Bluetooth: Handle extended ADV PDU types

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

@@ -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
 

net/bluetooth/hci_event.c

@@ -5137,22 +5137,46 @@ 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)
+static u8 ext_evt_type_to_legacy(u16 evt_type)
 {
-	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;
+	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;
+	}
+
+	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;
+
+	if (evt_type == LE_EXT_ADV_NON_CONN_IND ||
+	    evt_type & LE_EXT_ADV_DIRECT_IND)
+		return LE_ADV_NONCONN_IND;
+
 	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,