1 /* Copyright (C) 2010-2013 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 "distributed-arp-table.h"
24 #include "originator.h"
25 #include "hard-interface.h"
26 #include "gateway_common.h"
27 #include "gateway_client.h"
30 static struct net_device
*batadv_kobj_to_netdev(struct kobject
*obj
)
32 struct device
*dev
= container_of(obj
->parent
, struct device
, kobj
);
33 return to_net_dev(dev
);
36 static struct batadv_priv
*batadv_kobj_to_batpriv(struct kobject
*obj
)
38 struct net_device
*net_dev
= batadv_kobj_to_netdev(obj
);
39 return netdev_priv(net_dev
);
42 #define BATADV_UEV_TYPE_VAR "BATTYPE="
43 #define BATADV_UEV_ACTION_VAR "BATACTION="
44 #define BATADV_UEV_DATA_VAR "BATDATA="
46 static char *batadv_uev_action_str
[] = {
52 static char *batadv_uev_type_str
[] = {
56 /* Use this, if you have customized show and store functions */
57 #define BATADV_ATTR(_name, _mode, _show, _store) \
58 struct batadv_attribute batadv_attr_##_name = { \
59 .attr = {.name = __stringify(_name), \
65 #define BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \
66 ssize_t batadv_store_##_name(struct kobject *kobj, \
67 struct attribute *attr, char *buff, \
70 struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
71 struct batadv_priv *bat_priv = netdev_priv(net_dev); \
72 return __batadv_store_bool_attr(buff, count, _post_func, attr, \
73 &bat_priv->_name, net_dev); \
76 #define BATADV_ATTR_SIF_SHOW_BOOL(_name) \
77 ssize_t batadv_show_##_name(struct kobject *kobj, \
78 struct attribute *attr, char *buff) \
80 struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
81 return sprintf(buff, "%s\n", \
82 atomic_read(&bat_priv->_name) == 0 ? \
83 "disabled" : "enabled"); \
86 /* Use this, if you are going to turn a [name] in the soft-interface
87 * (bat_priv) on or off
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, \
96 #define BATADV_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \
97 ssize_t batadv_store_##_name(struct kobject *kobj, \
98 struct attribute *attr, char *buff, \
101 struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
102 struct batadv_priv *bat_priv = netdev_priv(net_dev); \
103 return __batadv_store_uint_attr(buff, count, _min, _max, \
105 &bat_priv->_name, net_dev); \
108 #define BATADV_ATTR_SIF_SHOW_UINT(_name) \
109 ssize_t batadv_show_##_name(struct kobject *kobj, \
110 struct attribute *attr, char *buff) \
112 struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
113 return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \
116 /* Use this, if you are going to set [name] in the soft-interface
117 * (bat_priv) to an unsigned integer value
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)
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
)
132 if (buff
[count
- 1] == '\n')
133 buff
[count
