diff options
| author | Marcel Holtmann | 2014-12-05 10:55:56 +0100 |
|---|---|---|
| committer | Johan Hedberg | 2014-12-05 11:37:34 +0100 |
| commit | bda157a40077447b25a1172a17b8ef81a2905cb7 (patch) | |
| tree | 52fec5389acaeb15823ebf8bf17dfe9490246d1e /net/bluetooth/mgmt.c | |
| parent | Bluetooth: Add extra discovery fields for storing filter information (diff) | |
| download | kernel-qcow2-linux-bda157a40077447b25a1172a17b8ef81a2905cb7.tar.gz kernel-qcow2-linux-bda157a40077447b25a1172a17b8ef81a2905cb7.tar.xz kernel-qcow2-linux-bda157a40077447b25a1172a17b8ef81a2905cb7.zip | |
Bluetooth: Filter device found events based on RSSI threshold
Using Start Service Discovery allows to provide a RSSI threshold. This
patch implements support for filtering out device found events based
on the provided value.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Diffstat (limited to 'net/bluetooth/mgmt.c')
| -rw-r--r-- | net/bluetooth/mgmt.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index b6a0f3e6b719..1715c91dfa28 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -6821,6 +6821,15 @@ void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, return; } + /* When using service discovery with a RSSI threshold, then check + * if such a RSSI threshold is specified. If a RSSI threshold has + * been specified, then all results with a RSSI smaller than the + * RSSI threshold will be dropped. + */ + if (hdev->discovery.rssi != HCI_RSSI_INVALID && + rssi < hdev->discovery.rssi) + return; + /* Make sure that the buffer is big enough. The 5 extra bytes * are for the potential CoD field. */ |