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Diffstat (limited to 'net/batman-adv/bat_sysfs.c')
-rw-r--r--net/batman-adv/bat_sysfs.c735
1 files changed, 0 insertions, 735 deletions
diff --git a/net/batman-adv/bat_sysfs.c b/net/batman-adv/bat_sysfs.c
deleted file mode 100644
index 5bc7b66d32dc..000000000000
--- a/net/batman-adv/bat_sysfs.c
+++ /dev/null
@@ -1,735 +0,0 @@
-/*
- * Copyright (C) 2010-2012 B.A.T.M.A.N. contributors:
- *
- * Marek Lindner
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA
- *
- */
-
-#include "main.h"
-#include "bat_sysfs.h"
-#include "translation-table.h"
-#include "originator.h"
-#include "hard-interface.h"
-#include "gateway_common.h"
-#include "gateway_client.h"
-#include "vis.h"
-
-static struct net_device *kobj_to_netdev(struct kobject *obj)
-{
- struct device *dev = container_of(obj->parent, struct device, kobj);
- return to_net_dev(dev);
-}
-
-static struct bat_priv *kobj_to_batpriv(struct kobject *obj)
-{
- struct net_device *net_dev = kobj_to_netdev(obj);
- return netdev_priv(net_dev);
-}
-
-#define UEV_TYPE_VAR "BATTYPE="
-#define UEV_ACTION_VAR "BATACTION="
-#define UEV_DATA_VAR "BATDATA="
-
-static char *uev_action_str[] = {
- "add",
- "del",
- "change"
-};
-
-static char *uev_type_str[] = {
- "gw"
-};
-
-/* Use this, if you have customized show and store functions */
-#define BAT_ATTR(_name, _mode, _show, _store) \
-struct bat_attribute bat_attr_##_name = { \
- .attr = {.name = __stringify(_name), \
- .mode = _mode }, \
- .show = _show, \
- .store = _store, \
-};
-
-#define BAT_ATTR_SIF_STORE_BOOL(_name, _post_func) \
-ssize_t store_##_name(struct kobject *kobj, struct attribute *attr, \
- char *buff, size_t count) \
-{ \
- struct net_device *net_dev = kobj_to_netdev(kobj); \
- struct bat_priv *bat_priv = netdev_priv(net_dev); \
- return __store_bool_attr(buff, count, _post_func, attr, \
- &bat_priv->_name, net_dev); \
-}
-
-#define BAT_ATTR_SIF_SHOW_BOOL(_name) \
-ssize_t show_##_name(struct kobject *kobj, \
- struct attribute *attr, char *buff) \
-{ \
- struct bat_priv *bat_priv = kobj_to_batpriv(kobj); \
- return sprintf(buff, "%s\n", \
- atomic_read(&bat_priv->_name) == 0 ? \
- "disabled" : "enabled"); \
-} \
-
-/* Use this, if you are going to turn a [name] in the soft-interface
- * (bat_priv) on or off */
-#define BAT_ATTR_SIF_BOOL(_name, _mode, _post_func) \
- static BAT_ATTR_SIF_STORE_BOOL(_name, _post_func) \
- static BAT_ATTR_SIF_SHOW_BOOL(_name) \
- static BAT_ATTR(_name, _mode, show_##_name, store_##_name)
-
-
-#define BAT_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \
-ssize_t store_##_name(struct kobject *kobj, struct attribute *attr, \
- char *buff, size_t count) \
-{ \
- struct net_device *net_dev = kobj_to_netdev(kobj); \
- struct bat_priv *bat_priv = netdev_priv(net_dev); \
- return __store_uint_attr(buff, count, _min, _max, _post_func, \
- attr, &bat_priv->_name, net_dev); \
-}
-
-#define BAT_ATTR_SIF_SHOW_UINT(_name) \
-ssize_t show_##_name(struct kobject *kobj, \
- struct attribute *attr, char *buff) \
-{ \
- struct bat_priv *bat_priv = kobj_to_batpriv(kobj); \
- return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \
-} \
-
-/* Use this, if you are going to set [name] in the soft-interface
- * (bat_priv) to an unsigned integer value */
-#define BAT_ATTR_SIF_UINT(_name, _mode, _min, _max, _post_func) \
- static BAT_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \
- static BAT_ATTR_SIF_SHOW_UINT(_name) \
- static BAT_ATTR(_name, _mode, show_##_name, store_##_name)
-
-
-#define BAT_ATTR_HIF_STORE_UINT(_name, _min, _max, _post_func) \
-ssize_t store_##_name(struct kobject *kobj, struct attribute *attr, \
- char *buff, size_t count) \
-{ \
- struct net_device *net_dev = kobj_to_netdev(kobj); \
- struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); \
- ssize_t length; \
- \
- if (!hard_iface) \
- return 0; \
- \
- length = __store_uint_attr(buff, count, _min, _max, _post_func, \
- attr, &hard_iface->_name, net_dev); \
- \
- hardif_free_ref(hard_iface); \
- return length; \
-}
-
-#define BAT_ATTR_HIF_SHOW_UINT(_name) \
-ssize_t show_##_name(struct kobject *kobj, \
- struct attribute *attr, char *buff) \
-{ \
- struct net_device *net_dev = kobj_to_netdev(kobj); \
- struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev); \
- ssize_t length; \
- \
- if (!hard_iface) \
- return 0; \
- \
- length = sprintf(buff, "%i\n", atomic_read(&hard_iface->_name));\
- \
- hardif_free_ref(hard_iface); \
- return length; \
-}
-
-/* Use this, if you are going to set [name] in hard_iface to an
- * unsigned integer value*/
-#define BAT_ATTR_HIF_UINT(_name, _mode, _min, _max, _post_func) \
- static BAT_ATTR_HIF_STORE_UINT(_name, _min, _max, _post_func) \
- static BAT_ATTR_HIF_SHOW_UINT(_name) \
- static BAT_ATTR(_name, _mode, show_##_name, store_##_name)
-
-
-static int store_bool_attr(char *buff, size_t count,
- struct net_device *net_dev,
- const char *attr_name, atomic_t *attr)
-{
- int enabled = -1;
-
- if (buff[count - 1] == '\n')
- buff[count - 1] = '\0';
-
- if ((strncmp(buff, "1", 2) == 0) ||
- (strncmp(buff, "enable", 7) == 0) ||
- (strncmp(buff, "enabled", 8) == 0))
- enabled = 1;
-
- if ((strncmp(buff, "0", 2) == 0) ||
- (strncmp(buff, "disable", 8) == 0) ||
- (strncmp(buff, "disabled", 9) == 0))
- enabled = 0;
-
- if (enabled < 0) {
- bat_info(net_dev,
- "%s: Invalid parameter received: %s\n",
- attr_name, buff);
- return -EINVAL;
- }
-
- if (atomic_read(attr) == enabled)
- return count;
-
- bat_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name,
- atomic_read(attr) == 1 ? "enabled" : "disabled",
- enabled == 1 ? "enabled" : "disabled");
-
- atomic_set(attr, (unsigned int)enabled);
- return count;
-}
-
-static inline ssize_t __store_bool_attr(char *buff, size_t count,
- void (*post_func)(struct net_device *),
- struct attribute *attr,
- atomic_t *attr_store, struct net_device *net_dev)
-{
- int ret;
-
- ret = store_bool_attr(buff, count, net_dev, attr->name, attr_store);
- if (post_func && ret)
- post_func(net_dev);
-
- return ret;
-}
-
-static int store_uint_attr(const char *buff, size_t count,
- struct net_device *net_dev, const char *attr_name,
- unsigned int min, unsigned int max, atomic_t *attr)
-{
- unsigned long uint_val;
- int ret;
-
- ret = kstrtoul(buff, 10, &uint_val);
- if (ret) {
- bat_info(net_dev,
- "%s: Invalid parameter received: %s\n",
- attr_name, buff);
- return -EINVAL;
- }
-
- if (uint_val < min) {
- bat_info(net_dev, "%s: Value is too small: %lu min: %u\n",
- attr_name, uint_val, min);
- return -EINVAL;
- }
-
- if (uint_val > max) {
- bat_info(net_dev, "%s: Value is too big: %lu max: %u\n",
- attr_name, uint_val, max);
- return -EINVAL;
- }
-
- if (atomic_read(attr) == uint_val)
- return count;
-
- bat_info(net_dev, "%s: Changing from: %i to: %lu\n",
- attr_name, atomic_read(attr), uint_val);
-
- atomic_set(attr, uint_val);
- return count;
-}
-
-static inline ssize_t __store_uint_attr(const char *buff, size_t count,
- int min, int max,
- void (*post_func)(struct net_device *),
- const struct attribute *attr,
- atomic_t *attr_store, struct net_device *net_dev)
-{
- int ret;
-
- ret = store_uint_attr(buff, count, net_dev, attr->name,
- min, max, attr_store);
- if (post_func && ret)
- post_func(net_dev);
-
- return ret;
-}
-
-static ssize_t show_vis_mode(struct kobject *kobj, struct attribute *attr,
- char *buff)
-{
- struct bat_priv *bat_priv = kobj_to_batpriv(kobj);
- int vis_mode = atomic_read(&bat_priv->vis_mode);
-
- return sprintf(buff, "%s\n",
- vis_mode == VIS_TYPE_CLIENT_UPDATE ?
