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0b873931 | 1 | /* Copyright (C) 2010-2013 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" | |
b706b13b | 21 | #include "sysfs.h" |
c6c8fea2 | 22 | #include "translation-table.h" |
33af49ad | 23 | #include "distributed-arp-table.h" |
c6c8fea2 SE |
24 | #include "originator.h" |
25 | #include "hard-interface.h" | |
26 | #include "gateway_common.h" | |
27 | #include "gateway_client.h" | |
28 | #include "vis.h" | |
29 | ||
0ff9b86f | 30 | static struct net_device *batadv_kobj_to_netdev(struct kobject *obj) |
3d222bba SE |
31 | { |
32 | struct device *dev = container_of(obj->parent, struct device, kobj); | |
33 | return to_net_dev(dev); | |
34 | } | |
35 | ||
56303d34 | 36 | static struct batadv_priv *batadv_kobj_to_batpriv(struct kobject *obj) |
3d222bba | 37 | { |
0ff9b86f | 38 | struct net_device *net_dev = batadv_kobj_to_netdev(obj); |
3d222bba SE |
39 | return netdev_priv(net_dev); |
40 | } | |
c6c8fea2 | 41 | |
347c80f0 SE |
42 | #define BATADV_UEV_TYPE_VAR "BATTYPE=" |
43 | #define BATADV_UEV_ACTION_VAR "BATACTION=" | |
44 | #define BATADV_UEV_DATA_VAR "BATDATA=" | |
c6bda689 | 45 | |
0ff9b86f | 46 | static char *batadv_uev_action_str[] = { |
c6bda689 AQ |
47 | "add", |
48 | "del", | |
49 | "change" | |
50 | }; | |
51 | ||
0ff9b86f | 52 | static char *batadv_uev_type_str[] = { |
c6bda689 AQ |
53 | "gw" |
54 | }; | |
55 | ||
c6c8fea2 | 56 | /* Use this, if you have customized show and store functions */ |
347c80f0 | 57 | #define BATADV_ATTR(_name, _mode, _show, _store) \ |
b4d66b87 | 58 | struct batadv_attribute batadv_attr_##_name = { \ |
347c80f0 SE |
59 | .attr = {.name = __stringify(_name), \ |
60 | .mode = _mode }, \ | |
61 | .show = _show, \ | |
62 | .store = _store, \ | |
c6c8fea2 SE |
63 | }; |
64 | ||
347c80f0 | 65 | #define BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \ |
0ff9b86f SE |
66 | ssize_t batadv_store_##_name(struct kobject *kobj, \ |
67 | struct attribute *attr, char *buff, \ | |
68 | size_t count) \ | |
c6c8fea2 | 69 | { \ |
0ff9b86f | 70 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ |
56303d34 | 71 | struct batadv_priv *bat_priv = netdev_priv(net_dev); \ |
0ff9b86f SE |
72 | return __batadv_store_bool_attr(buff, count, _post_func, attr, \ |
73 | &bat_priv->_name, net_dev); \ | |
c6c8fea2 SE |
74 | } |
75 | ||
347c80f0 | 76 | #define BATADV_ATTR_SIF_SHOW_BOOL(_name) \ |
0ff9b86f SE |
77 | ssize_t batadv_show_##_name(struct kobject *kobj, \ |
78 | struct attribute *attr, char *buff) \ | |
c6c8fea2 | 79 | { \ |
56303d34 | 80 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ |
c6c8fea2 SE |
81 | return sprintf(buff, "%s\n", \ |
82 | atomic_read(&bat_priv->_name) == 0 ? \ | |
83 | "disabled" : "enabled"); \ | |
84 | } \ | |
85 | ||
f245c38b | 86 | /* Use this, if you are going to turn a [name] in the soft-interface |
9cfc7bd6 SE |
87 | * (bat_priv) on or off |
88 | */ | |
347c80f0 SE |
89 | #define BATADV_ATTR_SIF_BOOL(_name, _mode, _post_func) \ |
90 | static BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \ | |
91 | static BATADV_ATTR_SIF_SHOW_BOOL(_name) \ | |
92 | static BATADV_ATTR(_name, _mode, batadv_show_##_name, \ | |
93 | batadv_store_##_name) | |
c6c8fea2 SE |
94 | |
95 | ||
347c80f0 | 96 | #define BATADV_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \ |
0ff9b86f SE |
97 | ssize_t batadv_store_##_name(struct kobject *kobj, \ |
98 | struct attribute *attr, char *buff, \ | |
99 | size_t count) \ | |
c6c8fea2 | 100 | { \ |
0ff9b86f | 101 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ |
56303d34 | 102 | struct batadv_priv *bat_priv = netdev_priv(net_dev); \ |
