf(buff, "not in use\n"); | |
540 | break; | |
541 | } | |
542 | ||
e6c10f43 | 543 | hardif_free_ref(hard_iface); |
c6c8fea2 SE |
544 | |
545 | return length; | |
546 | } | |
547 | ||
548 | static BAT_ATTR(mesh_iface, S_IRUGO | S_IWUSR, | |
549 | show_mesh_iface, store_mesh_iface); | |
550 | static BAT_ATTR(iface_status, S_IRUGO, show_iface_status, NULL); | |
551 | ||
552 | static struct bat_attribute *batman_attrs[] = { | |
553 | &bat_attr_mesh_iface, | |
554 | &bat_attr_iface_status, | |
555 | NULL, | |
556 | }; | |
557 | ||
558 | int sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev) | |
559 | { | |
560 | struct kobject *hardif_kobject = &dev->dev.kobj; | |
561 | struct bat_attribute **bat_attr; | |
562 | int err; | |
563 | ||
564 | *hardif_obj = kobject_create_and_add(SYSFS_IF_BAT_SUBDIR, | |
565 | hardif_kobject); | |
566 | ||
567 | if (!*hardif_obj) { | |
568 | bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, | |
569 | SYSFS_IF_BAT_SUBDIR); | |
570 | goto out; | |
571 | } | |
572 | ||
573 | for (bat_attr = batman_attrs; *bat_attr; ++bat_attr) { | |
574 | err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr)); | |
575 | if (err) { | |
576 | bat_err(dev, "Can't add sysfs file: %s/%s/%s\n", | |
577 | dev->name, SYSFS_IF_BAT_SUBDIR, | |
578 | ((*bat_attr)->attr).name); | |
579 | goto rem_attr; | |
580 | } | |
581 | } | |
582 | ||
583 | return 0; | |
584 | ||
585 | rem_attr: | |
586 | for (bat_attr = batman_attrs; *bat_attr; ++bat_attr) | |
587 | sysfs_remove_file(*hardif_obj, &((*bat_attr)->attr)); | |
588 | out: | |
589 | return -ENOMEM; | |
590 | } | |
591 | ||
592 | void sysfs_del_hardif(struct kobject **hardif_obj) | |
593 | { | |
594 | kobject_put(*hardif_obj); | |
595 | *hardif_obj = NULL; | |
596 | } |