- 1] = '\0';
135 if ((strncmp(buff
, "1", 2) == 0) ||
136 (strncmp(buff
, "enable", 7) == 0) ||
137 (strncmp(buff
, "enabled", 8) == 0))
140 if ((strncmp(buff
, "0", 2) == 0) ||
141 (strncmp(buff
, "disable", 8) == 0) ||
142 (strncmp(buff
, "disabled", 9) == 0))
146 batadv_info(net_dev
, "%s: Invalid parameter received: %s\n",
151 if (atomic_read(attr
) == enabled
)
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");
158 atomic_set(attr
, (unsigned int)enabled
);
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
)
170 ret
= batadv_store_bool_attr(buff
, count
, net_dev
, attr
->name
,
172 if (post_func
&& ret
)
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
,
184 unsigned long uint_val
;
187 ret
= kstrtoul(buff
, 10, &uint_val
);
189 batadv_info(net_dev
, "%s: Invalid parameter received: %s\n",
194 if (uint_val
< min
) {
195 batadv_info(net_dev
, "%s: Value is too small: %lu min: %u\n",
196 attr_name
, uint_val
, min
);
200 if (uint_val
> max
) {
201 batadv_info(net_dev
, "%s: Value is too big: %lu max: %u\n",
202 attr_name
, uint_val
, max
);
206 if (atomic_read(attr
) == uint_val
)
209 batadv_info(net_dev
, "%s: Changing from: %i to: %lu\n",
210 attr_name
, atomic_read(attr
), uint_val
);
212 atomic_set(attr
, uint_val
);
216 static inline ssize_t
217 __batadv_store_uint_attr(const char *buff
, size_t count
,
219 void (*post_func
)(struct net_device
*),
220 const struct attribute
*attr
,
221 atomic_t
*attr_store
, struct net_device
*net_dev
)
225 ret
= batadv_store_uint_attr(buff
, count
, net_dev
, attr
->name
, min
, max
,
227 if (post_func
&& ret
)
233 static ssize_t
batadv_show_vis_mode(struct kobject
*kobj
,
234 struct attribute
*attr
, char *buff
)
236 struct batadv_priv
*bat_priv
= batadv_kobj_to_batpriv(kobj
);
237 int vis_mode
= atomic_read(&bat_priv
->vis_mode
);
240 if (vis_mode
== BATADV_VIS_TYPE_CLIENT_UPDATE
)
245 return sprintf(buff
, "%s\n", mode
);
248 static ssize_t
batadv_store_vis_mode(struct kobject
*kobj
,
249 struct attribute
*attr
, char *buff
,
252 struct net_device
*net_dev
= batadv_kobj_to_netdev(kobj
);
253 struct batadv_priv
*bat_priv
= netdev_priv(net_dev
);
255 int ret
, vis_mode_tmp
= -1;
256 const char *old_mode
, *new_mode
;
258 ret
= kstrtoul(buff
, 10, &val
);
260 if (((count
== 2) && (!ret
) &&
261 (val
== BATADV_VIS_TYPE_CLIENT_UPDATE
)) ||
262 (strncmp(buff
, "client", 6) == 0) ||
263 (strncmp(buff
, "off", 3) == 0))
264 vis_mode_tmp
= BATADV_VIS_TYPE_CLIENT_UPDATE
;
266 if (((count
== 2) && (!ret
) &&
267 (val
== BATADV_VIS_TYPE_SERVER_SYNC
)) ||
268 (strncmp(buff
, "server", 6) == 0))
269 vis_mode_tmp
= BATADV_VIS_TYPE_SERVER_SYNC
;
271 if (vis_mode_tmp
< 0) {
272 if (buff
[count
- 1] == '\n')
273 buff
[count
- 1] = '\0';
276 "Invalid parameter for 'vis mode' setting received: %s\n",
