diff options
| author | Andre Guedes <andre.guedes@openbossa.org> | 2014-06-25 21:52:52 -0300 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-07-03 17:42:52 +0200 |
| commit | d4905f2453bd228d8ffc57f4e25bba0a8f52c805 (patch) | |
| tree | e04e8379f1e9ed13d368c1235a2023181d1d8a60 /include | |
| parent | c20c02d5c8d76f39be461c25bf5de3a1dc96885e (diff) | |
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/bluetooth/hci_core.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index c0d2506e2019..ec830871b9b8 100644 --- 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); |