0ff9b86f SE |
103 | return __batadv_store_uint_attr(buff, count, _min, _max, \ |
104 | _post_func, attr, \ | |
105 | &bat_priv->_name, net_dev); \ | |
c6c8fea2 SE |
106 | } |
107 | ||
347c80f0 | 108 | #define BATADV_ATTR_SIF_SHOW_UINT(_name) \ |
0ff9b86f SE |
109 | ssize_t batadv_show_##_name(struct kobject *kobj, \ |
110 | struct attribute *attr, char *buff) \ | |
c6c8fea2 | 111 | { \ |
56303d34 | 112 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ |
c6c8fea2 SE |
113 | return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \ |
114 | } \ | |
115 | ||
f245c38b | 116 | /* Use this, if you are going to set [name] in the soft-interface |
9cfc7bd6 SE |
117 | * (bat_priv) to an unsigned integer value |
118 | */ | |
347c80f0 SE |
119 | #define BATADV_ATTR_SIF_UINT(_name, _mode, _min, _max, _post_func) \ |
120 | static BATADV_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func)\ | |
121 | static BATADV_ATTR_SIF_SHOW_UINT(_name) \ | |
122 | static BATADV_ATTR(_name, _mode, batadv_show_##_name, \ | |
123 | batadv_store_##_name) | |
c6c8fea2 SE |
124 | |
125 | ||
0ff9b86f SE |
126 | static int batadv_store_bool_attr(char *buff, size_t count, |
127 | struct net_device *net_dev, | |
128 | const char *attr_name, atomic_t *attr) | |
c6c8fea2 SE |
129 | { |
130 | int enabled = -1; | |
131 | ||
132 | if (buff[count - 1] == '\n') | |
133 | buff[count - 1] = '\0'; | |
134 | ||
135 | if ((strncmp(buff, "1", 2) == 0) || | |
136 | (strncmp(buff, "enable", 7) == 0) || | |
137 | (strncmp(buff, "enabled", 8) == 0)) | |
138 | enabled = 1; | |
139 | ||
140 | if ((strncmp(buff, "0", 2) == 0) || | |
141 | (strncmp(buff, "disable", 8) == 0) || | |
142 | (strncmp(buff, "disabled", 9) == 0)) | |
143 | enabled = 0; | |
144 | ||
145 | if (enabled < 0) { | |
3e34819e SE |
146 | batadv_info(net_dev, "%s: Invalid parameter received: %s\n", |
147 | attr_name, buff); | |
c6c8fea2 SE |
148 | return -EINVAL; |
149 | } | |
150 | ||
151 | if (atomic_read(attr) == enabled) | |
152 | return count; | |
153 | ||
3e34819e SE |
154 | batadv_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name, |
155 | atomic_read(attr) == 1 ? "enabled" : "disabled", | |
156 | enabled == 1 ? "enabled" : "disabled"); | |
c6c8fea2 | 157 | |
95c96174 | 158 | atomic_set(attr, (unsigned int)enabled); |
c6c8fea2 SE |
159 | return count; |
160 | } | |
161 | ||
0ff9b86f SE |
162 | static inline ssize_t |
163 | __batadv_store_bool_attr(char *buff, size_t count, | |
164 | void (*post_func)(struct net_device *), | |
165 | struct attribute *attr, | |
166 | atomic_t *attr_store, struct net_device *net_dev) | |
c6c8fea2 SE |
167 | { |
168 | int ret; | |
169 | ||
0ff9b86f SE |
170 | ret = batadv_store_bool_attr(buff, count, net_dev, attr->name, |
171 | attr_store); | |
c6c8fea2 SE |
172 | if (post_func && ret) |
173 | post_func(net_dev); | |
174 | ||
175 | return ret; | |
176 | } | |
177 | ||
0ff9b86f SE |
178 | static int batadv_store_uint_attr(const char *buff, size_t count, |
179 | struct net_device *net_dev, | |
180 | const char *attr_name, | |
181 | unsigned int min, unsigned int max, | |
182 | atomic_t *attr) | |
c6c8fea2 SE |
183 | { |
184 | unsigned long uint_val; | |
185 | int ret; | |
186 | ||
25a92b13 | 187 | ret = kstrtoul(buff, 10, &uint_val); |
c6c8fea2 | 188 | if (ret) { |
3e34819e SE |
189 | batadv_info(net_dev, "%s: Invalid parameter received: %s\n", |
190 | attr_name, buff); | |
c6c8fea2 SE |
191 | return -EINVAL; |
192 | } | |
193 | ||
194 | if (uint_val < min) { | |
3e34819e SE |
195 | batadv_info(net_dev, "%s: Value is too small: %lu min: %u\n", |
196 | attr_name, uint_val, min); | |
