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9cfc7bd6 | 1 | /* Copyright (C) 2010-2012 B.A.T.M.A.N. contributors: |
c6c8fea2 SE |
2 | * |
3 | * Marek Lindner | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of version 2 of the GNU General Public | |
7 | * License as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but | |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
17 | * 02110-1301, USA | |
c6c8fea2 SE |
18 | */ |
19 | ||
20 | #include "main.h" | |
21 | #include "bat_sysfs.h" | |
22 | #include "translation-table.h" | |
23 | #include "originator.h" | |
24 | #include "hard-interface.h" | |
25 | #include "gateway_common.h" | |
26 | #include "gateway_client.h" | |
27 | #include "vis.h" | |
28 | ||
3d222bba SE |
29 | static struct net_device *kobj_to_netdev(struct kobject *obj) |
30 | { | |
31 | struct device *dev = container_of(obj->parent, struct device, kobj); | |
32 | return to_net_dev(dev); | |
33 | } | |
34 | ||
35 | static struct bat_priv *kobj_to_batpriv(struct kobject *obj) | |
36 | { | |
37 | struct net_device *net_dev = kobj_to_netdev(obj); | |
38 | return netdev_priv(net_dev); | |
39 | } | |
c6c8fea2 | 40 | |
c6bda689 AQ |
41 | #define UEV_TYPE_VAR "BATTYPE=" |
42 | #define UEV_ACTION_VAR "BATACTION=" | |
43 | #define UEV_DATA_VAR "BATDATA=" | |
44 | ||
45 | static char *uev_action_str[] = { | |
46 | "add", | |
47 | "del", | |
48 | "change" | |
49 | }; | |
50 | ||
51 | static char *uev_type_str[] = { | |
52 | "gw" | |
53 | }; | |
54 | ||
c6c8fea2 SE |
55 | /* Use this, if you have customized show and store functions */ |
56 | #define BAT_ATTR(_name, _mode, _show, _store) \ | |
57 | struct bat_attribute bat_attr_##_name = { \ | |
58 | .attr = {.name = __stringify(_name), \ | |
59 | .mode = _mode }, \ | |
60 | .show = _show, \ | |
61 | .store = _store, \ | |
62 | }; | |
63 | ||
f245c38b | 64 | #define BAT_ATTR_SIF_STORE_BOOL(_name, _post_func) \ |
c6c8fea2 SE |
65 | ssize_t store_##_name(struct kobject *kobj, struct attribute *attr, \ |
66 | char *buff, size_t count) \ | |
67 | { \ | |
68 | struct net_device *net_dev = kobj_to_netdev(kobj); \ | |
69 | struct bat_priv *bat_priv = netdev_priv(net_dev); \ | |
70 | return __store_bool_attr(buff, count, _post_func, attr, \ | |
71 | &bat_priv->_name, net_dev); \ | |
72 | } | |
73 | ||
f245c38b ML |
74 | #define BAT_ATTR_SIF_SHOW_BOOL(_name) \ |
75 | ssize_t show_##_name(struct kobject *kobj, \ | |
76 | struct attribute *attr, char *buff) \ | |
c6c8fea2 SE |
77 | { \ |
78 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); \ | |
79 | return sprintf(buff, "%s\n", \ | |
80 | atomic_read(&bat_priv->_name) == 0 ? \ | |
81 | "disabled" : "enabled"); \ | |
82 | } \ | |
83 | ||
f245c38b | 84 | /* Use this, if you are going to turn a [name] in the soft-interface |
9cfc7bd6 SE |
85 | * (bat_priv) on or off |
86 | */ | |
f245c38b ML |
87 | #define BAT_ATTR_SIF_BOOL(_name, _mode, _post_func) \ |
88 | static BAT_ATTR_SIF_STORE_BOOL(_name, _post_func) \ | |
89 | static BAT_ATTR_SIF_SHOW_BOOL(_name) \ | |
c6c8fea2 SE |
90 | static BAT_ATTR(_name, _mode, show_##_name, store_##_name) |
91 | ||
92 | ||
f245c38b | 93 | #define BAT_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \ |
c6c8fea2 | 94 | ssize_t store_##_name(struct kobject *kobj, struct attribute *attr, \ |