281 if (atomic_read(&bat_priv
->vis_mode
) == vis_mode_tmp
)
284 if (atomic_read(&bat_priv
->vis_mode
) == BATADV_VIS_TYPE_CLIENT_UPDATE
)
289 if (vis_mode_tmp
== BATADV_VIS_TYPE_CLIENT_UPDATE
)
294 batadv_info(net_dev
, "Changing vis mode from: %s to: %s\n", old_mode
,
297 atomic_set(&bat_priv
->vis_mode
, (unsigned int)vis_mode_tmp
);
301 static ssize_t
batadv_show_bat_algo(struct kobject
*kobj
,
302 struct attribute
*attr
, char *buff
)
304 struct batadv_priv
*bat_priv
= batadv_kobj_to_batpriv(kobj
);
305 return sprintf(buff
, "%s\n", bat_priv
->bat_algo_ops
->name
);
308 static void batadv_post_gw_deselect(struct net_device
*net_dev
)
310 struct batadv_priv
*bat_priv
= netdev_priv(net_dev
);
311 batadv_gw_deselect(bat_priv
);
314 static ssize_t
batadv_show_gw_mode(struct kobject
*kobj
, struct attribute
*attr
,
317 struct batadv_priv
*bat_priv
= batadv_kobj_to_batpriv(kobj
);
320 switch (atomic_read(&bat_priv
->gw_mode
)) {
321 case BATADV_GW_MODE_CLIENT
:
322 bytes_written
= sprintf(buff
, "%s\n",
323 BATADV_GW_MODE_CLIENT_NAME
);
325 case BATADV_GW_MODE_SERVER
:
326 bytes_written
= sprintf(buff
, "%s\n",
327 BATADV_GW_MODE_SERVER_NAME
);
330 bytes_written
= sprintf(buff
, "%s\n",
331 BATADV_GW_MODE_OFF_NAME
);
335 return bytes_written
;
338 static ssize_t
batadv_store_gw_mode(struct kobject
*kobj
,
339 struct attribute
*attr
, char *buff
,
342 struct net_device
*net_dev
= batadv_kobj_to_netdev(kobj
);
343 struct batadv_priv
*bat_priv
= netdev_priv(net_dev
);
344 char *curr_gw_mode_str
;
345 int gw_mode_tmp
= -1;
347 if (buff
[count
- 1] == '\n')
348 buff
[count
- 1] = '\0';
350 if (strncmp(buff
, BATADV_GW_MODE_OFF_NAME
,
351 strlen(BATADV_GW_MODE_OFF_NAME
)) == 0)
352 gw_mode_tmp
= BATADV_GW_MODE_OFF
;
354 if (strncmp(buff
, BATADV_GW_MODE_CLIENT_NAME
,
355 strlen(BATADV_GW_MODE_CLIENT_NAME
)) == 0)
356 gw_mode_tmp
= BATADV_GW_MODE_CLIENT
;
358 if (strncmp(buff
, BATADV_GW_MODE_SERVER_NAME
,
359 strlen(BATADV_GW_MODE_SERVER_NAME
)) == 0)
360 gw_mode_tmp
= BATADV_GW_MODE_SERVER
;
362 if (gw_mode_tmp
< 0) {
364 "Invalid parameter for 'gw mode' setting received: %s\n",
369 if (atomic_read(&bat_priv
->gw_mode
) == gw_mode_tmp
)
372 switch (atomic_read(&bat_priv
->gw_mode
)) {
373 case BATADV_GW_MODE_CLIENT
:
374 curr_gw_mode_str
= BATADV_GW_MODE_CLIENT_NAME
;
376 case BATADV_GW_MODE_SERVER
:
377 curr_gw_mode_str
= BATADV_GW_MODE_SERVER_NAME
;
380 curr_gw_mode_str
= BATADV_GW_MODE_OFF_NAME
;
384 batadv_info(net_dev
, "Changing gw mode from: %s to: %s\n",
385 curr_gw_mode_str
, buff
);
387 batadv_gw_deselect(bat_priv
);
388 atomic_set(&bat_priv
->gw_mode
, (unsigned int)gw_mode_tmp
);
392 static ssize_t
batadv_show_gw_bwidth(struct kobject
*kobj
,
393 struct attribute
*attr
, char *buff
)
395 struct batadv_priv
*bat_priv
= batadv_kobj_to_batpriv(kobj