c6c8fea2 SE |
197 | return -EINVAL; |
198 | } | |
199 | ||
200 | if (uint_val > max) { | |
3e34819e SE |
201 | batadv_info(net_dev, "%s: Value is too big: %lu max: %u\n", |
202 | attr_name, uint_val, max); | |
c6c8fea2 SE |
203 | return -EINVAL; |
204 | } | |
205 | ||
206 | if (atomic_read(attr) == uint_val) | |
207 | return count; | |
208 | ||
3e34819e SE |
209 | batadv_info(net_dev, "%s: Changing from: %i to: %lu\n", |
210 | attr_name, atomic_read(attr), uint_val); | |
c6c8fea2 SE |
211 | |
212 | atomic_set(attr, uint_val); | |
213 | return count; | |
214 | } | |
215 | ||
0ff9b86f SE |
216 | static inline ssize_t |
217 | __batadv_store_uint_attr(const char *buff, size_t count, | |
218 | int min, int max, | |
219 | void (*post_func)(struct net_device *), | |
220 | const struct attribute *attr, | |
221 | atomic_t *attr_store, struct net_device *net_dev) | |
c6c8fea2 SE |
222 | { |
223 | int ret; | |
224 | ||
0ff9b86f SE |
225 | ret = batadv_store_uint_attr(buff, count, net_dev, attr->name, min, max, |
226 | attr_store); | |
c6c8fea2 SE |
227 | if (post_func && ret) |
228 | post_func(net_dev); | |
229 | ||
230 | return ret; | |
231 | } | |
232 | ||
0ff9b86f SE |
233 | static ssize_t batadv_show_vis_mode(struct kobject *kobj, |
234 | struct attribute *attr, char *buff) | |
c6c8fea2 | 235 | { |
56303d34 | 236 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
c6c8fea2 | 237 | int vis_mode = atomic_read(&bat_priv->vis_mode); |
acd34afa | 238 | const char *mode; |
c6c8fea2 | 239 | |
acd34afa SE |
240 | if (vis_mode == BATADV_VIS_TYPE_CLIENT_UPDATE) |
241 | mode = "client"; | |
242 | else | |
243 | mode = "server"; | |
244 | ||
245 | return sprintf(buff, "%s\n", mode); | |
c6c8fea2 SE |
246 | } |
247 | ||
0ff9b86f SE |
248 | static ssize_t batadv_store_vis_mode(struct kobject *kobj, |
249 | struct attribute *attr, char *buff, | |
250 | size_t count) | |
c6c8fea2 | 251 | { |
0ff9b86f | 252 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
56303d34 | 253 | struct batadv_priv *bat_priv = netdev_priv(net_dev); |
c6c8fea2 SE |
254 | unsigned long val; |
255 | int ret, vis_mode_tmp = -1; | |
3e34819e | 256 | const char *old_mode, *new_mode; |
c6c8fea2 | 257 | |
25a92b13 | 258 | ret = kstrtoul(buff, 10, &val); |
c6c8fea2 | 259 | |
acd34afa SE |
260 | if (((count == 2) && (!ret) && |
261 | (val == BATADV_VIS_TYPE_CLIENT_UPDATE)) || | |
c6c8fea2 SE |
262 | (strncmp(buff, "client", 6) == 0) || |
263 | (strncmp(buff, "off", 3) == 0)) | |
acd34afa | 264 | vis_mode_tmp = BATADV_VIS_TYPE_CLIENT_UPDATE; |
c6c8fea2 | 265 | |
acd34afa SE |
266 | if (((count == 2) && (!ret) && |
267 | (val == BATADV_VIS_TYPE_SERVER_SYNC)) || | |
c6c8fea2 | 268 | (strncmp(buff, "server", 6) == 0)) |
acd34afa | 269 | vis_mode_tmp = BATADV_VIS_TYPE_SERVER_SYNC; |
c6c8fea2 SE |
270 | |
271 | if (vis_mode_tmp < 0) { | |
272 | if (buff[count - 1] == '\n') | |
273 | buff[count - 1] = '\0'; | |
274 | ||
3e34819e SE |
275 | batadv_info(net_dev, |
276 | "Invalid parameter for 'vis mode' setting received: %s\n", | |
277 | buff); | |
c6c8fea2 SE |
278 | return -EINVAL; |
279 | } | |
280 | ||
281 | if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp) | |
282 | return count; | |
283 | ||
acd34afa | 284 | if (atomic_read(&bat_priv->vis_mode) == BATADV_VIS_TYPE_CLIENT_UPDATE) |
3e34819e SE |
285 | old_mode = "client"; |
286 | else | |
287 | old_mode = "server"; | |
288 | ||
acd34afa | 289 | if (vis_mode_tmp == BATADV_VIS_TYPE_CLIENT_UPDATE) |
3e34819e SE |
290 | new_mode = "client"; |
291 | else | |
292 | new_mode = "server"; | |
293 | ||
294 | batadv_info(net_dev, "Changing vis mode from: %s to: %s\n", old_mode, | |
