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