This patch implements LE Set Scan Enable command for dual
mode and Low Energy hci controllers. It also adds new HCI flags
in order to indicate the LE Scanning state for userland applications
and kernel itself.
Signed-off-by: Anderson Briglia <anderson.briglia@xxxxxxxxxxxxx>
---
include/net/bluetooth/hci.h | 5 +++++
net/bluetooth/hci_event.c | 25 +++++++++++++++++++++++++
2 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index cae1816..268aa94 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -77,6 +77,7 @@ enum {
HCI_RAW,
HCI_LE_ADV,
+ HCI_LE_SCAN,
};
/* HCI ioctl defines */
@@ -599,6 +600,10 @@ struct hci_rp_read_bd_addr {
#define ADVERTISE_ENABLED 0x01
#define ADVERTISE_DISABLED 0x00
+#define HCI_OP_LE_SET_SCAN_ENABLE 0x200c
+ #define LESCAN_ENABLED 0x01
+ #define LESCAN_DISABLED 0x00
+
/* ---- HCI Events ---- */
#define HCI_EV_INQUIRY_COMPLETE 0x01
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index c86c655..f483801 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -845,6 +845,27 @@ static void hci_cc_le_set_advertise(struct hci_dev *hdev, struct sk_buff *skb)
hci_req_complete(hdev, status);
}
+static void hci_cc_le_set_scan(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+ void *sent;
+
+ BT_DBG("%s status 0x%x", hdev->name, status);
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
+ if (!sent)
+ return;
+
+ clear_bit(HCI_LE_SCAN, &hdev->flags);
+ if (!status) {
+ __u8 param = *((__u8 *) sent);
+ if (param & LESCAN_ENABLED)
+ set_bit(HCI_LE_SCAN, &hdev->flags);
+ }
+
+ hci_req_complete(hdev, status);
+}
+
static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
@@ -1337,6 +1358,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_cc_le_set_advertise(hdev, skb);
break;
+ case HCI_OP_LE_SET_SCAN_ENABLE:
+ hci_cc_le_set_scan(hdev, skb);
+ break;
+
default:
BT_DBG("%s opcode 0x%x", hdev->name, opcode);
break;
--
1.7.0.4
--
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