1 /* Copyright (C) 2010-2012 B.A.T.M.A.N. contributors:
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.
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.
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
22 #include "translation-table.h"
23 #include "originator.h"
24 #include "hard-interface.h"
25 #include "gateway_common.h"
26 #include "gateway_client.h"
29 static struct net_device
*batadv_kobj_to_netdev(struct kobject
*obj
)
31 struct device
*dev
= container_of(obj
->parent
, struct device
, kobj
);
32 return to_net_dev(dev
);
35 static struct batadv_priv
*batadv_kobj_to_batpriv(struct kobject
*obj
)
37 struct net_device
*net_dev
= batadv_kobj_to_netdev(obj
);
38 return netdev_priv(net_dev
);
41 #define BATADV_UEV_TYPE_VAR "BATTYPE="
42 #define BATADV_UEV_ACTION_VAR "BATACTION="
43 #define BATADV_UEV_DATA_VAR "BATDATA="
45 static char *batadv_uev_action_str
[] = {
51 static char *batadv_uev_type_str
[] = {
55 /* Use this, if you have customized show and store functions */
56 #define BATADV_ATTR(_name, _mode, _show, _store) \
57 struct batadv_attribute batadv_attr_##_name = { \
58 .attr = {.name = __stringify(_name), \
64 #define BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \
65 ssize_t batadv_store_##_name(struct kobject *kobj, \
66 struct attribute *attr, char *buff, \
69 struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
70 struct batadv_priv *bat_priv = netdev_priv(net_dev); \
71 return __batadv_store_bool_attr(buff, count, _post_func, attr, \
72 &bat_priv->_name, net_dev); \
75 #define BATADV_ATTR_SIF_SHOW_BOOL(_name) \
76 ssize_t batadv_show_##_name(struct kobject *kobj, \
77 struct attribute *attr, char *buff) \
79 struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
80 return sprintf(buff, "%s\n", \
81 atomic_read(&bat_priv->_name) == 0 ? \
82 "disabled" : "enabled"); \
85 /* Use this, if you are going to turn a [name] in the soft-interface
86 * (bat_priv) on or off
88 #define BATADV_ATTR_SIF_BOOL(_name, _mode, _post_func) \
89 static BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \
90 static BATADV_ATTR_SIF_SHOW_BOOL(_name) \
91 static BATADV_ATTR(_name, _mode, batadv_show_##_name, \
95 #define BATADV_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \
96 ssize_t batadv_store_##_name(struct kobject *kobj, \
97 struct attribute *attr, char *buff, \
100 struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
101 struct batadv_priv *bat_priv = netdev_priv(net_dev); \
102 return __batadv_store_uint_attr(buff, count, _min, _max, \
104 &bat_priv->_name, net_dev); \
107 #define BATADV_ATTR_SIF_SHOW_UINT(_name) \
108 ssize_t batadv_show_##_name(struct kobject *kobj, \
109 struct attribute *attr, char *buff) \
111 struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
