protocol: introduce gsm_03_41.h
This currently contains definitions for the BTS->MS SMSCB message.
Signed-off-by: Alex Badea <vamposdecampos@gmail.com>
diff --git a/include/osmocore/protocol/gsm_03_41.h b/include/osmocore/protocol/gsm_03_41.h
new file mode 100644
index 0000000..250d667
--- /dev/null
+++ b/include/osmocore/protocol/gsm_03_41.h
@@ -0,0 +1,34 @@
+#ifndef PROTO_GSM_03_41_H
+#define PROTO_GSM_03_41_H
+
+#include <stdint.h>
+
+/* GSM TS 03.41 definitions */
+
+/* Chapter 9.3.2 */
+struct gsm341_ms_message {
+ struct {
+ uint8_t code_hi:6;
+ uint8_t gs:2;
+ uint8_t update:2;
+ uint8_t code_lo:6;
+ } serial;
+ uint16_t msg_id;
+ struct {
+ uint8_t language:4;
+ uint8_t group:4;
+ } dcs;
+ struct {
+ uint8_t total:4;
+ uint8_t current:4;
+ } page;
+ uint8_t data[0];
+} __attribute__((packed));
+
+/* Section 9.3.2.1 - Geographical Scope */
+#define GSM341_GS_CELL_WIDE_IMMED 0
+#define GSM341_GS_PLMN_WIDE 1
+#define GSM341_GS_LA_WIDE 2
+#define GSM341_GS_CELL_WIDE 3
+
+#endif /* PROTO_GSM_03_41_H */