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Bluetooth: Expose remote OOB information as debugfs entry 

For debugging purposes it is good to know which OOB data is actually
currently loaded for each controller. So expose that list via debugfs.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2015-01-31 21:01:07 -08:00 committed by Johan Hedberg
parent 5789f37cbc
commit 6858bcd073
1 changed files with 31 additions and 0 deletions
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31
net/bluetooth/hci_debugfs.c
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@ -156,6 +156,35 @@ static const struct file_operations uuids_fops = {
.release = single_release,
};
static int remote_oob_show(struct seq_file *f, void *ptr)
{
struct hci_dev *hdev = f->private;
struct oob_data *data;
hci_dev_lock(hdev);
list_for_each_entry(data, &hdev->remote_oob_data, list) {
seq_printf(f, "%pMR (type %u) %u %*phN %*phN %*phN %*phN\n",
&data->bdaddr, data->bdaddr_type, data->present,
16, data->hash192, 16, data->rand192,
16, data->hash256, 19, data->rand256);
}
hci_dev_unlock(hdev);
return 0;
}
static int remote_oob_open(struct inode *inode, struct file *file)
{
return single_open(file, remote_oob_show, inode->i_private);
}
static const struct file_operations remote_oob_fops = {
.open = remote_oob_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int conn_info_min_age_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
@ -264,6 +293,8 @@ void hci_debugfs_create_common(struct hci_dev *hdev)
debugfs_create_file("blacklist", 0444, hdev->debugfs, hdev,
&blacklist_fops);
debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops);
debugfs_create_file("remote_oob", 0400, hdev->debugfs, hdev,
&remote_oob_fops);
debugfs_create_file("conn_info_min_age", 0644, hdev->debugfs, hdev,
&conn_info_min_age_fops);