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c6c8fea2 | 1 | /* |
567db7b0 | 2 | * Copyright (C) 2010-2012 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 | ||
3d222bba SE |
31 | static struct net_device *kobj_to_netdev(struct kobject *obj) |
32 | { | |
33 | struct device *dev = container_of(obj->parent, struct device, kobj); | |
34 | return to_net_dev(dev); | |
35 | } | |
36 | ||
37 | static struct bat_priv *kobj_to_batpriv(struct kobject *obj) | |
38 | { | |
39 | struct net_device *net_dev = kobj_to_netdev(obj); | |
40 | return netdev_priv(net_dev); | |
41 | } | |
c6c8fea2 | 42 | |
c6bda689 AQ |
43 | #define UEV_TYPE_VAR "BATTYPE=" |
44 | #define UEV_ACTION_VAR "BATACTION=" | |
45 | #define UEV_DATA_VAR "BATDATA=" | |
46 | ||
47 | static char *uev_action_str[] = { | |
48 | "add", | |
49 | "del", | |
50 | "change" | |
51 | }; | |
52 | ||
53 | static char *uev_type_str[] = { | |
54 | "gw" | |
55 | }; | |
56 | ||
c6c8fea2 SE |
57 | /* Use this, if you have customized show and store functions */ |
58 | #define BAT_ATTR(_name, _mode, _show, _store) \ | |
59 | struct bat_attribute bat_attr_##_name = { \ | |
60 | .attr = {.name = __stringify(_name), \ | |
61 | .mode = _mode }, \ | |
62 | .show = _show, \ | |
63 | .store = _store, \ | |
64 | }; | |
65 | ||
f245c38b | 66 | #define BAT_ATTR_SIF_STORE_BOOL(_name, _post_func) \ |
c6c8fea2 SE |
67 | ssize_t store_##_name(struct kobject *kobj, struct attribute *attr, \ |
68 | char *buff, size_t count) \ | |
69 | { \ | |
70 | struct net_device *net_dev = kobj_to_netdev(kobj); \ | |
71 | struct bat_priv *bat_priv = netdev_priv(net_dev); \ | |
72 | return __store_bool_attr(buff, count, _post_func, attr, \ | |
73 | &bat_priv->_name, net_dev); \ | |
74 | } | |
75 | ||
f245c38b ML |
76 | #define BAT_ATTR_SIF_SHOW_BOOL(_name) \ |
77 | ssize_t show_##_name(struct kobject *kobj, \ | |
78 | struct attribute *attr, char *buff) \ | |
c6c8fea2 SE |
79 | { \ |
80 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); \ | |
81 | return sprintf(buff, "%s\n", \ | |
82 | atomic_read(&bat_priv->_name) == 0 ? \ | |
83 | "disabled" : "enabled"); \ | |
84 | } \ | |
85 | ||
f245c38b ML |
86 | /* Use this, if you are going to turn a [name] in the soft-interface |
87 | * (bat_priv) on or off */ | |
88 | #define BAT_ATTR_SIF_BOOL(_name, _mode, _post_func) \ | |
89 | static BAT_ATTR_SIF_STORE_BOOL(_name, _post_func) \ | |
90 | static BAT_ATTR_SIF_SHOW_BOOL(_name) \ | |
c6c8fea2 SE |
91 | static BAT_ATTR(_name, _mode, show_##_name, store_##_name) |
92 | ||
93 | ||
f245c38b | 94 | #define BAT_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \ |
c6c8fea2 | 95 | ssize_t store_##_name(struct kobject *kobj, struct attribute *attr, \ |
f245c38b | 96 | char *buff, size_t count) \ |
c6c8fea2 SE |
97 | { \ |
98 | struct net_device *net_dev = kobj_to_netdev(kobj); \ | |
99 | struct bat_priv *bat_priv = netdev_priv(net_dev); \ | |
100 | return __store_uint_attr(buff, count, _min, _max, _post_func, \ | |
101 | attr, &bat_priv->_name, net_dev); \ | |
102 | } | |
103 | ||
f245c38b ML |
104 | #define BAT_ATTR_SIF_SHOW_UINT(_name) \ |
105 | ssize_t show_##_name(struct kobject *kobj, \ | |
106 | struct attribute *attr, char *buff) \ | |
c6c8fea2 SE |
107 | { \ |