295 | new_mode); | |
c6c8fea2 | 296 | |
95c96174 | 297 | atomic_set(&bat_priv->vis_mode, (unsigned int)vis_mode_tmp); |
c6c8fea2 SE |
298 | return count; |
299 | } | |
300 | ||
0ff9b86f SE |
301 | static ssize_t batadv_show_bat_algo(struct kobject *kobj, |
302 | struct attribute *attr, char *buff) | |
ea3d2fd1 | 303 | { |
56303d34 | 304 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
ea3d2fd1 ML |
305 | return sprintf(buff, "%s\n", bat_priv->bat_algo_ops->name); |
306 | } | |
307 | ||
0ff9b86f | 308 | static void batadv_post_gw_deselect(struct net_device *net_dev) |
c6c8fea2 | 309 | { |
56303d34 | 310 | struct batadv_priv *bat_priv = netdev_priv(net_dev); |
7cf06bc6 | 311 | batadv_gw_deselect(bat_priv); |
c6c8fea2 SE |
312 | } |
313 | ||
0ff9b86f SE |
314 | static ssize_t batadv_show_gw_mode(struct kobject *kobj, struct attribute *attr, |
315 | char *buff) | |
c6c8fea2 | 316 | { |
56303d34 | 317 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
c6c8fea2 SE |
318 | int bytes_written; |
319 | ||
320 | switch (atomic_read(&bat_priv->gw_mode)) { | |
cd646ab1 | 321 | case BATADV_GW_MODE_CLIENT: |
97ea4ba1 SE |
322 | bytes_written = sprintf(buff, "%s\n", |
323 | BATADV_GW_MODE_CLIENT_NAME); | |
c6c8fea2 | 324 | break; |
cd646ab1 | 325 | case BATADV_GW_MODE_SERVER: |
97ea4ba1 SE |
326 | bytes_written = sprintf(buff, "%s\n", |
327 | BATADV_GW_MODE_SERVER_NAME); | |
c6c8fea2 SE |
328 | break; |
329 | default: | |
97ea4ba1 SE |
330 | bytes_written = sprintf(buff, "%s\n", |
331 | BATADV_GW_MODE_OFF_NAME); | |
c6c8fea2 SE |
332 | break; |
333 | } | |
334 | ||
335 | return bytes_written; | |
336 | } | |
337 | ||
0ff9b86f SE |
338 | static ssize_t batadv_store_gw_mode(struct kobject *kobj, |
339 | struct attribute *attr, char *buff, | |
340 | size_t count) | |
c6c8fea2 | 341 | { |
0ff9b86f | 342 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
56303d34 | 343 | struct batadv_priv *bat_priv = netdev_priv(net_dev); |
c6c8fea2 SE |
344 | char *curr_gw_mode_str; |
345 | int gw_mode_tmp = -1; | |
346 | ||
347 | if (buff[count - 1] == '\n') | |
348 | buff[count - 1] = '\0'; | |
349 | ||
97ea4ba1 SE |
350 | if (strncmp(buff, BATADV_GW_MODE_OFF_NAME, |
351 | strlen(BATADV_GW_MODE_OFF_NAME)) == 0) | |
cd646ab1 | 352 | gw_mode_tmp = BATADV_GW_MODE_OFF; |
c6c8fea2 | 353 | |
97ea4ba1 SE |
354 | if (strncmp(buff, BATADV_GW_MODE_CLIENT_NAME, |
355 | strlen(BATADV_GW_MODE_CLIENT_NAME)) == 0) | |
cd646ab1 | 356 | gw_mode_tmp = BATADV_GW_MODE_CLIENT; |
c6c8fea2 | 357 | |
97ea4ba1 SE |
358 | if (strncmp(buff, BATADV_GW_MODE_SERVER_NAME, |
359 | strlen(BATADV_GW_MODE_SERVER_NAME)) == 0) | |
cd646ab1 | 360 | gw_mode_tmp = BATADV_GW_MODE_SERVER; |
c6c8fea2 SE |
361 | |
362 | if (gw_mode_tmp < 0) { | |
3e34819e SE |
363 | batadv_info(net_dev, |
364 | "Invalid parameter for 'gw mode' setting received: %s\n", | |
365 | buff); | |
c6c8fea2 SE |
366 | return -EINVAL; |
367 | } | |
368 | ||
369 | if (atomic_read(&bat_priv->gw_mode) == gw_mode_tmp) | |
370 | return count; | |
371 | ||
372 | switch (atomic_read(&bat_priv->gw_mode)) { | |
cd646ab1 | 373 | case BATADV_GW_MODE_CLIENT: |
97ea4ba1 | 374 | curr_gw_mode_str = BATADV_GW_MODE_CLIENT_NAME; |
c6c8fea2 | 375 | break; |
cd646ab1 | 376 | case BATADV_GW_MODE_SERVER: |
97ea4ba1 | 377 | curr_gw_mode_str = BATADV_GW_MODE_SERVER_NAME; |
c6c8fea2 SE |
378 | break; |
379 | default: | |
97ea4ba1 | 380 | curr_gw_mode_str = BATADV_GW_MODE_OFF_NAME; |
c6c8fea2 SE |
381 | break; |
382 | } | |
383 | ||
3e34819e SE |
384 | batadv_info(net_dev, "Changing gw mode from: %s to: %s\n", |
385 | curr_gw_mode_str, buff); | |
c6c8fea2 | 386 | |
