By default for instance 0, local name will be added for scan rsp
data, but currently the property is set as non scannable and hence
Set Adv parameter fails with Invalid parameter.
< HCI Command: LE Set Extended Advertising Parameters (0x08|0x0036) plen 25
Handle: 0x00
Properties: 0x0010
Use legacy advertising PDUs: ADV_NONCONN_IND
Min advertising interval: 1280.000 msec (0x0800)
Max advertising interval: 1280.000 msec (0x0800)
Channel map: 37, 38, 39 (0x07)
Own address type: Random (0x01)
Peer address type: Public (0x00)
Peer address: 00:00:00:00:00:00 (OUI 00-00-00)
Filter policy: Allow Scan Request from Any, Allow Connect Request from Any (0x00)
TX power: 127 dbm (0x7f)
Primary PHY: LE 1M (0x01)
Secondary max skip: 0x00
Secondary PHY: LE 1M (0x01)
SID: 0x00
Scan request notifications: Disabled (0x00)
> HCI Event: Command Complete (0x0e) plen 5
LE Set Extended Advertising Parameters (0x08|0x0036) ncmd 1
Status: Success (0x00)
TX power (selected): 7 dbm (0x07)
< HCI Command: LE Set Extended Scan Response Data (0x08|0x0038) plen 35
Handle: 0x00
Operation: Complete scan response data (0x03)
Fragment preference: Minimize fragmentation (0x01)
Data length: 0x0d
Name (short): localhost.
> HCI Event: Command Complete (0x0e) plen 4
LE Set Extended Scan Response Data (0x08|0x0038) ncmd 1
Status: Invalid HCI Command Parameters (0x12)
This patch makes the instance 0 scannable by default.
< HCI Command: LE Set Extended Advertising Parameters (0x08|0x0036) plen 25
Handle: 0x00
Properties: 0x0012
Scannable
Use legacy advertising PDUs: ADV_SCAN_IND
Min advertising interval: 1280.000 msec (0x0800)
Max advertising interval: 1280.000 msec (0x0800)
Channel map: 37, 38, 39 (0x07)
Own address type: Random (0x01)
Peer address type: Public (0x00)
Peer address: 00:00:00:00:00:00 (OUI 00-00-00)
Filter policy: Allow Scan Request from Any, Allow Connect Request from Any (0x00)
TX power: 127 dbm (0x7f)
Primary PHY: LE 1M (0x01)
Secondary max skip: 0x00
Secondary PHY: LE 1M (0x01)
SID: 0x00
Scan request notifications: Disabled (0x00)
> HCI Event: Command Complete (0x0e) plen 5
LE Set Extended Advertising Parameters (0x08|0x0036) ncmd 1
Status: Success (0x00)
TX power (selected): 7 dbm (0x07)
< HCI Command: LE Set Extended Scan Response Data (0x08|0x0038) plen 35
Handle: 0x00
Operation: Complete scan response data (0x03)
Fragment preference: Minimize fragmentation (0x01)
Data length: 0x0d
Name (short): localhost.
> HCI Event: Command Complete (0x0e) plen 4
LE Set Extended Scan Response Data (0x08|0x0038) ncmd 1
Status: Success (0x00)
Signed-off-by: Jaganath Kanakkassery <jaganath.kanakkassery@xxxxxxxxx>
---
net/bluetooth/hci_request.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index 7f6a581..362b1ca 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -1601,7 +1601,12 @@ int __hci_req_setup_ext_adv_instance(struct hci_request *req, u8 instance)
cp.evt_properties = cpu_to_le16(LE_EXT_ADV_CONN_IND);
else
cp.evt_properties = cpu_to_le16(LE_LEGACY_ADV_IND);
- } else if (get_adv_instance_scan_rsp_len(hdev, instance)) {
+ } else if (!instance || get_adv_instance_scan_rsp_len(hdev, instance)) {
+ /* Always set scannable for instance 0, as scan rsp data will
+ * be set by default with local name. For other instances set
+ * scannable based on whether scan rsp data is there for the
+ * respective instance
+ */
if (secondary_adv)
cp.evt_properties = cpu_to_le16(LE_EXT_ADV_SCAN_IND);
else
--
2.7.4