f245c38b | 95 | char *buff, size_t count) \ |
c6c8fea2 SE |
96 | { \ |
97 | struct net_device *net_dev = kobj_to_netdev(kobj); \ | |
98 | struct bat_priv *bat_priv = netdev_priv(net_dev); \ | |
99 | return __store_uint_attr(buff, count, _min, _max, _post_func, \ | |
100 | attr, &bat_priv->_name, net_dev); \ | |
101 | } | |
102 | ||
f245c38b ML |
103 | #define BAT_ATTR_SIF_SHOW_UINT(_name) \ |
104 | ssize_t show_##_name(struct kobject *kobj, \ | |
105 | struct attribute *attr, char *buff) \ | |
c6c8fea2 SE |
106 | { \ |
107 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); \ | |
108 | return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \ | |
109 | } \ | |
110 | ||
f245c38b | 111 | /* Use this, if you are going to set [name] in the soft-interface |
9cfc7bd6 SE |
112 | * (bat_priv) to an unsigned integer value |
113 | */ | |
f245c38b ML |
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); \ | |
9563877e | 125 | struct hard_iface *hard_iface; \ |
9d853f62 LL |
126 | ssize_t length; \ |
127 | \ | |
9563877e | 128 | hard_iface = batadv_hardif_get_by_netdev(net_dev); \ |
9d853f62 LL |
129 | if (!hard_iface) \ |
130 | return 0; \ | |
131 | \ | |
132 | length = __store_uint_attr(buff, count, _min, _max, _post_func, \ | |
133 | attr, &hard_iface->_name, net_dev); \ | |
134 | \ | |
135 | hardif_free_ref(hard_iface); \ | |
136 | return length; \ | |
137 | } | |
138 | ||
139 | #define BAT_ATTR_HIF_SHOW_UINT(_name) \ | |
140 | ssize_t show_##_name(struct kobject *kobj, \ | |
141 | struct attribute *attr, char *buff) \ | |
142 | { \ | |
143 | struct net_device *net_dev = kobj_to_netdev(kobj); \ | |
9563877e | 144 | struct hard_iface *hard_iface; \ |
9d853f62 LL |
145 | ssize_t length; \ |
146 | \ | |
9563877e | 147 | hard_iface = batadv_hardif_get_by_netdev(net_dev); \ |
9d853f62 LL |
148 | if (!hard_iface) \ |
149 | return 0; \ | |
150 | \ | |
151 | length = sprintf(buff, "%i\n", atomic_read(&hard_iface->_name));\ | |
152 | \ | |
153 | hardif_free_ref(hard_iface); \ | |
154 | return length; \ | |
155 | } | |
156 | ||
157 | /* Use this, if you are going to set [name] in hard_iface to an | |
9cfc7bd6 SE |
158 | * unsigned integer value |
159 | */ | |
9d853f62 LL |
160 | #define BAT_ATTR_HIF_UINT(_name, _mode, _min, _max, _post_func) \ |
161 | static BAT_ATTR_HIF_STORE_UINT(_name, _min, _max, _post_func) \ | |
162 | static BAT_ATTR_HIF_SHOW_UINT(_name) \ | |
163 | static BAT_ATTR(_name, _mode, show_##_name, store_##_name) | |
164 | ||
165 | ||
c6c8fea2 SE |
166 | static int store_bool_attr(char *buff, size_t count, |
167 | struct net_device *net_dev, | |
747e4221 | 168 | const char *attr_name, atomic_t *attr) |
c6c8fea2 SE |
169 | { |
170 | int enabled = -1; | |
171 | ||
172 | if (buff[count - 1] == '\n') | |
173 | buff[count - 1] = '\0'; | |
174 | ||
175 | if ((strncmp(buff, "1", 2) == 0) || | |
176 | (strncmp(buff, "enable", 7) == 0) || | |
177 | (strncmp(buff, "enabled", 8) == 0)) | |
178 | enabled = 1; | |
179 | ||
180 | if ((strncmp(buff, "0", 2) == 0) || | |
181 | (strncmp(buff, "disable", 8) == 0) || | |
182 | (strncmp(buff, "disabled", 9) == 0)) | |
183 | enabled = 0; | |
184 | ||
185 | if (enabled < 0) { | |
186 | bat_info(net_dev, | |
187 | "%s: Invalid parameter received: %s\n", | |