108 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); \ | |
109 | return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \ | |
110 | } \ | |
111 | ||
f245c38b ML |
112 | /* Use this, if you are going to set [name] in the soft-interface |
113 | * (bat_priv) to an unsigned integer value */ | |
114 | #define BAT_ATTR_SIF_UINT(_name, _mode, _min, _max, _post_func) \ | |
115 | static BAT_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \ | |
116 | static BAT_ATTR_SIF_SHOW_UINT(_name) \ | |
c6c8fea2 SE |
117 | static BAT_ATTR(_name, _mode, show_##_name, store_##_name) |
118 | ||
119 | ||
9d853f62 LL |
120 | #define BAT_ATTR_HIF_STORE_UINT(_name, _min, _max, _post_func) \ |
121 | ssize_t store_##_name(struct kobject *kobj, struct attribute *attr, \ | |
122 | char *buff, size_t count) \ | |
123 | { \ | |
124 | struct net_device *net_dev = kobj_to_netdev(kobj); \ | |
125 | struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); \ | |
126 | ssize_t length; \ | |
127 | \ | |
128 | if (!hard_iface) \ | |
129 | return 0; \ | |
130 | \ | |
131 | length = __store_uint_attr(buff, count, _min, _max, _post_func, \ | |
132 | attr, &hard_iface->_name, net_dev); \ | |
133 | \ | |
134 | hardif_free_ref(hard_iface); \ | |
135 | return length; \ | |
136 | } | |
137 | ||
138 | #define BAT_ATTR_HIF_SHOW_UINT(_name) \ | |
139 | ssize_t show_##_name(struct kobject *kobj, \ | |
140 | struct attribute *attr, char *buff) \ | |
141 | { \ | |
142 | struct net_device *net_dev = kobj_to_netdev(kobj); \ | |
143 | struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); \ | |
144 | ssize_t length; \ | |
145 | \ | |
146 | if (!hard_iface) \ | |
147 | return 0; \ | |
148 | \ | |
149 | length = sprintf(buff, "%i\n", atomic_read(&hard_iface->_name));\ | |
150 | \ | |
151 | hardif_free_ref(hard_iface); \ | |
152 | return length; \ | |
153 | } | |
154 | ||
155 | /* Use this, if you are going to set [name] in hard_iface to an | |
156 | * unsigned integer value*/ | |
157 | #define BAT_ATTR_HIF_UINT(_name, _mode, _min, _max, _post_func) \ | |
158 | static BAT_ATTR_HIF_STORE_UINT(_name, _min, _max, _post_func) \ | |
159 | static BAT_ATTR_HIF_SHOW_UINT(_name) \ | |
160 | static BAT_ATTR(_name, _mode, show_##_name, store_##_name) | |
161 | ||
162 | ||
c6c8fea2 SE |
163 | static int store_bool_attr(char *buff, size_t count, |
164 | struct net_device *net_dev, | |
747e4221 | 165 | const char *attr_name, atomic_t *attr) |
c6c8fea2 SE |
166 | { |
167 | int enabled = -1; | |
168 | ||
169 | if (buff[count - 1] == '\n') | |
170 | buff[count - 1] = '\0'; | |
171 | ||
172 | if ((strncmp(buff, "1", 2) == 0) || | |
173 | (strncmp(buff, "enable", 7) == 0) || | |
174 | (strncmp(buff, "enabled", 8) == 0)) | |
175 | enabled = 1; | |
176 | ||
177 | if ((strncmp(buff, "0", 2) == 0) || | |
178 | (strncmp(buff, "disable", 8) == 0) || | |
179 | (strncmp(buff, "disabled", 9) == 0)) | |
180 | enabled = 0; | |
181 | ||
182 | if (enabled < 0) { | |
183 | bat_info(net_dev, | |
184 | "%s: Invalid parameter received: %s\n", | |
185 | attr_name, buff); | |
186 | return -EINVAL; | |
187 | } | |
188 | ||
189 | if (atomic_read(attr) == enabled) | |
190 | return count; | |
191 | ||
192 | bat_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name, | |