- "client" : "server");
-}
-
-static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr,
- char *buff, size_t count)
-{
- struct net_device *net_dev = kobj_to_netdev(kobj);
- struct bat_priv *bat_priv = netdev_priv(net_dev);
- unsigned long val;
- int ret, vis_mode_tmp = -1;
-
- ret = kstrtoul(buff, 10, &val);
-
- if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) ||
- (strncmp(buff, "client", 6) == 0) ||
- (strncmp(buff, "off", 3) == 0))
- vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE;
-
- if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) ||
- (strncmp(buff, "server", 6) == 0))
- vis_mode_tmp = VIS_TYPE_SERVER_SYNC;
-
- if (vis_mode_tmp < 0) {
- if (buff[count - 1] == '\n')
- buff[count - 1] = '\0';
-
- bat_info(net_dev,
- "Invalid parameter for 'vis mode' setting received: %s\n",
- buff);
- return -EINVAL;
- }
-
- if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp)
- return count;
-
- bat_info(net_dev, "Changing vis mode from: %s to: %s\n",
- atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE ?
- "client" : "server", vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE ?
- "client" : "server");
-
- atomic_set(&bat_priv->vis_mode, (unsigned int)vis_mode_tmp);
- return count;
-}
-
-static ssize_t show_bat_algo(struct kobject *kobj, struct attribute *attr,
- char *buff)
-{
- struct bat_priv *bat_priv = kobj_to_batpriv(kobj);
- return sprintf(buff, "%s\n", bat_priv->bat_algo_ops->name);
-}
-
-static void post_gw_deselect(struct net_device *net_dev)
-{
- struct bat_priv *bat_priv = netdev_priv(net_dev);
- gw_deselect(bat_priv);
-}
-
-static ssize_t show_gw_mode(struct kobject *kobj, struct attribute *attr,
- char *buff)
-{
- struct bat_priv *bat_priv = kobj_to_batpriv(kobj);
- int bytes_written;
-
- switch (atomic_read(&bat_priv->gw_mode)) {
- case GW_MODE_CLIENT:
- bytes_written = sprintf(buff, "%s\n", GW_MODE_CLIENT_NAME);
- break;
- case GW_MODE_SERVER:
- bytes_written = sprintf(buff, "%s\n", GW_MODE_SERVER_NAME);
- break;
- default:
- bytes_written = sprintf(buff, "%s\n", GW_MODE_OFF_NAME);
- break;
- }
-
- return bytes_written;
-}
-
-static ssize_t store_gw_mode(struct kobject *kobj, struct attribute *attr,
- char *buff, size_t count)
-{
- struct net_device *net_dev = kobj_to_netdev(kobj);
- struct bat_priv *bat_priv = netdev_priv(net_dev);
- char *curr_gw_mode_str;
- int gw_mode_tmp = -1;
-
- if (buff[count - 1] == '\n')
- buff[count - 1] = '\0';
-
- if (strncmp(buff, GW_MODE_OFF_NAME, strlen(GW_MODE_OFF_NAME)) == 0)
- gw_mode_tmp = GW_MODE_OFF;
-
- if (strncmp(buff, GW_MODE_CLIENT_NAME,
- strlen(GW_MODE_CLIENT_NAME)) == 0)
- gw_mode_tmp = GW_MODE_CLIENT;
-
- if (strncmp(buff, GW_MODE_SERVER_NAME,
- strlen(GW_MODE_SERVER_NAME)) == 0)
- gw_mode_tmp = GW_MODE_SERVER;
-
- if (gw_mode_tmp < 0) {
- bat_info(net_dev,
- "Invalid parameter for 'gw mode' setting received: %s\n",
- buff);
- return -EINVAL;
- }
-
- if (atomic_read(&bat_priv->gw_mode) == gw_mode_tmp)
- return count;
-
- switch (atomic_read(&bat_priv->gw_mode)) {
