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 "network-coding.h"
25 #include "originator.h"
26 #include "hard-interface.h"
27 #include "soft-interface.h"
28 #include "gateway_common.h"
29 #include "gateway_client.h"
31 static struct net_device *batadv_kobj_to_netdev(struct kobject *obj)
33 struct device *dev = container_of(obj->parent, struct device, kobj);
34 return to_net_dev(dev);
37 static struct batadv_priv *batadv_kobj_to_batpriv(struct kobject *obj)
39 struct net_device *net_dev = batadv_kobj_to_netdev(obj);
40 return netdev_priv(net_dev);
44 * batadv_vlan_kobj_to_batpriv - convert a vlan kobj in the associated batpriv
45 * @obj: kobject to covert
47 * Returns the associated batadv_priv struct.
49 static struct batadv_priv *batadv_vlan_kobj_to_batpriv(struct kobject *obj)
51 /* VLAN specific attributes are located in the root sysfs folder if they
52 * refer to the untagged VLAN..
54 if (!strcmp(BATADV_SYSFS_IF_MESH_SUBDIR, obj->name))
55 return batadv_kobj_to_batpriv(obj);
57 /* ..while the attributes for the tagged vlans are located in
58 * the in the corresponding "vlan%VID" subfolder
60 return batadv_kobj_to_batpriv(obj->parent);
64 * batadv_kobj_to_vlan - convert a kobj in the associated softif_vlan struct
65 * @obj: kobject to covert
67 * Returns the associated softif_vlan struct if found, NULL otherwise.
69 static struct batadv_softif_vlan *
70 batadv_kobj_to_vlan(struct batadv_priv *bat_priv, struct kobject *obj)
72 struct batadv_softif_vlan *vlan_tmp, *vlan = NULL;
75 hlist_for_each_entry_rcu(vlan_tmp, &bat_priv->softif_vlan_list, list) {
76 if (vlan_tmp->kobj != obj)
79 if (!atomic_inc_not_zero(&vlan_tmp->refcount))
90 #define BATADV_UEV_TYPE_VAR "BATTYPE="
91 #define BATADV_UEV_ACTION_VAR "BATACTION="
92 #define BATADV_UEV_DATA_VAR "BATDATA="
94 static char *batadv_uev_action_str[] = {
100 static char *batadv_uev_type_str[] = {
104 /* Use this, if you have customized show and store functions for vlan attrs */
105 #define BATADV_ATTR_VLAN(_name, _mode, _show, _store) \
106 struct batadv_attribute batadv_attr_vlan_##_name = { \
107 .attr = {.name = __stringify(_name), \
113 /* Use this, if you have customized show and store functions */
114 #define BATADV_ATTR(_name, _mode, _show, _store) \
115 struct batadv_attribute batadv_attr_##_name = { \
116 .attr = {.name = __stringify(_name), \
122 #define BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \
123 ssize_t batadv_store_##_name(struct kobject *kobj, \
124 struct attribute *attr, char *buff, \
127 struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
128 struct batadv_priv *bat_priv = netdev_priv(net_dev); \
129 return __batadv_store_bool_attr(buff, count, _post_func, attr, \
130 &bat_priv->_name, net_dev); \
133 #define BATADV_ATTR_SIF_SHOW_BOOL(_name) \
134 ssize_t batadv_show_##_name(struct kobject *kobj, \
135 struct attribute *attr, char *buff) \
137 struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
138 return sprintf(buff, "%s\n", \
139 atomic_read(&bat_priv->_name) == 0 ? \
140 "disabled" : "enabled"); \
143 /* Use this, if you are going to turn a [name] in the soft-interface
144 * (bat_priv) on or off
146 #define BATADV_ATTR_SIF_BOOL(_name, _mode, _post_func) \
147 static BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \
148 static BATADV_ATTR_SIF_SHOW_BOOL(_name) \
149 static BATADV_ATTR(_name, _mode, batadv_show_##_name, \
150 batadv_store_##_name)
153 #define BATADV_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \
154 ssize_t batadv_store_##_name(struct kobject *kobj, \
155 struct attribute *attr, char *buff, \
158 struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