188 | attr_name, buff); | |
189 | return -EINVAL; | |
190 | } | |
191 | ||
192 | if (atomic_read(attr) == enabled) | |
193 | return count; | |
194 | ||
195 | bat_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name, | |
196 | atomic_read(attr) == 1 ? "enabled" : "disabled", | |
197 | enabled == 1 ? "enabled" : "disabled"); | |
198 | ||
95c96174 | 199 | atomic_set(attr, (unsigned int)enabled); |
c6c8fea2 SE |
200 | return count; |
201 | } | |
202 | ||
203 | static inline ssize_t __store_bool_attr(char *buff, size_t count, | |
204 | void (*post_func)(struct net_device *), | |
205 | struct attribute *attr, | |
206 | atomic_t *attr_store, struct net_device *net_dev) | |
207 | { | |
208 | int ret; | |
209 | ||
747e4221 | 210 | ret = store_bool_attr(buff, count, net_dev, attr->name, attr_store); |
c6c8fea2 SE |
211 | if (post_func && ret) |
212 | post_func(net_dev); | |
213 | ||
214 | return ret; | |
215 | } | |
216 | ||
747e4221 SE |
217 | static int store_uint_attr(const char *buff, size_t count, |
218 | struct net_device *net_dev, const char *attr_name, | |
c6c8fea2 SE |
219 | unsigned int min, unsigned int max, atomic_t *attr) |
220 | { | |
221 | unsigned long uint_val; | |
222 | int ret; | |
223 | ||
25a92b13 | 224 | ret = kstrtoul(buff, 10, &uint_val); |
c6c8fea2 SE |
225 | if (ret) { |
226 | bat_info(net_dev, | |
227 | "%s: Invalid parameter received: %s\n", | |
228 | attr_name, buff); | |
229 | return -EINVAL; | |
230 | } | |
231 | ||
232 | if (uint_val < min) { | |
233 | bat_info(net_dev, "%s: Value is too small: %lu min: %u\n", | |
234 | attr_name, uint_val, min); | |
235 | return -EINVAL; | |
236 | } | |
237 | ||
238 | if (uint_val > max) { | |
239 | bat_info(net_dev, "%s: Value is too big: %lu max: %u\n", | |
240 | attr_name, uint_val, max); | |
241 | return -EINVAL; | |
242 | } | |
243 | ||
244 | if (atomic_read(attr) == uint_val) | |
245 | return count; | |
246 | ||
247 | bat_info(net_dev, "%s: Changing from: %i to: %lu\n", | |
248 | attr_name, atomic_read(attr), uint_val); | |
249 | ||
250 | atomic_set(attr, uint_val); | |
251 | return count; | |
252 | } | |
253 | ||
747e4221 | 254 | static inline ssize_t __store_uint_attr(const char *buff, size_t count, |
c6c8fea2 SE |
255 | int min, int max, |
256 | void (*post_func)(struct net_device *), | |
747e4221 | 257 | const struct attribute *attr, |
c6c8fea2 SE |
258 | atomic_t *attr_store, struct net_device *net_dev) |
259 | { | |
260 | int ret; | |
261 | ||
747e4221 | 262 | ret = store_uint_attr(buff, count, net_dev, attr->name, |
c6c8fea2 SE |
263 | min, max, attr_store); |
264 | if (post_func && ret) | |
265 | post_func(net_dev); | |
266 | ||
267 | return ret; | |
268 | } | |
269 | ||
270 | static ssize_t show_vis_mode(struct kobject *kobj, struct attribute *attr, | |
271 | char *buff) | |
272 | { | |
273 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); | |
274 | int vis_mode = atomic_read(&bat_priv->vis_mode); | |
275 | ||
276 | return sprintf(buff, "%s\n", | |
277 | vis_mode == VIS_TYPE_CLIENT_UPDATE ? | |
278 | "client" : "server"); | |
279 | } | |
280 | ||
281 | static ssize_t store_vis_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 | unsigned long val; | |
287 | int ret, vis_mode_tmp = -1; | |
288 | ||
25a92b13 | 289 | ret = kstrtoul(buff, 10, &val); |
