bluetooth: Add support for LE conn param
Added support to let the userspace know about the updated
LE connection parameters. On receiving successful connection
complete and connection parameters update event from the BT
Controller, send a mgmt event to the userspace bluetoothd.
CRs-fixed: 380271
Change-Id: If8c3d785188e0d4f38c7431d01c016f399137408
Signed-off-by: Sunny Kapdi <sunnyk@codeaurora.org>
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index eb5a0cc..f83c108 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -3191,6 +3191,10 @@
conn->state = BT_CONNECTED;
conn->disc_timeout = HCI_DISCONN_TIMEOUT;
mgmt_connected(hdev->id, &ev->bdaddr, 1);
+ mgmt_le_conn_params(hdev->id, &ev->bdaddr,
+ __le16_to_cpu(ev->interval),
+ __le16_to_cpu(ev->latency),
+ __le16_to_cpu(ev->supervision_timeout));
hci_conn_hold(conn);
hci_conn_hold_device(conn);
@@ -3202,6 +3206,37 @@
hci_dev_unlock(hdev);
}
+static inline void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status %d", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev,
+ __le16_to_cpu(ev->handle));
+ if (conn == NULL) {
+ BT_ERR("Unknown connection update");
+ goto unlock;
+ }
+
+ if (ev->status) {
+ BT_ERR("Connection update unsuccessful");
+ goto unlock;
+ }
+
+ mgmt_le_conn_params(hdev->id, &conn->dst,
+ __le16_to_cpu(ev->interval),
+ __le16_to_cpu(ev->latency),
+ __le16_to_cpu(ev->supervision_timeout));
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
static inline void hci_le_ltk_request_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
@@ -3271,6 +3306,10 @@
hci_le_conn_complete_evt(hdev, skb);
break;
+ case HCI_EV_LE_CONN_UPDATE_COMPLETE:
+ hci_le_conn_update_complete_evt(hdev, skb);
+ break;
+
case HCI_EV_LE_LTK_REQ:
hci_le_ltk_request_evt(hdev, skb);
break;