193 | atomic_read(attr) == 1 ? "enabled" : "disabled", | |
194 | enabled == 1 ? "enabled" : "disabled"); | |
195 | ||
95c96174 | 196 | atomic_set(attr, (unsigned int)enabled); |
c6c8fea2 SE |
197 | return count; |
198 | } | |
199 | ||
200 | static inline ssize_t __store_bool_attr(char *buff, size_t count, | |
201 | void (*post_func)(struct net_device *), | |
202 | struct attribute *attr, | |
203 | atomic_t *attr_store, struct net_device *net_dev) | |
204 | { | |
205 | int ret; | |
206 | ||
747e4221 | 207 | ret = store_bool_attr(buff, count, net_dev, attr->name, attr_store); |
c6c8fea2 SE |
208 | if (post_func && ret) |
209 | post_func(net_dev); | |
210 | ||
211 | return ret; | |
212 | } | |
213 | ||
747e4221 SE |
214 | static int store_uint_attr(const char *buff, size_t count, |
215 | struct net_device *net_dev, const char *attr_name, | |
c6c8fea2 SE |
216 | unsigned int min, unsigned int max, atomic_t *attr) |
217 | { | |
218 | unsigned long uint_val; | |
219 | int ret; | |
220 | ||
25a92b13 | 221 | ret = kstrtoul(buff, 10, &uint_val); |
c6c8fea2 SE |
222 | if (ret) { |
223 | bat_info(net_dev, | |
224 | "%s: Invalid parameter received: %s\n", | |
225 | attr_name, buff); | |
226 | return -EINVAL; | |
227 | } | |
228 | ||
229 | if (uint_val < min) { | |
230 | bat_info(net_dev, "%s: Value is too small: %lu min: %u\n", | |
231 | attr_name, uint_val, min); | |
232 | return -EINVAL; | |
233 | } | |
234 | ||
235 | if (uint_val > max) { | |
236 | bat_info(net_dev, "%s: Value is too big: %lu max: %u\n", | |
237 | attr_name, uint_val, max); | |
238 | return -EINVAL; | |
239 | } | |
240 | ||
241 | if (atomic_read(attr) == uint_val) | |
242 | return count; | |
243 | ||
244 | bat_info(net_dev, "%s: Changing from: %i to: %lu\n", | |
245 | attr_name, atomic_read(attr), uint_val); | |
246 | ||
247 | atomic_set(attr, uint_val); | |
248 | return count; | |
249 | } | |
250 | ||
747e4221 | 251 | static inline ssize_t __store_uint_attr(const char *buff, size_t count, |
c6c8fea2 SE |
252 | int min, int max, |
253 | void (*post_func)(struct net_device *), | |
747e4221 | 254 | const struct attribute *attr, |
c6c8fea2 SE |
255 | atomic_t *attr_store, struct net_device *net_dev) |
256 | { | |
257 | int ret; | |
258 | ||
747e4221 | 259 | ret = store_uint_attr(buff, count, net_dev, attr->name, |
c6c8fea2 SE |
260 | min, max, attr_store); |
261 | if (post_func && ret) | |
262 | post_func(net_dev); | |
263 | ||
264 | return ret; | |
265 | } | |
266 | ||
267 | static ssize_t show_vis_mode(struct kobject *kobj, struct attribute *attr, | |
268 | char *buff) | |
269 | { | |
270 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); | |
271 | int vis_mode = atomic_read(&bat_priv->vis_mode); | |
272 | ||
273 | return sprintf(buff, "%s\n", | |
274 | vis_mode == VIS_TYPE_CLIENT_UPDATE ? | |
275 | "client" : "server"); | |
276 | } | |
277 | ||
278 | static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr, | |
279 | char *buff, size_t count) | |
280 | { | |
281 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
282 | struct bat_priv *bat_priv = netdev_priv(net_dev); | |
283 | unsigned long val; | |
284 | int ret, vis_mode_tmp = -1; | |
285 | ||
25a92b13 | 286 | ret = kstrtoul(buff, 10, &val); |
c6c8fea2 SE |
