/*
* OsmoGGSN - Gateway GPRS Support Node
* Copyright (C) 2002, 2003, 2004 Mondru AB.
*
* The contents of this file may be used under the terms of the GNU
* General Public License Version 2, provided that the above copyright
* notice and this permission notice is included in all copies or
* substantial portions of the software.
*
*/
#ifndef _GTPIE_H
#define _GTPIE_H
#include <arpa/inet.h>
/* Macroes for conversion between host and network byte order */
#define hton8(x) (x)
#define ntoh8(x) (x)
#define hton16(x) htons(x)
#define ntoh16(x) ntohs(x)
#define hton32(x) htonl(x)
#define ntoh32(x) ntohl(x)
#if BYTE_ORDER == LITTLE_ENDIAN
static __inline uint64_t hton64(uint64_t q)
{
register uint32_t u, l;
u = q >> 32;
l = (uint32_t) q;
return htonl(u) | ((uint64_t) htonl(l) << 32);
}
#define ntoh64(_x) hton64(_x)
#elif BYTE_ORDER == BIG_ENDIAN
#define hton64(_x) (_x)
#define ntoh64(_x) hton64(_x)
#else
#error "Please fix <machine/endian.h>"
#endif
#define GTPIE_SIZE 256 /* Max number of information elements */
#define GTPIE_MAX 0xffff /* Max length of information elements */
#define GTPIE_MAX_TV 28 /* Max length of type value pair */
#define GTPIE_MAX_TLV 0xffff-3 /* Max length of TLV (GTP length is 16 bit) */
#define GTPIE_DEBUG 0 /* Print debug information */
/* GTP Information elements from 29.060 v11.8.0 7.7 Information Elements */
/* Also covers version 0. Note that version 0 6: QOS Profile was superceded *
* by 135: QOS Profile in version 1 */
#define GTPIE_CAUSE 1 /* Cause 1 */
#define GTPIE_IMSI 2 /* International Mobile Subscriber Identity 8 */
#define GTPIE_RAI 3 /* Routing Area Identity (RAI) 8 */
#define GTPIE_TLLI 4 /* Temporary Logical Link Identity (TLLI) 4 */
#define GTPIE_P_TMSI 5 /* Packet TMSI (P-TMSI) 4 */
#define GTPIE_QOS_PROFILE0 6 /* Quality of Service Profile GTP version 0 3 */
/* 6-7 SPARE *//* 6 is QoS Profile vers 0 */
#define GTPIE_REORDER 8 /* Reordering Required 1 */
#define GTPIE_AUTH_TRIPLET 9 /* Authentication Triplet 28 */
/* 10 SPARE */
#define GTPIE_MAP_CAUSE 11 /* MAP Cause 1 */
#define GTPIE_P_TMSI_S 12 /* P-TMSI Signature 3 */
#define GTPIE_MS_VALIDATED 13 /* MS Validated 1 */
#define GTPIE_RECOVERY 14 /* Recovery 1 */
#define GTPIE_SELECTION_MODE 15 /* Selection Mode 1 */
#define GTPIE_FL_DI 16 /* Flow Label Data I 2 */
#define GTPIE_TEI_DI 16 /* Tunnel Endpoint Identifier Data I 4 */
#define GTPIE_TEI_C 17 /* Tunnel Endpoint Identifier Control Plane 4 */
#define GTPIE_FL_C 17 /* Flow Label Signalling 2 */
#define GTPIE_TEI_DII 18 /* Tunnel Endpoint Identifier Data II 5 */
#define GTPIE_TEARDOWN 19 /* Teardown Ind 1 */
#define GTPIE_NSAPI 20 /* NSAPI 1 */
#define GTPIE_RANAP_CAUSE 21 /* RANAP Cause 1 */
#define GTPIE_RAB_CONTEXT 22 /* RAB Context 7 */
#define GTPIE_RP_SMS 23 /* Radio Priority SMS 1 */
#define GTPIE_RP 24 /* Radio Priority 1 */
#define GTPIE_PFI 25 /* Packet Flow Id 2 */
#define GTPIE_CHARGING_C 26 /* Charging Characteristics 2 */
#define GTPIE_TRACE_REF 27 /* Trace Reference 2 */
#define GTPIE_TRACE_TYPE 28 /* Trace Type 2 */