);
397 int gw_bandwidth
= atomic_read(&bat_priv
->gw_bandwidth
);
399 batadv_gw_bandwidth_to_kbit(gw_bandwidth
, &down
, &up
);
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"));
407 static ssize_t
batadv_store_gw_bwidth(struct kobject
*kobj
,
408 struct attribute
*attr
, char *buff
,
411 struct net_device
*net_dev
= batadv_kobj_to_netdev(kobj
);
413 if (buff
[count
- 1] == '\n')
414 buff
[count
- 1] = '\0';
416 return batadv_gw_bandwidth_set(net_dev
, buff
, count
);
419 BATADV_ATTR_SIF_BOOL(aggregated_ogms
, S_IRUGO
| S_IWUSR
, NULL
);
420 BATADV_ATTR_SIF_BOOL(bonding
, S_IRUGO
| S_IWUSR
, NULL
);
421 #ifdef CONFIG_BATMAN_ADV_BLA
422 BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance
, S_IRUGO
| S_IWUSR
, NULL
);
424 #ifdef CONFIG_BATMAN_ADV_DAT
425 BATADV_ATTR_SIF_BOOL(distributed_arp_table
, S_IRUGO
| S_IWUSR
, NULL
);
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
);
434 BATADV_ATTR_SIF_UINT(orig_interval
, S_IRUGO
| S_IWUSR
, 2 * BATADV_JITTER
,
436 BATADV_ATTR_SIF_UINT(hop_penalty
, S_IRUGO
| S_IWUSR
, 0, BATADV_TQ_MAX_VALUE
,
438 BATADV_ATTR_SIF_UINT(gw_sel_class
, S_IRUGO
| S_IWUSR
, 1, BATADV_TQ_MAX_VALUE
,
439 batadv_post_gw_deselect
);
440 static BATADV_ATTR(gw_bandwidth
, S_IRUGO
| S_IWUSR
, batadv_show_gw_bwidth
,
441 batadv_store_gw_bwidth
);
442 #ifdef CONFIG_BATMAN_ADV_DEBUG
443 BATADV_ATTR_SIF_UINT(log_level
, S_IRUGO
| S_IWUSR
, 0, BATADV_DBG_ALL
, NULL
);
445 #ifdef CONFIG_BATMAN_ADV_NC
446 BATADV_ATTR_SIF_BOOL(network_coding
, S_IRUGO
| S_IWUSR
, NULL
);
449 static struct batadv_attribute
*batadv_mesh_attrs
[] = {
450 &batadv_attr_aggregated_ogms
,
451 &batadv_attr_bonding
,
452 #ifdef CONFIG_BATMAN_ADV_BLA
453 &batadv_attr_bridge_loop_avoidance
,
455 #ifdef CONFIG_BATMAN_ADV_DAT
456 &batadv_attr_distributed_arp_table
,
458 &batadv_attr_fragmentation
,
459 &batadv_attr_ap_isolation
,
460 &batadv_attr_vis_mode
,
461 &batadv_attr_routing_algo
,
462 &batadv_attr_gw_mode
,
463 &batadv_attr_orig_interval
,
464 &batadv_attr_hop_penalty
,
465 &batadv_attr_gw_sel_class
,
466 &batadv_attr_gw_bandwidth
,
467 #ifdef CONFIG_BATMAN_ADV_DEBUG
468 &batadv_attr_log_level
,
470 #ifdef CONFIG_BATMAN_ADV_NC
471 &batadv_attr_network_coding
,
476 int batadv_sysfs_add_meshif(struct net_device
*dev
)
478 struct kobject
*batif_kobject
= &dev
->dev
.kobj
;
479 struct batadv_priv
*bat_priv
= netdev_priv(dev
);
480 struct batadv_attribute
**bat_attr
;
483 bat_priv
->mesh_obj
= kobject_create_and_add(BATADV_SYSFS_IF_MESH_SUBDIR
,
485 if (!bat_priv
->mesh_obj
) {
486 batadv_err(dev
, "Can't add sysfs directory: %s/%s\n", dev
->name
,
487 BATADV_SYSFS_IF_MESH_SUBDIR
);
491 for (bat_attr
= batadv_mesh_attrs
; *bat_attr
; ++bat_attr
) {
492 err
= sysfs_create_file(bat_priv
->mesh_obj
,
493 &((*bat_attr
)->attr
));
