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Bluetooth: Expose default supervision timeout setting via debugfs
The controller has a default value for the supervision timeout. Expose this via debugfs for testing purposes. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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1 changed files with 30 additions and 0 deletions
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@ -879,6 +879,34 @@ static int conn_latency_get(void *data, u64 *val)
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DEFINE_SIMPLE_ATTRIBUTE(conn_latency_fops, conn_latency_get,
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conn_latency_set, "%llu\n");
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static int supervision_timeout_set(void *data, u64 val)
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{
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struct hci_dev *hdev = data;
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if (val < 0x000a || val > 0x0c80)
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return -EINVAL;
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hci_dev_lock(hdev);
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hdev->le_supv_timeout = val;
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hci_dev_unlock(hdev);
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return 0;
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}
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static int supervision_timeout_get(void *data, u64 *val)
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{
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struct hci_dev *hdev = data;
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hci_dev_lock(hdev);
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*val = hdev->le_supv_timeout;
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hci_dev_unlock(hdev);
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return 0;
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}
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DEFINE_SIMPLE_ATTRIBUTE(supervision_timeout_fops, supervision_timeout_get,
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supervision_timeout_set, "%llu\n");
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static int adv_channel_map_set(void *data, u64 val)
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{
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struct hci_dev *hdev = data;
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@ -1738,6 +1766,8 @@ static int __hci_init(struct hci_dev *hdev)
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hdev, &conn_max_interval_fops);
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debugfs_create_file("conn_latency", 0644, hdev->debugfs,
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hdev, &conn_latency_fops);
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debugfs_create_file("supervision_timeout", 0644, hdev->debugfs,
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hdev, &supervision_timeout_fops);
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debugfs_create_file("adv_channel_map", 0644, hdev->debugfs,
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hdev, &adv_channel_map_fops);
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debugfs_create_file("device_list", 0444, hdev->debugfs, hdev,
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