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Diffstat (limited to 'gtp/gtpie.h')
| -rw-r--r-- | gtp/gtpie.h | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/gtp/gtpie.h b/gtp/gtpie.h new file mode 100644 index 0000000..3a798ae --- /dev/null +++ b/gtp/gtpie.h @@ -0,0 +1,279 @@ +/* + * OpenGGSN - Gateway GPRS Support Node + * Copyright (C) 2002 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. + * + * The initial developer of the original code is + * Jens Jakobsen <jj@openggsn.org> + * + * Contributor(s): + * + */ + +#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) + +#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 Note that version 0 6: QOS Profile was superceded * + * by 135: QOS Profile in version 1 */ + +#define GTPIE_CAUSE 1 /* Cause 1 */ +#define GTPIE_IMSI 2 /* International Mobile Subscriber Identity 8 */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 */ +/* 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 cause codes from 29.060 v3.9.0 7.7 */ +/* */ +#define GTPCAUSE_REQ_IMSI 0 /* Request IMSI */ +#define GTPCAUSE_REQ_IMEI 1 /* Request IMEI */ +#define GTPCAUSE_REQ_IMSI_IMEI 2 /* Request IMSI and IMEI */ +#define GTPCAUSE_NO_ID_NEEDED 3 /* No identity needed */ +#define GTPCAUSE_MS_REFUSES 4 /* MS refuses */ +#define GTPCAUSE_MS_NOT_RESP 5 /* MS is not GPRS responding */ +#define GTPCAUSE_006 6 /* For future use 6-48 */ +#define GTPCAUSE_049 49 /* Cause values reserved for GPRS charging protocol use (See GTP' in GSM 12.15) 49-63 */ +#define GTPCAUSE_064 64 /* For future use 64-127 */ +#define GTPCAUSE_ACC_REQ 128 /* Request accepted */ +#define GTPCAUSE_129 129 /* For future use 129-176 */ +#define GTPCAUSE_177 177 /* Cause values reserved for GPRS charging protocol use (See GTP' In GSM 12.15) 177-191 */ +#define GTPCAUSE_NON_EXIST 192 /* Non-existent */ +#define GTPCAUSE_INVALID_MESSAGE 193 /* Invalid message format */ +#define GTPCAUSE_IMSI_NOT_KNOWN 194 /* IMSI not known */ +#define GTPCAUSE_MS_DETACHED 195 /* MS is GPRS detached */ +#define GTPCAUSE_MS_NOT_RESP 196 /* MS is not GPRS responding */ +#define GTPCAUSE_MS_REFUSES 197 /* MS refuses */ +#define GTPCAUSE_198 198 /* For future use */ +#define GTPCAUSE_NO_RESOURCES 199 /* No resources available */ +#define GTPCAUSE_NOT_SUPPORTED 200 /* Service not supported */ +#define GTPCAUSE_MAN_IE_INCORRECT 201 /* Mandatory IE incorrect */ +#define GTPCAUSE_MAN_IE_MISSING 202 /* Mandatory IE missing */ +#define GTPCAUSE_OPT_IE_INCORRECT 203 /* Optional IE incorrect */ +#define GTPCAUSE_SYS_FAIL 204 /* System failure */ +#define GTPCAUSE_ROAMING_REST 205 /* Roaming Restriction */ +#define GTPCAUSE_PTIMSI_MISMATCH 206 /* P-TMSI signature mismatch */ +#define GTPCAUSE_CONN_SUSP 207 /* GPRS connection suspended */ +#define GTPCAUSE_AUTH_FAIL 208 /* Authentication failure */ +#define GTPCAUSE_USER_AUTH_FAIL 209 /* User authentication failed */ +#define GTPCAUSE_CONTEXT_NOT_FOUND 210 /* Context not found */ +#define GTPCAUSE_ADDR_OCCUPIED 211 /* All dynamic PDP addresses are occupied */ +#define GTPCAUSE_NO_MEMORY 212 /* No memory is available */ +#define GTPCAUSE_RELOC_FAIL 213 /* Relocation failure */ +#define GTPCAUSE_UNKNOWN_MAN_EXTHEADER 214 /* Unknown mandatory extension header */ +#define GTPCAUSE_SEM_ERR_TFT 215 /* Semantic error in the TFT operation */ +#define GTPCAUSE_SYN_ERR_TFT 216 /* Syntactic error in the TFT operation */ +#define GTPCAUSE_SEM_ERR_FILTER 217 /* Semantic errors in packet filter(s) */ +#define GTPCAUSE_SYN_ERR_FILTER 218 /* Syntactic errors in packet filter(s) */ +#define GTPCAUSE_MISSING_APN 219 /* Missing or unknown APN*/ +#define GTPCAUSE_UNKNOWN_PDP 220 /* Unknown PDP address or PDP type */ +#define GTPCAUSE_221 221 /* For Future Use 221-240 */ +#define GTPCAUSE_241 241 /* Cause Values Reserved For Gprs Charging Protocol Use (See Gtp' In Gsm 12.15) 241-255 */ + + +/* GTP information element structs in network order */ +struct gtpie_ext { /* Extension header */ + u_int8_t t; /* Type */ + u_int8_t l; /* Length */ + u_int8_t *p; /* Value */ +} __attribute__((packed)); + +struct gtpie_tlv { /* Type length value pair */ + u_int8_t t; /* Type */ + u_int16_t l; /* Length */ + u_int8_t v[GTPIE_MAX_TLV]; /* Value */ +} __attribute__((packed)); + +struct gtpie_tv0 { /* 1 byte type value pair */ + u_int8_t t; /* Type */ + u_int8_t v[GTPIE_MAX_TV]; /* Pointer to value */ +}__attribute__((packed)); + +struct gtpie_tv1 { /* 1 byte type value pair */ + u_int8_t t; /* Type */ + u_int8_t v; /* Value */ +}__attribute__((packed)); + +struct gtpie_tv2 { /* 2 byte type value pair */ + u_int8_t t; /* Type */ + u_int16_t v; /* Value */ +}__attribute__((packed)); + +struct gtpie_tv4 { /* 4 byte type value pair */ + u_int8_t t; /* Type */ + u_int32_t v; /* Value */ +}__attribute__((packed)); + +struct gtpie_tv8 { /* 8 byte type value pair */ + u_int8_t t; /* Type */ + u_int64_t v; /* Value */ +}__attribute__((packed)); + + +union gtpie_member { + u_int8_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 { + u_int8_t type; + u_int8_t length; +}__attribute__((packed)); + +struct tlv2 { + u_int8_t type; + u_int16_t length; +}__attribute__((packed)); + +extern int gtpie_tlv(void *p, int *length, int size, + u_int8_t t, int l, void *v); +extern int gtpie_tv0(void *p, int *length, int size, + u_int8_t t, int l, u_int8_t *v); +extern int gtpie_tv1(void *p, int *length, int size, u_int8_t t, u_int8_t v); +extern int gtpie_tv2(void *p, int *length, int size, u_int8_t t, u_int16_t v); +extern int gtpie_tv4(void *p, int *length, int size, u_int8_t t, u_int32_t v); +extern int gtpie_tv8(void *p, int *length, int size, u_int8_t t, u_int64_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, + int *length, void *dst, int size); +extern int gtpie_gettv0(union gtpie_member* ie[], int type, int instance, + void *dst, 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_decaps(union gtpie_member* ie[], void *pack, unsigned len); +extern int gtpie_encaps(union gtpie_member* ie[], void *pack, unsigned *len); +extern int gtpie_encaps2(union gtpie_member ie[], int size, + void *pack, unsigned *len); + + +#endif /* !_GTPIE_H */ + + |