159 struct batadv_priv *bat_priv = netdev_priv(net_dev); \
160 return __batadv_store_uint_attr(buff, count, _min, _max, \
162 &bat_priv->_name, net_dev); \
165 #define BATADV_ATTR_SIF_SHOW_UINT(_name) \
166 ssize_t batadv_show_##_name(struct kobject *kobj, \
167 struct attribute *attr, char *buff) \
169 struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
170 return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \
173 /* Use this, if you are going to set [name] in the soft-interface
174 * (bat_priv) to an unsigned integer value
176 #define BATADV_ATTR_SIF_UINT(_name, _mode, _min, _max, _post_func) \
177 static BATADV_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func)\
178 static BATADV_ATTR_SIF_SHOW_UINT(_name) \
179 static BATADV_ATTR(_name, _mode, batadv_show_##_name, \
180 batadv_store_##_name)
182 #define BATADV_ATTR_VLAN_STORE_BOOL(_name, _post_func) \
183 ssize_t batadv_store_vlan_##_name(struct kobject *kobj, \
184 struct attribute *attr, char *buff, \
187 struct batadv_priv *bat_priv = batadv_vlan_kobj_to_batpriv(kobj);\
188 struct batadv_softif_vlan *vlan = batadv_kobj_to_vlan(bat_priv, \
190 size_t res = __batadv_store_bool_attr(buff, count, _post_func, \
191 attr, &vlan->_name, \
192 bat_priv->soft_iface); \
193 batadv_softif_vlan_free_ref(vlan); \
197 #define BATADV_ATTR_VLAN_SHOW_BOOL(_name) \
198 ssize_t batadv_show_vlan_##_name(struct kobject *kobj, \
199 struct attribute *attr, char *buff) \
201 struct batadv_priv *bat_priv = batadv_vlan_kobj_to_batpriv(kobj);\
202 struct batadv_softif_vlan *vlan = batadv_kobj_to_vlan(bat_priv, \
204 size_t res = sprintf(buff, "%s\n", \
205 atomic_read(&vlan->_name) == 0 ? \
206 "disabled" : "enabled"); \
207 batadv_softif_vlan_free_ref(vlan); \
211 /* Use this, if you are going to turn a [name] in the vlan struct on or off */
212 #define BATADV_ATTR_VLAN_BOOL(_name, _mode, _post_func) \
213 static BATADV_ATTR_VLAN_STORE_BOOL(_name, _post_func) \
214 static BATADV_ATTR_VLAN_SHOW_BOOL(_name) \
215 static BATADV_ATTR_VLAN(_name, _mode, batadv_show_vlan_##_name, \
216 batadv_store_vlan_##_name)
218 static int batadv_store_bool_attr(char *buff, size_t count,
219 struct net_device *net_dev,
220 const char *attr_name, atomic_t *attr)
224 if (buff[count - 1] == '\n')
225 buff[count - 1] = '\0';
227 if ((strncmp(buff, "1", 2) == 0) ||
228 (strncmp(buff, "enable", 7) == 0) ||
229 (strncmp(buff, "enabled", 8) == 0))
232 if ((strncmp(buff, "0", 2) == 0) ||
233 (strncmp(buff, "disable", 8) == 0) ||
234 (strncmp(buff, "disabled", 9) == 0))
238 batadv_info(net_dev, "%s: Invalid parameter received: %s\n",
243 if (atomic_read(attr) == enabled)
246 batadv_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name,
247 atomic_read(attr) == 1 ? "enabled" : "disabled",
248 enabled == 1 ? "enabled" : "disabled");
250 atomic_set(attr, (unsigned int)enabled);
254 static inline ssize_t
255 __batadv_store_bool_attr(char *buff, size_t count,
256 void (*post_func)(struct net_device *),
257 struct attribute *attr,
258 atomic_t *attr_store, struct net_device *net_dev)
262 ret = batadv_store_bool_attr(buff, count, net_dev, attr->name,
264 if (post_func && ret)
270 static int batadv_store_uint_attr(const char *buff, size_t count,
271 struct net_device *net_dev,
272 const char *attr_name,
273 unsigned int min, unsigned int max,
276 unsigned long uint_val;
279 ret = kstrtoul(buff, 10, &uint_val);
281 batadv_info(net_dev, "%s: Invalid parameter received: %s\n",
286 if (uint_val < min) {
287 batadv_info(net_dev, "%s: Value is too small: %lu min: %u\n",
288 attr_name, uint_val, min);
