Bluetooth: Enabled LE Direct Advertising Report event if supported

When the controller supports the Extended Scanner Filter Policies, it
supports the LE Direct Advertising Report event. However by default
that event is blocked by the LE event mask. It is required to enable
it during controller setup.

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

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index ffebd39..40129b3 100644 (file)
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -343,6 +343,7 @@ enum {
 #define HCI_LE_ENCRYPTION              0x01
 #define HCI_LE_CONN_PARAM_REQ_PROC     0x02
 #define HCI_LE_PING                    0x10
+#define HCI_LE_EXT_SCAN_POLICY         0x80
 
 /* Connection modes */
 #define HCI_CM_ACTIVE  0x0000

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 523700e..da8969e 100644 (file)
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1735,6 +1735,14 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt)
                                                 * Parameter Request
                                                 */
 
+               /* If the controller supports Extended Scanner Filter
+                * Policies, enable the correspondig event.
+                */
+               if (hdev->le_features[0] & HCI_LE_EXT_SCAN_POLICY)
+                       events[1] |= 0x04;      /* LE Direct Advertising
+                                                * Report
+                                                */
+
                hci_req_add(req, HCI_OP_LE_SET_EVENT_MASK, sizeof(events),
                            events);