[Bluetooth] Add support for extended inquiry responses

This patch adds the handling of the extended inquiry responses and
inserts them into the inquiry cache.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 371e7d3..fa2d12b 100644 (file)
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -463,6 +463,17 @@ struct inquiry_info_with_rssi_and_pscan_mode {
        __s8     rssi;
 } __attribute__ ((packed));
 
+#define HCI_EV_EXTENDED_INQUIRY_RESULT 0x2F
+struct extended_inquiry_info {
+       bdaddr_t bdaddr;
+       __u8     pscan_rep_mode;
+       __u8     pscan_period_mode;
+       __u8     dev_class[3];
+       __u16    clock_offset;
+       __s8     rssi;
+       __u8     data[240];
+} __attribute__ ((packed));
+
 #define HCI_EV_CONN_COMPLETE   0x03
 struct hci_ev_conn_complete {
        __u8     status;

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index d6da093..b61b4e8 100644 (file)
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -558,6 +558,35 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
        hci_dev_unlock(hdev);
 }
 
+/* Extended Inquiry Result */
+static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+       struct inquiry_data data;
+       struct extended_inquiry_info *info = (struct extended_inquiry_info *) (skb->data + 1);
+       int num_rsp = *((__u8 *) skb->data);
+
+       BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
+
+       if (!num_rsp)
+               return;
+
+       hci_dev_lock(hdev);
+
+       for (; num_rsp; num_rsp--) {
+               bacpy(&data.bdaddr, &info->bdaddr);
+               data.pscan_rep_mode     = info->pscan_rep_mode;
+               data.pscan_period_mode  = info->pscan_period_mode;
+               data.pscan_mode         = 0x00;
+               memcpy(data.dev_class, info->dev_class, 3);
+               data.clock_offset       = info->clock_offset;
+               data.rssi               = info->rssi;
+               info++;
+               hci_inquiry_cache_update(hdev, &data);
+       }
+
+       hci_dev_unlock(hdev);
+}
+
 /* Connect Request */
 static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
@@ -940,6 +969,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
                hci_inquiry_result_with_rssi_evt(hdev, skb);
                break;
 
+       case HCI_EV_EXTENDED_INQUIRY_RESULT:
+               hci_extended_inquiry_result_evt(hdev, skb);
+               break;
+
        case HCI_EV_CONN_REQUEST:
                hci_conn_request_evt(hdev, skb);
                break;