/* * OpenGGSN - 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 /* 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 v3.9.0 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 Note that version 0 6: QOS Profile was superceded * * by 135: QOS Profile in version 1 */ #define GTPIE_CAUSE 1 /* Cause 1 */ #define GTPIE_IMSI 2 /* International Mobile Subscriber Identity 8 */ #define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) */ #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_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 */ /* 239-250 Reserved for the GPRS charging protocol (see GTP' in GSM 12.15) */ #define GTPIE_CHARGING_ADDR 251 /* Charging Gateway Address */ /* 252-254 Reserved for the GPRS charging protocol (see GTP' in GSM 12.15) */ #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, void *v); extern int gtpie_tv0(void *p, unsigned int *length, unsigned int size, uint8_t t, int l, 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, 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 */