[B.A.T.M.A.N.] [PATCH 3/3] batman-adv: allowing changing the routing algorithm via sysfs

Marek Lindner
2011-12-05T09:56:25Z

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
---
bat_sysfs.c | 35 +++++++++++++++++++++++++++++++++++
sysfs-class-net-mesh | 7 +++++++
2 files changed, 42 insertions(+), 0 deletions(-)

diff --git a/bat_sysfs.c b/bat_sysfs.c
index c25492f..af8dd58 100644
--- a/bat_sysfs.c
+++ b/bat_sysfs.c
@@ -272,6 +272,39 @@ static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr,
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 ssize_t store_bat_algo(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);
+ int ret;
+
+ if (buff[count - 1] == '\n')
+ buff[count - 1] = '\0';
+ else
+ buff[count] = '\0';
+
+ if (strcmp(bat_priv->bat_algo_ops->name, buff) == 0)
+ return count;
+
+ ret = bat_algo_select(bat_priv, buff);
+ if (ret < 0)
+ bat_info(net_dev,
+ "Invalid parameter for 'routing algorithm' setting "
+ "received: %s\n", buff);
+ else
+ bat_info(net_dev, "Changing routing algorithm to: %s\n", buff);
+
+ return count;
+}
+
static void post_gw_deselect(struct net_device *net_dev)
{
struct bat_priv *bat_priv = netdev_priv(net_dev);
@@ -382,6 +415,7 @@ BAT_ATTR_BOOL(bonding, S_IRUGO | S_IWUSR, NULL);
BAT_ATTR_BOOL(fragmentation, S_IRUGO | S_IWUSR, update_min_mtu);
BAT_ATTR_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 | S_IWUSR, show_bat_algo, store_bat_algo);
static BAT_ATTR(gw_mode, S_IRUGO | S_IWUSR, show_gw_mode, store_gw_mode);
BAT_ATTR_UINT(orig_interval, S_IRUGO | S_IWUSR, 2 * JITTER, INT_MAX, NULL);
BAT_ATTR_UINT(hop_penalty, S_IRUGO | S_IWUSR, 0, TQ_MAX_VALUE, NULL);
@@ -399,6 +433,7 @@ static struct bat_attribute *mesh_attrs[] = {
&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,
diff --git a/sysfs-class-net-mesh b/sysfs-class-net-mesh
index b020014..b218e0f 100644
--- a/sysfs-class-net-mesh
+++ b/sysfs-class-net-mesh
@@ -65,6 +65,13 @@ Description:
Defines the penalty which will be applied to an
originator message's tq-field on every hop.

+What: /sys/class/net/<mesh_iface>/mesh/routing_algo
+Date: Dec 2011
+Contact: Marek Lindner <lindner_marek@yahoo.de>
+Description:
+ Defines the routing procotol this mesh instance
+ uses to find the optimal paths through the mesh.
+
What: /sys/class/net/<mesh_iface>/mesh/vis_mode
Date: May 2010
Contact: Marek Lindner <lindner_marek@yahoo.de>
--
1.7.5.4