Commit 037fc415 authored by Marcel Holtmann's avatar Marcel Holtmann
Browse files

Bluetooth: Use LE connection parameters if known 



When the LE connection parameters for connection latency and
supervision timeout are known, then use then. If they are not
know fallback to defaults.

Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent f044eb05

net/bluetooth/hci_conn.c

+6 −1
Original line number Diff line number Diff line
@@ -645,7 +645,8 @@ static void hci_req_add_le_create_conn(struct hci_request *req, 
	cp.own_address_type = own_addr_type;

	cp.conn_interval_min = cpu_to_le16(conn->le_conn_min_interval);

	cp.conn_interval_max = cpu_to_le16(conn->le_conn_max_interval);

	cp.supervision_timeout = cpu_to_le16(0x002a);

	cp.conn_latency = cpu_to_le16(conn->le_conn_latency);

	cp.supervision_timeout = cpu_to_le16(conn->le_supv_timeout);

	cp.min_ce_len = cpu_to_le16(0x0000);

	cp.max_ce_len = cpu_to_le16(0x0000);
@@ -767,9 +768,13 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 
	if (params) {

		conn->le_conn_min_interval = params->conn_min_interval;

		conn->le_conn_max_interval = params->conn_max_interval;

		conn->le_conn_latency = params->conn_latency;

		conn->le_supv_timeout = params->supervision_timeout;

	} else {

		conn->le_conn_min_interval = hdev->le_conn_min_interval;

		conn->le_conn_max_interval = hdev->le_conn_max_interval;

		conn->le_conn_latency = 0x0000;

		conn->le_supv_timeout = 0x002a;

	}



	/* If controller is scanning, we stop it since some controllers are