3 files changed, 51 insertions, 0 deletions

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 3be2905010cd..3a8e22e9b25d 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -151,6 +151,7 @@ struct hci_dev {
 	__u8		bus;
 	__u8		dev_type;
 	bdaddr_t	bdaddr;
+	bdaddr_t	random_addr;
 	bdaddr_t	static_addr;
 	__u8		own_addr_type;
 	__u8		dev_name[HCI_MAX_NAME_LENGTH];
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index b25a36c3064b..877330b4876f 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -548,6 +548,29 @@ static int sniff_max_interval_get(void *data, u64 *val)
 DEFINE_SIMPLE_ATTRIBUTE(sniff_max_interval_fops, sniff_max_interval_get,
 			sniff_max_interval_set, "%llu\n");
 
+static int random_address_show(struct seq_file *f, void *p)
+{
+	struct hci_dev *hdev = f->private;
+
+	hci_dev_lock(hdev);
+	seq_printf(f, "%pMR\n", &hdev->random_addr);
+	hci_dev_unlock(hdev);
+
+	return 0;
+}
+
+static int random_address_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, random_address_show, inode->i_private);
+}
+
+static const struct file_operations random_address_fops = {
+	.open		= random_address_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
 static int static_address_show(struct seq_file *f, void *p)
 {
 	struct hci_dev *hdev = f->private;
@@ -1557,6 +1580,8 @@ static int __hci_init(struct hci_dev *hdev)
 	}
 
 	if (lmp_le_capable(hdev)) {
+		debugfs_create_file("random_address", 0444, hdev->debugfs,
+				    hdev, &random_address_fops);
 		debugfs_create_file("static_address", 0444, hdev->debugfs,
 				    hdev, &static_address_fops);
 
@@ -2205,6 +2230,7 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 
 	memset(hdev->eir, 0, sizeof(hdev->eir));
 	memset(hdev->dev_class, 0, sizeof(hdev->dev_class));
+	bacpy(&hdev->random_addr, BDADDR_ANY);
 
 	hci_req_unlock(hdev);
 
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 7228fa100b1f..4327b129d38e 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -959,6 +959,26 @@ static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
 	hci_dev_unlock(hdev);
 }
 
+
+static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	__u8 status = *((__u8 *) skb->data);
+	bdaddr_t *sent;
+
+	BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+	sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
+	if (!sent)
+		return;
+
+	hci_dev_lock(hdev);
+
+	if (!status)
+		bacpy(&hdev->random_addr, sent);
+
+	hci_dev_unlock(hdev);
+}
+
 static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
 {
 	__u8 *sent, status = *((__u8 *) skb->data);
@@ -2308,6 +2328,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 		hci_cc_user_passkey_neg_reply(hdev, skb);
 		break;
 
+	case HCI_OP_LE_SET_RANDOM_ADDR:
+		hci_cc_le_set_random_addr(hdev, skb);
+		break;
+
 	case HCI_OP_LE_SET_ADV_ENABLE:
 		hci_cc_le_set_adv_enable(hdev, skb);
 		break;