First actual SGSN test case
Change-Id: Id66ddf8dbe1c5cfa96a087235588ba67763b7f05
diff --git a/library/LLC_Templates.ttcn b/library/LLC_Templates.ttcn
new file mode 100644
index 0000000..e387b36
--- /dev/null
+++ b/library/LLC_Templates.ttcn
@@ -0,0 +1,73 @@
+module LLC_Templates {
+
+import from LLC_Types all;
+import from Osmocom_Types all;
+import from General_Types all;
+
+template Address_field t_LLC_Addr(template BIT4 sapi, template BIT1 cr, template BIT1 pd := '0'B) := {
+ sAPI := sapi,
+ spare := '00'B,
+ cR := cr,
+ pD := '0'B
+}
+
+template (value) Control_field_UI ts_LLC_CtrlUI(uint9_t n_u, boolean encrypted := false,
+ boolean protected := false) := {
+ format := '110'B,
+ spare := '00'B,
+ nU := n_u,
+ e := bool2bit(encrypted),
+ pM := bool2bit(protected)
+}
+
+template Control_field_UI tr_LLC_CtrlUI(template uint9_t n_u,
+ template boolean encrypted := ?,
+ template boolean protected := ?) := {
+ format := '110'B,
+ spare := '00'B,
+ nU := n_u,
+ e := bool2bit_tmpl(encrypted),
+ pM := bool2bit_tmpl(protected)
+}
+
+template PDU_LLC ts_LLC_UI(octetstring payload, BIT4 sapi, BIT1 cr, uint9_t n_u,
+ boolean encrypted := false, boolean protected := false) := {
+ pDU_LLC_UI := {
+ address_field := t_LLC_Addr(sapi, cr),
+ control_field := ts_LLC_CtrlUI(n_u, encrypted, protected),
+ information_field_UI := payload,
+ fCS := omit /* causes encoder to generate FCS */
+ }
+}
+
+template PDU_LLC tr_LLC_UI(template octetstring payload := ?, template BIT4 sapi := ?,
+ template BIT1 cr := ?, template uint9_t n_u := ?,
+ template boolean encrypted := ?, template boolean protected := ?) := {
+ pDU_LLC_UI := {
+ address_field := t_LLC_Addr(sapi, cr),
+ control_field := tr_LLC_CtrlUI(n_u, encrypted, protected),
+ information_field_UI := payload,
+ fCS := '000000'O /* provided by decoder if FCS OK */
+ }
+}
+
+const BIT4 c_LLC_SAPI_LLGMM := '0001'B;
+const BIT4 c_LLC_SAPI_TOM2 := '0010'B;
+const BIT4 c_LLC_SAPI_LL3 := '0011'B;
+const BIT4 c_LLC_SAPI_LL5 := '0101'B;
+const BIT4 c_LLC_SAPI_LLSMS := '0111'B;
+const BIT4 c_LLC_SAPI_TOM8 := '1000'B;
+const BIT4 c_LLC_SAPI_LL9 := '1001'B;
+const BIT4 c_LLC_SAPI_LLSM := '1010'B;
+const BIT4 c_LLC_SAPI_LL11 := '1011'B;
+
+const BIT1 LLC_CR_DL_CMD := '1'B;
+const BIT1 LLC_CR_DL_RSP := '0'B;
+const BIT1 LLC_CR_UL_CMD := '0'B;
+const BIT1 LLC_CR_UL_RSP := '1'B;
+
+/* LLC UI frame with SAPI for L3 payload */
+template PDU_LLC tr_LLC_UI_L3 := ( tr_LLC_UI(?, c_LLC_SAPI_LLGMM), tr_LLC_UI(?, c_LLC_SAPI_LLSM) );
+
+
+}