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| author | Marcel Holtmann <marcel@holtmann.org> | 2014-06-30 12:34:37 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-07-03 17:42:51 +0200 |
| commit | 816a93d10a2809f09ce81e9fef638380d68d2c6d (patch) | |
| tree | d5336fecacb71beedb46d50b89ebc5c54695ceb5 /net/bluetooth/hci_core.c | |
| parent | 04fb7d9066dd9173ef0d4ccea8fe3bb59bd94605 (diff) | |
| download | lwn-816a93d10a2809f09ce81e9fef638380d68d2c6d.tar.gz lwn-816a93d10a2809f09ce81e9fef638380d68d2c6d.zip | |
Bluetooth: Expose default connection latency setting via debugfs
The controller has a default value for the connection latency. Expose
this via debugfs for testing purposes.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Diffstat (limited to 'net/bluetooth/hci_core.c')
| -rw-r--r-- | net/bluetooth/hci_core.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 94551c33c4c6..79d292cfb867 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -851,6 +851,34 @@ static int conn_max_interval_get(void *data, u64 *val) DEFINE_SIMPLE_ATTRIBUTE(conn_max_interval_fops, conn_max_interval_get, conn_max_interval_set, "%llu\n"); +static int conn_latency_set(void *data, u64 val) +{ + struct hci_dev *hdev = data; + + if (val > 0x01f3) + return -EINVAL; + + hci_dev_lock(hdev); + hdev->le_conn_latency = val; + hci_dev_unlock(hdev); + + return 0; +} + +static int conn_latency_get(void *data, u64 *val) +{ + struct hci_dev *hdev = data; + + hci_dev_lock(hdev); + *val = hdev->le_conn_latency; + hci_dev_unlock(hdev); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(conn_latency_fops, conn_latency_get, + conn_latency_set, "%llu\n"); + static int adv_channel_map_set(void *data, u64 val) { struct hci_dev *hdev = data; @@ -1708,6 +1736,8 @@ static int __hci_init(struct hci_dev *hdev) hdev, &conn_min_interval_fops); debugfs_create_file("conn_max_interval", 0644, hdev->debugfs, hdev, &conn_max_interval_fops); + debugfs_create_file("conn_latency", 0644, hdev->debugfs, + hdev, &conn_latency_fops); debugfs_create_file("adv_channel_map", 0644, hdev->debugfs, hdev, &adv_channel_map_fops); debugfs_create_file("device_list", 0444, hdev->debugfs, hdev, |