Bluetooth: Add debugfs support for showing the blacklist
This patch adds a debugfs blacklist entry for each HCI device which can
be used to list the current content of the blacklist.
Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 463ffa4..ce44c47 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -436,6 +436,41 @@
.release = single_release,
};
+static int blacklist_show(struct seq_file *f, void *p)
+{
+ struct hci_dev *hdev = f->private;
+ struct bdaddr_list *blacklist = &hdev->blacklist;
+ struct list_head *l;
+
+ hci_dev_lock_bh(hdev);
+
+ list_for_each(l, &blacklist->list) {
+ struct bdaddr_list *b;
+ bdaddr_t bdaddr;
+
+ b = list_entry(l, struct bdaddr_list, list);
+
+ baswap(&bdaddr, &b->bdaddr);
+
+ seq_printf(f, "%s\n", batostr(&bdaddr));
+ }
+
+ hci_dev_unlock_bh(hdev);
+
+ return 0;
+}
+
+static int blacklist_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, blacklist_show, inode->i_private);
+}
+
+static const struct file_operations blacklist_fops = {
+ .open = blacklist_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
int hci_register_sysfs(struct hci_dev *hdev)
{
struct device *dev = &hdev->dev;
@@ -465,6 +500,9 @@
debugfs_create_file("inquiry_cache", 0444, hdev->debugfs,
hdev, &inquiry_cache_fops);
+ debugfs_create_file("blacklist", 0444, hdev->debugfs,
+ hdev, &blacklist_fops);
+
return 0;
}