- case GW_MODE_CLIENT:
- curr_gw_mode_str = GW_MODE_CLIENT_NAME;
- break;
- case GW_MODE_SERVER:
- curr_gw_mode_str = GW_MODE_SERVER_NAME;
- break;
- default:
- curr_gw_mode_str = GW_MODE_OFF_NAME;
- break;
- }
-
- bat_info(net_dev, "Changing gw mode from: %s to: %s\n",
- curr_gw_mode_str, buff);
-
- gw_deselect(bat_priv);
- atomic_set(&bat_priv->gw_mode, (unsigned int)gw_mode_tmp);
- return count;
-}
-
-static ssize_t show_gw_bwidth(struct kobject *kobj, struct attribute *attr,
- char *buff)
-{
- struct bat_priv *bat_priv = kobj_to_batpriv(kobj);
- int down, up;
- int gw_bandwidth = atomic_read(&bat_priv->gw_bandwidth);
-
- gw_bandwidth_to_kbit(gw_bandwidth, &down, &up);
- return sprintf(buff, "%i%s/%i%s\n",
- (down > 2048 ? down / 1024 : down),
- (down > 2048 ? "MBit" : "KBit"),
- (up > 2048 ? up / 1024 : up),
- (up > 2048 ? "MBit" : "KBit"));
-}
-
-static ssize_t store_gw_bwidth(struct kobject *kobj, struct attribute *attr,
- char *buff, size_t count)
-{
- struct net_device *net_dev = kobj_to_netdev(kobj);
-
- if (buff[count - 1] == '\n')
- buff[count - 1] = '\0';
-
- return gw_bandwidth_set(net_dev, buff, count);
-}
-
-BAT_ATTR_SIF_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL);
-BAT_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL);
-#ifdef CONFIG_BATMAN_ADV_BLA
-BAT_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR, NULL);
-#endif
-BAT_ATTR_SIF_BOOL(fragmentation, S_IRUGO | S_IWUSR, update_min_mtu);
-BAT_ATTR_SIF_BOOL(ap_isolation, S_IRUGO | S_IWUSR, NULL);
-static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode);
-static BAT_ATTR(routing_algo, S_IRUGO, show_bat_algo, NULL);
-static BAT_ATTR(gw_mode, S_IRUGO | S_IWUSR, show_gw_mode, store_gw_mode);
-BAT_ATTR_SIF_UINT(orig_interval, S_IRUGO | S_IWUSR, 2 * JITTER, INT_MAX, NULL);
-BAT_ATTR_SIF_UINT(hop_penalty, S_IRUGO | S_IWUSR, 0, TQ_MAX_VALUE, NULL);
-BAT_ATTR_SIF_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, TQ_MAX_VALUE,
- post_gw_deselect);
-static BAT_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, show_gw_bwidth,
- store_gw_bwidth);
-#ifdef CONFIG_BATMAN_ADV_DEBUG
-BAT_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, 15, NULL);
-#endif
-
-static struct bat_attribute *mesh_attrs[] = {
- &bat_attr_aggregated_ogms,
- &bat_attr_bonding,
-#ifdef CONFIG_BATMAN_ADV_BLA
- &bat_attr_bridge_loop_avoidance,
-#endif
- &bat_attr_fragmentation,
- &bat_attr_ap_isolation,
- &bat_attr_vis_mode,
- &bat_attr_routing_algo,
- &bat_attr_gw_mode,
- &bat_attr_orig_interval,
- &bat_attr_hop_penalty,
- &bat_attr_gw_sel_class,
- &bat_attr_gw_bandwidth,
-#ifdef CONFIG_BATMAN_ADV_DEBUG
- &bat_attr_log_level,
-#endif
- NULL,
-};
-
-int sysfs_add_meshif(struct net_device *dev)
-{
- struct kobject *batif_kobject = &dev->dev.kobj;
- struct bat_priv *bat_priv = netdev_priv(dev);
- struct bat_attribute **bat_attr;
- int err;
-
- bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR,
- batif_kobject);
- if (!bat_priv->mesh_obj) {
- bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