112 return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \
115 /* Use this, if you are going to set [name] in the soft-interface
116 * (bat_priv) to an unsigned integer value
118 #define BATADV_ATTR_SIF_UINT(_name, _mode, _min, _max, _post_func) \
119 static BATADV_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func)\
120 static BATADV_ATTR_SIF_SHOW_UINT(_name) \
121 static BATADV_ATTR(_name, _mode, batadv_show_##_name, \
122 batadv_store_##_name)
125 #define BATADV_ATTR_HIF_STORE_UINT(_name, _min, _max, _post_func) \
126 ssize_t batadv_store_##_name(struct kobject *kobj, \
127 struct attribute *attr, char *buff, \
130 struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
131 struct batadv_hard_iface *hard_iface; \
134 hard_iface = batadv_hardif_get_by_netdev(net_dev); \
138 length = __batadv_store_uint_attr(buff, count, _min, _max, \
140 &hard_iface->_name, net_dev); \
142 batadv_hardif_free_ref(hard_iface); \
146 #define BATADV_ATTR_HIF_SHOW_UINT(_name) \
147 ssize_t batadv_show_##_name(struct kobject *kobj, \
148 struct attribute *attr, char *buff) \
150 struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
151 struct batadv_hard_iface *hard_iface; \
154 hard_iface = batadv_hardif_get_by_netdev(net_dev); \
158 length = sprintf(buff, "%i\n", atomic_read(&hard_iface->_name));\
160 batadv_hardif_free_ref(hard_iface); \
164 /* Use this, if you are going to set [name] in hard_iface to an
165 * unsigned integer value
167 #define BATADV_ATTR_HIF_UINT(_name, _mode, _min, _max, _post_func) \
168 static BATADV_ATTR_HIF_STORE_UINT(_name, _min, _max, _post_func)\
169 static BATADV_ATTR_HIF_SHOW_UINT(_name) \
170 static BATADV_ATTR(_name, _mode, batadv_show_##_name, \
171 batadv_store_##_name)
174 static int batadv_store_bool_attr(char *buff
, size_t count
,
175 struct net_device
*net_dev
,
176 const char *attr_name
, atomic_t
*attr
)
180 if (buff
[count
- 1] == '\n')
181 buff
[count
- 1] = '\0';
183 if ((strncmp(buff
, "1", 2) == 0) ||
184 (strncmp(buff
, "enable", 7) == 0) ||
185 (strncmp(buff
, "enabled", 8) == 0))
188 if ((strncmp(buff
, "0", 2) == 0) ||
189 (strncmp(buff
, "disable", 8) == 0) ||
190 (strncmp(buff
, "disabled", 9) == 0))
194 batadv_info(net_dev
, "%s: Invalid parameter received: %s\n",
199 if (atomic_read(attr
) == enabled
)
202 batadv_info(net_dev
, "%s: Changing from: %s to: %s\n", attr_name
,
203 atomic_read(attr
) == 1 ? "enabled" : "disabled",
204 enabled
== 1 ? "enabled" : "disabled");
206 atomic_set(attr
, (unsigned int)enabled
);
210 static inline ssize_t
211 __batadv_store_bool_attr(char *buff
, size_t count
,
212 void (*post_func
)(struct net_device
*),
213 struct attribute
*attr
,
214 atomic_t
*attr_store
, struct net_device
*net_dev
)
218 ret
= batadv_store_bool_attr(buff
