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-rw-r--r--osmo_codegen.g6
1 files changed, 5 insertions, 1 deletions
diff --git a/osmo_codegen.g b/osmo_codegen.g
index 7560400..5cec3e7 100644
--- a/osmo_codegen.g
+++ b/osmo_codegen.g
@@ -55,8 +55,12 @@ pdu_field_size
: NUMERIC ('-' NUMERIC)? ;
pdu_field_opts
- : ('uplink_only' | 'downlink_only')
+ : pdu_up_downlink | pdu_opt_ie
;
+pdu_up_downlink
+ : 'uplink_only' | 'downlink_only';
+pdu_opt_ie
+ : 'ie' ID;
pdu_field_type
: (