#define GTPIE_MS_NOT_REACH 29 /* MS Not Reachable Reason 1 */
/* 30-116 UNUSED */
/* 117-126 Reserved for the GPRS charging protocol (see GTP' in GSM 12.15 / 32.295) */
#define GTPIE_CHARGING_ID 127 /* Charging ID 4 */
#define GTPIE_EUA 128 /* End User Address */
#define GTPIE_MM_CONTEXT 129 /* MM Context */
#define GTPIE_PDP_CONTEXT 130 /* PDP Context */
#define GTPIE_APN 131 /* Access Point Name */
#define GTPIE_PCO 132 /* Protocol Configuration Options */
#define GTPIE_GSN_ADDR 133 /* GSN Address */
#define GTPIE_MSISDN 134 /* MS International PSTN/ISDN Number */
#define GTPIE_QOS_PROFILE 135 /* Quality of Service Profile */
#define GTPIE_AUTH_QUINTUP 136 /* Authentication Quintuplet */
#define GTPIE_TFT 137 /* Traffic Flow Template */
#define GTPIE_TARGET_INF 138 /* Target Identification */
#define GTPIE_UTRAN_TRANS 139 /* UTRAN Transparent Container */
#define GTPIE_RAB_SETUP 140 /* RAB Setup Information */
#define GTPIE_EXT_HEADER_T 141 /* Extension Header Type List */
#define GTPIE_TRIGGER_ID 142 /* Trigger Id */
#define GTPIE_OMC_ID 143 /* OMC Identity */
#define GTPIE_RAN_T_CONTAIN 144 /* RAN Transparent Container */
#define GTPIE_PDP_CTX_PRIO 145 /* PDP Context Prioritization */
#define GTPIE_ADDL_RAB_S_I 146 /* Additional RAB Setup Information */
#define GTPIE_SGSN_NUMBER 147 /* SGSN Number */
#define GTPIE_COMMON_FLAGS 148 /* Common Flags */
#define GTPIE_APN_RESTR 149 /* APN Restriction */
#define GTPIE_R_PRIO_LCS 150 /* Radio Priority LCS */
#define GTPIE_RAT_TYPE 151 /* Radio Access Technology Type */
#define GTPIE_USER_LOC 152 /* User Location Information */
#define GTPIE_MS_TZ 153 /* MS Time Zone */
#define GTPIE_IMEI_SV 154 /* IMEI Software Version */
#define GTPIE_CML_CHG_I_CT 155 /* CAMEL Charging Information Container */
#define GTPIE_MBMS_UE_CTX 156 /* MSMS UE Context */
#define GTPIE_TMGI 157 /* Temporary Mobile Group Identity (TMGI) */
#define GTPIE_RIM_ROUT_ADDR 158 /* RIM Routing Address */
#define GTPIE_MBMS_PCO 159 /* MBMS Protocol Configuratin Options */
#define GTPIE_MBMS_SA 160 /* MBMS Service Area */
#define GTPIE_SRNC_PDCP_CTX 161 /* Source RNC PDCP Context Info */
#define GTPIE_ADDL_TRACE 162 /* Additional Trace Info */
#define GTPIE_HOP_CTR 163 /* Hop Counter */
#define GTPIE_SEL_PLMN_ID 164 /* Selected PLMN ID */
#define GTPIE_MBMS_SESS_ID 165 /* MBMS Session Identifier */
#define GTPIE_MBMS_2_3G_IND 166 /* MBMS 2G/3G Indicator */
#define GTPIE_ENH_NSAPI 167 /* Enhanced NSAPI */
#define GTPIE_MBMS_SESS_DUR 168 /* MBMS Session Duration */
#define GTPIE_A_MBMS_TRAC_I 169 /* Additional MBMS Trace Info */
#define GTPIE_MBMS_S_REP_N 170 /* MBMS Session Repetition Number */
#define GTPIE_MBMS_TTDT 171 /* MBMS Time To Data Transfer */
#define GTPIE_PS_HO_REQ_CTX 172 /* PS Handover Request Context */
#define GTPIE_BSS_CONTAINER 173 /* BSS Container */
#define GTPIE_CELL_ID 174 /* Cell Identification */
#define GTPIE_PDU_NUMBERS 175 /* PDU Numbers */
#define GTPIE_BSSGP_CAUSE 176 /* BSSGP Cause */