, count
, net_dev
, attr
->name
,
220 if (post_func
&& ret
)
226 static int batadv_store_uint_attr(const char *buff
, size_t count
,
227 struct net_device
*net_dev
,
228 const char *attr_name
,
229 unsigned int min
, unsigned int max
,
232 unsigned long uint_val
;
235 ret
= kstrtoul(buff
, 10, &uint_val
);
237 batadv_info(net_dev
, "%s: Invalid parameter received: %s\n",
242 if (uint_val
< min
) {
243 batadv_info(net_dev
, "%s: Value is too small: %lu min: %u\n",
244 attr_name
, uint_val
, min
);
248 if (uint_val
> max
) {
249 batadv_info(net_dev
, "%s: Value is too big: %lu max: %u\n",
250 attr_name
, uint_val
, max
);
254 if (atomic_read(attr
) == uint_val
)
257 batadv_info(net_dev
, "%s: Changing from: %i to: %lu\n",
258 attr_name
, atomic_read(attr
), uint_val
);
260 atomic_set(attr
, uint_val
);
264 static inline ssize_t
265 __batadv_store_uint_attr(const char *buff
, size_t count
,
267 void (*post_func
)(struct net_device
*),
268 const struct attribute
*attr
,
269 atomic_t
*attr_store
, struct net_device
*net_dev
)
273 ret
= batadv_store_uint_attr(buff
, count
, net_dev
, attr
->name
, min
, max
,
275 if (post_func
&& ret
)
281 static ssize_t
batadv_show_vis_mode(struct kobject
*kobj
,
282 struct attribute
*attr
, char *buff
)
284 struct batadv_priv
*bat_priv
= batadv_kobj_to_batpriv(kobj
);
285 int vis_mode
= atomic_read(&bat_priv
->vis_mode
);
288 if (vis_mode
== BATADV_VIS_TYPE_CLIENT_UPDATE
)
293 return sprintf(buff
, "%s\n", mode
);
296 static ssize_t
batadv_store_vis_mode(struct kobject
*kobj
,
297 struct attribute
*attr
, char *buff
,
300 struct net_device
*net_dev
= batadv_kobj_to_netdev(kobj
);
301 struct batadv_priv
*bat_priv
= netdev_priv(net_dev
);
303 int ret
, vis_mode_tmp
= -1;
304 const char *old_mode
, *new_mode
;
306 ret
= kstrtoul(buff
, 10, &val
);
308 if (((count
== 2) && (!ret
) &&
309 (val
== BATADV_VIS_TYPE_CLIENT_UPDATE
)) ||
310 (strncmp(buff
, "client", 6) == 0) ||
311 (strncmp(buff
, "off", 3) == 0))
312 vis_mode_tmp
= BATADV_VIS_TYPE_CLIENT_UPDATE
;
314 if (((count
== 2) && (!ret
) &&
315 (val
== BATADV_VIS_TYPE_SERVER_SYNC
)) ||
316 (strncmp(buff
, "server", 6) == 0))
317 vis_mode_tmp
= BATADV_VIS_TYPE_SERVER_SYNC
;
319 if (vis_mode_tmp
< 0) {
320 if (buff
[count
- 1] == '\n')
321 buff
[count
- 1] = '\0';
324 "Invalid parameter for 'vis mode' setting received: %s\n",
329 if (atomic_read(&bat_priv
->vis_mode
) == vis_mode_tmp
)
332 if (atomic_read(&bat_priv
->vis_mode
) == BATADV_VIS_TYPE_CLIENT_UPDATE
)
337 if (vis_mode_tmp
== BATADV_VIS_TYPE_CLIENT_UPDATE
)
342 batadv_info(net_dev
, "Changing vis mode from: %s to: %s\n", old_mode
,
345 atomic_set(&bat_priv
->vis_mode
, (unsigned int)vis_mode_tmp
);
349 static ssize_t
batadv_show_bat_algo(struct kobject
*kobj
,