495 batadv_err(dev
, "Can't add sysfs file: %s/%s/%s\n",
496 dev
->name
, BATADV_SYSFS_IF_MESH_SUBDIR
,
497 ((*bat_attr
)->attr
).name
);
505 for (bat_attr
= batadv_mesh_attrs
; *bat_attr
; ++bat_attr
)
506 sysfs_remove_file(bat_priv
->mesh_obj
, &((*bat_attr
)->attr
));
508 kobject_put(bat_priv
->mesh_obj
);
509 bat_priv
->mesh_obj
= NULL
;
514 void batadv_sysfs_del_meshif(struct net_device
*dev
)
516 struct batadv_priv
*bat_priv
= netdev_priv(dev
);
517 struct batadv_attribute
**bat_attr
;
519 for (bat_attr
= batadv_mesh_attrs
; *bat_attr
; ++bat_attr
)
520 sysfs_remove_file(bat_priv
->mesh_obj
, &((*bat_attr
)->attr
));
522 kobject_put(bat_priv
->mesh_obj
);
523 bat_priv
->mesh_obj
= NULL
;
526 static ssize_t
batadv_show_mesh_iface(struct kobject
*kobj
,
527 struct attribute
*attr
, char *buff
)
529 struct net_device
*net_dev
= batadv_kobj_to_netdev(kobj
);
530 struct batadv_hard_iface
*hard_iface
;
534 hard_iface
= batadv_hardif_get_by_netdev(net_dev
);
538 if (hard_iface
->if_status
== BATADV_IF_NOT_IN_USE
)
541 ifname
= hard_iface
->soft_iface
->name
;
543 length
= sprintf(buff
, "%s\n", ifname
);
545 batadv_hardif_free_ref(hard_iface
);
550 static ssize_t
batadv_store_mesh_iface(struct kobject
*kobj
,
551 struct attribute
*attr
, char *buff
,
554 struct net_device
*net_dev
= batadv_kobj_to_netdev(kobj
);
555 struct batadv_hard_iface
*hard_iface
;
559 hard_iface
= batadv_hardif_get_by_netdev(net_dev
);
563 if (buff
[count
- 1] == '\n')
564 buff
[count
- 1] = '\0';
566 if (strlen(buff
) >= IFNAMSIZ
) {
567 pr_err("Invalid parameter for 'mesh_iface' setting received: interface name too long '%s'\n",
569 batadv_hardif_free_ref(hard_iface
);
573 if (strncmp(buff
, "none", 4) == 0)
574 status_tmp
= BATADV_IF_NOT_IN_USE
;
576 status_tmp
= BATADV_IF_I_WANT_YOU
;
578 if (hard_iface
->if_status
== status_tmp
)
581 if ((hard_iface
->soft_iface
) &&
582 (strncmp(hard_iface
->soft_iface
->name
, buff
, IFNAMSIZ
) == 0))
587 if (status_tmp
== BATADV_IF_NOT_IN_USE
) {
588 batadv_hardif_disable_interface(hard_iface
,
589 BATADV_IF_CLEANUP_AUTO
);
593 /* if the interface already is in use */
594 if (hard_iface
->if_status
!= BATADV_IF_NOT_IN_USE
)
595 batadv_hardif_disable_interface(hard_iface
,
596 BATADV_IF_CLEANUP_AUTO
);
598 ret
= batadv_hardif_enable_interface(hard_iface
, buff
);
603 batadv_hardif_free_ref(hard_iface
);
607 static ssize_t
batadv_show_iface_status(struct kobject
*kobj
,
608 struct attribute
*attr
, char *buff
)
610 struct net_device
*net_dev
= batadv_kobj_to_netdev(kobj
);
611 struct batadv_hard_iface
*hard_iface
;
614 hard_iface
= batadv_hardif_get_by_netdev(net_dev
);
618 switch (hard_iface
->if_status
) {
619 case BATADV_IF_TO_BE_REMOVED
:
620 length
= sprintf(buff
, "disabling\n");
622 case BATADV_IF_INACTIVE
:
623 length
