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/*! \file gsmtap.h
* gsmtap header, pseudo-header in front of the actua GSM payload.
* GSMTAP is a generic header format for GSM protocol captures,
* it uses the IANA-assigned UDP port number 4729 and carries
* payload in various formats of GSM interfaces such as Um MAC
* blocks or Um bursts.
*
* Example programs generating GSMTAP data are airprobe
* (http://airprobe.org/) or OsmocomBB (http://bb.osmocom.org/)
*/
#pragma once
#include <stdint.h>
/* ====== DO NOT MAKE UNAPPROVED MODIFICATIONS HERE ===== */
/* The GSMTAP format definition is maintained in libosmocore,
* specifically the latest version can always be obtained from
* http://cgit.osmocom.org/cgit/libosmocore/tree/include/osmocom/core/gsmtap.h
*
* If you want to introduce new protocol/burst/channel types or extend
* GSMTAP in any way, please contact the GSMTAP maintainer at either the
* public openbsc@lists.osmocom.org mailing list, or privately at
* Harald Welte <laforge@gnumonks.org>.
*
* Your cooperation ensures that all projects will use the same GSMTAP
* definitions and remain compatible with each other.
*/
#define GSMTAP_VERSION 0x02
#define GSMTAP_TYPE_UM 0x01
#define GSMTAP_TYPE_ABIS 0x02
#define GSMTAP_TYPE_UM_BURST 0x03 /* raw burst bits */
#define GSMTAP_TYPE_SIM 0x04
#define GSMTAP_TYPE_TETRA_I1 0x05 /* tetra air interface */
#define GSMTAP_TYPE_TETRA_I1_BURST 0x06 /* tetra air interface */
#define GSMTAP_TYPE_WMX_BURST 0x07 /* WiMAX burst */
#define GSMTAP_TYPE_GB_LLC 0x08 /* GPRS Gb interface: LLC */
#define GSMTAP_TYPE_GB_SNDCP 0x09 /* GPRS Gb interface: SNDCP */
#define GSMTAP_TYPE_GMR1_UM 0x0a /* GMR-1 L2 packets */
#define GSMTAP_TYPE_UMTS_RLC_MAC 0x0b
#define GSMTAP_TYPE_UMTS_RRC 0x0c
#define GSMTAP_TYPE_LTE_RRC 0x0d /* LTE interface */
#define GSMTAP_TYPE_LTE_MAC 0x0e /* LTE MAC interface */
#define GSMTAP_TYPE_LTE_MAC_FRAMED 0x0f /* LTE MAC with context hdr */
#define GSMTAP_TYPE_OSMOCORE_LOG 0x10 /* libosmocore logging */
#define GSMTAP_TYPE_QC_DIAG 0x11 /* Qualcomm DIAG frame */
/* ====== DO NOT MAKE UNAPPROVED MODIFICATIONS HERE ===== */
/* sub-types for TYPE_UM_BURST */
#define GSMTAP_BURST_UNKNOWN 0x00
#define GSMTAP_BURST_FCCH 0x01
#define GSMTAP_BURST_PARTIAL_SCH 0x02
#define GSMTAP_BURST_SCH 0x03
#define GSMTAP_BURST_CTS_SCH 0x04
#define GSMTAP_BURST_COMPACT_SCH 0x05
#define GSMTAP_BURST_NORMAL 0x06
#define GSMTAP_BURST_DUMMY 0x07
#define GSMTAP_BURST_ACCESS 0x08
#define GSMTAP_BURST_NONE 0x09
/* WiMAX bursts */
#define GSMTAP_BURST_CDMA_CODE 0x10 /* WiMAX CDMA Code Attribute burst */
#define GSMTAP_BURST_FCH 0x11 /* WiMAX FCH burst */
#define GSMTAP_BURST_FFB 0x12 /* WiMAX Fast Feedback burst */
#define GSMTAP_BURST_PDU 0x13 /* WiMAX PDU burst */
#define GSMTAP_BURST_HACK 0x14 /* WiMAX HARQ ACK burst */
#define GSMTAP_BURST_PHY_ATTRIBUTES 0x15 /* WiMAX PHY Attributes burst */
/* ====== DO NOT MAKE UNAPPROVED MODIFICATIONS HERE ===== */
/* sub-types for TYPE_UM */
#define GSMTAP_CHANNEL_UNKNOWN 0x00
#define GSMTAP_CHANNEL_BCCH 0x01
#define GSMTAP_CHANNEL_CCCH 0x02
