batman-adv: add infrastructure to change routing algorithm at runtime

[deliverable/linux.git] / net / batman-adv / bat_debugfs.c

diff --git a/net/batman-adv/bat_debugfs.c b/net/batman-adv/bat_debugfs.c
index d0af9bf69e460bf881f6661003c360e60b44773b..a7a393eeb9351ad0780e6234a8e797cd1c4ba75c 100644 (file)
--- a/net/batman-adv/bat_debugfs.c
+++ b/net/batman-adv/bat_debugfs.c
@@ -221,6 +221,11 @@ static void debug_log_cleanup(struct bat_priv *bat_priv)
 }
 #endif
 
+static int bat_algorithms_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, bat_algo_seq_print_text, NULL);
+}
+
 static int originators_open(struct inode *inode, struct file *file)
 {
        struct net_device *net_dev = (struct net_device *)inode->i_private;
@@ -274,6 +279,7 @@ struct bat_debuginfo bat_debuginfo_##_name = {      \
                }                               \
 };
 
+static BAT_DEBUGINFO(routing_algos, S_IRUGO, bat_algorithms_open);
 static BAT_DEBUGINFO(originators, S_IRUGO, originators_open);
 static BAT_DEBUGINFO(gateways, S_IRUGO, gateways_open);
 static BAT_DEBUGINFO(softif_neigh, S_IRUGO, softif_neigh_open);
@@ -293,9 +299,25 @@ static struct bat_debuginfo *mesh_debuginfos[] = {
 
 void debugfs_init(void)
 {
+       struct bat_debuginfo *bat_debug;
+       struct dentry *file;
+
        bat_debugfs = debugfs_create_dir(DEBUGFS_BAT_SUBDIR, NULL);
        if (bat_debugfs == ERR_PTR(-ENODEV))
                bat_debugfs = NULL;
+
+       if (!bat_debugfs)
+               goto out;
+
+       bat_debug = &bat_debuginfo_routing_algos;
+       file = debugfs_create_file(bat_debug->attr.name,
+                                  S_IFREG | bat_debug->attr.mode,
+                                  bat_debugfs, NULL, &bat_debug->fops);
+       if (!file)
+               pr_err("Can't add debugfs file: %s\n", bat_debug->attr.name);
+
+out:
+       return;
 }
 
 void debugfs_destroy(void)