3 files changed, 32 insertions, 5 deletions

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 744713c..148b216 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -110,6 +110,16 @@ enum {
 	 * This quirk must be set before hci_register_dev is called.
 	 */
 	HCI_QUIRK_BROKEN_STORED_LINK_KEY,
+
+	/* When this quirk is set, the public Bluetooth address
+	 * initially reported by HCI Read BD Address command
+	 * is considered invalid. Controller configuration is
+	 * required before this device can be used.
+	 *
+	 * This quirk can be set before hci_register_dev is called or
+	 * during the hdev->setup vendor callback.
+	 */
+	HCI_QUIRK_INVALID_BDADDR,
 };
 
 /* HCI device flags */
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 038b474..c92bee8 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2246,9 +2246,13 @@ static int hci_dev_do_open(struct hci_dev *hdev)
 	atomic_set(&hdev->cmd_cnt, 1);
 	set_bit(HCI_INIT, &hdev->flags);
 
-	if (hdev->setup && test_bit(HCI_SETUP, &hdev->dev_flags))
+	if (hdev->setup && test_bit(HCI_SETUP, &hdev->dev_flags)) {
 		ret = hdev->setup(hdev);
 
+		if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks))
+			set_bit(HCI_UNCONFIGURED, &hdev->dev_flags);
+	}
+
 	/* If public address change is configured, ensure that the
 	 * address gets programmed. If the driver does not support
 	 * changing the public address, fail the power on procedure.
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 90eabca..c7e5d46 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -441,10 +441,22 @@ static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
 	return err;
 }
 
+static __le32 get_missing_options(struct hci_dev *hdev)
+{
+	u32 options = 0;
+
+	if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
+	    !bacmp(&hdev->public_addr, BDADDR_ANY))
+		options |= MGMT_OPTION_PUBLIC_ADDRESS;
+
+	return cpu_to_le32(options);
+}
+
 static int read_config_info(struct sock *sk, struct hci_dev *hdev,
 			    void *data, u16 data_len)
 {
 	struct mgmt_rp_read_config_info rp;
+	u32 options = 0;
 
 	BT_DBG("sock %p %s", sk, hdev->name);
 
@@ -452,11 +464,12 @@ static int read_config_info(struct sock *sk, struct hci_dev *hdev,
 
 	memset(&rp, 0, sizeof(rp));
 	rp.manufacturer = cpu_to_le16(hdev->manufacturer);
+
 	if (hdev->set_bdaddr)
-		rp.supported_options = cpu_to_le32(MGMT_OPTION_PUBLIC_ADDRESS);
-	else
-		rp.supported_options = cpu_to_le32(0);
-	rp.missing_options = cpu_to_le32(0);
+		options |= MGMT_OPTION_PUBLIC_ADDRESS;
+
+	rp.supported_options = cpu_to_le32(options);
+	rp.missing_options = get_missing_options(hdev);
 
 	hci_dev_unlock(hdev);