292 if (uint_val > max) {
293 batadv_info(net_dev, "%s: Value is too big: %lu max: %u\n",
294 attr_name, uint_val, max);
298 if (atomic_read(attr) == uint_val)
301 batadv_info(net_dev, "%s: Changing from: %i to: %lu\n",
302 attr_name, atomic_read(attr), uint_val);
304 atomic_set(attr, uint_val);
308 static inline ssize_t
309 __batadv_store_uint_attr(const char *buff, size_t count,
311 void (*post_func)(struct net_device *),
312 const struct attribute *attr,
313 atomic_t *attr_store, struct net_device *net_dev)
317 ret = batadv_store_uint_attr(buff, count, net_dev, attr->name, min, max,
319 if (post_func && ret)
325 static ssize_t batadv_show_bat_algo(struct kobject *kobj,
326 struct attribute *attr, char *buff)
328 struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
329 return sprintf(buff, "%s\n", bat_priv->bat_algo_ops->name);
332 static void batadv_post_gw_deselect(struct net_device *net_dev)
334 struct batadv_priv *bat_priv = netdev_priv(net_dev);
335 batadv_gw_deselect(bat_priv);
338 static ssize_t batadv_show_gw_mode(struct kobject *kobj, struct attribute *attr,
341 struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
344 switch (atomic_read(&bat_priv->gw_mode)) {
345 case BATADV_GW_MODE_CLIENT:
346 bytes_written = sprintf(buff, "%s\n",
347 BATADV_GW_MODE_CLIENT_NAME);
349 case BATADV_GW_MODE_SERVER:
350 bytes_written = sprintf(buff, "%s\n",
351 BATADV_GW_MODE_SERVER_NAME);
354 bytes_written = sprintf(buff, "%s\n",
355 BATADV_GW_MODE_OFF_NAME);
359 return bytes_written;
362 static ssize_t batadv_store_gw_mode(struct kobject *kobj,
363 struct attribute *attr, char *buff,
366 struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
367 struct batadv_priv *bat_priv = netdev_priv(net_dev);
368 char *curr_gw_mode_str;
369 int gw_mode_tmp = -1;
371 if (buff[count - 1] == '\n')
372 buff[count - 1] = '\0';
374 if (strncmp(buff, BATADV_GW_MODE_OFF_NAME,
375 strlen(BATADV_GW_MODE_OFF_NAME)) == 0)
376 gw_mode_tmp = BATADV_GW_MODE_OFF;
378 if (strncmp(buff, BATADV_GW_MODE_CLIENT_NAME,
379 strlen(BATADV_GW_MODE_CLIENT_NAME)) == 0)
380 gw_mode_tmp = BATADV_GW_MODE_CLIENT;
382 if (strncmp(buff, BATADV_GW_MODE_SERVER_NAME,
383 strlen(BATADV_GW_MODE_SERVER_NAME)) == 0)
384 gw_mode_tmp = BATADV_GW_MODE_SERVER;
386 if (gw_mode_tmp < 0) {
388 "Invalid parameter for 'gw mode' setting received: %s\n",
393 if (atomic_read(&bat_priv->gw_mode) == gw_mode_tmp)
396 switch (atomic_read(&bat_priv->gw_mode)) {
397 case BATADV_GW_MODE_CLIENT:
398 curr_gw_mode_str = BATADV_GW_MODE_CLIENT_NAME;
400 case BATADV_GW_MODE_SERVER:
401 curr_gw_mode_str = BATADV_GW_MODE_SERVER_NAME;
404 curr_gw_mode_str = BATADV_GW_MODE_OFF_NAME;
408 batadv_info(net_dev, "Changing gw mode from: %s to: %s\n",
409 curr_gw_mode_str, buff);
411 batadv_gw_deselect(bat_priv);
412 /* always call batadv_gw_check_client_stop() before changing the gateway
415 batadv_gw_check_client_stop(bat_priv);
416 atomic_set(&bat_priv->gw_mode, (unsigned int)gw_mode_tmp);
417 batadv_gw_tvlv_container_update(bat_priv);
421 static ssize_t batadv_show_gw_bwidth(struct kobject *kobj,
422 struct attribute *attr, char *buff)
424 struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
427 down = atomic_read(&bat_priv->gw.bandwidth_down);
428 up = atomic_read(&bat_priv->gw.bandwidth_up);
430 return sprintf(buff, "%u.%u/%u.%u MBit\n", down / 10,
431 down % 10, up / 10, up % 10);
434 static ssize_t batadv_store_gw_bwidth(struct kobject *kobj,
435 struct attribute *attr, char *buff,
438 struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
440 if (buff[count - 1] == '\n')
441 buff[count - 1] = '\0';
443 return batadv_gw_bandwidth_set(net_dev, buff, count);
