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Diffstat (limited to 'net/batman-adv/debugfs.c')
-rw-r--r--net/batman-adv/debugfs.c95
1 files changed, 91 insertions, 4 deletions
diff --git a/net/batman-adv/debugfs.c b/net/batman-adv/debugfs.c
index 049a7a2ac5b6..b758881be108 100644
--- a/net/batman-adv/debugfs.c
+++ b/net/batman-adv/debugfs.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"
@@ -250,6 +248,19 @@ static int batadv_originators_open(struct inode *inode, struct file *file)
return single_open(file, batadv_orig_seq_print_text, net_dev);
}
+/**
+ * batadv_originators_hardif_open - handles debugfs output for the
+ * originator table of an hard interface
+ * @inode: inode pointer to debugfs file
+ * @file: pointer to the seq_file
+ */
+static int batadv_originators_hardif_open(struct inode *inode,
+ struct file *file)
+{
+ struct net_device *net_dev = (struct net_device *)inode->i_private;
+ return single_open(file, batadv_orig_hardif_seq_print_text, net_dev);
+}
+
static int batadv_gateways_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
@@ -371,6 +382,28 @@ static struct batadv_debuginfo *batadv_mesh_debuginfos[] = {
NULL,
};
+#define BATADV_HARDIF_DEBUGINFO(_name, _mode, _open) \
+struct batadv_debuginfo batadv_hardif_debuginfo_##_name = { \
+ .attr = { \
+ .name = __stringify(_name), \
+ .mode = _mode, \
+ }, \
+ .fops = { \
+ .owner = THIS_MODULE, \
+ .open = _open, \
+ .read = seq_read, \
+ .llseek = seq_lseek, \
+ .release = single_release, \
+ }, \
+};
+static BATADV_HARDIF_DEBUGINFO(originators, S_IRUGO,
+ batadv_originators_hardif_open);
+
+static struct batadv_debuginfo *batadv_hardif_debuginfos[] = {
+ &batadv_hardif_debuginfo_originators,
+ NULL,
+};
+
void batadv_debugfs_init(void)
{
struct batadv_debuginfo **bat_debug;
@@ -398,6 +431,7 @@ void batadv_debugfs_init(void)
return;
err:
debugfs_remove_recursive(batadv_debugfs);
+ batadv_debugfs = NULL;
}
void batadv_debugfs_destroy(void)
@@ -406,6 +440,59 @@ void batadv_debugfs_destroy(void)
batadv_debugfs = NULL;
}
+/**
+ * batadv_debugfs_add_hardif - creates the base directory for a hard interface
+ * in debugfs.
+ * @hard_iface: hard interface which should be added.
+ */
+int batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface)
+{
+ struct batadv_debuginfo **bat_debug;
+ struct dentry *file;
+
+ if (!batadv_debugfs)
+ goto out;
+
+ hard_iface->debug_dir = debugfs_create_dir(hard_iface->net_dev->name,
+ batadv_debugfs);
+ if (!hard_iface->debug_dir)
+ goto out;
+
+ for (bat_debug = batadv_hardif_debuginfos; *bat_debug; ++bat_debug) {
+ file = debugfs_create_file(((*bat_debug)->attr).name,
+ S_IFREG | ((*bat_debug)->attr).mode,
+ hard_iface->debug_dir,
+ hard_iface->net_dev,
+ &(*bat_debug)->fops);
+ if (!file)
+ goto rem_attr;
+ }
+
+ return 0;
+rem_attr:
+ debugfs_remove_recursive(hard_iface->debug_dir);
+ hard_iface->debug_dir = NULL;
+out:
+#ifdef CONFIG_DEBUG_FS
+ return -ENOMEM;
+#else
+ return 0;
+#endif /* CONFIG_DEBUG_FS */
+}
+
+/**
+ * batadv_debugfs_del_hardif - delete the base directory for a hard interface
+ * in debugfs.
+ * @hard_iface: hard interface which is deleted.
+ */
+void batadv_debugfs_del_hardif(struct batadv_hard_iface *hard_iface)
+{
+ if (batadv_debugfs) {
+ debugfs_remove_recursive(hard_iface->debug_dir);
+ hard_iface->debug_dir = NULL;
+ }
+}
+
int batadv_debugfs_add_meshif(struct net_device *dev)
{
struct batadv_priv *bat_priv = netdev_priv(dev);