350 struct attribute
*attr
, char *buff
)
352 struct batadv_priv
*bat_priv
= batadv_kobj_to_batpriv(kobj
);
353 return sprintf(buff
, "%s\n", bat_priv
->bat_algo_ops
->name
);
356 static void batadv_post_gw_deselect(struct net_device
*net_dev
)
358 struct batadv_priv
*bat_priv
= netdev_priv(net_dev
);
359 batadv_gw_deselect(bat_priv
);
362 static ssize_t
batadv_show_gw_mode(struct kobject
*kobj
, struct attribute
*attr
,
365 struct batadv_priv
*bat_priv
= batadv_kobj_to_batpriv(kobj
);
368 switch (atomic_read(&bat_priv
->gw_mode
)) {
369 case BATADV_GW_MODE_CLIENT
:
370 bytes_written
= sprintf(buff
, "%s\n",
371 BATADV_GW_MODE_CLIENT_NAME
);
373 case BATADV_GW_MODE_SERVER
:
374 bytes_written
= sprintf(buff
, "%s\n",
375 BATADV_GW_MODE_SERVER_NAME
);
378 bytes_written
= sprintf(buff
, "%s\n",
379 BATADV_GW_MODE_OFF_NAME
);
383 return bytes_written
;
386 static ssize_t
batadv_store_gw_mode(struct kobject
*kobj
,
387 struct attribute
*attr
, char *buff
,
390 struct net_device
*net_dev
= batadv_kobj_to_netdev(kobj
);
391 struct batadv_priv
*bat_priv
= netdev_priv(net_dev
);
392 char *curr_gw_mode_str
;
393 int gw_mode_tmp
= -1;
395 if (buff
[count
- 1] == '\n')
396 buff
[count
- 1] = '\0';
398 if (strncmp(buff
, BATADV_GW_MODE_OFF_NAME
,
399 strlen(BATADV_GW_MODE_OFF_NAME
)) == 0)
400 gw_mode_tmp
= BATADV_GW_MODE_OFF
;
402 if (strncmp(buff
, BATADV_GW_MODE_CLIENT_NAME
,
403 strlen(BATADV_GW_MODE_CLIENT_NAME
)) == 0)
404 gw_mode_tmp
= BATADV_GW_MODE_CLIENT
;
406 if (strncmp(buff
, BATADV_GW_MODE_SERVER_NAME
,
407 strlen(BATADV_GW_MODE_SERVER_NAME
)) == 0)
408 gw_mode_tmp
= BATADV_GW_MODE_SERVER
;
410 if (gw_mode_tmp
< 0) {
412 "Invalid parameter for 'gw mode' setting received: %s\n",
417 if (atomic_read(&bat_priv
->gw_mode
) == gw_mode_tmp
)
420 switch (atomic_read(&bat_priv
->gw_mode
)) {
421 case BATADV_GW_MODE_CLIENT
:
422 curr_gw_mode_str
= BATADV_GW_MODE_CLIENT_NAME
;
424 case BATADV_GW_MODE_SERVER
:
425 curr_gw_mode_str
= BATADV_GW_MODE_SERVER_NAME
;
428 curr_gw_mode_str
= BATADV_GW_MODE_OFF_NAME
;
432 batadv_info(net_dev
, "Changing gw mode from: %s to: %s\n",
433 curr_gw_mode_str
, buff
);
435 batadv_gw_deselect(bat_priv
);
436 atomic_set(&bat_priv
->gw_mode
, (unsigned int)gw_mode_tmp
);
440 static ssize_t
batadv_show_gw_bwidth(struct kobject
*kobj
,
441 struct attribute
*attr
, char *buff
)
443 struct batadv_priv
*bat_priv
= batadv_kobj_to_batpriv(kobj
);
445 int gw_bandwidth
= atomic_read(&bat_priv
->gw_bandwidth
);
447 batadv_gw_bandwidth_to_kbit(gw_bandwidth
, &down
, &up
);
448 return sprintf(buff
, "%i%s/%i%s\n",
449 (down
> 2048 ? down
/ 1024 : down
),
450 (down
> 2048 ? "MBit" : "KBit"),
451 (up
> 2048 ? up
/ 1024 : up
),
452 (up
> 2048 ? "MBit" : "KBit"));
455 static ssize_t
batadv_store_gw_bwidth(struct kobject
*kobj
,
456 struct attribute
*attr
, char *buff
,
459 struct net_device
*net_dev
= batadv_kobj_to_netdev(kobj
);
461 if (buff
[count
- 1] == '\n')
462 buff
[count
- 1] = '\0';
464 return batadv_gw_bandwidth_set(net_dev
, buff
, count
);
467 BATADV_ATTR_SIF_BOOL(aggregated_ogms
, S_IRUGO
| S_IWUSR
, NULL
);
468 BATADV_ATTR_SIF_BOOL(bonding
, S_IRUGO
| S_IWUSR
, NULL
);
469 #ifdef CONFIG_BATMAN_ADV_BLA
470 BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance
, S_IRUGO
| S_IWUSR
, NULL
);
472 BATADV_ATTR_SIF_BOOL(fragmentation
, S_IRUGO
| S_IWUSR
, batadv_update_min_mtu
);
473 BATADV_ATTR_SIF_BOOL(ap_isolation
, S_IRUGO
| S_IWUSR
, NULL
);
474 static BATADV_ATTR(vis_mode
, S_IRUGO
| S_IWUSR
, batadv_show_vis_mode
,
475 batadv_store_vis_mode
);
476 static BATADV_ATTR(routing_algo
, S_IRUGO
, batadv_show_bat_algo
, NULL
);
477 static BATADV_ATTR(gw_mode
, S_IRUGO
| S_IWUSR
, batadv_show_gw_mode
,
478 batadv_store_gw_mode
);
479 BATADV_ATTR_SIF_UINT(orig_interval
, S_IRUGO
| S_IWUSR
, 2 * BATADV_JITTER
,
481 BATADV_ATTR_SIF_UINT(hop_penalty
, S_IRUGO
| S_IWUSR
, 0, BATADV_TQ_MAX_VALUE
,
483 BATADV_ATTR_SIF_UINT(gw_sel_class
, S_IRUGO
| S_IWUSR
, 1, BATADV_TQ_MAX_VALUE
,
484 batadv_post_gw_deselect
);
485 static BATADV_ATTR(gw_bandwidth
, S_IRUGO
| S_IWUSR
, batadv_show_gw_bwidth
,
486 batadv_store_gw_bwidth
);
487 #ifdef CONFIG_BATMAN_ADV_DEBUG
488 BATADV_ATTR_SIF_UINT(log_level
, S_IRUGO
| S_IWUSR
, 0, BATADV_DBG_ALL
, NULL
);
491 static struct batadv_attribute
*batadv_mesh_attrs
[] = {
492 &batadv_attr_aggregated_ogms
,
493 &batadv_attr_bonding
,
494 #ifdef CONFIG_BATMAN_ADV_BLA
495 &batadv_attr_bridge_loop_avoidance
,
497 &batadv_attr_fragmentation
,
498 &batadv_attr_ap_isolation
,
499 &batadv_attr_vis_mode
,
500 &batadv_attr_routing_algo
,
501 &batadv_attr_gw_mode
,
502 &batadv_attr_orig_interval
,
503 &batadv_attr_hop_penalty
,
504 &batadv_attr_gw_sel_class
,
505 &batadv_attr_gw_bandwidth
,
506 #ifdef CONFIG_BATMAN_ADV_DEBUG
507 &batadv_attr_log_level
,
512 int batadv_sysfs_add_meshif(struct net_device
*dev
)
514 struct kobject
*batif_kobject
= &dev
->dev
.kobj
;
515 struct batadv_priv
*bat_priv
= netdev_priv(dev
);
516 struct batadv_attribute
**bat_attr
;
519 bat_priv
->mesh_obj
= kobject_create_and_add(BATADV_SYSFS_IF_MESH_SUBDIR
,
521 if (!bat_priv
->mesh_obj
) {
522 batadv_err(dev
, "Can't add sysfs directory: %s/%s\n", dev
->name
,
523 BATADV_SYSFS_IF_MESH_SUBDIR
);
527 for (bat_attr
= batadv_mesh_attrs
; *bat_attr
; ++bat_attr
) {
528 err
= sysfs_create_file(bat_priv
->mesh_obj
,
529 &((*bat_attr
)->attr
));
531 batadv_err(dev
, "Can't add sysfs file: %s/%s/%s\n",
532 dev
->name
, BATADV_SYSFS_IF_MESH_SUBDIR
,
533 ((*bat_attr
)->attr
).name
);
541 for (bat_attr
= batadv_mesh_attrs
; *bat_attr