7cf06bc6 | 387 | batadv_gw_deselect(bat_priv); |
95c96174 | 388 | atomic_set(&bat_priv->gw_mode, (unsigned int)gw_mode_tmp); |
c6c8fea2 SE |
389 | return count; |
390 | } | |
391 | ||
0ff9b86f SE |
392 | static ssize_t batadv_show_gw_bwidth(struct kobject *kobj, |
393 | struct attribute *attr, char *buff) | |
c6c8fea2 | 394 | { |
56303d34 | 395 | struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); |
c6c8fea2 SE |
396 | int down, up; |
397 | int gw_bandwidth = atomic_read(&bat_priv->gw_bandwidth); | |
398 | ||
84d5e5e0 | 399 | batadv_gw_bandwidth_to_kbit(gw_bandwidth, &down, &up); |
c6c8fea2 SE |
400 | return sprintf(buff, "%i%s/%i%s\n", |
401 | (down > 2048 ? down / 1024 : down), | |
402 | (down > 2048 ? "MBit" : "KBit"), | |
403 | (up > 2048 ? up / 1024 : up), | |
404 | (up > 2048 ? "MBit" : "KBit")); | |
405 | } | |
406 | ||
0ff9b86f SE |
407 | static ssize_t batadv_store_gw_bwidth(struct kobject *kobj, |
408 | struct attribute *attr, char *buff, | |
409 | size_t count) | |
c6c8fea2 | 410 | { |
0ff9b86f | 411 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
c6c8fea2 SE |
412 | |
413 | if (buff[count - 1] == '\n') | |
414 | buff[count - 1] = '\0'; | |
415 | ||
84d5e5e0 | 416 | return batadv_gw_bandwidth_set(net_dev, buff, count); |
c6c8fea2 SE |
417 | } |
418 | ||
347c80f0 SE |
419 | BATADV_ATTR_SIF_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL); |
420 | BATADV_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL); | |
7a5cc242 | 421 | #ifdef CONFIG_BATMAN_ADV_BLA |
347c80f0 | 422 | BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR, NULL); |
7a5cc242 | 423 | #endif |
33af49ad AQ |
424 | #ifdef CONFIG_BATMAN_ADV_DAT |
425 | BATADV_ATTR_SIF_BOOL(distributed_arp_table, S_IRUGO | S_IWUSR, NULL); | |
426 | #endif | |
347c80f0 SE |
427 | BATADV_ATTR_SIF_BOOL(fragmentation, S_IRUGO | S_IWUSR, batadv_update_min_mtu); |
428 | BATADV_ATTR_SIF_BOOL(ap_isolation, S_IRUGO | S_IWUSR, NULL); | |
429 | static BATADV_ATTR(vis_mode, S_IRUGO | S_IWUSR, batadv_show_vis_mode, | |
430 | batadv_store_vis_mode); | |
431 | static BATADV_ATTR(routing_algo, S_IRUGO, batadv_show_bat_algo, NULL); | |
432 | static BATADV_ATTR(gw_mode, S_IRUGO | S_IWUSR, batadv_show_gw_mode, | |
433 | batadv_store_gw_mode); | |
42d0b044 SE |
434 | BATADV_ATTR_SIF_UINT(orig_interval, S_IRUGO | S_IWUSR, 2 * BATADV_JITTER, |
435 | INT_MAX, NULL); | |
436 | BATADV_ATTR_SIF_UINT(hop_penalty, S_IRUGO | S_IWUSR, 0, BATADV_TQ_MAX_VALUE, | |
347c80f0 | 437 | NULL); |
42d0b044 | 438 | BATADV_ATTR_SIF_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, BATADV_TQ_MAX_VALUE, |
347c80f0 SE |
439 | batadv_post_gw_deselect); |
440 | static BATADV_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, batadv_show_gw_bwidth, | |
441 | batadv_store_gw_bwidth); | |
c6c8fea2 | 442 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
39c75a51 | 443 | BATADV_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, BATADV_DBG_ALL, NULL); |
c6c8fea2 SE |
444 | #endif |
445 | ||
b4d66b87 | 446 | static struct batadv_attribute *batadv_mesh_attrs[] = { |
0ff9b86f SE |
447 | &batadv_attr_aggregated_ogms, |
448 | &batadv_attr_bonding, | |
7a5cc242 | 449 | #ifdef CONFIG_BATMAN_ADV_BLA |
0ff9b86f | 450 | &batadv_attr_bridge_loop_avoidance, |
33af49ad AQ |
451 | #endif |
452 | #ifdef CONFIG_BATMAN_ADV_DAT | |
453 | &batadv_attr_distributed_arp_table, | |
7a5cc242 | 454 | #endif |
0ff9b86f SE |
455 | &batadv_attr_fragmentation, |
456 | &batadv_attr_ap_isolation, | |
457 | &batadv_attr_vis_mode, | |
458 | &batadv_attr_routing_algo, | |
459 | &batadv_attr_gw_mode, | |
460 | &batadv_attr_orig_interval, | |
461 | &batadv_attr_hop_penalty, | |