287 | |
288 | if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) || | |
289 | (strncmp(buff, "client", 6) == 0) || | |
290 | (strncmp(buff, "off", 3) == 0)) | |
291 | vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE; | |
292 | ||
293 | if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) || | |
294 | (strncmp(buff, "server", 6) == 0)) | |
295 | vis_mode_tmp = VIS_TYPE_SERVER_SYNC; | |
296 | ||
297 | if (vis_mode_tmp < 0) { | |
298 | if (buff[count - 1] == '\n') | |
299 | buff[count - 1] = '\0'; | |
300 | ||
301 | bat_info(net_dev, | |
86ceb360 SE |
302 | "Invalid parameter for 'vis mode' setting received: %s\n", |
303 | buff); | |
c6c8fea2 SE |
304 | return -EINVAL; |
305 | } | |
306 | ||
307 | if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp) | |
308 | return count; | |
309 | ||
310 | bat_info(net_dev, "Changing vis mode from: %s to: %s\n", | |
311 | atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE ? | |
312 | "client" : "server", vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE ? | |
313 | "client" : "server"); | |
314 | ||
95c96174 | 315 | atomic_set(&bat_priv->vis_mode, (unsigned int)vis_mode_tmp); |
c6c8fea2 SE |
316 | return count; |
317 | } | |
318 | ||
ea3d2fd1 ML |
319 | static ssize_t show_bat_algo(struct kobject *kobj, struct attribute *attr, |
320 | char *buff) | |
321 | { | |
322 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); | |
323 | return sprintf(buff, "%s\n", bat_priv->bat_algo_ops->name); | |
324 | } | |
325 | ||
c6c8fea2 SE |
326 | static void post_gw_deselect(struct net_device *net_dev) |
327 | { | |
328 | struct bat_priv *bat_priv = netdev_priv(net_dev); | |
329 | gw_deselect(bat_priv); | |
330 | } | |
331 | ||
332 | static ssize_t show_gw_mode(struct kobject *kobj, struct attribute *attr, | |
333 | char *buff) | |
334 | { | |
335 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); | |
336 | int bytes_written; | |
337 | ||
338 | switch (atomic_read(&bat_priv->gw_mode)) { | |
339 | case GW_MODE_CLIENT: | |
340 | bytes_written = sprintf(buff, "%s\n", GW_MODE_CLIENT_NAME); | |
341 | break; | |
342 | case GW_MODE_SERVER: | |
343 | bytes_written = sprintf(buff, "%s\n", GW_MODE_SERVER_NAME); | |
344 | break; | |
345 | default: | |
346 | bytes_written = sprintf(buff, "%s\n", GW_MODE_OFF_NAME); | |
347 | break; | |
348 | } | |
349 | ||
350 | return bytes_written; | |
351 | } | |
352 | ||
353 | static ssize_t store_gw_mode(struct kobject *kobj, struct attribute *attr, | |
354 | char *buff, size_t count) | |
355 | { | |
356 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
357 | struct bat_priv *bat_priv = netdev_priv(net_dev); | |
358 | char *curr_gw_mode_str; | |
359 | int gw_mode_tmp = -1; | |
360 | ||
361 | if (buff[count - 1] == '\n') | |
362 | buff[count - 1] = '\0'; | |
363 | ||
364 | if (strncmp(buff, GW_MODE_OFF_NAME, strlen(GW_MODE_OFF_NAME)) == 0) | |
365 | gw_mode_tmp = GW_MODE_OFF; | |
366 | ||
367 | if (strncmp(buff, GW_MODE_CLIENT_NAME, | |
7c64fd98 | 368 | strlen(GW_MODE_CLIENT_NAME)) == 0) |
c6c8fea2 SE |
369 | gw_mode_tmp = GW_MODE_CLIENT; |
370 | ||
371 | if (strncmp(buff, GW_MODE_SERVER_NAME, | |
7c64fd98 | 372 | strlen(GW_MODE_SERVER_NAME)) == 0) |
c6c8fea2 SE |
373 | gw_mode_tmp = GW_MODE_SERVER; |
