diff options
Diffstat (limited to 'net/batman-adv/sysfs.c')
| -rw-r--r-- | net/batman-adv/sysfs.c | 114 |
1 files changed, 104 insertions, 10 deletions
diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c index 6335433310a..fc47baa888c 100644 --- a/net/batman-adv/sysfs.c +++ b/net/batman-adv/sysfs.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2010-2013 B.A.T.M.A.N. contributors: +/* Copyright (C) 2010-2014 B.A.T.M.A.N. contributors: * * Marek Lindner * @@ -12,9 +12,7 @@ * 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 + * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #include "main.h" @@ -31,12 +29,14 @@ static struct net_device *batadv_kobj_to_netdev(struct kobject *obj) { struct device *dev = container_of(obj->parent, struct device, kobj); + return to_net_dev(dev); } static struct batadv_priv *batadv_kobj_to_batpriv(struct kobject *obj) { struct net_device *net_dev = batadv_kobj_to_netdev(obj); + return netdev_priv(net_dev); } @@ -108,7 +108,7 @@ struct batadv_attribute batadv_attr_vlan_##_name = { \ .mode = _mode }, \ .show = _show, \ .store = _store, \ -}; +} /* Use this, if you have customized show and store functions */ #define BATADV_ATTR(_name, _mode, _show, _store) \ @@ -117,7 +117,7 @@ struct batadv_attribute batadv_attr_##_name = { \ .mode = _mode }, \ .show = _show, \ .store = _store, \ -}; +} #define BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \ ssize_t batadv_store_##_name(struct kobject *kobj, \ @@ -126,6 +126,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \ { \ struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ struct batadv_priv *bat_priv = netdev_priv(net_dev); \ + \ return __batadv_store_bool_attr(buff, count, _post_func, attr, \ &bat_priv->_name, net_dev); \ } @@ -135,6 +136,7 @@ ssize_t batadv_show_##_name(struct kobject *kobj, \ struct attribute *attr, char *buff) \ { \ struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ + \ return sprintf(buff, "%s\n", \ atomic_read(&bat_priv->_name) == 0 ? \ "disabled" : "enabled"); \ @@ -157,6 +159,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \ { \ struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ struct batadv_priv *bat_priv = netdev_priv(net_dev); \ + \ return __batadv_store_uint_attr(buff, count, _min, _max, \ _post_func, attr, \ &bat_priv->_name, net_dev); \ @@ -167,6 +170,7 @@ ssize_t batadv_show_##_name(struct kobject *kobj, \ struct attribute *attr, char *buff) \ { \ struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ + \ return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \ } \ @@ -190,6 +194,7 @@ ssize_t batadv_store_vlan_##_name(struct kobject *kobj, \ size_t res = __batadv_store_bool_attr(buff, count, _post_func, \ attr, &vlan->_name, \ bat_priv->soft_iface); \ + \ batadv_softif_vlan_free_ref(vlan); \ return res; \ } @@ -204,6 +209,7 @@ ssize_t batadv_show_vlan_##_name(struct kobject *kobj, \ size_t res = sprintf(buff, "%s\n", \ atomic_read(&vlan->_name) == 0 ? \ "disabled" : "enabled"); \ + \ batadv_softif_vlan_free_ref(vlan); \ return res; \ } @@ -326,13 +332,15 @@ static ssize_t batadv_show_bat_algo(struct kobject *kobj, struct attribute *attr, char *buff) { struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); + return sprintf(buff, "%s\n", bat_priv->bat_algo_ops->name); } -static void batadv_post_gw_deselect(struct net_device *net_dev) +static void batadv_post_gw_reselect(struct net_device *net_dev) { struct batadv_priv *bat_priv = netdev_priv(net_dev); - batadv_gw_deselect(bat_priv); + + batadv_gw_reselect(bat_priv); } static ssize_t batadv_show_gw_mode(struct kobject *kobj, struct attribute *attr, @@ -408,7 +416,16 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj, batadv_info(net_dev, "Changing gw mode from: %s to: %s\n", curr_gw_mode_str, buff); - batadv_gw_deselect(bat_priv); + /* Invoking batadv_gw_reselect() is not enough to really de-select the + * current GW. It will only instruct the gateway client code to perform + * a re-election the next time that this is needed. + * + * When gw client mode is being switched off the current GW must be + * de-selected explicitly otherwise no GW_ADD uevent is thrown on + * client mode re-activation. This