c6c8fea2 SE |
290 | |
291 | if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) || | |
292 | (strncmp(buff, "client", 6) == 0) || | |
293 | (strncmp(buff, "off", 3) == 0)) | |
294 | vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE; | |
295 | ||
296 | if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) || | |
297 | (strncmp(buff, "server", 6) == 0)) | |
298 | vis_mode_tmp = VIS_TYPE_SERVER_SYNC; | |
299 | ||
300 | if (vis_mode_tmp < 0) { | |
301 | if (buff[count - 1] == '\n') | |
302 | buff[count - 1] = '\0'; | |
303 | ||
304 | bat_info(net_dev, | |
86ceb360 SE |
305 | "Invalid parameter for 'vis mode' setting received: %s\n", |
306 | buff); | |
c6c8fea2 SE |
307 | return -EINVAL; |
308 | } | |
309 | ||
310 | if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp) | |
311 | return count; | |
312 | ||
313 | bat_info(net_dev, "Changing vis mode from: %s to: %s\n", | |
314 | atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE ? | |
315 | "client" : "server", vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE ? | |
316 | "client" : "server"); | |
317 | ||
95c96174 | 318 | atomic_set(&bat_priv->vis_mode, (unsigned int)vis_mode_tmp); |
c6c8fea2 SE |
319 | return count; |
320 | } | |
321 | ||
ea3d2fd1 ML |
322 | static ssize_t show_bat_algo(struct kobject *kobj, struct attribute *attr, |
323 | char *buff) | |
324 | { | |
325 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); | |
326 | return sprintf(buff, "%s\n", bat_priv->bat_algo_ops->name); | |
327 | } | |
328 | ||
c6c8fea2 SE |
329 | static void post_gw_deselect(struct net_device *net_dev) |
330 | { | |
331 | struct bat_priv *bat_priv = netdev_priv(net_dev); | |
7cf06bc6 | 332 | batadv_gw_deselect(bat_priv); |
c6c8fea2 SE |
333 | } |
334 | ||
335 | static ssize_t show_gw_mode(struct kobject *kobj, struct attribute *attr, | |
336 | char *buff) | |
337 | { | |
338 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); | |
339 | int bytes_written; | |
340 | ||
341 | switch (atomic_read(&bat_priv->gw_mode)) { | |
342 | case GW_MODE_CLIENT: | |
343 | bytes_written = sprintf(buff, "%s\n", GW_MODE_CLIENT_NAME); | |
344 | break; | |
345 | case GW_MODE_SERVER: | |
346 | bytes_written = sprintf(buff, "%s\n", GW_MODE_SERVER_NAME); | |
347 | break; | |
348 | default: | |
349 | bytes_written = sprintf(buff, "%s\n", GW_MODE_OFF_NAME); | |
350 | break; | |
351 | } | |
352 | ||
353 | return bytes_written; | |
354 | } | |
355 | ||
356 | static ssize_t store_gw_mode(struct kobject *kobj, struct attribute *attr, | |
357 | char *buff, size_t count) | |
358 | { | |
359 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
360 | struct bat_priv *bat_priv = netdev_priv(net_dev); | |
361 | char *curr_gw_mode_str; | |
362 | int gw_mode_tmp = -1; | |
363 | ||
364 | if (buff[count - 1] == '\n') | |
365 | buff[count - 1] = '\0'; | |
366 | ||
367 | if (strncmp(buff, GW_MODE_OFF_NAME, strlen(GW_MODE_OFF_NAME)) == 0) | |
368 | gw_mode_tmp = GW_MODE_OFF; | |
369 | ||
370 | if (strncmp(buff, GW_MODE_CLIENT_NAME, | |
7c64fd98 | 371 | strlen(GW_MODE_CLIENT_NAME)) == 0) |
c6c8fea2 SE |
372 | gw_mode_tmp = GW_MODE_CLIENT; |
373 | ||
374 | if (strncmp(buff, GW_MODE_SERVER_NAME, | |
7c64fd98 | 375 | strlen(GW_MODE_SERVER_NAME)) == 0) |
c6c8fea2 SE |