; ++bat_attr
)
542 sysfs_remove_file(bat_priv
->mesh_obj
, &((*bat_attr
)->attr
));
544 kobject_put(bat_priv
->mesh_obj
);
545 bat_priv
->mesh_obj
= NULL
;
550 void batadv_sysfs_del_meshif(struct net_device
*dev
)
552 struct batadv_priv
*bat_priv
= netdev_priv(dev
);
553 struct batadv_attribute
**bat_attr
;
555 for (bat_attr
= batadv_mesh_attrs
; *bat_attr
; ++bat_attr
)
556 sysfs_remove_file(bat_priv
->mesh_obj
, &((*bat_attr
)->attr
));
558 kobject_put(bat_priv
->mesh_obj
);
559 bat_priv
->mesh_obj
= NULL
;
562 static ssize_t
batadv_show_mesh_iface(struct kobject
*kobj
,
563 struct attribute
*attr
, char *buff
)
565 struct net_device
*net_dev
= batadv_kobj_to_netdev(kobj
);
566 struct batadv_hard_iface
*hard_iface
;
570 hard_iface
= batadv_hardif_get_by_netdev(net_dev
);
574 if (hard_iface
->if_status
== BATADV_IF_NOT_IN_USE
)
577 ifname
= hard_iface
->soft_iface
->name
;
579 length
= sprintf(buff
, "%s\n", ifname
);
581 batadv_hardif_free_ref(hard_iface
);
586 static ssize_t
batadv_store_mesh_iface(struct kobject
*kobj
,
587 struct attribute
*attr
, char *buff
,
590 struct net_device
*net_dev
= batadv_kobj_to_netdev(kobj
);
591 struct batadv_hard_iface
*hard_iface
;
595 hard_iface
= batadv_hardif_get_by_netdev(net_dev
);
599 if (buff
[count
- 1] == '\n')
600 buff
[count
- 1] = '\0';
602 if (strlen(buff
) >= IFNAMSIZ
) {
603 pr_err("Invalid parameter for 'mesh_iface' setting received: interface name too long '%s'\n",
605 batadv_hardif_free_ref(hard_iface
);
609 if (strncmp(buff
, "none", 4) == 0)
610 status_tmp
= BATADV_IF_NOT_IN_USE
;
612 status_tmp
= BATADV_IF_I_WANT_YOU
;
614 if (hard_iface
->if_status
== status_tmp
)
617 if ((hard_iface
->soft_iface
) &&
618 (strncmp(hard_iface
->soft_iface
->name
, buff
, IFNAMSIZ
) == 0))
621 if (!rtnl_trylock()) {
626 if (status_tmp
== BATADV_IF_NOT_IN_USE
) {
627 batadv_hardif_disable_interface(hard_iface
);
631 /* if the interface already is in use */
632 if (hard_iface
->if_status
!= BATADV_IF_NOT_IN_USE
)
633 batadv_hardif_disable_interface(hard_iface
);
635 ret
= batadv_hardif_enable_interface(hard_iface
, buff
);
640 batadv_hardif_free_ref(hard_iface
);
644 static ssize_t
batadv_show_iface_status(struct kobject
*kobj
,
645 struct attribute
*attr
, char *buff
)
647 struct net_device
*net_dev
= batadv_kobj_to_netdev(kobj
);
648 struct batadv_hard_iface
*hard_iface
;
651 hard_iface
= batadv_hardif_get_by_netdev(net_dev
);
655 switch (hard_iface
->if_status
) {
656 case BATADV_IF_TO_BE_REMOVED
:
657 length
= sprintf(buff
, "disabling\n");
659 case BATADV_IF_INACTIVE
:
660 length
= sprintf(buff
, "inactive\n");
662 case BATADV_IF_ACTIVE
:
663 length
= sprintf(buff
, "active\n");
665 case BATADV_IF_TO_BE_ACTIVATED
:
666 length
= sprintf(buff
, "enabling\n");