is operation is performed in + * batadv_gw_check_client_stop(). + */ + batadv_gw_reselect(bat_priv); /* always call batadv_gw_check_client_stop() before changing the gateway * state */ @@ -443,6 +460,74 @@ static ssize_t batadv_store_gw_bwidth(struct kobject *kobj, return batadv_gw_bandwidth_set(net_dev, buff, count); } +/** + * batadv_show_isolation_mark - print the current isolation mark/mask + * @kobj: kobject representing the private mesh sysfs directory + * @attr: the batman-adv attribute the user is interacting with + * @buff: the buffer that will contain the data to send back to the user + * + * Returns the number of bytes written into 'buff' on success or a negative + * error code in case of failure + */ +static ssize_t batadv_show_isolation_mark(struct kobject *kobj, + struct attribute *attr, char *buff) +{ + struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); + + return sprintf(buff, "%#.8x/%#.8x\n", bat_priv->isolation_mark, + bat_priv->isolation_mark_mask); +} + +/** + * batadv_store_isolation_mark - parse and store the isolation mark/mask entered + * by the user + * @kobj: kobject representing the private mesh sysfs directory + * @attr: the batman-adv attribute the user is interacting with + * @buff: the buffer containing the user data + * @count: number of bytes in the buffer + * + * Returns 'count' on success or a negative error code in case of failure + */ +static ssize_t batadv_store_isolation_mark(struct kobject *kobj, + struct attribute *attr, char *buff, + size_t count) +{ + struct net_device *net_dev = batadv_kobj_to_netdev(kobj); + struct batadv_priv *bat_priv = netdev_priv(net_dev); + uint32_t mark, mask; + char *mask_ptr; + + /* parse the mask if it has been specified, otherwise assume the mask is + * the biggest possible + */ + mask = 0xFFFFFFFF; + mask_ptr = strchr(buff, '/'); + if (mask_ptr) { + *mask_ptr = '\0'; + mask_ptr++; + + /* the mask must be entered in hex base as it is going to be a + * bitmask and not a prefix length + */ + if (kstrtou32(mask_ptr, 16, &mask) < 0) + return -EINVAL; + } + + /* the mark can be entered in any base */ + if (kstrtou32(buff, 0, &mark) < 0) + return -EINVAL; + + bat_priv->isolation_mark_mask = mask; + /* erase bits not covered by the mask */ + bat_priv->isolation_mark = mark & bat_priv->isolation_mark_mask; + + batadv_info(net_dev, + "New skb mark for extended isolation: %#.8x/%#.8x\n", + bat_priv->isolation_mark, bat_priv->isolation_mark_mask); + + return count; +} + BATADV_ATTR_SIF_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL); BATADV_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL); #ifdef CONFIG_BATMAN_ADV_BLA @@ -461,9 +546,12 @@ BATADV_ATTR_SIF_UINT(orig_interval, S_IRUGO | S_IWUSR, 2 * BATADV_JITTER, BATADV_ATTR_SIF_UINT(hop_penalty, S_IRUGO | S_IWUSR, 0, BATADV_TQ_MAX_VALUE, NULL); BATADV_ATTR_SIF_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, BATADV_TQ_MAX_VALUE, - batadv_post_gw_deselect); + batadv_post_gw_reselect); static BATADV_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, batadv_show_gw_bwidth, batadv_store_gw_bwidth); +#ifdef CONFIG_BATMAN_ADV_MCAST +BATADV_ATTR_SIF_BOOL(multicast_mode, S_IRUGO | S_IWUSR, NULL); +#endif #ifdef CONFIG_BATMAN_ADV_DEBUG BATADV_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, BATADV_DBG_ALL, NULL); #endif @@ -471,6 +559,8 @@ BATADV_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, BATADV_DBG_ALL, NULL); BATADV_ATTR_SIF_BOOL(network_coding, S_IRUGO | S_IWUSR, batadv_nc_status_update); #endif +static BATADV_ATTR(isolation_mark, S_IRUGO | S_IWUSR, + batadv_show_isolation_mark, batadv_store_isolation_mark); static struct batadv_attribute *batadv_mesh_attrs[] = { &batadv_attr_aggregated_ogms, @@ -481,6 +571,9 @@ static struct batadv_attribute *batadv_mesh_attrs[] = { #ifdef CONFIG_BATMAN_ADV_DAT &batadv_attr_distributed_arp_table, #endif +#ifdef CONFIG_BATMAN_ADV_MCAST + &batadv_attr_multicast_mode, +#endif &batadv_attr_fragmentation, &batadv_attr_routing_algo, &batadv_attr_gw_mode, @@ -494,6 +587,7 @@ static struct batadv_attribute *batadv_mesh_attrs[] = { #ifdef CONFIG_BATMAN_ADV_NC &batadv_attr_network_coding, #endif + &batadv_attr_isolation_mark, NULL, }; |