462 | &batadv_attr_gw_sel_class, | |
463 | &batadv_attr_gw_bandwidth, | |
c6c8fea2 | 464 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
0ff9b86f | 465 | &batadv_attr_log_level, |
c6c8fea2 SE |
466 | #endif |
467 | NULL, | |
468 | }; | |
469 | ||
5853e22c | 470 | int batadv_sysfs_add_meshif(struct net_device *dev) |
c6c8fea2 SE |
471 | { |
472 | struct kobject *batif_kobject = &dev->dev.kobj; | |
56303d34 | 473 | struct batadv_priv *bat_priv = netdev_priv(dev); |
b4d66b87 | 474 | struct batadv_attribute **bat_attr; |
c6c8fea2 SE |
475 | int err; |
476 | ||
036cbfeb | 477 | bat_priv->mesh_obj = kobject_create_and_add(BATADV_SYSFS_IF_MESH_SUBDIR, |
c6c8fea2 SE |
478 | batif_kobject); |
479 | if (!bat_priv->mesh_obj) { | |
3e34819e | 480 | batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, |
036cbfeb | 481 | BATADV_SYSFS_IF_MESH_SUBDIR); |
c6c8fea2 SE |
482 | goto out; |
483 | } | |
484 | ||
0ff9b86f | 485 | for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) { |
c6c8fea2 SE |
486 | err = sysfs_create_file(bat_priv->mesh_obj, |
487 | &((*bat_attr)->attr)); | |
488 | if (err) { | |
3e34819e | 489 | batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n", |
036cbfeb | 490 | dev->name, BATADV_SYSFS_IF_MESH_SUBDIR, |
3e34819e | 491 | ((*bat_attr)->attr).name); |
c6c8fea2 SE |
492 | goto rem_attr; |
493 | } | |
494 | } | |
495 | ||
496 | return 0; | |
497 | ||
498 | rem_attr: | |
0ff9b86f | 499 | for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) |
c6c8fea2 SE |
500 | sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); |
501 | ||
502 | kobject_put(bat_priv->mesh_obj); | |
503 | bat_priv->mesh_obj = NULL; | |
504 | out: | |
505 | return -ENOMEM; | |
506 | } | |
507 | ||
5853e22c | 508 | void batadv_sysfs_del_meshif(struct net_device *dev) |
c6c8fea2 | 509 | { |
56303d34 | 510 | struct batadv_priv *bat_priv = netdev_priv(dev); |
b4d66b87 | 511 | struct batadv_attribute **bat_attr; |
c6c8fea2 | 512 | |
0ff9b86f | 513 | for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) |
c6c8fea2 SE |
514 | sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); |
515 | ||
516 | kobject_put(bat_priv->mesh_obj); | |
517 | bat_priv->mesh_obj = NULL; | |
518 | } | |
519 | ||
0ff9b86f SE |
520 | static ssize_t batadv_show_mesh_iface(struct kobject *kobj, |
521 | struct attribute *attr, char *buff) | |
c6c8fea2 | 522 | { |
0ff9b86f | 523 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
56303d34 | 524 | struct batadv_hard_iface *hard_iface; |
c6c8fea2 | 525 | ssize_t length; |
e9a4f295 | 526 | const char *ifname; |
c6c8fea2 | 527 | |
56303d34 | 528 | hard_iface = batadv_hardif_get_by_netdev(net_dev); |
e6c10f43 | 529 | if (!hard_iface) |
c6c8fea2 SE |
530 | return 0; |
531 | ||
e9a4f295 SE |
532 | if (hard_iface->if_status == BATADV_IF_NOT_IN_USE) |
533 | ifname = "none"; | |
534 | else | |
535 | ifname = hard_iface->soft_iface->name; | |
536 | ||
537 | length = sprintf(buff, "%s\n", ifname); | |
c6c8fea2 | 538 | |
e5d89254 | 539 | batadv_hardif_free_ref(hard_iface); |
c6c8fea2 SE |
540 | |
541 | return length; | |
542 | } | |
543 | ||
0ff9b86f SE |
544 | static ssize_t batadv_store_mesh_iface(struct kobject *kobj, |
545 | struct attribute *attr, char *buff, | |
546 | size_t count) | |
c6c8fea2 | 547 | { |
0ff9b86f | 548 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
56303d34 | 549 | struct batadv_hard_iface *hard_iface; |
c6c8fea2 | 550 | int status_tmp = -1; |
ed75ccbe | 551 | int ret = count; |
c6c8fea2 | 552 | |
56303d34 | 553 | hard_iface = batadv_hardif_get_by_netdev(net_dev); |
e6c10f43 | 554 | if (!hard_iface) |
c6c8fea2 SE |
555 | return count; |
