add comments to clarify some complete l3 details
Change-Id: I6e289900d38d97c346d615b71d36656254e6f2b5
diff --git a/src/libmsc/msc_a.c b/src/libmsc/msc_a.c
index 3bfc0f8..fd66ad3 100644
--- a/src/libmsc/msc_a.c
+++ b/src/libmsc/msc_a.c
@@ -1375,6 +1375,8 @@
switch (msg->msg_type) {
case RAN_MSG_COMPL_L3:
+ /* In case the cell_id from Complete Layer 3 Information lacks a PLMN, write the configured PLMN code
+ * into msc_a->via_cell. Then overwrite with those bits obtained from Complete Layer 3 Information. */
msc_a->via_cell = (struct osmo_cell_global_id){
.lai.plmn = msc_a_net(msc_a)->plmn,
};