374 | ||
375 | if (gw_mode_tmp < 0) { | |
376 | bat_info(net_dev, | |
86ceb360 SE |
377 | "Invalid parameter for 'gw mode' setting received: %s\n", |
378 | buff); | |
c6c8fea2 SE |
379 | return -EINVAL; |
380 | } | |
381 | ||
382 | if (atomic_read(&bat_priv->gw_mode) == gw_mode_tmp) | |
383 | return count; | |
384 | ||
385 | switch (atomic_read(&bat_priv->gw_mode)) { | |
386 | case GW_MODE_CLIENT: | |
387 | curr_gw_mode_str = GW_MODE_CLIENT_NAME; | |
388 | break; | |
389 | case GW_MODE_SERVER: | |
390 | curr_gw_mode_str = GW_MODE_SERVER_NAME; | |
391 | break; | |
392 | default: | |
393 | curr_gw_mode_str = GW_MODE_OFF_NAME; | |
394 | break; | |
395 | } | |
396 | ||
397 | bat_info(net_dev, "Changing gw mode from: %s to: %s\n", | |
398 | curr_gw_mode_str, buff); | |
399 | ||
400 | gw_deselect(bat_priv); | |
95c96174 | 401 | atomic_set(&bat_priv->gw_mode, (unsigned int)gw_mode_tmp); |
c6c8fea2 SE |
402 | return count; |
403 | } | |
404 | ||
405 | static ssize_t show_gw_bwidth(struct kobject *kobj, struct attribute *attr, | |
406 | char *buff) | |
407 | { | |
408 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); | |
409 | int down, up; | |
410 | int gw_bandwidth = atomic_read(&bat_priv->gw_bandwidth); | |
411 | ||
412 | gw_bandwidth_to_kbit(gw_bandwidth, &down, &up); | |
413 | return sprintf(buff, "%i%s/%i%s\n", | |
414 | (down > 2048 ? down / 1024 : down), | |
415 | (down > 2048 ? "MBit" : "KBit"), | |
416 | (up > 2048 ? up / 1024 : up), | |
417 | (up > 2048 ? "MBit" : "KBit")); | |
418 | } | |
419 | ||
420 | static ssize_t store_gw_bwidth(struct kobject *kobj, struct attribute *attr, | |
421 | char *buff, size_t count) | |
422 | { | |
423 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
424 | ||
425 | if (buff[count - 1] == '\n') | |
426 | buff[count - 1] = '\0'; | |
427 | ||
428 | return gw_bandwidth_set(net_dev, buff, count); | |
429 | } | |
430 | ||
f245c38b ML |
431 | BAT_ATTR_SIF_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL); |
432 | BAT_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL); | |
7a5cc242 | 433 | #ifdef CONFIG_BATMAN_ADV_BLA |
f245c38b | 434 | BAT_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR, NULL); |
7a5cc242 | 435 | #endif |
f245c38b ML |
436 | BAT_ATTR_SIF_BOOL(fragmentation, S_IRUGO | S_IWUSR, update_min_mtu); |
437 | BAT_ATTR_SIF_BOOL(ap_isolation, S_IRUGO | S_IWUSR, NULL); | |
c6c8fea2 | 438 | static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode); |
ea3d2fd1 | 439 | static BAT_ATTR(routing_algo, S_IRUGO, show_bat_algo, NULL); |
c6c8fea2 | 440 | static BAT_ATTR(gw_mode, S_IRUGO | S_IWUSR, show_gw_mode, store_gw_mode); |
f245c38b ML |
441 | BAT_ATTR_SIF_UINT(orig_interval, S_IRUGO | S_IWUSR, 2 * JITTER, INT_MAX, NULL); |
442 | BAT_ATTR_SIF_UINT(hop_penalty, S_IRUGO | S_IWUSR, 0, TQ_MAX_VALUE, NULL); | |
443 | BAT_ATTR_SIF_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, TQ_MAX_VALUE, | |
444 | post_gw_deselect); | |
c6c8fea2 SE |
445 | static BAT_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, show_gw_bwidth, |
446 | store_gw_bwidth); | |
447 | #ifdef CONFIG_BATMAN_ADV_DEBUG | |
ef3a4093 | 448 | BAT_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, DBG_ALL, NULL); |
c6c8fea2 SE |
449 | #endif |
450 | ||