= sprintf(buff
, "inactive\n");
625 case BATADV_IF_ACTIVE
:
626 length
= sprintf(buff
, "active\n");
628 case BATADV_IF_TO_BE_ACTIVATED
:
629 length
= sprintf(buff
, "enabling\n");
631 case BATADV_IF_NOT_IN_USE
:
633 length
= sprintf(buff
, "not in use\n");
637 batadv_hardif_free_ref(hard_iface
);
642 static BATADV_ATTR(mesh_iface
, S_IRUGO
| S_IWUSR
, batadv_show_mesh_iface
,
643 batadv_store_mesh_iface
);
644 static BATADV_ATTR(iface_status
, S_IRUGO
, batadv_show_iface_status
, NULL
);
646 static struct batadv_attribute
*batadv_batman_attrs
[] = {
647 &batadv_attr_mesh_iface
,
648 &batadv_attr_iface_status
,
652 int batadv_sysfs_add_hardif(struct kobject
**hardif_obj
, struct net_device
*dev
)
654 struct kobject
*hardif_kobject
= &dev
->dev
.kobj
;
655 struct batadv_attribute
**bat_attr
;
658 *hardif_obj
= kobject_create_and_add(BATADV_SYSFS_IF_BAT_SUBDIR
,
662 batadv_err(dev
, "Can't add sysfs directory: %s/%s\n", dev
->name
,
663 BATADV_SYSFS_IF_BAT_SUBDIR
);
667 for (bat_attr
= batadv_batman_attrs
; *bat_attr
; ++bat_attr
) {
668 err
= sysfs_create_file(*hardif_obj
, &((*bat_attr
)->attr
));
670 batadv_err(dev
, "Can't add sysfs file: %s/%s/%s\n",
671 dev
->name
, BATADV_SYSFS_IF_BAT_SUBDIR
,
672 ((*bat_attr
)->attr
).name
);
680 for (bat_attr
= batadv_batman_attrs
; *bat_attr
; ++bat_attr
)
681 sysfs_remove_file(*hardif_obj
, &((*bat_attr
)->attr
));
686 void batadv_sysfs_del_hardif(struct kobject
**hardif_obj
)
688 kobject_put(*hardif_obj
);
692 int batadv_throw_uevent(struct batadv_priv
*bat_priv
, enum batadv_uev_type type
,
693 enum batadv_uev_action action
, const char *data
)
696 struct kobject
*bat_kobj
;
697 char *uevent_env
[4] = { NULL
, NULL
, NULL
, NULL
};
699 bat_kobj
= &bat_priv
->soft_iface
->dev
.kobj
;
701 uevent_env
[0] = kmalloc(strlen(BATADV_UEV_TYPE_VAR
) +
702 strlen(batadv_uev_type_str
[type
]) + 1,
707 sprintf(uevent_env
[0], "%s%s", BATADV_UEV_TYPE_VAR
,
708 batadv_uev_type_str
[type
]);
710 uevent_env
[1] = kmalloc(strlen(BATADV_UEV_ACTION_VAR
) +
711 strlen(batadv_uev_action_str
[action
]) + 1,
716 sprintf(uevent_env
[1], "%s%s", BATADV_UEV_ACTION_VAR
,
717 batadv_uev_action_str
[action
]);
719 /* If the event is DEL, ignore the data field */
720 if (action
!= BATADV_UEV_DEL
) {
721 uevent_env
[2] = kmalloc(strlen(BATADV_UEV_DATA_VAR
) +
722 strlen(data
) + 1, GFP_ATOMIC
);
726 sprintf(uevent_env
[2], "%s%s", BATADV_UEV_DATA_VAR
, data
);
729 ret
= kobject_uevent_env(bat_kobj
, KOBJ_CHANGE
, uevent_env
);
731 kfree(uevent_env
[0]);
732 kfree(uevent_env
[1]);
733 kfree(uevent_env
[2]);
736 batadv_dbg(BATADV_DBG_BATMAN
, bat_priv
,
737 "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n",
738 batadv_uev_type_str
[type
],
739 batadv_uev_action_str
[action
],
740 (action
== BATADV_UEV_DEL
? "NULL" : data
), ret
);