gsm_29_118.h: Add constant for default port
The specification defines a default port where the SGs interface should
be reachable. Lets add a define-constant for it.
Change-Id: Ia4b9f547dd980411d15b2691b7f535fa0463f0f1
Related: OS#3615
diff --git a/include/osmocom/gsm/protocol/gsm_29_118.h b/include/osmocom/gsm/protocol/gsm_29_118.h
index 97a9c43..70f1500 100644
--- a/include/osmocom/gsm/protocol/gsm_29_118.h
+++ b/include/osmocom/gsm/protocol/gsm_29_118.h
@@ -170,4 +170,7 @@
#define SGS_NS10_DEFAULT 2
#define SGS_NS12_DEFAULT 2
+/* TS 29.118 Section 6.3 */
+#define SGS_PORT_DEFAULT 29118
+
const struct tlv_definition sgsap_ie_tlvdef;