451 | static struct bat_attribute *mesh_attrs[] = { | |
452 | &bat_attr_aggregated_ogms, | |
453 | &bat_attr_bonding, | |
7a5cc242 | 454 | #ifdef CONFIG_BATMAN_ADV_BLA |
c8673055 | 455 | &bat_attr_bridge_loop_avoidance, |
7a5cc242 | 456 | #endif |
c6c8fea2 | 457 | &bat_attr_fragmentation, |
59b699cd | 458 | &bat_attr_ap_isolation, |
c6c8fea2 | 459 | &bat_attr_vis_mode, |
ea3d2fd1 | 460 | &bat_attr_routing_algo, |
c6c8fea2 SE |
461 | &bat_attr_gw_mode, |
462 | &bat_attr_orig_interval, | |
463 | &bat_attr_hop_penalty, | |
464 | &bat_attr_gw_sel_class, | |
465 | &bat_attr_gw_bandwidth, | |
466 | #ifdef CONFIG_BATMAN_ADV_DEBUG | |
467 | &bat_attr_log_level, | |
468 | #endif | |
469 | NULL, | |
470 | }; | |
471 | ||
5853e22c | 472 | int batadv_sysfs_add_meshif(struct net_device *dev) |
c6c8fea2 SE |
473 | { |
474 | struct kobject *batif_kobject = &dev->dev.kobj; | |
475 | struct bat_priv *bat_priv = netdev_priv(dev); | |
476 | struct bat_attribute **bat_attr; | |
477 | int err; | |
478 | ||
479 | bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR, | |
480 | batif_kobject); | |
481 | if (!bat_priv->mesh_obj) { | |
482 | bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, | |
483 | SYSFS_IF_MESH_SUBDIR); | |
484 | goto out; | |
485 | } | |
486 | ||
487 | for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) { | |
488 | err = sysfs_create_file(bat_priv->mesh_obj, | |
489 | &((*bat_attr)->attr)); | |
490 | if (err) { | |
491 | bat_err(dev, "Can't add sysfs file: %s/%s/%s\n", | |
492 | dev->name, SYSFS_IF_MESH_SUBDIR, | |
493 | ((*bat_attr)->attr).name); | |
494 | goto rem_attr; | |
495 | } | |
496 | } | |
497 | ||
498 | return 0; | |
499 | ||
500 | rem_attr: | |
501 | for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) | |
502 | sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); | |
503 | ||
504 | kobject_put(bat_priv->mesh_obj); | |
505 | bat_priv->mesh_obj = NULL; | |
506 | out: | |
507 | return -ENOMEM; | |
508 | } | |
509 | ||
5853e22c | 510 | void batadv_sysfs_del_meshif(struct net_device *dev) |
c6c8fea2 SE |
511 | { |
512 | struct bat_priv *bat_priv = netdev_priv(dev); | |
513 | struct bat_attribute **bat_attr; | |
514 | ||
515 | for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) | |
516 | sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); | |
517 | ||
518 | kobject_put(bat_priv->mesh_obj); | |
519 | bat_priv->mesh_obj = NULL; | |
520 | } | |
521 | ||
522 | static ssize_t show_mesh_iface(struct kobject *kobj, struct attribute *attr, | |
523 | char *buff) | |
524 | { | |
525 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
e6c10f43 | 526 | struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); |
c6c8fea2 SE |
527 | ssize_t length; |
528 | ||
e6c10f43 | 529 | if (!hard_iface) |
c6c8fea2 SE |
530 | return 0; |
531 | ||
e6c10f43 ML |
532 | length = sprintf(buff, "%s\n", hard_iface->if_status == IF_NOT_IN_USE ? |
533 | "none" : hard_iface->soft_iface->name); | |
c6c8fea2 | 534 | |
e6c10f43 | 535 | hardif_free_ref(hard_iface); |
c6c8fea2 SE |
536 | |
537 | return length; | |
538 | } | |
539 | ||
540 | static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr, | |
541 | char *buff, size_t count) | |
542 | { | |
543 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
