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: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index adb413d77637..e7ee7267f846 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -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