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Diffstat (limited to 'include/osmocom/gtp/gtpie.h')
| -rw-r--r-- | include/osmocom/gtp/gtpie.h | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/include/osmocom/gtp/gtpie.h b/include/osmocom/gtp/gtpie.h new file mode 100644 index 0000000..b6fea6e --- /dev/null +++ b/include/osmocom/gtp/gtpie.h @@ -0,0 +1,325 @@ +/* + * 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 Note that version 0 6: QOS Profile was superceded * + * by 135: QOS Profile in version 1 */ + +#define GTPIE_CAUSE 1 /* Cause 1 */ +#define GTPIE_IMSI 2 /* International Mobile Subscriber Identity 8 */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); + +#endif /* !_GTPIE_H */ |