e6c10f43 | 544 | struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); |
c6c8fea2 | 545 | int status_tmp = -1; |
ed75ccbe | 546 | int ret = count; |
c6c8fea2 | 547 | |
e6c10f43 | 548 | if (!hard_iface) |
c6c8fea2 SE |
549 | return count; |
550 | ||
551 | if (buff[count - 1] == '\n') | |
552 | buff[count - 1] = '\0'; | |
553 | ||
554 | if (strlen(buff) >= IFNAMSIZ) { | |
86ceb360 SE |
555 | pr_err("Invalid parameter for 'mesh_iface' setting received: interface name too long '%s'\n", |
556 | buff); | |
e6c10f43 | 557 | hardif_free_ref(hard_iface); |
c6c8fea2 SE |
558 | return -EINVAL; |
559 | } | |
560 | ||
561 | if (strncmp(buff, "none", 4) == 0) | |
562 | status_tmp = IF_NOT_IN_USE; | |
563 | else | |
564 | status_tmp = IF_I_WANT_YOU; | |
565 | ||
e6c10f43 ML |
566 | if (hard_iface->if_status == status_tmp) |
567 | goto out; | |
568 | ||
569 | if ((hard_iface->soft_iface) && | |
570 | (strncmp(hard_iface->soft_iface->name, buff, IFNAMSIZ) == 0)) | |
ed75ccbe | 571 | goto out; |
c6c8fea2 | 572 | |
3a4375a9 SE |
573 | if (!rtnl_trylock()) { |
574 | ret = -ERESTARTSYS; | |
575 | goto out; | |
576 | } | |
577 | ||
c6c8fea2 | 578 | if (status_tmp == IF_NOT_IN_USE) { |
e6c10f43 | 579 | hardif_disable_interface(hard_iface); |
3a4375a9 | 580 | goto unlock; |
c6c8fea2 SE |
581 | } |
582 | ||
583 | /* if the interface already is in use */ | |
3a4375a9 | 584 | if (hard_iface->if_status != IF_NOT_IN_USE) |
e6c10f43 | 585 | hardif_disable_interface(hard_iface); |
c6c8fea2 | 586 | |
e6c10f43 | 587 | ret = hardif_enable_interface(hard_iface, buff); |
c6c8fea2 | 588 | |
3a4375a9 SE |
589 | unlock: |
590 | rtnl_unlock(); | |
ed75ccbe | 591 | out: |
e6c10f43 | 592 | hardif_free_ref(hard_iface); |
c6c8fea2 SE |
593 | return ret; |
594 | } | |
595 | ||
596 | static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr, | |
597 | char *buff) | |
598 | { | |
599 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
e6c10f43 | 600 | struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); |
c6c8fea2 SE |
601 | ssize_t length; |
602 | ||
e6c10f43 | 603 | if (!hard_iface) |
c6c8fea2 SE |
604 | return 0; |
605 | ||
e6c10f43 | 606 | switch (hard_iface->if_status) { |
c6c8fea2 SE |
607 | case IF_TO_BE_REMOVED: |
608 | length = sprintf(buff, "disabling\n"); | |
609 | break; | |
610 | case IF_INACTIVE: | |
611 | length = sprintf(buff, "inactive\n"); | |
612 | break; | |
613 | case IF_ACTIVE: | |
614 | length = sprintf(buff, "active\n"); | |
615 | break; | |
616 | case IF_TO_BE_ACTIVATED: | |
617 | length = sprintf(buff, "enabling\n"); | |
618 | break; | |
619 | case IF_NOT_IN_USE: | |
620 | default: | |
621 | length = sprintf(buff, "not in use\n"); | |
622 | break; | |
623 | } | |
624 | ||
e6c10f43 | 625 | hardif_free_ref(hard_iface); |
c6c8fea2 SE |
626 | |
627 | return length; | |
628 | } | |
629 | ||
630 | static BAT_ATTR(mesh_iface, S_IRUGO | S_IWUSR, | |
631 | show_mesh_iface, store_mesh_iface); | |
632 | static BAT_ATTR(iface_status, S_IRUGO, show_iface_status, NULL); | |
633 | ||
634 | static struct bat_attribute *batman_attrs[] = { | |
635 | &bat_attr_mesh_iface, | |
636 | &bat_attr_iface_status, | |
637 | NULL, | |
638 | }; | |
639 | ||
