net/bluetooth/hci_sync.c

987 	 * scanning and non-connectable advertising.
2074 	/* If controller is not scanning we are done. */
2085 		bt_dev_err(hdev, "Unable to disable scanning: %d", err);
2475 	/* Cannot disable addr resolution if scanning is enabled or
2569 /* Device must not be scanning when updating the accept list.
2728 	 * - Interleaved scanning is not currently using the allowlist
2895 		bt_dev_err(hdev, "disable scanning failed: %d", err);
2900 	 * during passive scanning. Not using an non-resolvable address
2916 	 * happen before enabling scanning. The controller does
2917 	 * not allow accept list modification while scanning.
2960 /* This function controls the passive scanning based on hdev->pend_le_conns
2961  * list. If there are pending LE connection we start the background scanning,
2987 	/* No point in doing scanning if LE support hasn't been enabled */
2995 	/* Reset RSSI and UUID filters when starting background scanning
3014 		 * background scanning.
3017 		bt_dev_dbg(hdev, "stopping background scanning");
3021 			bt_dev_err(hdev, "stop background scanning failed: %d",
3028 		/* If controller is connecting, we should not start scanning
3035 		bt_dev_dbg(hdev, "start background scanning");
3039 			bt_dev_err(hdev, "start background scanning failed: %d",
5294 	/* Return reason if scanning since the connection shall probably be
5442 	 * or in case of LE it was still scanning so it can be cleanup
5693 	/* If controller is scanning, it means the passive scanning is
5695 	 * discovery scanning parameters.
5699 		bt_dev_err(hdev, "Unable to disable scanning: %d", err);
5726 		 * advertisement for one peer(*) during active scanning, and
5748 	/* Resume passive scanning */
5777 		/* When running simultaneous discovery, the LE scanning time
5779 		 * and LE scanning are scheduled by the controller.
5782 		 * and LE scanning are done sequentially with separate
5855 	bool scanning = test_bit(HCI_PSCAN, &hdev->flags);
5887 	if (scan && !scanning)
5889 	else if (!scan && scanning)
5914  * Pause discovery (active scanning/inquiry)
5916  * Pause Scanning (passive scanning in case discovery was not active)
5922  * Update passive scanning (lower duty cycle)
5945 	/* Prevent disconnects from causing scanning to be re-enabled */
5972 	/* Unpause to take care of updating scanning params */
6031 	/* Reset passive scanning to normal */
6041  * Update passive scanning (normal duty cycle)
6043  * Resume discovery (active scanning/inquiry)
6059 	/* Resume scanning */
6282 		/* If we're active scanning and simultaneous roles is not
6316 	/* If controller is scanning, we stop it since some controllers are