batman-adv: add debugfs structure for information per interface

To show information per interface, add a debugfs hardif structure
similar to the system in sysfs. Hard interface folders will be created
in "$debugfs/batman-adv/". Files are not yet added.

Signed-off-by: Simon Wunderlich <simon@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index bebd46ce0ebd..3f0e41a50514 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -23,6 +23,7 @@
 #include "translation-table.h"
 #include "routing.h"
 #include "sysfs.h"
+#include "debugfs.h"
 #include "originator.h"
 #include "hash.h"
 #include "bridge_loop_avoidance.h"
@@ -539,6 +540,7 @@ static void batadv_hardif_remove_interface_finish(struct work_struct *work)
         hard_iface = container_of(work, struct batadv_hard_iface,
                                   cleanup_work);
 
+        batadv_debugfs_del_hardif(hard_iface);
         batadv_sysfs_del_hardif(&hard_iface->hardif_obj);
         batadv_hardif_free_ref(hard_iface);
 }
@@ -569,6 +571,11 @@ batadv_hardif_add_interface(struct net_device *net_dev)
         hard_iface->net_dev = net_dev;
         hard_iface->soft_iface = NULL;
         hard_iface->if_status = BATADV_IF_NOT_IN_USE;
+
+        ret = batadv_debugfs_add_hardif(hard_iface);
+        if (ret)
+                goto free_sysfs;
+
         INIT_LIST_HEAD(&hard_iface->list);
         INIT_WORK(&hard_iface->cleanup_work,
                   batadv_hardif_remove_interface_finish);
@@ -585,6 +592,8 @@ batadv_hardif_add_interface(struct net_device *net_dev)
 
         return hard_iface;
 
+free_sysfs:
+        batadv_sysfs_del_hardif(&hard_iface->hardif_obj);
 free_if:
         kfree(hard_iface);
 release_dev: