/* * 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 /* 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 " #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 Note that version 0 6: QOS Profile was superceded * * by 135: QOS Profile in version 1 */ #define GTPIE_CAUSE 1 /* Cause 1 */ #define GTPIE_IMSI 2 /* International Mobile Subscriber Identity 8 */ #define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 */