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Bluetooth: Expose remote OOB information as debugfs entry

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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);