#define GTPIE_RQD_MBMS_BCAP 177 /* Required MBMS Bearer Capabilities */
#define GTPIE_RIM_RA_DISCR 178 /* RIM Routing Address Discriminator */
#define GTPIE_L_SETUP_PFCS 179 /* List of set-up PFCs */
#define GTPIE_PS_HO_XID_PAR 180 /* PS Handover XID Parameters */
#define GTPIE_MS_CHG_REP_A 181 /* MS Info Change Reporting Action */
#define GTPIE_DIR_TUN_FLAGS 182 /* Direct Tunnel Flags */
#define GTPIE_CORREL_ID 183 /* Correlation-ID */
#define GTPIE_BCM 184 /* Bearer control mode */
#define GTPIE_MBMS_FLOWI 185 /* MBMS Flow Identifier */
#define GTPIE_MBMS_MC_DIST 186 /* MBMS IP Multicast Distribution */
#define GTPIE_MBMS_DIST_ACK 187 /* MBMS Distribution Acknowledgement */
#define GTPIE_R_IRAT_HO_INF 188 /* Reliable INTER RAT HANDOVER INFO */
#define GTPIE_RFSP_IDX 189 /* RFSP Index */
#define GTPIE_FQDN 190 /* FQDN */
#define GTPIE_E_ALL_PRIO_1 191 /* Evolvd Allocation/Retention Priority I */
#define GTPIE_E_ALL_PRIO_2 192 /* Evolvd Allocation/Retention Priority II */
#define GTPIE_E_CMN_FLAGS 193 /* Extended Common Flags */
#define GTPIE_U_CSG_INFO 194 /* User CSG Information (UCI) */
#define GTPIE_CSG_I_REP_ACT 195 /* CSG Information Reporting Action */
#define GTPIE_CSG_ID 196 /* CSG ID */
#define GTPIE_CSG_MEMB_IND 197 /* CSG Membership Indication (CMI) */
#define GTPIE_AMBR 198 /* Aggregate Maximum Bit Rate (AMBR) */
#define GTPIE_UE_NET_CAPA 199 /* UE Network Capability */
#define GTPIE_UE_AMBR 200 /* UE-AMBR */
#define GTPIE_APN_AMBR_NS 201 /* APN-AMBR with NSAPI */
#define GTPIE_GGSN_BACKOFF 202 /* GGSN Back-Off Time */
#define GTPIE_S_PRIO_IND 203 /* Signalling Priority Indication */
#define GTPIE_S_PRIO_IND_NS 204 /* Signalling Priority Indication with NSAPI */
#define GTPIE_H_BR_16MBPS_F 205 /* Higher Bitrates than 16 Mbps flag */
/* 206: Reserved */
#define GTPIE_A_MMCTX_SRVCC 207 /* Additional MM context for SRVCC */
#define GTPIE_A_FLAGS_SRVCC 208 /* Additional flags fro SRVC */
#define GTPIE_STN_SR 209 /* STN-SR */
#define GTPIE_C_MSISDN 210 /* C-MSISDN */
#define GTPIE_E_RANAP_CAUSE 211 /* Extended RANAP Cause */
#define GTPIE_ENODEB_ID 212 /* eNodeB ID */
#define GTPIE_SEL_MODE_NS 213 /* Selection Mode with NSAPI */
#define GTPIE_ULI_TIMESTAMP 214 /* ULI Timestamp */
/* 215-238 Spare. For future use */
/* 239-250 Reserved for the GPRS charging protocol (see GTP' in GSM 12.15 / 32.295) */
#define GTPIE_CHARGING_ADDR 251 /* Charging Gateway Address */
/* 252-254 Reserved for the GPRS charging protocol (see GTP' in GSM 12.15 / 32.295) */
#define GTPIE_PRIVATE 255 /* Private Extension */
/* GTP information element structs in network order */
struct gtpie_ext { /* Extension header */
uint8_t t; /* Type */
uint8_t l; /* Length */
uint8_t *p; /* Value */
} __attribute__ ((packed));
struct gtpie_tlv { /* Type length value pair */
uint8_t t; /* Type */
uint16_t l; /* Length */
uint8_t v[GTPIE_MAX_TLV]; /* Value */
} __attribute__ ((packed));
struct gtpie_tv0 { /* 1 byte type value pair */
uint8_t t; /* Type */
uint8_t v[GTPIE_MAX_TV]; /* Pointer to value */
} __attribute__ ((packed));
