Bluetooth: Add definitions for LE set address resolution

Add the definitions for LE address resolution enable HCI commands.
When the LE address resolution enable gets changed via HCI commands
make sure that flag gets updated.

Signed-off-by: Ankit Navik <ankit.p.navik@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

include/net/bluetooth/hci.h

@@ -269,6 +269,7 @@ enum {
 	HCI_VENDOR_DIAG,
 	HCI_FORCE_BREDR_SMP,
 	HCI_FORCE_STATIC_ADDR,
+	HCI_LL_RPA_RESOLUTION,
 
 	__HCI_NUM_FLAGS,
 };
@@ -1524,6 +1525,8 @@ struct hci_rp_le_read_resolv_list_size {
 	__u8	size;
 } __packed;
 
+#define HCI_OP_LE_SET_ADDR_RESOLV_ENABLE 0x202d
+
 #define HCI_OP_LE_READ_MAX_DATA_LEN	0x202f
 struct hci_rp_le_read_max_data_len {
 	__u8	status;

net/bluetooth/hci_event.c

@@ -1480,6 +1480,30 @@ static void hci_cc_le_read_resolv_list_size(struct hci_dev *hdev,
 	hdev->le_resolv_list_size = rp->size;
 }
 
+static void hci_cc_le_set_addr_resolution_enable(struct hci_dev *hdev,
+						struct sk_buff *skb)
+{
+	__u8 *sent, status = *((__u8 *) skb->data);
+
+	BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+	if (status)
+		return;
+
+	sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADDR_RESOLV_ENABLE);
+	if (!sent)
+		return;
+
+	hci_dev_lock(hdev);
+
+	if (*sent)
+		hci_dev_set_flag(hdev, HCI_LL_RPA_RESOLUTION);
+	else
+		hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);
+
+	hci_dev_unlock(hdev);
+}
+
 static void hci_cc_le_read_max_data_len(struct hci_dev *hdev,
 					struct sk_buff *skb)
 {
@@ -3263,6 +3287,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb,
 		hci_cc_le_read_resolv_list_size(hdev, skb);
 		break;
 
+	case HCI_OP_LE_SET_ADDR_RESOLV_ENABLE:
+		hci_cc_le_set_addr_resolution_enable(hdev, skb);
+		break;
+
 	case HCI_OP_LE_READ_MAX_DATA_LEN:
 		hci_cc_le_read_max_data_len(hdev, skb);
 		break;