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Bluetooth: Add debugfs support for showing the blacklist

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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>
This commit is contained in:
Johan Hedberg 2010-05-18 13:54:49 +02:00 committed by Marcel Holtmann
parent f03585689f
commit 32c2ece5ea
1 changed files with 38 additions and 0 deletions
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38
net/bluetooth/hci_sysfs.c
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@ -436,6 +436,41 @@ static const struct file_operations inquiry_cache_fops = {
.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 @@ int hci_register_sysfs(struct hci_dev *hdev)
debugfs_create_file("inquiry_cache", 0444, hdev->debugfs,
hdev, &inquiry_cache_fops);
debugfs_create_file("blacklist", 0444, hdev->debugfs,
hdev, &blacklist_fops);
return 0;
}