1 files changed, 19 insertions, 0 deletions
diff --git a/include/osmocom/gsm/protocol/gsm_44_004.h b/include/osmocom/gsm/protocol/gsm_44_004.h
new file mode 100644
index 00000000..83be9bfd
--- /dev/null
+++ b/include/osmocom/gsm/protocol/gsm_44_004.h
@@ -0,0 +1,19 @@
+#pragma once
+
+/* TS 44.004 Section 7.1 */
+
+struct gsm_sacch_l1_hdr {
+#if OSMO_IS_BIG_ENDIAN
+		uint8_t reserved:1,
+			srr_sro:1,
+			fpc_epc:1,
+			ms_pwr:5;
+		uint8_t ta;
+#elif OSMO_IS_LITTLE_ENDIAN
+		uint8_t	ms_pwr:5,
+			fpc_epc:1,
+			srr_sro:1,
+			reserved:1;
+		uint8_t ta;
+#endif
+} __attribute__ ((packed));