Bluetooth: Add management command for setting Device ID

The Device ID details need to be programmed into the kernel for every
controller at least once. So provide management command for this.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 1da458d..5e88fda 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -78,6 +78,7 @@
 	MGMT_OP_CONFIRM_NAME,
 	MGMT_OP_BLOCK_DEVICE,
 	MGMT_OP_UNBLOCK_DEVICE,
+	MGMT_OP_SET_DEVICE_ID,
 };
 
 static const u16 mgmt_events[] = {
@@ -2523,6 +2524,30 @@
 	return err;
 }
 
+static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
+			 u16 len)
+{
+	struct mgmt_cp_set_device_id *cp = data;
+	int err;
+
+	BT_DBG("%s", hdev->name);
+
+	hci_dev_lock(hdev);
+
+	hdev->devid_source = __le16_to_cpu(cp->source);
+	hdev->devid_vendor = __le16_to_cpu(cp->vendor);
+	hdev->devid_product = __le16_to_cpu(cp->product);
+	hdev->devid_version = __le16_to_cpu(cp->version);
+
+	err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
+
+	update_eir(hdev);
+
+	hci_dev_unlock(hdev);
+
+	return err;
+}
+
 static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
 				void *data, u16 len)
 {
@@ -2669,6 +2694,7 @@
 	{ confirm_name,           false, MGMT_CONFIRM_NAME_SIZE },
 	{ block_device,           false, MGMT_BLOCK_DEVICE_SIZE },
 	{ unblock_device,         false, MGMT_UNBLOCK_DEVICE_SIZE },
+	{ set_device_id,          false, MGMT_SET_DEVICE_ID_SIZE },
 };