376 | gw_mode_tmp = GW_MODE_SERVER; |
377 | ||
378 | if (gw_mode_tmp < 0) { | |
379 | bat_info(net_dev, | |
86ceb360 SE |
380 | "Invalid parameter for 'gw mode' setting received: %s\n", |
381 | buff); | |
c6c8fea2 SE |
382 | return -EINVAL; |
383 | } | |
384 | ||
385 | if (atomic_read(&bat_priv->gw_mode) == gw_mode_tmp) | |
386 | return count; | |
387 | ||
388 | switch (atomic_read(&bat_priv->gw_mode)) { | |
389 | case GW_MODE_CLIENT: | |
390 | curr_gw_mode_str = GW_MODE_CLIENT_NAME; | |
391 | break; | |
392 | case GW_MODE_SERVER: | |
393 | curr_gw_mode_str = GW_MODE_SERVER_NAME; | |
394 | break; | |
395 | default: | |
396 | curr_gw_mode_str = GW_MODE_OFF_NAME; | |
397 | break; | |
398 | } | |
399 | ||
400 | bat_info(net_dev, "Changing gw mode from: %s to: %s\n", | |
401 | curr_gw_mode_str, buff); | |
402 | ||
7cf06bc6 | 403 | batadv_gw_deselect(bat_priv); |
95c96174 | 404 | atomic_set(&bat_priv->gw_mode, (unsigned int)gw_mode_tmp); |
c6c8fea2 SE |
405 | return count; |
406 | } | |
407 | ||
408 | static ssize_t show_gw_bwidth(struct kobject *kobj, struct attribute *attr, | |
409 | char *buff) | |
410 | { | |
411 | struct bat_priv *bat_priv = kobj_to_batpriv(kobj); | |
412 | int down, up; | |
413 | int gw_bandwidth = atomic_read(&bat_priv->gw_bandwidth); | |
414 | ||
84d5e5e0 | 415 | batadv_gw_bandwidth_to_kbit(gw_bandwidth, &down, &up); |
c6c8fea2 SE |
416 | return sprintf(buff, "%i%s/%i%s\n", |
417 | (down > 2048 ? down / 1024 : down), | |
418 | (down > 2048 ? "MBit" : "KBit"), | |
419 | (up > 2048 ? up / 1024 : up), | |
420 | (up > 2048 ? "MBit" : "KBit")); | |
421 | } | |
422 | ||
423 | static ssize_t store_gw_bwidth(struct kobject *kobj, struct attribute *attr, | |
424 | char *buff, size_t count) | |
425 | { | |
426 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
427 | ||
428 | if (buff[count - 1] == '\n') | |
429 | buff[count - 1] = '\0'; | |
430 | ||
84d5e5e0 | 431 | return batadv_gw_bandwidth_set(net_dev, buff, count); |
c6c8fea2 SE |
432 | } |
433 | ||
f245c38b ML |
434 | BAT_ATTR_SIF_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL); |
435 | BAT_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL); | |
7a5cc242 | 436 | #ifdef CONFIG_BATMAN_ADV_BLA |
f245c38b | 437 | BAT_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR, NULL); |
7a5cc242 | 438 | #endif |
9563877e | 439 | BAT_ATTR_SIF_BOOL(fragmentation, S_IRUGO | S_IWUSR, batadv_update_min_mtu); |
f245c38b | 440 | BAT_ATTR_SIF_BOOL(ap_isolation, S_IRUGO | S_IWUSR, NULL); |
c6c8fea2 | 441 | static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode); |
ea3d2fd1 | 442 | static BAT_ATTR(routing_algo, S_IRUGO, show_bat_algo, NULL); |
c6c8fea2 | 443 | static BAT_ATTR(gw_mode, S_IRUGO | S_IWUSR, show_gw_mode, store_gw_mode); |
f245c38b ML |
444 | BAT_ATTR_SIF_UINT(orig_interval, S_IRUGO | S_IWUSR, 2 * JITTER, INT_MAX, NULL); |
445 | BAT_ATTR_SIF_UINT(hop_penalty, S_IRUGO | S_IWUSR, 0, TQ_MAX_VALUE, NULL); | |
446 | BAT_ATTR_SIF_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, TQ_MAX_VALUE, | |
447 | post_gw_deselect); | |
c6c8fea2 SE |
448 | static BAT_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, show_gw_bwidth, |
449 | store_gw_bwidth); | |
450 | #ifdef CONFIG_BATMAN_ADV_DEBUG | |
ef3a4093 | 451 | BAT_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, DBG_ALL, NULL); |
