This signaling command is useful for any connection parameter change
procedure, thus it is important to allow access to it from outside this
translation unit.
Signed-off-by: Felipe F. Tonello <eu@xxxxxxxxxxxxxxxxx>
---
include/net/bluetooth/l2cap.h | 3 +++
net/bluetooth/l2cap_core.c | 31 ++++++++++++++++++++-----------
2 files changed, 23 insertions(+), 11 deletions(-)
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 0697fd413087..803a7f4d93a7 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -948,4 +948,7 @@ void l2cap_conn_put(struct l2cap_conn *conn);
int l2cap_register_user(struct l2cap_conn *conn, struct l2cap_user *user);
void l2cap_unregister_user(struct l2cap_conn *conn, struct l2cap_user *user);
+void l2cap_le_conn_update_req(struct l2cap_conn *conn, u8 min_interval,
+ u8 max_interval, u8 latency, u8 supv_timeout);
+
#endif /* __L2CAP_H */
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index f88ac99528ce..585d15ce0a33 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1483,6 +1483,21 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
mutex_unlock(&conn->chan_lock);
}
+/* This command shall only be send if the connection role is SLAVE */
+void l2cap_le_conn_update_req(struct l2cap_conn *conn, u8 min_interval,
+ u8 max_interval, u8 latency, u8 supv_timeout)
+{
+ struct l2cap_conn_param_update_req req;
+
+ req.min = cpu_to_le16(min_interval);
+ req.max = cpu_to_le16(max_interval);
+ req.latency = cpu_to_le16(latency);
+ req.to_multiplier = cpu_to_le16(supv_timeout);
+
+ l2cap_send_cmd(conn, l2cap_get_ident(conn),
+ L2CAP_CONN_PARAM_UPDATE_REQ, sizeof(req), &req);
+}
+
static void l2cap_le_conn_ready(struct l2cap_conn *conn)
{
struct hci_conn *hcon = conn->hcon;
@@ -1503,17 +1518,11 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
*/
if (hcon->role == HCI_ROLE_SLAVE &&
(hcon->le_conn_interval < hcon->le_conn_min_interval ||
- hcon->le_conn_interval > hcon->le_conn_max_interval)) {
- struct l2cap_conn_param_update_req req;
-
- req.min = cpu_to_le16(hcon->le_conn_min_interval);
- req.max = cpu_to_le16(hcon->le_conn_max_interval);
- req.latency = cpu_to_le16(hcon->le_conn_latency);
- req.to_multiplier = cpu_to_le16(hcon->le_supv_timeout);
-
- l2cap_send_cmd(conn, l2cap_get_ident(conn),
- L2CAP_CONN_PARAM_UPDATE_REQ, sizeof(req), &req);
- }
+ hcon->le_conn_interval > hcon->le_conn_max_interval))
+ l2cap_le_conn_update_req(conn, hcon->le_conn_min_interval,
+ hcon->le_conn_max_interval,
+ hcon->le_conn_latency,
+ hcon->le_supv_timeout);
}
static void l2cap_conn_ready(struct l2cap_conn *conn)
--
2.12.2
--
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