diff options
Diffstat (limited to 'drivers/staging/batman-adv/bat_sysfs.c')
| -rw-r--r-- | drivers/staging/batman-adv/bat_sysfs.c | 140 |
1 files changed, 105 insertions, 35 deletions
diff --git a/drivers/staging/batman-adv/bat_sysfs.c b/drivers/staging/batman-adv/bat_sysfs.c index 05ca15a..bc17fb8 100644 --- a/drivers/staging/batman-adv/bat_sysfs.c +++ b/drivers/staging/batman-adv/bat_sysfs.c @@ -134,6 +134,56 @@ static ssize_t store_bond(struct kobject *kobj, struct attribute *attr, return count; } +static ssize_t show_frag(struct kobject *kobj, struct attribute *attr, + char *buff) +{ + struct device *dev = to_dev(kobj->parent); + struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev)); + int frag_status = atomic_read(&bat_priv->frag_enabled); + + return sprintf(buff, "%s\n", + frag_status == 0 ? "disabled" : "enabled"); +} + +static ssize_t store_frag(struct kobject *kobj, struct attribute *attr, + char *buff, size_t count) +{ + struct device *dev = to_dev(kobj->parent); + struct net_device *net_dev = to_net_dev(dev); + struct bat_priv *bat_priv = netdev_priv(net_dev); + int frag_enabled_tmp = -1; + + if (((count == 2) && (buff[0] == '1')) || + (strncmp(buff, "enable", 6) == 0)) + frag_enabled_tmp = 1; + + if (((count == 2) && (buff[0] == '0')) || + (strncmp(buff, "disable", 7) == 0)) + frag_enabled_tmp = 0; + + if (frag_enabled_tmp < 0) { + if (buff[count - 1] == '\n') + buff[count - 1] = '\0'; + + bat_err(net_dev, + "Invalid parameter for 'fragmentation' setting on mesh" + "received: %s\n", buff); + return -EINVAL; + } + + if (atomic_read(&bat_priv->frag_enabled) == frag_enabled_tmp) + return count; + + bat_info(net_dev, "Changing fragmentation from: %s to: %s\n", + atomic_read(&bat_priv->frag_enabled) == 1 ? + "enabled" : "disabled", + frag_enabled_tmp == 1 ? "enabled" : "disabled"); + + atomic_set(&bat_priv->frag_enabled, (unsigned)frag_enabled_tmp); + update_min_mtu(net_dev); + return count; +} + static ssize_t show_vis_mode(struct kobject *kobj, struct attribute *attr, char *buff) { @@ -279,6 +329,7 @@ static ssize_t store_log_level(struct kobject *kobj, struct attribute *attr, static BAT_ATTR(aggregated_ogms, S_IRUGO | S_IWUSR, show_aggr_ogms, store_aggr_ogms); static BAT_ATTR(bonding, S_IRUGO | S_IWUSR, show_bond, store_bond); +static BAT_ATTR(fragmentation, S_IRUGO | S_IWUSR, show_frag, store_frag); static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode); static BAT_ATTR(orig_interval, S_IRUGO | S_IWUSR, show_orig_interval, store_orig_interval); @@ -289,6 +340,7 @@ static BAT_ATTR(log_level, S_IRUGO | S_IWUSR, show_log_level, store_log_level); static struct bat_attribute *mesh_attrs[] = { &bat_attr_aggregated_ogms, &bat_attr_bonding, + &bat_attr_fragmentation, &bat_attr_vis_mode, &bat_attr_orig_interval, #ifdef CONFIG_BATMAN_ADV_DEBUG @@ -304,17 +356,6 @@ int sysfs_add_meshif(struct net_device *dev) struct bat_attribute **bat_attr; int err; - /* FIXME: should be done in the general mesh setup - routine as soon as we have it */ - atomic_set(&bat_priv->aggregation_enabled, 1); - atomic_set(&bat_priv->bonding_enabled, 0); - atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE); - atomic_set(&bat_priv->orig_interval, 1000); - atomic_set(&bat_priv->log_level, 0); - - bat_priv->primary_if = NULL; - bat_priv->num_ifaces = 0; - bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR, batif_kobject); if (!bat_priv->mesh_obj) { @@ -364,13 +405,17 @@ static ssize_t show_mesh_iface(struct kobject *kobj, struct attribute *attr, struct device *dev = to_dev(kobj->parent); struct net_device *net_dev = to_net_dev(dev); struct batman_if *batman_if = get_batman_if_by_netdev(net_dev); + ssize_t length; if (!batman_if) return 0; - return sprintf(buff, "%s\n", - batman_if->if_status == IF_NOT_IN_USE ? - "none" : "bat0"); + length = sprintf(buff, "%s\n", batman_if->if_status == IF_NOT_IN_USE ? + "none" : batman_if->soft_iface->name); + + hardif_put(batman_if); + + return length; } static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr, @@ -380,36 +425,51 @@ static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr, struct net_device *net_dev = to_net_dev(dev); struct batman_if *batman_if = get_batman_if_by_netdev(net_dev); int status_tmp = -1; + int ret; if (!batman_if) 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_put(batman_if); + return -EINVAL; + } + if (strncmp(buff, "none", 4) == 0) status_tmp = IF_NOT_IN_USE; - - if (strncmp(buff, "bat0", 4) == 0) + else status_tmp = IF_I_WANT_YOU; - if (status_tmp < 0) { - if (buff[count - 1] == '\n') - buff[count - 1] = '\0'; - - pr_err("Invalid parameter for 'mesh_iface' setting received: " - "%s\n", buff); - return -EINVAL; + if ((batman_if->if_status == status_tmp) || ((batman_if->soft_iface) && + (strncmp(batman_if->soft_iface->name, buff, IFNAMSIZ) == 0))) { + hardif_put(batman_if); + return count; } - if ((batman_if->if_status == status_tmp) || - ((status_tmp == IF_I_WANT_YOU) && - (batman_if->if_status != IF_NOT_IN_USE))) + if (status_tmp == IF_NOT_IN_USE) { + rtnl_lock(); + hardif_disable_interface(batman_if); + rtnl_unlock(); + hardif_put(batman_if); return count; + } - if (status_tmp == IF_I_WANT_YOU) - status_tmp = hardif_enable_interface(batman_if); - else + /* if the interface already is in use */ + if (batman_if->if_status != IF_NOT_IN_USE) { + rtnl_lock(); hardif_disable_interface(batman_if); + rtnl_unlock(); + } - return (status_tmp < 0 ? status_tmp : count); + ret = hardif_enable_interface(batman_if, buff); + hardif_put(batman_if); + + return ret; } static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr, @@ -418,23 +478,33 @@ static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr, struct device *dev = to_dev(kobj->parent); struct net_device *net_dev = to_net_dev(dev); struct batman_if *batman_if = get_batman_if_by_netdev(net_dev); + ssize_t length; if (!batman_if) return 0; switch (batman_if->if_status) { case IF_TO_BE_REMOVED: - return sprintf(buff, "disabling\n"); + length = sprintf(buff, "disabling\n"); + break; case IF_INACTIVE: - return sprintf(buff, "inactive\n"); + length = sprintf(buff, "inactive\n"); + break; case IF_ACTIVE: - return sprintf(buff, "active\n"); + length = sprintf(buff, "active\n"); + break; case IF_TO_BE_ACTIVATED: - return sprintf(buff, "enabling\n"); + length = sprintf(buff, "enabling\n"); + break; case IF_NOT_IN_USE: default: - return sprintf(buff, "not in use\n"); + length = sprintf(buff, "not in use\n"); + break; } + + hardif_put(batman_if); + + return length; } static BAT_ATTR(mesh_iface, S_IRUGO | S_IWUSR, |
