add new 'prim.h' header file for primitives
diff --git a/include/osmocom/core/prim.h b/include/osmocom/core/prim.h
new file mode 100644
index 0000000..5494f3c
--- /dev/null
+++ b/include/osmocom/core/prim.h
@@ -0,0 +1,20 @@
+#ifndef OSMO_PRIMITIVE_H
+#define OSMO_PRIMITIVE_H
+
+#include <stdint.h>
+
+enum osmo_prim_operation {
+ PRIM_OP_REQUEST,
+ PRIM_OP_RESPONSE,
+ PRIM_OP_INDICATION,
+ PRIM_OP_CONFIRM,
+};
+
+struct osmo_prim_hdr {
+ unsigned int sap;
+ unsigned int primitive;
+ enum osmo_prim_operation operation;
+ struct msgb *msg; /* message containing associated data */
+};
+
+#endif