556 | ||
557 | if (buff[count - 1] == '\n') | |
558 | buff[count - 1] = '\0'; | |
559 | ||
560 | if (strlen(buff) >= IFNAMSIZ) { | |
86ceb360 SE |
561 | pr_err("Invalid parameter for 'mesh_iface' setting received: interface name too long '%s'\n", |
562 | buff); | |
e5d89254 | 563 | batadv_hardif_free_ref(hard_iface); |
c6c8fea2 SE |
564 | return -EINVAL; |
565 | } | |
566 | ||
567 | if (strncmp(buff, "none", 4) == 0) | |
e9a4f295 | 568 | status_tmp = BATADV_IF_NOT_IN_USE; |
c6c8fea2 | 569 | else |
e9a4f295 | 570 | status_tmp = BATADV_IF_I_WANT_YOU; |
c6c8fea2 | 571 | |
e6c10f43 ML |
572 | if (hard_iface->if_status == status_tmp) |
573 | goto out; | |
574 | ||
575 | if ((hard_iface->soft_iface) && | |
576 | (strncmp(hard_iface->soft_iface->name, buff, IFNAMSIZ) == 0)) | |
ed75ccbe | 577 | goto out; |
c6c8fea2 | 578 | |
3a4375a9 SE |
579 | if (!rtnl_trylock()) { |
580 | ret = -ERESTARTSYS; | |
581 | goto out; | |
582 | } | |
583 | ||
e9a4f295 | 584 | if (status_tmp == BATADV_IF_NOT_IN_USE) { |
9563877e | 585 | batadv_hardif_disable_interface(hard_iface); |
3a4375a9 | 586 | goto unlock; |
c6c8fea2 SE |
587 | } |
588 | ||
589 | /* if the interface already is in use */ | |
e9a4f295 | 590 | if (hard_iface->if_status != BATADV_IF_NOT_IN_USE) |
9563877e | 591 | batadv_hardif_disable_interface(hard_iface); |
c6c8fea2 | 592 | |
9563877e | 593 | ret = batadv_hardif_enable_interface(hard_iface, buff); |
c6c8fea2 | 594 | |
3a4375a9 SE |
595 | unlock: |
596 | rtnl_unlock(); | |
ed75ccbe | 597 | out: |
e5d89254 | 598 | batadv_hardif_free_ref(hard_iface); |
c6c8fea2 SE |
599 | return ret; |
600 | } | |
601 | ||
0ff9b86f SE |
602 | static ssize_t batadv_show_iface_status(struct kobject *kobj, |
603 | struct attribute *attr, char *buff) | |
c6c8fea2 | 604 | { |
0ff9b86f | 605 | struct net_device *net_dev = batadv_kobj_to_netdev(kobj); |
56303d34 | 606 | struct batadv_hard_iface *hard_iface; |
c6c8fea2 SE |
607 | ssize_t length; |
608 | ||
56303d34 | 609 | hard_iface = batadv_hardif_get_by_netdev(net_dev); |
e6c10f43 | 610 | if (!hard_iface) |
c6c8fea2 SE |
611 | return 0; |
612 | ||
e6c10f43 | 613 | switch (hard_iface->if_status) { |
e9a4f295 | 614 | case BATADV_IF_TO_BE_REMOVED: |
c6c8fea2 SE |
615 | length = sprintf(buff, "disabling\n"); |
616 | break; | |
e9a4f295 | 617 | case BATADV_IF_INACTIVE: |
c6c8fea2 SE |
618 | length = sprintf(buff, "inactive\n"); |
619 | break; | |
e9a4f295 | 620 | case BATADV_IF_ACTIVE: |
c6c8fea2 SE |
621 | length = sprintf(buff, "active\n"); |
622 | break; | |
e9a4f295 | 623 | case BATADV_IF_TO_BE_ACTIVATED: |
c6c8fea2 SE |
624 | length = sprintf(buff, "enabling\n"); |
625 | break; | |
e9a4f295 | 626 | case BATADV_IF_NOT_IN_USE: |
c6c8fea2 SE |
627 | default: |
628 | length = sprintf(buff, "not in use\n"); | |
629 | break; | |
630 | } | |
631 | ||
e5d89254 | 632 | batadv_hardif_free_ref(hard_iface); |
c6c8fea2 SE |
633 | |
634 | return length; | |
635 | } | |
636 | ||
347c80f0 SE |
637 | static BATADV_ATTR(mesh_iface, S_IRUGO | S_IWUSR, batadv_show_mesh_iface, |
638 | batadv_store_mesh_iface); | |
639 | static BATADV_ATTR(iface_status, S_IRUGO, batadv_show_iface_status, NULL); | |
c6c8fea2 | 640 | |
b4d66b87 | 641 | static struct batadv_attribute *batadv_batman_attrs[] = { |
0ff9b86f SE |
642 | &batadv_attr_mesh_iface, |
643 | &batadv_attr_iface_status, | |
c6c8fea2 SE |
644 | NULL, |
645 | }; | |
646 | ||
5853e22c | 647 | int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev) |
c6c8fea2 SE |
648 | { |
649 | struct kobject *hardif_kobject = &dev->dev.kobj; | |
b4d66b87 | 650 | struct batadv_attribute **bat_attr; |
c6c8fea2 SE |
651 | int err; |