struct gtpie_tv1 { /* 1 byte type value pair */
uint8_t t; /* Type */
uint8_t v; /* Value */
} __attribute__ ((packed));
struct gtpie_tv2 { /* 2 byte type value pair */
uint8_t t; /* Type */
uint16_t v; /* Value */
} __attribute__ ((packed));
struct gtpie_tv4 { /* 4 byte type value pair */
uint8_t t; /* Type */
uint32_t v; /* Value */
} __attribute__ ((packed));
struct gtpie_tv8 { /* 8 byte type value pair */
uint8_t t; /* Type */
uint64_t v; /* Value */
} __attribute__ ((packed));
union gtpie_member {
uint8_t t;
struct gtpie_ext ext;
struct gtpie_tlv tlv;
struct gtpie_tv0 tv0;
struct gtpie_tv1 tv1;
struct gtpie_tv2 tv2;
struct gtpie_tv4 tv4;
struct gtpie_tv8 tv8;
} __attribute__ ((packed));
/*
cause
imsi
rai
tlli
p_tmsi
qos_profile0
reorder
auth
map_cause
p_tmsi_s
ms_validated
recovery
selection_mode
tei_di
tei_c
tei_dii
teardown
nsapi
ranap_cause
rab_context
rp_sms
rp
pfi
charging_c
trace_ref
trace_type
ms_not_reach
charging_id
eua
mm_context
pdp_context
apn
pco
gsn_addr
msisdn
qos_profile
auth
tft
target_inf
utran_trans
rab_setup
ext_header_t
trigger_id
omc_id
charging_addr
private
*/
struct tlv1 {
uint8_t type;
uint8_t length;
} __attribute__ ((packed));
struct tlv2 {
uint8_t type;
uint16_t length;
} __attribute__ ((packed));
extern int gtpie_tlv(void *p, unsigned int *length, unsigned int size,
uint8_t t, int l, const void *v);
extern int gtpie_tv0(void *p, unsigned int *length, unsigned int size,
uint8_t t, int l, const uint8_t * v);
extern int gtpie_tv1(void *p, unsigned int *length, unsigned int size,
uint8_t t, uint8_t v);
extern int gtpie_tv2(void *p, unsigned int *length, unsigned int size,
uint8_t t, uint16_t v);
extern int gtpie_tv4(void *p, unsigned int *length, unsigned int size,
uint8_t t, uint32_t v);
extern int gtpie_tv8(void *p, unsigned int *length, unsigned int size,
uint8_t t, uint64_t v);
extern int gtpie_getie(union gtpie_member *ie[], int type, int instance);
extern int gtpie_exist(union gtpie_member *ie[], int type, int instance);
extern int gtpie_gettlv(union gtpie_member *ie[], int type, int instance,
unsigned int *length, void *dst, unsigned int size);
extern int gtpie_gettv0(union gtpie_member *ie[], int type, int instance,
void *dst, unsigned int size);
extern int gtpie_gettv1(union gtpie_member *ie[], int type, int instance,
uint8_t * dst);
extern int gtpie_gettv2(union gtpie_member *ie[], int type, int instance,
uint16_t * dst);
extern int gtpie_gettv4(union gtpie_member *ie[], int type, int instance,
uint32_t * dst);
extern int gtpie_gettv8(union gtpie_member *ie[], int type, int instance,
uint64_t * dst);
extern int gtpie_decaps(union gtpie_member *ie[], int version,
const void *pack, unsigned len);
extern int gtpie_encaps(union gtpie_member *ie[], void *pack, unsigned *len);
extern int gtpie_encaps2(union gtpie_member ie[], unsigned int size,
void *pack, unsigned *len);
extern int gtpie_encaps3(union gtpie_member *ie[], unsigned int ie_len,
void *pack, unsigned pack_len, unsigned *encoded_len);
#endif /* !_GTPIE_H */