c6c8fea2 SE |
452 | #endif |
453 | ||
454 | static struct bat_attribute *mesh_attrs[] = { | |
455 | &bat_attr_aggregated_ogms, | |
456 | &bat_attr_bonding, | |
7a5cc242 | 457 | #ifdef CONFIG_BATMAN_ADV_BLA |
c8673055 | 458 | &bat_attr_bridge_loop_avoidance, |
7a5cc242 | 459 | #endif |
c6c8fea2 | 460 | &bat_attr_fragmentation, |
59b699cd | 461 | &bat_attr_ap_isolation, |
c6c8fea2 | 462 | &bat_attr_vis_mode, |
ea3d2fd1 | 463 | &bat_attr_routing_algo, |
c6c8fea2 SE |
464 | &bat_attr_gw_mode, |
465 | &bat_attr_orig_interval, | |
466 | &bat_attr_hop_penalty, | |
467 | &bat_attr_gw_sel_class, | |
468 | &bat_attr_gw_bandwidth, | |
469 | #ifdef CONFIG_BATMAN_ADV_DEBUG | |
470 | &bat_attr_log_level, | |
471 | #endif | |
472 | NULL, | |
473 | }; | |
474 | ||
5853e22c | 475 | int batadv_sysfs_add_meshif(struct net_device *dev) |
c6c8fea2 SE |
476 | { |
477 | struct kobject *batif_kobject = &dev->dev.kobj; | |
478 | struct bat_priv *bat_priv = netdev_priv(dev); | |
479 | struct bat_attribute **bat_attr; | |
480 | int err; | |
481 | ||
482 | bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR, | |
483 | batif_kobject); | |
484 | if (!bat_priv->mesh_obj) { | |
485 | bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, | |
486 | SYSFS_IF_MESH_SUBDIR); | |
487 | goto out; | |
488 | } | |
489 | ||
490 | for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) { | |
491 | err = sysfs_create_file(bat_priv->mesh_obj, | |
492 | &((*bat_attr)->attr)); | |
493 | if (err) { | |
494 | bat_err(dev, "Can't add sysfs file: %s/%s/%s\n", | |
495 | dev->name, SYSFS_IF_MESH_SUBDIR, | |
496 | ((*bat_attr)->attr).name); | |
497 | goto rem_attr; | |
498 | } | |
499 | } | |
500 | ||
501 | return 0; | |
502 | ||
503 | rem_attr: | |
504 | for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) | |
505 | sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); | |
506 | ||
507 | kobject_put(bat_priv->mesh_obj); | |
508 | bat_priv->mesh_obj = NULL; | |
509 | out: | |
510 | return -ENOMEM; | |
511 | } | |
512 | ||
5853e22c | 513 | void batadv_sysfs_del_meshif(struct net_device *dev) |
c6c8fea2 SE |
514 | { |
515 | struct bat_priv *bat_priv = netdev_priv(dev); | |
516 | struct bat_attribute **bat_attr; | |
517 | ||
518 | for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) | |
519 | sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); | |
520 | ||
521 | kobject_put(bat_priv->mesh_obj); | |
522 | bat_priv->mesh_obj = NULL; | |
523 | } | |
524 | ||
525 | static ssize_t show_mesh_iface(struct kobject *kobj, struct attribute *attr, | |
526 | char *buff) | |
527 | { | |
528 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
9563877e | 529 | struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev); |
c6c8fea2 SE |
530 | ssize_t length; |
531 | ||
e6c10f43 | 532 | if (!hard_iface) |
c6c8fea2 SE |
533 | return 0; |
534 | ||
e6c10f43 ML |
535 | length = sprintf(buff, "%s\n", hard_iface->if_status == IF_NOT_IN_USE ? |
536 | "none" : hard_iface->soft_iface->name); | |
c6c8fea2 | 537 | |
e6c10f43 | 538 | hardif_free_ref(hard_iface); |
c6c8fea2 SE |
539 | |
540 | return length; | |
541 | } | |
542 | ||
543 | static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr, | |
544 | char *buff, size_t count) | |