- SYSFS_IF_MESH_SUBDIR);
- goto out;
- }
-
- for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr) {
- err = sysfs_create_file(bat_priv->mesh_obj,
- &((*bat_attr)->attr));
- if (err) {
- bat_err(dev, "Can't add sysfs file: %s/%s/%s\n",
- dev->name, SYSFS_IF_MESH_SUBDIR,
- ((*bat_attr)->attr).name);
- goto rem_attr;
- }
- }
-
- return 0;
-
-rem_attr:
- for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr)
- sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
-
- kobject_put(bat_priv->mesh_obj);
- bat_priv->mesh_obj = NULL;
-out:
- return -ENOMEM;
-}
-
-void sysfs_del_meshif(struct net_device *dev)
-{
- struct bat_priv *bat_priv = netdev_priv(dev);
- struct bat_attribute **bat_attr;
-
- for (bat_attr = mesh_attrs; *bat_attr; ++bat_attr)
- sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
-
- kobject_put(bat_priv->mesh_obj);
- bat_priv->mesh_obj = NULL;
-}
-
-static ssize_t show_mesh_iface(struct kobject *kobj, struct attribute *attr,
- char *buff)
-{
- struct net_device *net_dev = kobj_to_netdev(kobj);
- struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev);
- ssize_t length;
-
- if (!hard_iface)
- return 0;
-
- length = sprintf(buff, "%s\n", hard_iface->if_status == IF_NOT_IN_USE ?
- "none" : hard_iface->soft_iface->name);
-
- hardif_free_ref(hard_iface);
-
- return length;
-}
-
-static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr,
- char *buff, size_t count)
-{
- struct net_device *net_dev = kobj_to_netdev(kobj);
- struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev);
- int status_tmp = -1;
- int ret = count;
-
- if (!hard_iface)
- return count;
-
- if (buff[count - 1] == '\n')
- buff[count - 1] = '\0';
-
- if (strlen(buff) >= IFNAMSIZ) {
- pr_err("Invalid parameter for 'mesh_iface' setting received: interface name too long '%s'\n",
- buff);
- hardif_free_ref(hard_iface);
- return -EINVAL;
- }
-
- if (strncmp(buff, "none", 4) == 0)
- status_tmp = IF_NOT_IN_USE;
- else
- status_tmp = IF_I_WANT_YOU;
-
- if (hard_iface->if_status == status_tmp)
- goto out;
-
- if ((hard_iface->soft_iface) &&
- (strncmp(hard_iface->soft_iface->name, buff, IFNAMSIZ) == 0))
- goto out;
-
- if (!rtnl_trylock()) {
- ret = -ERESTARTSYS;
- goto out;
- }
-
- if (status_tmp == IF_NOT_IN_USE) {
- hardif_disable_interface(hard_iface);
- goto unlock;
- }
-
- /* if the interface already is in use */
- if (hard_iface->if_status != IF_NOT_IN_USE)
- hardif_disable_interface(hard_iface);
-
- ret = hardif_enable_interface(hard_iface, buff);
-
-unlock:
- rtnl_unlock();
-out:
- hardif_free_ref(hard_iface);
- return ret;
-}
-
-static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr,
- char *buff)
-{
- struct net_device *net_dev = kobj_to_netdev(kobj);
- struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev);
- ssize_t length;
-
- if (!hard_iface)
- return 0;
-
- switch (hard_iface->if_status) {
- case IF_TO_BE_REMOVED:
- length = sprintf(buff, "disabling\n");
- break;
- case IF_INACTIVE:
- length = sprintf(buff, "inactive\n");
