Bluetooth: Add smp_ltk_sec_level() helper function
There are several places that need to determine the security level that
an LTK can provide. This patch adds a convenience function for this to
help make the code more readable.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/smp.h b/net/bluetooth/smp.h
index 5240537..86a683a 100644
--- a/net/bluetooth/smp.h
+++ b/net/bluetooth/smp.h
@@ -125,6 +125,14 @@
SMP_LTK_SLAVE,
};
+static inline u8 smp_ltk_sec_level(struct smp_ltk *key)
+{
+ if (key->authenticated)
+ return BT_SECURITY_HIGH;
+
+ return BT_SECURITY_MEDIUM;
+}
+
/* SMP Commands */
bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level);
int smp_conn_security(struct hci_conn *hcon, __u8 sec_level);