545 | { | |
546 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
9563877e | 547 | struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev); |
c6c8fea2 | 548 | int status_tmp = -1; |
ed75ccbe | 549 | int ret = count; |
c6c8fea2 | 550 | |
e6c10f43 | 551 | if (!hard_iface) |
c6c8fea2 SE |
552 | return count; |
553 | ||
554 | if (buff[count - 1] == '\n') | |
555 | buff[count - 1] = '\0'; | |
556 | ||
557 | if (strlen(buff) >= IFNAMSIZ) { | |
86ceb360 SE |
558 | pr_err("Invalid parameter for 'mesh_iface' setting received: interface name too long '%s'\n", |
559 | buff); | |
e6c10f43 | 560 | hardif_free_ref(hard_iface); |
c6c8fea2 SE |
561 | return -EINVAL; |
562 | } | |
563 | ||
564 | if (strncmp(buff, "none", 4) == 0) | |
565 | status_tmp = IF_NOT_IN_USE; | |
566 | else | |
567 | status_tmp = IF_I_WANT_YOU; | |
568 | ||
e6c10f43 ML |
569 | if (hard_iface->if_status == status_tmp) |
570 | goto out; | |
571 | ||
572 | if ((hard_iface->soft_iface) && | |
573 | (strncmp(hard_iface->soft_iface->name, buff, IFNAMSIZ) == 0)) | |
ed75ccbe | 574 | goto out; |
c6c8fea2 | 575 | |
3a4375a9 SE |
576 | if (!rtnl_trylock()) { |
577 | ret = -ERESTARTSYS; | |
578 | goto out; | |
579 | } | |
580 | ||
c6c8fea2 | 581 | if (status_tmp == IF_NOT_IN_USE) { |
9563877e | 582 | batadv_hardif_disable_interface(hard_iface); |
3a4375a9 | 583 | goto unlock; |
c6c8fea2 SE |
584 | } |
585 | ||
586 | /* if the interface already is in use */ | |
3a4375a9 | 587 | if (hard_iface->if_status != IF_NOT_IN_USE) |
9563877e | 588 | batadv_hardif_disable_interface(hard_iface); |
c6c8fea2 | 589 | |
9563877e | 590 | ret = batadv_hardif_enable_interface(hard_iface, buff); |
c6c8fea2 | 591 | |
3a4375a9 SE |
592 | unlock: |
593 | rtnl_unlock(); | |
ed75ccbe | 594 | out: |
e6c10f43 | 595 | hardif_free_ref(hard_iface); |
c6c8fea2 SE |
596 | return ret; |
597 | } | |
598 | ||
599 | static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr, | |
600 | char *buff) | |
601 | { | |
602 | struct net_device *net_dev = kobj_to_netdev(kobj); | |
9563877e | 603 | struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev); |
c6c8fea2 SE |
604 | ssize_t length; |
605 | ||
e6c10f43 | 606 | if (!hard_iface) |
c6c8fea2 SE |
607 | return 0; |
608 | ||
e6c10f43 | 609 | switch (hard_iface->if_status) { |
c6c8fea2 SE |
610 | case IF_TO_BE_REMOVED: |
611 | length = sprintf(buff, "disabling\n"); | |
612 | break; | |
613 | case IF_INACTIVE: | |
614 | length = sprintf(buff, "inactive\n"); | |
615 | break; | |
616 | case IF_ACTIVE: | |
617 | length = sprintf(buff, "active\n"); | |
618 | break; | |
619 | case IF_TO_BE_ACTIVATED: | |
620 | length = sprintf(buff, "enabling\n"); | |
621 | break; | |
622 | case IF_NOT_IN_USE: | |
623 | default: | |
624 | length = sprintf(buff, "not in use\n"); | |
625 | break; | |
626 | } | |
627 | ||
e6c10f43 | 628 | hardif_free_ref(hard_iface); |
c6c8fea2 SE |
629 | |
630 | return length; | |
631 | } | |
632 | ||
633 | static BAT_ATTR(mesh_iface, S_IRUGO | S_IWUSR, | |
634 | show_mesh_iface, store_mesh_iface); | |
635 | static BAT_ATTR(iface_status, S_IRUGO, show_iface_status, NULL); | |
636 | ||
637 | static struct bat_attribute *batman_attrs[] = { | |
638 | &bat_attr_mesh_iface, | |
639 | &bat_attr_iface_status, | |
640 | NULL, | |
641 | }; | |
642 | ||