446 BATADV_ATTR_SIF_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL);
447 BATADV_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL);
448 #ifdef CONFIG_BATMAN_ADV_BLA
449 BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR, NULL);
451 #ifdef CONFIG_BATMAN_ADV_DAT
452 BATADV_ATTR_SIF_BOOL(distributed_arp_table, S_IRUGO | S_IWUSR,
453 batadv_dat_status_update);
455 BATADV_ATTR_SIF_BOOL(fragmentation, S_IRUGO | S_IWUSR, batadv_update_min_mtu);
456 static BATADV_ATTR(routing_algo, S_IRUGO, batadv_show_bat_algo, NULL);
457 static BATADV_ATTR(gw_mode, S_IRUGO | S_IWUSR, batadv_show_gw_mode,
458 batadv_store_gw_mode);
459 BATADV_ATTR_SIF_UINT(orig_interval, S_IRUGO | S_IWUSR, 2 * BATADV_JITTER,
461 BATADV_ATTR_SIF_UINT(hop_penalty, S_IRUGO | S_IWUSR, 0, BATADV_TQ_MAX_VALUE,
463 BATADV_ATTR_SIF_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, BATADV_TQ_MAX_VALUE,
464 batadv_post_gw_deselect);
465 static BATADV_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, batadv_show_gw_bwidth,
466 batadv_store_gw_bwidth);
467 #ifdef CONFIG_BATMAN_ADV_DEBUG
468 BATADV_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, BATADV_DBG_ALL, NULL);
470 #ifdef CONFIG_BATMAN_ADV_NC
471 BATADV_ATTR_SIF_BOOL(network_coding, S_IRUGO | S_IWUSR,
472 batadv_nc_status_update);
475 static struct batadv_attribute *batadv_mesh_attrs[] = {
476 &batadv_attr_aggregated_ogms,
477 &batadv_attr_bonding,
478 #ifdef CONFIG_BATMAN_ADV_BLA
479 &batadv_attr_bridge_loop_avoidance,
481 #ifdef CONFIG_BATMAN_ADV_DAT
482 &batadv_attr_distributed_arp_table,
484 &batadv_attr_fragmentation,
485 &batadv_attr_routing_algo,
486 &batadv_attr_gw_mode,
487 &batadv_attr_orig_interval,
488 &batadv_attr_hop_penalty,
489 &batadv_attr_gw_sel_class,
490 &batadv_attr_gw_bandwidth,
491 #ifdef CONFIG_BATMAN_ADV_DEBUG
492 &batadv_attr_log_level,
494 #ifdef CONFIG_BATMAN_ADV_NC
495 &batadv_attr_network_coding,
500 BATADV_ATTR_VLAN_BOOL(ap_isolation, S_IRUGO | S_IWUSR, NULL);
503 * batadv_vlan_attrs - array of vlan specific sysfs attributes
505 static struct batadv_attribute *batadv_vlan_attrs[] = {
506 &batadv_attr_vlan_ap_isolation,
510 int batadv_sysfs_add_meshif(struct net_device *dev)
512 struct kobject *batif_kobject = &dev->dev.kobj;
513 struct batadv_priv *bat_priv = netdev_priv(dev);
514 struct batadv_attribute **bat_attr;
517 bat_priv->mesh_obj = kobject_create_and_add(BATADV_SYSFS_IF_MESH_SUBDIR,
519 if (!bat_priv->mesh_obj) {
520 batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
521 BATADV_SYSFS_IF_MESH_SUBDIR);
525 for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) {
526 err = sysfs_create_file(bat_priv->mesh_obj,
527 &((*bat_attr)->attr));
529 batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n",
530 dev->name, BATADV_SYSFS_IF_MESH_SUBDIR,
531 ((*bat_attr)->attr).name);
539 for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr)
540 sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
542 kobject_put(bat_priv->mesh_obj);
543 bat_priv->mesh_obj = NULL;
548 void batadv_sysfs_del_meshif(struct net_device *dev)
550 struct batadv_priv *bat_priv = netdev_priv(dev);
551 struct batadv_attribute **bat_attr;
553 for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr)
554 sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
556 kobject_put(bat_priv->mesh_obj);
557 bat_priv->mesh_obj = NULL;
561 * batadv_sysfs_add_vlan - add all the needed sysfs objects for the new vlan
562 * @dev: netdev of the mesh interface
563 * @vlan: private data of the newly added VLAN interface
565 * Returns 0 on success and -ENOMEM if any of the structure allocations fails.
