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-rw-r--r--include/osmocom/gsm/protocol/gsm_25_415.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/include/osmocom/gsm/protocol/gsm_25_415.h b/include/osmocom/gsm/protocol/gsm_25_415.h
new file mode 100644
index 00000000..90f76836
--- /dev/null
+++ b/include/osmocom/gsm/protocol/gsm_25_415.h
@@ -0,0 +1,116 @@
+#pragma once
+/* Iu User Plane (IuUP) Definitions as per 3GPP TS 25.415 */
+/* (C) 2017 by Harald Welte <laforge@gnumonks.org>
+ * All Rights Reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <stdint.h>
+
+/* 3GPP TS 25.415 Section 6.6.2.1 */
+struct iuup_pdutype0_hdr {
+ /* control part */
+ uint8_t frame_nr:4,
+ pdu_type:4;
+ uint8_t rfci:6,
+ fqc:2;
+ /* checksum part */
+ uint16_t payload_crc:10,
+ header_crc:6;
+ /* payload part */
+ uint8_t payload[0];
+} __attribute__((packed));
+
+/* 3GPP TS 25.415 Section 6.6.2.2 */
+struct iuup_pdutype1_hdr {
+ /* control part */
+ uint8_t frame_nr:4,
+ pdu_type:4;
+ uint8_t rfci:6,
+ fqc:2;
+ /* checksum part */
+ uint8_t spare:2,
+ header_crc:6;
+ /* payload part */
+ uint8_t payload[0];
+} __attribute__((packed));
+
+/* 3GPP TS 25.415 Section 6.6.2.3 */
+struct iuup_pdutype14_hdr {
+ /* control part */
+ uint8_t frame_nr:2,
+ ack_nack:2,
+ pdu_type:4;
+ uint8_t proc_ind:4,
+ mode_version:4;
+ /* checksum part */
+ uint16_t payload_crc:10,
+ header_crc:6;
+ /* payload part */
+ uint8_t payload[0];
+} __attribute__((packed));
+
+/* 3GPP TS 25.415 Section 6.6.2 + 6.6.3.1 */
+enum iuup_pdu_type {
+ IUUP_PDU_T_DATA_CRC = 0,
+ IUUP_PDU_T_DATA_NOCRC = 1,
+ IUUP_PDU_T_CONTROL = 14,
+};
+
+/* 3GPP TS 25.415 Section 6.6.3.2 */
+enum iuup_ack_nack {
+ IUUP_AN_PROCEDURE = 0,
+ IUUP_AN_ACK = 1,
+ IUUP_AN_NACK = 2,
+};
+
+/* 3GPP TS 25.415 Section 6.6.3.5 */
+enum iuup_fqc {
+ IUUP_FQC_FRAME_GOOD = 0,
+ IUUP_FQC_FRAME_BAD = 1,
+ IUUP_FQC_FRAME_BAD_RADIO= 2,
+};
+
+/* 3GPP TS 25.415 Section 6.6.3.7 */
+enum iuup_procedure {
+ IUUP_PROC_INIT = 0,
+ IUUP_PROC_RATE_CTRL = 1,
+ IUUP_PROC_TIME_ALIGN = 2,
+ IUUP_PROC_ERR_EVENT = 3,
+};
+
+
+/* 3GPP TS 25.415 Section 6.6.3.15 */
+enum iuup_error_distance {
+ IUUP_ERR_DIST_LOCAL = 0,
+ IUUP_ERR_DIST_FIRST_FWD = 1,
+ IUUP_ERR_DIST_SECOND_FWD = 2,
+ IUUP_ERR_DIST_RESERVED = 3,
+};
+
+
+/* 3GPP TS 25.415 Section 6.6.3.16 */
+enum iuup_error_cause {
+ IUUP_ERR_CAUSE_CRC_ERR_HDR = 0,
+ IUUP_ERR_CAUSE_CRC_ERR_DATA = 1,
+ IUUP_ERR_CAUSE_UNEXPECTED_FN = 2,
+ IUUP_ERR_CAUSE_FRAME_LOSS = 3,
+ IUUP_ERR_CAUSE_UNKNOWN_PDUTYPE = 4,
+ IUUP_ERR_CAUSE_UNKNOWN_PROC = 5,
+ IUUP_ERR_CAUSE_UNKNNOWN_RES_VAL = 6,
+ IUUP_ERR_CAUSE_UNKNNOWN_FIELD = 7,
+ IUUP_ERR_CAUSE_FRAME_TOO_SHORT = 8,
+ IUUP_ERR_CAUSE_MISSING_FIELDS = 9,
+ IUUP_ERR_CAUSE_UNEXPECTED_PDU_T = 16,
+ IUUP_ERR_CAUSE_UNEXPECTED_PROC = 18,
+ IUUP_ERR_CAUSE_UNEXPECTED_RFCI = 19,
+ IUUP_ERR_CAUSE_UNEXPECTED_VALUE = 20,
+ IUUP_ERR_CAUSE_INIT_FAILURE = 42,
+ IUUP_ERR_CAUSE_INIT_FAILURE_NET_TMR = 43,
+ IUUP_ERR_CAUSE_INIT_FAILURE_REP_NACK = 44,
+ IUUP_ERR_CAUSE_RATE_CTRL_FAILURE= 45,
+ IUUP_ERR_CAUSE_ERR_EVENT_FAIL = 46,
+ IUUP_ERR_CAUSE_TIME_ALIGN_NOTSUPP = 47,
+ IUUP_ERR_CAUSE_REQ_TIME_ALIGN_NOTPOSS = 48,
+};