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Commit 32c2ece5 authored by Johan Hedberg's avatar Johan Hedberg Committed by Marcel Holtmann
Browse files

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: default avatarJohan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent f0358568

net/bluetooth/hci_sysfs.c

+38 −0
Original line number Diff line number Diff line
@@ -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;

}