Bluetooth: Handle extended ADV PDU types
authorJaganath Kanakkassery <jaganath.k.os@gmail.com>
Thu, 19 Jul 2018 11:39:38 +0000 (17:09 +0530)
committerMarcel Holtmann <marcel@holtmann.org>
Mon, 30 Jul 2018 11:44:52 +0000 (13:44 +0200)
This patch defines the extended ADV types and handle it in ADV report.

Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
include/net/bluetooth/hci.h
net/bluetooth/hci_event.c

index 04211457367a2d200e528e97d653f9ba4d006519..83a1593a128edca24959b884d26874526c14b163 100644 (file)
@@ -1976,6 +1976,14 @@ struct hci_ev_le_conn_complete {
 #define LE_LEGACY_SCAN_RSP_ADV         0x001b
 #define LE_LEGACY_SCAN_RSP_ADV_SCAN    0x001a
 
+/* Extended Advertising event types */
+#define LE_EXT_ADV_NON_CONN_IND                0x0000
+#define LE_EXT_ADV_CONN_IND            0x0001
+#define LE_EXT_ADV_SCAN_IND            0x0002
+#define LE_EXT_ADV_DIRECT_IND          0x0004
+#define LE_EXT_ADV_SCAN_RSP            0x0008
+#define LE_EXT_ADV_LEGACY_PDU          0x0010
+
 #define ADDR_LE_DEV_PUBLIC     0x00
 #define ADDR_LE_DEV_RANDOM     0x01
 
index 694231541a4cb6adf16af952649b34f9638e872c..5fa00f488cfcf43fb60ced97a03187c9bd5ff901 100644 (file)
@@ -5137,21 +5137,45 @@ static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
        hci_dev_unlock(hdev);
 }
 
-static u8 convert_legacy_evt_type(u16 evt_type)
-{
-       switch (evt_type) {
-       case LE_LEGACY_ADV_IND:
+static u8 ext_evt_type_to_legacy(u16 evt_type)
+{
+       if (evt_type & LE_EXT_ADV_LEGACY_PDU) {
+               switch (evt_type) {
+               case LE_LEGACY_ADV_IND:
+                       return LE_ADV_IND;
+               case LE_LEGACY_ADV_DIRECT_IND:
+                       return LE_ADV_DIRECT_IND;
+               case LE_LEGACY_ADV_SCAN_IND:
+                       return LE_ADV_SCAN_IND;
+               case LE_LEGACY_NONCONN_IND:
+                       return LE_ADV_NONCONN_IND;
+               case LE_LEGACY_SCAN_RSP_ADV:
+               case LE_LEGACY_SCAN_RSP_ADV_SCAN:
+                       return LE_ADV_SCAN_RSP;
+               }
+
+               BT_ERR_RATELIMITED("Unknown advertising packet type: 0x%02x",
+                                  evt_type);
+
+               return LE_ADV_INVALID;
+       }
+
+       if (evt_type & LE_EXT_ADV_CONN_IND) {
+               if (evt_type & LE_EXT_ADV_DIRECT_IND)
+                       return LE_ADV_DIRECT_IND;
+
                return LE_ADV_IND;
-       case LE_LEGACY_ADV_DIRECT_IND:
-               return LE_ADV_DIRECT_IND;
-       case LE_LEGACY_ADV_SCAN_IND:
+       }
+
+       if (evt_type & LE_EXT_ADV_SCAN_RSP)
+               return LE_ADV_SCAN_RSP;
+
+       if (evt_type & LE_EXT_ADV_SCAN_IND)
                return LE_ADV_SCAN_IND;
-       case LE_LEGACY_NONCONN_IND:
+
+       if (evt_type == LE_EXT_ADV_NON_CONN_IND ||
+           evt_type & LE_EXT_ADV_DIRECT_IND)
                return LE_ADV_NONCONN_IND;
-       case LE_LEGACY_SCAN_RSP_ADV:
-       case LE_LEGACY_SCAN_RSP_ADV_SCAN:
-               return LE_ADV_SCAN_RSP;
-       }
 
        BT_ERR_RATELIMITED("Unknown advertising packet type: 0x%02x",
                                   evt_type);
@@ -5172,7 +5196,7 @@ static void hci_le_ext_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
                u16 evt_type;
 
                evt_type = __le16_to_cpu(ev->evt_type);
-               legacy_evt_type = convert_legacy_evt_type(evt_type);
+               legacy_evt_type = ext_evt_type_to_legacy(evt_type);
                if (legacy_evt_type != LE_ADV_INVALID) {
                        process_adv_report(hdev, legacy_evt_type, &ev->bdaddr,
                                           ev->bdaddr_type, NULL, 0, ev->rssi,