5853e22c | 643 | int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev) |
c6c8fea2 SE |
644 | { |
645 | struct kobject *hardif_kobject = &dev->dev.kobj; | |
646 | struct bat_attribute **bat_attr; | |
647 | int err; | |
648 | ||
649 | *hardif_obj = kobject_create_and_add(SYSFS_IF_BAT_SUBDIR, | |
650 | hardif_kobject); | |
651 | ||
652 | if (!*hardif_obj) { | |
653 | bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, | |
654 | SYSFS_IF_BAT_SUBDIR); | |
655 | goto out; | |
656 | } | |
657 | ||
658 | for (bat_attr = batman_attrs; *bat_attr; ++bat_attr) { | |
659 | err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr)); | |
660 | if (err) { | |
661 | bat_err(dev, "Can't add sysfs file: %s/%s/%s\n", | |
662 | dev->name, SYSFS_IF_BAT_SUBDIR, | |
663 | ((*bat_attr)->attr).name); | |
664 | goto rem_attr; | |
665 | } | |
666 | } | |
667 | ||
668 | return 0; | |
669 | ||
670 | rem_attr: | |
671 | for (bat_attr = batman_attrs; *bat_attr; ++bat_attr) | |
672 | sysfs_remove_file(*hardif_obj, &((*bat_attr)->attr)); | |
673 | out: | |
674 | return -ENOMEM; | |
675 | } | |
676 | ||
5853e22c | 677 | void batadv_sysfs_del_hardif(struct kobject **hardif_obj) |
c6c8fea2 SE |
678 | { |
679 | kobject_put(*hardif_obj); | |
680 | *hardif_obj = NULL; | |
681 | } | |
c6bda689 | 682 | |
5853e22c SE |
683 | int batadv_throw_uevent(struct bat_priv *bat_priv, enum uev_type type, |
684 | enum uev_action action, const char *data) | |
c6bda689 | 685 | { |
5346c35e | 686 | int ret = -ENOMEM; |
c6bda689 AQ |
687 | struct hard_iface *primary_if = NULL; |
688 | struct kobject *bat_kobj; | |
689 | char *uevent_env[4] = { NULL, NULL, NULL, NULL }; | |
690 | ||
691 | primary_if = primary_if_get_selected(bat_priv); | |
692 | if (!primary_if) | |
693 | goto out; | |
694 | ||
695 | bat_kobj = &primary_if->soft_iface->dev.kobj; | |
696 | ||
697 | uevent_env[0] = kmalloc(strlen(UEV_TYPE_VAR) + | |
698 | strlen(uev_type_str[type]) + 1, | |
699 | GFP_ATOMIC); | |
700 | if (!uevent_env[0]) | |
701 | goto out; | |
702 | ||
703 | sprintf(uevent_env[0], "%s%s", UEV_TYPE_VAR, uev_type_str[type]); | |
704 | ||
705 | uevent_env[1] = kmalloc(strlen(UEV_ACTION_VAR) + | |
706 | strlen(uev_action_str[action]) + 1, | |
707 | GFP_ATOMIC); | |
708 | if (!uevent_env[1]) | |
709 | goto out; | |
710 | ||
711 | sprintf(uevent_env[1], "%s%s", UEV_ACTION_VAR, uev_action_str[action]); | |
712 | ||
713 | /* If the event is DEL, ignore the data field */ | |
714 | if (action != UEV_DEL) { | |
715 | uevent_env[2] = kmalloc(strlen(UEV_DATA_VAR) + | |
716 | strlen(data) + 1, GFP_ATOMIC); | |
717 | if (!uevent_env[2]) | |
718 | goto out; | |
719 | ||
720 | sprintf(uevent_env[2], "%s%s", UEV_DATA_VAR, data); | |
721 | } | |
722 | ||
723 | ret = kobject_uevent_env(bat_kobj, KOBJ_CHANGE, uevent_env); | |
724 | out: | |
725 | kfree(uevent_env[0]); | |
726 | kfree(uevent_env[1]); | |
727 | kfree(uevent_env[2]); | |
728 | ||
729 | if (primary_if) | |
730 | hardif_free_ref(primary_if); | |
731 | ||
732 | if (ret) | |
86ceb360 SE |
733 | bat_dbg(DBG_BATMAN, bat_priv, |
734 | "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n", | |
c6bda689 AQ |
735 | uev_type_str[type], uev_action_str[action], |
736 | (action == UEV_DEL ? "NULL" : data), ret); | |
737 | return ret; | |
738 | } |