#define GSMTAP_CHANNEL_RACH 0x03
#define GSMTAP_CHANNEL_AGCH 0x04
#define GSMTAP_CHANNEL_PCH 0x05
#define GSMTAP_CHANNEL_SDCCH 0x06
#define GSMTAP_CHANNEL_SDCCH4 0x07
#define GSMTAP_CHANNEL_SDCCH8 0x08
#define GSMTAP_CHANNEL_TCH_F 0x09
#define GSMTAP_CHANNEL_TCH_H 0x0a
#define GSMTAP_CHANNEL_PACCH 0x0b
#define GSMTAP_CHANNEL_CBCH52 0x0c
#define GSMTAP_CHANNEL_PDCH 0x0d
#define GSMTAP_CHANNEL_PTCCH 0x0e
#define GSMTAP_CHANNEL_CBCH51 0x0f
/* GPRS Coding Scheme CS1..4 */
#define GSMTAP_GPRS_CS_BASE 0x20
#define GSMTAP_GPRS_CS(N) (GSMTAP_GPRS_CS_BASE + N)
/* (E) GPRS Coding Scheme MCS0..9 */
#define GSMTAP_GPRS_MCS_BASE 0x30
#define GSMTAP_GPRS_MCS(N) (GSMTAP_GPRS_MCS_BASE + N)
#define GSMTAP_CHANNEL_ACCH 0x80
/* ====== DO NOT MAKE UNAPPROVED MODIFICATIONS HERE ===== */
/* sub-types for TYPE_TETRA_AIR */
#define GSMTAP_TETRA_BSCH 0x01
#define GSMTAP_TETRA_AACH 0x02
#define GSMTAP_TETRA_SCH_HU 0x03
#define GSMTAP_TETRA_SCH_HD 0x04
#define GSMTAP_TETRA_SCH_F 0x05
#define GSMTAP_TETRA_BNCH 0x06
#define GSMTAP_TETRA_STCH 0x07
#define GSMTAP_TETRA_TCH_F 0x08
/* ====== DO NOT MAKE UNAPPROVED MODIFICATIONS HERE ===== */
/* sub-types for TYPE_GMR1_UM */
#define GSMTAP_GMR1_UNKNOWN 0x00
#define GSMTAP_GMR1_BCCH 0x01
#define GSMTAP_GMR1_CCCH 0x02 /* either AGCH or PCH */
#define GSMTAP_GMR1_PCH 0x03
#define GSMTAP_GMR1_AGCH 0x04
#define GSMTAP_GMR1_BACH 0x05
#define GSMTAP_GMR1_RACH 0x06
#define GSMTAP_GMR1_CBCH 0x07
#define GSMTAP_GMR1_SDCCH 0x08
#define GSMTAP_GMR1_TACCH 0x09
#define GSMTAP_GMR1_GBCH 0x0a
#define GSMTAP_GMR1_SACCH 0x01 /* to be combined with _TCH{6,9} */
#define GSMTAP_GMR1_FACCH 0x02 /* to be combines with _TCH{3,6,9} */
#define GSMTAP_GMR1_DKAB 0x03 /* to be combined with _TCH3 */
#define GSMTAP_GMR1_TCH3 0x10
#define GSMTAP_GMR1_TCH6 0x14
#define GSMTAP_GMR1_TCH9 0x18
/* ====== DO NOT MAKE UNAPPROVED MODIFICATIONS HERE ===== */
#define GSMTAP_UMTS_CH_PCCH 0x01
#define GSMTAP_UMTS_CH_CCCH 0x02
#define GSMTAP_UMTS_CH_DCCH 0x03
/* sub-types for TYPE_LTE_RRC */
#define GSMTAP_LTE_CH_BCCH 0x01
#define GSMTAP_LTE_CH_CCCH 0x02
#define GSMTAP_LTE_CH_DCCH 0x03
#define GSMTAP_LTE_CH_MCCH 0x04
#define GSMTAP_LTE_CH_PCCH 0x05
#define GSMTAP_LTE_CH_DTCH 0x06
#define GSMTAP_LTE_CH_MTCH 0x07
/* flags for the ARFCN */
#define GSMTAP_ARFCN_F_PCS 0x8000
#define GSMTAP_ARFCN_F_UPLINK 0x4000
#define GSMTAP_ARFCN_MASK 0x3fff
/* IANA-assigned well-known UDP port for GSMTAP messages */
#define GSMTAP_UDP_PORT 4729
/* UMTS RRC message types */
enum {
GSMTAP_RRC_SUB_DL_DCCH_Message = 0,
GSMTAP_RRC_SUB_UL_DCCH_Message,
GSMTAP_RRC_SUB_DL_CCCH_Message,
GSMTAP_RRC_SUB_UL_CCCH_Message,
GSMTAP_RRC_SUB_PCCH_Message,
GSMTAP_RRC_SUB_DL_SHCCH_Message,
GSMTAP_RRC_SUB_UL_SHCCH_Message,
GSMTAP_RRC_SUB_BCCH_FACH_Message,
GSMTAP_RRC_SUB_BCCH_BCH_Message,
GSMTAP_RRC_SUB_MCCH_Message,
GSMTAP_RRC_SUB_MSCH_Message,
GSMTAP_RRC_SUB_HandoverToUTRANCommand,
GSMTAP_RRC_SUB_InterRATHandoverInfo,
GSMTAP_RRC_SUB_SystemInformation_BCH,
GSMTAP_RRC_SUB_System_Information_Container,
GSMTAP_RRC_SUB_UE_RadioAccessCapabilityInfo,
GSMTAP_RRC_SUB_MasterInformationBlock,
