Bluetooth: Use ADV_SCAN_IND for adv. instances

With this patch, ADV_SCAN_IND will be used for advertising instances
that have non-zero scan response data while the global "connectable"
setting is "off".

Signed-off-by: Arman Uguray <armansito@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 20 insertions, 1 deletions

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index d998ec360598..2d84fc16e108 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -994,6 +994,18 @@ static u32 get_adv_instance_flags(struct hci_dev *hdev, u8 instance)
         return flags;
 }
 
+static u8 get_adv_instance_scan_rsp_len(struct hci_dev *hdev, u8 instance)
+{
+        /* Ignore instance 0 and other unsupported instances */
+        if (instance != 0x01)
+                return 0;
+
+        /* TODO: Take into account the "appearance" and "local-name" flags here.
+         * These are currently being ignored as they are not supported.
+         */
+        return hdev->adv_instance.scan_rsp_len;
+}
+
 static u8 create_instance_adv_data(struct hci_dev *hdev, u8 instance, u8 *ptr)
 {
         u8 ad_len = 0, flags = 0;
@@ -1260,7 +1272,14 @@ static void enable_advertising(struct hci_request *req)
         memset(&cp, 0, sizeof(cp));
         cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval);
         cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval);
-        cp.type = connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND;
+
+        if (connectable)
+                cp.type = LE_ADV_IND;
+        else if (get_adv_instance_scan_rsp_len(hdev, instance))
+                cp.type = LE_ADV_SCAN_IND;
+        else
+                cp.type = LE_ADV_NONCONN_IND;
+
         cp.own_address_type = own_addr_type;
         cp.channel_map = hdev->le_adv_channel_map;