652 | ||
036cbfeb SE |
653 | *hardif_obj = kobject_create_and_add(BATADV_SYSFS_IF_BAT_SUBDIR, |
654 | hardif_kobject); | |
c6c8fea2 SE |
655 | |
656 | if (!*hardif_obj) { | |
3e34819e | 657 | batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, |
036cbfeb | 658 | BATADV_SYSFS_IF_BAT_SUBDIR); |
c6c8fea2 SE |
659 | goto out; |
660 | } | |
661 | ||
0ff9b86f | 662 | for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr) { |
c6c8fea2 SE |
663 | err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr)); |
664 | if (err) { | |
3e34819e | 665 | batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n", |
036cbfeb | 666 | dev->name, BATADV_SYSFS_IF_BAT_SUBDIR, |
3e34819e | 667 | ((*bat_attr)->attr).name); |
c6c8fea2 SE |
668 | goto rem_attr; |
669 | } | |
670 | } | |
671 | ||
672 | return 0; | |
673 | ||
674 | rem_attr: | |
0ff9b86f | 675 | for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr) |
c6c8fea2 SE |
676 | sysfs_remove_file(*hardif_obj, &((*bat_attr)->attr)); |
677 | out: | |
678 | return -ENOMEM; | |
679 | } | |
680 | ||
5853e22c | 681 | void batadv_sysfs_del_hardif(struct kobject **hardif_obj) |
c6c8fea2 SE |
682 | { |
683 | kobject_put(*hardif_obj); | |
684 | *hardif_obj = NULL; | |
685 | } | |
c6bda689 | 686 | |
56303d34 | 687 | int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type, |
39c75a51 | 688 | enum batadv_uev_action action, const char *data) |
c6bda689 | 689 | { |
5346c35e | 690 | int ret = -ENOMEM; |
170173bf | 691 | struct batadv_hard_iface *primary_if; |
c6bda689 AQ |
692 | struct kobject *bat_kobj; |
693 | char *uevent_env[4] = { NULL, NULL, NULL, NULL }; | |
694 | ||
e5d89254 | 695 | primary_if = batadv_primary_if_get_selected(bat_priv); |
c6bda689 AQ |
696 | if (!primary_if) |
697 | goto out; | |
698 | ||
699 | bat_kobj = &primary_if->soft_iface->dev.kobj; | |
700 | ||
347c80f0 | 701 | uevent_env[0] = kmalloc(strlen(BATADV_UEV_TYPE_VAR) + |
0ff9b86f | 702 | strlen(batadv_uev_type_str[type]) + 1, |
c6bda689 AQ |
703 | GFP_ATOMIC); |
704 | if (!uevent_env[0]) | |
705 | goto out; | |
706 | ||
347c80f0 SE |
707 | sprintf(uevent_env[0], "%s%s", BATADV_UEV_TYPE_VAR, |
708 | batadv_uev_type_str[type]); | |
c6bda689 | 709 | |
347c80f0 | 710 | uevent_env[1] = kmalloc(strlen(BATADV_UEV_ACTION_VAR) + |
0ff9b86f | 711 | strlen(batadv_uev_action_str[action]) + 1, |
c6bda689 AQ |
712 | GFP_ATOMIC); |
713 | if (!uevent_env[1]) | |
714 | goto out; | |
715 | ||
347c80f0 | 716 | sprintf(uevent_env[1], "%s%s", BATADV_UEV_ACTION_VAR, |
0ff9b86f | 717 | batadv_uev_action_str[action]); |
c6bda689 AQ |
718 | |
719 | /* If the event is DEL, ignore the data field */ | |
39c75a51 | 720 | if (action != BATADV_UEV_DEL) { |
347c80f0 | 721 | uevent_env[2] = kmalloc(strlen(BATADV_UEV_DATA_VAR) + |
c6bda689 AQ |
722 | strlen(data) + 1, GFP_ATOMIC); |
723 | if (!uevent_env[2]) | |
724 | goto out; | |
725 | ||
347c80f0 | 726 | sprintf(uevent_env[2], "%s%s", BATADV_UEV_DATA_VAR, data); |
c6bda689 AQ |
727 | } |
728 | ||
729 | ret = kobject_uevent_env(bat_kobj, KOBJ_CHANGE, uevent_env); | |
730 | out: | |
731 | kfree(uevent_env[0]); | |
732 | kfree(uevent_env[1]); | |
733 | kfree(uevent_env[2]); | |
734 | ||
735 | if (primary_if) | |
e5d89254 | 736 | batadv_hardif_free_ref(primary_if); |
c6bda689 AQ |
737 | |
738 | if (ret) | |
39c75a51 | 739 | batadv_dbg(BATADV_DBG_BATMAN, bat_priv, |
1eda58bf | 740 | "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n", |
0ff9b86f SE |
741 | batadv_uev_type_str[type], |
742 | batadv_uev_action_str[action], | |
39c75a51 | 743 | (action == BATADV_UEV_DEL ? "NULL" : data), ret); |
c6bda689 AQ |
744 | return ret; |
745 | } |