567 int batadv_sysfs_add_vlan(struct net_device *dev,
568 struct batadv_softif_vlan *vlan)
570 char vlan_subdir[sizeof(BATADV_SYSFS_VLAN_SUBDIR_PREFIX) + 5];
571 struct batadv_priv *bat_priv = netdev_priv(dev);
572 struct batadv_attribute **bat_attr;
575 if (vlan->vid & BATADV_VLAN_HAS_TAG) {
576 sprintf(vlan_subdir, BATADV_SYSFS_VLAN_SUBDIR_PREFIX "%hu",
577 vlan->vid & VLAN_VID_MASK);
579 vlan->kobj = kobject_create_and_add(vlan_subdir,
582 batadv_err(dev, "Can't add sysfs directory: %s/%s\n",
583 dev->name, vlan_subdir);
587 /* the untagged LAN uses the root folder to store its "VLAN
588 * specific attributes"
590 vlan->kobj = bat_priv->mesh_obj;
591 kobject_get(bat_priv->mesh_obj);
594 for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr) {
595 err = sysfs_create_file(vlan->kobj,
596 &((*bat_attr)->attr));
598 batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n",
599 dev->name, vlan_subdir,
600 ((*bat_attr)->attr).name);
608 for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr)
609 sysfs_remove_file(vlan->kobj, &((*bat_attr)->attr));
611 kobject_put(vlan->kobj);
618 * batadv_sysfs_del_vlan - remove all the sysfs objects for a given VLAN
619 * @bat_priv: the bat priv with all the soft interface information
620 * @vlan: the private data of the VLAN to destroy
622 void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
623 struct batadv_softif_vlan *vlan)
625 struct batadv_attribute **bat_attr;
627 for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr)
628 sysfs_remove_file(vlan->kobj, &((*bat_attr)->attr));
630 kobject_put(vlan->kobj);
634 static ssize_t batadv_show_mesh_iface(struct kobject *kobj,
635 struct attribute *attr, char *buff)
637 struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
638 struct batadv_hard_iface *hard_iface;
642 hard_iface = batadv_hardif_get_by_netdev(net_dev);
646 if (hard_iface->if_status == BATADV_IF_NOT_IN_USE)
649 ifname = hard_iface->soft_iface->name;
651 length = sprintf(buff, "%s\n", ifname);
653 batadv_hardif_free_ref(hard_iface);
658 static ssize_t batadv_store_mesh_iface(struct kobject *kobj,
659 struct attribute *attr, char *buff,
662 struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
663 struct batadv_hard_iface *hard_iface;
667 hard_iface = batadv_hardif_get_by_netdev(net_dev);
671 if (buff[count - 1] == '\n')
672 buff[count - 1] = '\0';
674 if (strlen(buff) >= IFNAMSIZ) {
675 pr_err("Invalid parameter for 'mesh_iface' setting received: interface name too long '%s'\n",
677 batadv_hardif_free_ref(hard_iface);
681 if (strncmp(buff, "none", 4) == 0)
682 status_tmp = BATADV_IF_NOT_IN_USE;
684 status_tmp = BATADV_IF_I_WANT_YOU;
686 if (hard_iface->if_status == status_tmp)
689 if ((hard_iface->soft_iface) &&
690 (strncmp(hard_iface->soft_iface->name, buff, IFNAMSIZ) == 0))
695 if (status_tmp == BATADV_IF_NOT_IN_USE) {
696 batadv_hardif_disable_interface(hard_iface,
697 BATADV_IF_CLEANUP_AUTO);
701 /* if the interface already is in use */
702 if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)
703 batadv_hardif_disable_interface(hard_iface,
704 BATADV_IF_CLEANUP_AUTO);
706 ret = batadv_hardif_enable_interface(hard_iface, buff);