668 case BATADV_IF_NOT_IN_USE
:
670 length
= sprintf(buff
, "not in use\n");
674 batadv_hardif_free_ref(hard_iface
);
679 static BATADV_ATTR(mesh_iface
, S_IRUGO
| S_IWUSR
, batadv_show_mesh_iface
,
680 batadv_store_mesh_iface
);
681 static BATADV_ATTR(iface_status
, S_IRUGO
, batadv_show_iface_status
, NULL
);
683 static struct batadv_attribute
*batadv_batman_attrs
[] = {
684 &batadv_attr_mesh_iface
,
685 &batadv_attr_iface_status
,
689 int batadv_sysfs_add_hardif(struct kobject
**hardif_obj
, struct net_device
*dev
)
691 struct kobject
*hardif_kobject
= &dev
->dev
.kobj
;
692 struct batadv_attribute
**bat_attr
;
695 *hardif_obj
= kobject_create_and_add(BATADV_SYSFS_IF_BAT_SUBDIR
,
699 batadv_err(dev
, "Can't add sysfs directory: %s/%s\n", dev
->name
,
700 BATADV_SYSFS_IF_BAT_SUBDIR
);
704 for (bat_attr
= batadv_batman_attrs
; *bat_attr
; ++bat_attr
) {
705 err
= sysfs_create_file(*hardif_obj
, &((*bat_attr
)->attr
));
707 batadv_err(dev
, "Can't add sysfs file: %s/%s/%s\n",
708 dev
->name
, BATADV_SYSFS_IF_BAT_SUBDIR
,
709 ((*bat_attr
)->attr
).name
);
717 for (bat_attr
= batadv_batman_attrs
; *bat_attr
; ++bat_attr
)
718 sysfs_remove_file(*hardif_obj
, &((*bat_attr
)->attr
));
723 void batadv_sysfs_del_hardif(struct kobject
**hardif_obj
)
725 kobject_put(*hardif_obj
);
729 int batadv_throw_uevent(struct batadv_priv
*bat_priv
, enum batadv_uev_type type
,
730 enum batadv_uev_action action
, const char *data
)
733 struct batadv_hard_iface
*primary_if
= NULL
;
734 struct kobject
*bat_kobj
;
735 char *uevent_env
[4] = { NULL
, NULL
, NULL
, NULL
};
737 primary_if
= batadv_primary_if_get_selected(bat_priv
);
741 bat_kobj
= &primary_if
->soft_iface
->dev
.kobj
;
743 uevent_env
[0] = kmalloc(strlen(BATADV_UEV_TYPE_VAR
) +
744 strlen(batadv_uev_type_str
[type
]) + 1,
749 sprintf(uevent_env
[0], "%s%s", BATADV_UEV_TYPE_VAR
,
750 batadv_uev_type_str
[type
]);
752 uevent_env
[1] = kmalloc(strlen(BATADV_UEV_ACTION_VAR
) +
753 strlen(batadv_uev_action_str
[action
]) + 1,
758 sprintf(uevent_env
[1], "%s%s", BATADV_UEV_ACTION_VAR
,
759 batadv_uev_action_str
[action
]);
761 /* If the event is DEL, ignore the data field */
762 if (action
!= BATADV_UEV_DEL
) {
763 uevent_env
[2] = kmalloc(strlen(BATADV_UEV_DATA_VAR
) +
764 strlen(data
) + 1, GFP_ATOMIC
);
768 sprintf(uevent_env
[2], "%s%s", BATADV_UEV_DATA_VAR
, data
);
771 ret
= kobject_uevent_env(bat_kobj
, KOBJ_CHANGE
, uevent_env
);
773 kfree(uevent_env
[0]);
774 kfree(uevent_env
[1]);
775 kfree(uevent_env
[2]);
778 batadv_hardif_free_ref(primary_if
);
781 batadv_dbg(BATADV_DBG_BATMAN
, bat_priv
,
782 "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n",
783 batadv_uev_type_str
[type
],
784 batadv_uev_action_str
[action
],
785 (action
== BATADV_UEV_DEL
? "NULL" : data
), ret
);