libmsc/gsm_04_08: refactor require ciphering into an own function
Make it more readable.
Change-Id: I9e407f65b282e645feabe714f7f4c3e44fae21e9
diff --git a/src/libmsc/msc_a.c b/src/libmsc/msc_a.c
index 583f9e7..74721d2 100644
--- a/src/libmsc/msc_a.c
+++ b/src/libmsc/msc_a.c
@@ -106,6 +106,16 @@
return fi->priv;
}
+bool msc_a_require_ciphering(const struct msc_a *msc_a)
+{
+ struct gsm_network *net = msc_a_net(msc_a);
+ bool is_utran = (msc_a->c.ran->type == OSMO_RAT_UTRAN_IU);
+ if (is_utran)
+ return net->uea_encryption_mask > (1 << OSMO_UTRAN_UEA0);
+ else
+ return net->a5_encryption_mask > 0x1;
+}
+
static void update_counters(struct osmo_fsm_inst *fi, bool conn_accepted)
{
struct msc_a *msc_a = fi->priv;