Bluetooth: Connection parameters check helper

This patch renames l2cap_check_conn_param() to hci_check_conn_params()
and moves it to hci_core.h so it can reused in others files. This helper
will be reused in the next patch.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index c0d2506..ec83087 100644 (file)
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1181,6 +1181,27 @@ static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev,
        return hci_find_irk_by_rpa(hdev, bdaddr);
 }
 
+static inline int hci_check_conn_params(u16 min, u16 max, u16 latency,
+                                       u16 to_multiplier)
+{
+       u16 max_latency;
+
+       if (min > max || min < 6 || max > 3200)
+               return -EINVAL;
+
+       if (to_multiplier < 10 || to_multiplier > 3200)
+               return -EINVAL;
+
+       if (max >= to_multiplier * 8)
+               return -EINVAL;
+
+       max_latency = (to_multiplier * 8 / max) - 1;
+       if (latency > 499 || latency > max_latency)
+               return -EINVAL;
+
+       return 0;
+}
+
 int hci_register_cb(struct hci_cb *hcb);
 int hci_unregister_cb(struct hci_cb *hcb);
 

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index d015aa1..e203a5f 100644 (file)
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -5213,27 +5213,6 @@ static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn,
        return 0;
 }
 
-static inline int l2cap_check_conn_param(u16 min, u16 max, u16 latency,
-                                        u16 to_multiplier)
-{
-       u16 max_latency;
-
-       if (min > max || min < 6 || max > 3200)
-               return -EINVAL;
-
-       if (to_multiplier < 10 || to_multiplier > 3200)
-               return -EINVAL;
-
-       if (max >= to_multiplier * 8)
-               return -EINVAL;
-
-       max_latency = (to_multiplier * 8 / max) - 1;
-       if (latency > 499 || latency > max_latency)
-               return -EINVAL;
-
-       return 0;
-}
-
 static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
                                              struct l2cap_cmd_hdr *cmd,
                                              u16 cmd_len, u8 *data)
@@ -5261,7 +5240,7 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
 
        memset(&rsp, 0, sizeof(rsp));
 
-       err = l2cap_check_conn_param(min, max, latency, to_multiplier);
+       err = hci_check_conn_params(min, max, latency, to_multiplier);
        if (err)
                rsp.result = cpu_to_le16(L2CAP_CONN_PARAM_REJECTED);
        else