GSMTAP_RRC_SUB_SysInfoType1,
GSMTAP_RRC_SUB_SysInfoType2,
GSMTAP_RRC_SUB_SysInfoType3,
GSMTAP_RRC_SUB_SysInfoType4,
GSMTAP_RRC_SUB_SysInfoType5,
GSMTAP_RRC_SUB_SysInfoType5bis,
GSMTAP_RRC_SUB_SysInfoType6,
GSMTAP_RRC_SUB_SysInfoType7,
GSMTAP_RRC_SUB_SysInfoType8,
GSMTAP_RRC_SUB_SysInfoType9,
GSMTAP_RRC_SUB_SysInfoType10,
GSMTAP_RRC_SUB_SysInfoType11,
GSMTAP_RRC_SUB_SysInfoType11bis,
GSMTAP_RRC_SUB_SysInfoType12,
GSMTAP_RRC_SUB_SysInfoType13,
GSMTAP_RRC_SUB_SysInfoType13_1,
GSMTAP_RRC_SUB_SysInfoType13_2,
GSMTAP_RRC_SUB_SysInfoType13_3,
GSMTAP_RRC_SUB_SysInfoType13_4,
GSMTAP_RRC_SUB_SysInfoType14,
GSMTAP_RRC_SUB_SysInfoType15,
GSMTAP_RRC_SUB_SysInfoType15bis,
GSMTAP_RRC_SUB_SysInfoType15_1,
GSMTAP_RRC_SUB_SysInfoType15_1bis,
GSMTAP_RRC_SUB_SysInfoType15_2,
GSMTAP_RRC_SUB_SysInfoType15_2bis,
GSMTAP_RRC_SUB_SysInfoType15_2ter,
GSMTAP_RRC_SUB_SysInfoType15_3,
GSMTAP_RRC_SUB_SysInfoType15_3bis,
GSMTAP_RRC_SUB_SysInfoType15_4,
GSMTAP_RRC_SUB_SysInfoType15_5,
GSMTAP_RRC_SUB_SysInfoType15_6,
GSMTAP_RRC_SUB_SysInfoType15_7,
GSMTAP_RRC_SUB_SysInfoType15_8,
GSMTAP_RRC_SUB_SysInfoType16,
GSMTAP_RRC_SUB_SysInfoType17,
GSMTAP_RRC_SUB_SysInfoType18,
GSMTAP_RRC_SUB_SysInfoType19,
GSMTAP_RRC_SUB_SysInfoType20,
GSMTAP_RRC_SUB_SysInfoType21,
GSMTAP_RRC_SUB_SysInfoType22,
GSMTAP_RRC_SUB_SysInfoTypeSB1,
GSMTAP_RRC_SUB_SysInfoTypeSB2,
GSMTAP_RRC_SUB_ToTargetRNC_Container,
GSMTAP_RRC_SUB_TargetRNC_ToSourceRNC_Container,
GSMTAP_RRC_SUB_MAX
};
/* LTE RRC message types */
enum {
GSMTAP_LTE_RRC_SUB_DL_CCCH_Message = 0,
GSMTAP_LTE_RRC_SUB_DL_DCCH_Message,
GSMTAP_LTE_RRC_SUB_UL_CCCH_Message,
GSMTAP_LTE_RRC_SUB_UL_DCCH_Message,
GSMTAP_LTE_RRC_SUB_BCCH_BCH_Message,
GSMTAP_LTE_RRC_SUB_BCCH_DL_SCH_Message,
GSMTAP_LTE_RRC_SUB_PCCH_Message,
GSMTAP_LTE_RRC_SUB_MCCH_Message,
GSMTAP_LTE_RRC_SUB_MAX
};
/* ====== DO NOT MAKE UNAPPROVED MODIFICATIONS HERE ===== */
/*! Structure of the GTMTAP pseudo-header */
struct gsmtap_hdr {
uint8_t version; /*!< version, set to 0x01 currently */
uint8_t hdr_len; /*!< length in number of 32bit words */
uint8_t type; /*!< see GSMTAP_TYPE_* */
uint8_t timeslot; /*!< timeslot (0..7 on Um) */
uint16_t arfcn; /*!< ARFCN (frequency) */
int8_t signal_dbm; /*!< signal level in dBm */
int8_t snr_db; /*!< signal/noise ratio in dB */
uint32_t frame_number; /*!< GSM Frame Number (FN) */
uint8_t sub_type; /*!< Type of burst/channel, see above */
uint8_t antenna_nr; /*!< Antenna Number */
uint8_t sub_slot; /*!< sub-slot within timeslot */
uint8_t res; /*!< reserved for future use (RFU) */
} __attribute__((packed));
/*! Structure of the GTMTAP libosmocore logging header */
struct gsmtap_osmocore_log_hdr {
struct {
uint32_t sec;
uint32_t usec;
} ts;
char proc_name[16]; /*!< name of process */
uint32_t pid; /*!< process ID */
uint8_t level; /*!< logging level */
uint8_t _pad[3];
/* TODO: color */
char subsys[16]; /*!< logging sub-system */
struct {
char name[32]; /*!< source file name */
uint32_t line_nr;/*!< line number */
} src_file;
} __attribute__((packed));
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