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#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,
};
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