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/*
* 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 Note that version 0 6: QOS Profile was superceded *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 */
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