711 batadv_hardif_free_ref(hard_iface);
715 static ssize_t batadv_show_iface_status(struct kobject *kobj,
716 struct attribute *attr, char *buff)
718 struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
719 struct batadv_hard_iface *hard_iface;
722 hard_iface = batadv_hardif_get_by_netdev(net_dev);
726 switch (hard_iface->if_status) {
727 case BATADV_IF_TO_BE_REMOVED:
728 length = sprintf(buff, "disabling\n");
730 case BATADV_IF_INACTIVE:
731 length = sprintf(buff, "inactive\n");
733 case BATADV_IF_ACTIVE:
734 length = sprintf(buff, "active\n");
736 case BATADV_IF_TO_BE_ACTIVATED:
737 length = sprintf(buff, "enabling\n");
739 case BATADV_IF_NOT_IN_USE:
741 length = sprintf(buff, "not in use\n");
745 batadv_hardif_free_ref(hard_iface);
750 static BATADV_ATTR(mesh_iface, S_IRUGO | S_IWUSR, batadv_show_mesh_iface,
751 batadv_store_mesh_iface);
752 static BATADV_ATTR(iface_status, S_IRUGO, batadv_show_iface_status, NULL);
754 static struct batadv_attribute *batadv_batman_attrs[] = {
755 &batadv_attr_mesh_iface,
756 &batadv_attr_iface_status,
760 int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
762 struct kobject *hardif_kobject = &dev->dev.kobj;
763 struct batadv_attribute **bat_attr;
766 *hardif_obj = kobject_create_and_add(BATADV_SYSFS_IF_BAT_SUBDIR,
770 batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
771 BATADV_SYSFS_IF_BAT_SUBDIR);
775 for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr) {
776 err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr));
778 batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n",
779 dev->name, BATADV_SYSFS_IF_BAT_SUBDIR,
780 ((*bat_attr)->attr).name);
788 for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr)
789 sysfs_remove_file(*hardif_obj, &((*bat_attr)->attr));
794 void batadv_sysfs_del_hardif(struct kobject **hardif_obj)
796 kobject_put(*hardif_obj);
800 int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type,
801 enum batadv_uev_action action, const char *data)
804 struct kobject *bat_kobj;
805 char *uevent_env[4] = { NULL, NULL, NULL, NULL };
807 bat_kobj = &bat_priv->soft_iface->dev.kobj;
809 uevent_env[0] = kmalloc(strlen(BATADV_UEV_TYPE_VAR) +
810 strlen(batadv_uev_type_str[type]) + 1,
815 sprintf(uevent_env[0], "%s%s", BATADV_UEV_TYPE_VAR,
816 batadv_uev_type_str[type]);
818 uevent_env[1] = kmalloc(strlen(BATADV_UEV_ACTION_VAR) +
819 strlen(batadv_uev_action_str[action]) + 1,
824 sprintf(uevent_env[1], "%s%s", BATADV_UEV_ACTION_VAR,
825 batadv_uev_action_str[action]);
827 /* If the event is DEL, ignore the data field */
828 if (action != BATADV_UEV_DEL) {
829 uevent_env[2] = kmalloc(strlen(BATADV_UEV_DATA_VAR) +
830 strlen(data) + 1, GFP_ATOMIC);
834 sprintf(uevent_env[2], "%s%s", BATADV_UEV_DATA_VAR, data);
837 ret = kobject_uevent_env(bat_kobj, KOBJ_CHANGE, uevent_env);
839 kfree(uevent_env[0]);
840 kfree(uevent_env[1]);
841 kfree(uevent_env[2]);
844 batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
845 "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n",
846 batadv_uev_type_str[type],
847 batadv_uev_action_str[action],
848 (action == BATADV_UEV_DEL ? "NULL" : data), ret);