diff options
| author | Archie Pusaka <apusaka@chromium.org> | 2021-01-22 11:36:16 +0300 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2021-01-25 18:07:36 +0300 |
| commit | 58ceb1e6d6aec5b35722446e004851ada0d59656 (patch) | |
| tree | 4226adc244a06de405a61cbf6e74dce986a82006 /net/bluetooth | |
| parent | 394566bf1e3747f5b75869b822e642ab46f51d7b (diff) | |
| download | linux-58ceb1e6d6aec5b35722446e004851ada0d59656.tar.xz | |
Bluetooth: advmon offload MSFT interleave scanning integration
When MSFT extension is supported, we don't have to interleave the scan
as we could just do allowlist scan.
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Miao-chen Chou <mcchou@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/hci_request.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c index 5aa7bd5030a2..d29a44d77b4e 100644 --- a/net/bluetooth/hci_request.c +++ b/net/bluetooth/hci_request.c @@ -404,13 +404,18 @@ static void cancel_interleave_scan(struct hci_dev *hdev) */ static bool __hci_update_interleaved_scan(struct hci_dev *hdev) { - /* If there is at least one ADV monitors and one pending LE connection - * or one device to be scanned for, we should alternate between - * allowlist scan and one without any filters to save power. + /* Do interleaved scan only if all of the following are true: + * - There is at least one ADV monitor + * - At least one pending LE connection or one device to be scanned for + * - Monitor offloading is not supported + * If so, we should alternate between allowlist scan and one without + * any filters to save power. */ bool use_interleaving = hci_is_adv_monitoring(hdev) && !(list_empty(&hdev->pend_le_conns) && - list_empty(&hdev->pend_le_reports)); + list_empty(&hdev->pend_le_reports)) && + hci_get_adv_monitor_offload_ext(hdev) == + HCI_ADV_MONITOR_EXT_NONE; bool is_interleaving = is_interleave_scanning(hdev); if (use_interleaving && !is_interleaving) { @@ -899,14 +904,11 @@ static u8 update_white_list(struct hci_request *req) /* Use the allowlist unless the following conditions are all true: * - We are not currently suspending - * - There are 1 or more ADV monitors registered + * - There are 1 or more ADV monitors registered and it's not offloaded * - Interleaved scanning is not currently using the allowlist - * - * Once the controller offloading of advertisement monitor is in place, - * the above condition should include the support of MSFT extension - * support. */ if (!idr_is_empty(&hdev->adv_monitors_idr) && !hdev->suspended && + hci_get_adv_monitor_offload_ext(hdev) == HCI_ADV_MONITOR_EXT_NONE && hdev->interleave_scan_state != INTERLEAVE_SCAN_ALLOWLIST) return 0x00; |