5853e22c | 640 | int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev) |
c6c8fea2 SE |
641 | { |
642 | struct kobject *hardif_kobject = &dev->dev.kobj; | |
643 | struct bat_attribute **bat_attr; | |
644 | int err; | |
645 | ||
646 | *hardif_obj = kobject_create_and_add(SYSFS_IF_BAT_SUBDIR, | |
647 | hardif_kobject); | |
648 | ||
649 | if (!*hardif_obj) { | |
650 | bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, | |
651 | SYSFS_IF_BAT_SUBDIR); | |
652 | goto out; | |
653 | } | |
654 | ||
655 | for (bat_attr = batman_attrs; *bat_attr; ++bat_attr) { | |
656 | err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr)); | |
657 | if (err) { | |
658 | bat_err(dev, "Can't add sysfs file: %s/%s/%s\n", | |
659 | dev->name, SYSFS_IF_BAT_SUBDIR, | |
660 | ((*bat_attr)->attr).name); | |
661 | goto rem_attr; | |
662 | } | |
663 | } | |
664 | ||
665 | return 0; | |
666 | ||
667 | rem_attr: | |
668 | for (bat_attr = batman_attrs; *bat_attr; ++bat_attr) | |
669 | sysfs_remove_file(*hardif_obj, &((*bat_attr)->attr)); | |
670 | out: | |
671 | return -ENOMEM; | |
672 | } | |
673 | ||
5853e22c | 674 | void batadv_sysfs_del_hardif(struct kobject **hardif_obj) |
c6c8fea2 SE |
675 | { |
676 | kobject_put(*hardif_obj); | |
677 | *hardif_obj = NULL; | |
678 | } | |
c6bda689 | 679 | |
5853e22c SE |
680 | int batadv_throw_uevent(struct bat_priv *bat_priv, enum uev_type type, |
681 | enum uev_action action, const char *data) | |
c6bda689 | 682 | { |
5346c35e | 683 | int ret = -ENOMEM; |
c6bda689 AQ |
684 | struct hard_iface *primary_if = NULL; |
685 | struct kobject *bat_kobj; | |
686 | char *uevent_env[4] = { NULL, NULL, NULL, NULL }; | |
687 | ||
688 | primary_if = primary_if_get_selected(bat_priv); | |
689 | if (!primary_if) | |
690 | goto out; | |
691 | ||
692 | bat_kobj = &primary_if->soft_iface->dev.kobj; | |
693 | ||
694 | uevent_env[0] = kmalloc(strlen(UEV_TYPE_VAR) + | |
695 | strlen(uev_type_str[type]) + 1, | |
696 | GFP_ATOMIC); | |
697 | if (!uevent_env[0]) | |
698 | goto out; | |
699 | ||
700 | sprintf(uevent_env[0], "%s%s", UEV_TYPE_VAR, uev_type_str[type]); | |
701 | ||
702 | uevent_env[1] = kmalloc(strlen(UEV_ACTION_VAR) + | |
703 | strlen(uev_action_str[action]) + 1, | |
704 | GFP_ATOMIC); | |
705 | if (!uevent_env[1]) | |
706 | goto out; | |
707 | ||
708 | sprintf(uevent_env[1], "%s%s", UEV_ACTION_VAR, uev_action_str[action]); | |
709 | ||
710 | /* If the event is DEL, ignore the data field */ | |
711 | if (action != UEV_DEL) { | |
712 | uevent_env[2] = kmalloc(strlen(UEV_DATA_VAR) + | |
713 | strlen(data) + 1, GFP_ATOMIC); | |
714 | if (!uevent_env[2]) | |
715 | goto out; | |
716 | ||
717 | sprintf(uevent_env[2], "%s%s", UEV_DATA_VAR, data); | |
718 | } | |
719 | ||
720 | ret = kobject_uevent_env(bat_kobj, KOBJ_CHANGE, uevent_env); | |
721 | out: | |
722 | kfree(uevent_env[0]); | |
723 | kfree(uevent_env[1]); | |
724 | kfree(uevent_env[2]); | |
725 | ||
726 | if (primary_if) | |
727 | hardif_free_ref(primary_if); | |
728 | ||
729 | if (ret) | |
86ceb360 SE |
730 | bat_dbg(DBG_BATMAN, bat_priv, |
731 | "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n", | |
c6bda689 AQ |
732 | uev_type_str[type], uev_action_str[action], |
733 | (action == UEV_DEL ? "NULL" : data), ret); | |
734 | return ret; | |
735 | } |