- break;
- case IF_ACTIVE:
- length = sprintf(buff, "active\n");
- break;
- case IF_TO_BE_ACTIVATED:
- length = sprintf(buff, "enabling\n");
- break;
- case IF_NOT_IN_USE:
- default:
- length = sprintf(buff, "not in use\n");
- break;
- }
-
- hardif_free_ref(hard_iface);
-
- return length;
-}
-
-static BAT_ATTR(mesh_iface, S_IRUGO | S_IWUSR,
- show_mesh_iface, store_mesh_iface);
-static BAT_ATTR(iface_status, S_IRUGO, show_iface_status, NULL);
-
-static struct bat_attribute *batman_attrs[] = {
- &bat_attr_mesh_iface,
- &bat_attr_iface_status,
- NULL,
-};
-
-int sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
-{
- struct kobject *hardif_kobject = &dev->dev.kobj;
- struct bat_attribute **bat_attr;
- int err;
-
- *hardif_obj = kobject_create_and_add(SYSFS_IF_BAT_SUBDIR,
- hardif_kobject);
-
- if (!*hardif_obj) {
- bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
- SYSFS_IF_BAT_SUBDIR);
- goto out;
- }
-
- for (bat_attr = batman_attrs; *bat_attr; ++bat_attr) {
- err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr));
- if (err) {
- bat_err(dev, "Can't add sysfs file: %s/%s/%s\n",
- dev->name, SYSFS_IF_BAT_SUBDIR,
- ((*bat_attr)->attr).name);
- goto rem_attr;
- }
- }
-
- return 0;
-
-rem_attr:
- for (bat_attr = batman_attrs; *bat_attr; ++bat_attr)
- sysfs_remove_file(*hardif_obj, &((*bat_attr)->attr));
-out:
- return -ENOMEM;
-}
-
-void sysfs_del_hardif(struct kobject **hardif_obj)
-{
- kobject_put(*hardif_obj);
- *hardif_obj = NULL;
-}
-
-int throw_uevent(struct bat_priv *bat_priv, enum uev_type type,
- enum uev_action action, const char *data)
-{
- int ret = -1;
- struct hard_iface *primary_if = NULL;
- struct kobject *bat_kobj;
- char *uevent_env[4] = { NULL, NULL, NULL, NULL };
-
- primary_if = primary_if_get_selected(bat_priv);
- if (!primary_if)
- goto out;
-
- bat_kobj = &primary_if->soft_iface->dev.kobj;
-
- uevent_env[0] = kmalloc(strlen(UEV_TYPE_VAR) +
- strlen(uev_type_str[type]) + 1,
- GFP_ATOMIC);
- if (!uevent_env[0])
- goto out;
-
- sprintf(uevent_env[0], "%s%s", UEV_TYPE_VAR, uev_type_str[type]);
-
- uevent_env[1] = kmalloc(strlen(UEV_ACTION_VAR) +
- strlen(uev_action_str[action]) + 1,
- GFP_ATOMIC);
- if (!uevent_env[1])
- goto out;
-
- sprintf(uevent_env[1], "%s%s", UEV_ACTION_VAR, uev_action_str[action]);
-
- /* If the event is DEL, ignore the data field */
- if (action != UEV_DEL) {
- uevent_env[2] = kmalloc(strlen(UEV_DATA_VAR) +
- strlen(data) + 1, GFP_ATOMIC);
- if (!uevent_env[2])
- goto out;
-
- sprintf(uevent_env[2], "%s%s", UEV_DATA_VAR, data);
- }
-
- ret = kobject_uevent_env(bat_kobj, KOBJ_CHANGE, uevent_env);
-out:
- kfree(uevent_env[0]);
- kfree(uevent_env[1]);
- kfree(uevent_env[2]);
-
- if (primary_if)
- hardif_free_ref(primary_if);
-
- if (ret)
- bat_dbg(DBG_BATMAN, bat_priv,
- "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n",
- uev_type_str[type], uev_action_str[action],
- (action == UEV_DEL ? "NULL" : data), ret);
- return ret;
-}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-29 01:29:40 +0300