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: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NJohan Hedberg <johan.hedberg@intel.com>

include/net/bluetooth/mgmt.h

@@ -341,6 +341,15 @@ struct mgmt_cp_unblock_device {
 } __packed;
 #define MGMT_UNBLOCK_DEVICE_SIZE	MGMT_ADDR_INFO_SIZE
 
+#define MGMT_OP_SET_DEVICE_ID		0x0028
+struct mgmt_cp_set_device_id {
+	__le16	source;
+	__le16	vendor;
+	__le16	product;
+	__le16	version;
+} __packed;
+#define MGMT_SET_DEVICE_ID_SIZE		8
+
 #define MGMT_EV_CMD_COMPLETE		0x0001
 struct mgmt_ev_cmd_complete {
 	__le16	opcode;

net/bluetooth/mgmt.c

@@ -78,6 +78,7 @@ static const u16 mgmt_commands[] = {
 	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 @@ static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
 	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 @@ struct mgmt_handler {
 	{ 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 },
 };