diff options
Diffstat (limited to 'library/PCO_Types.ttcn')
| -rw-r--r-- | library/PCO_Types.ttcn | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/library/PCO_Types.ttcn b/library/PCO_Types.ttcn new file mode 100644 index 00000000..0eaa45e4 --- /dev/null +++ b/library/PCO_Types.ttcn @@ -0,0 +1,151 @@ +module PCO_Types { + +/* PCO_Types, defining abstract TTCN-3 data types for the Protocol Configuration Options (PCO). + * + * (C) 2024 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> + * All rights reserved. + * + * Released under the terms of GNU General Public License, Version 2 or + * (at your option) any later version. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +/* 3GPP TS 24.008 10.5.6.3, 3GPP TS 29.060 7.7.31 */ + +import from General_Types all; +import from Osmocom_Types all; + +type enumerated PCO_P { + PCO_P_LCP ('C021'O), + PCO_P_PAP ('C023'O), + PCO_P_CHAP ('C223'O), + PCO_P_IPCP ('8021'O), + PCO_P_PCSCF_ADDR ('0001'O), + PCO_P_IM_CN_SS_F ('0002'O), + PCO_P_DNS_IPv6_ADDR ('0003'O), + PCO_P_POLICY_CTRL_REJ ('0004'O), /* only in Network->MS */ + PCO_P_MS_SUP_NETREQ_BCI ('0005'O), + /* reserved */ + PCO_P_DSMIPv6_HA_ADDR ('0007'O), + PCO_P_DSMIPv6_HN_PREF ('0008'O), + PCO_P_DSMIPv6_v4_HA_ADDR ('0009'O), + PCO_P_IP_ADDR_VIA_NAS ('000a'O), /* only MS->Network */ + PCO_P_IPv4_ADDR_VIA_DHCP ('000b'O), /* only MS->Netowrk */ + PCO_P_PCSCF_IPv4_ADDR ('000c'O), + PCO_P_DNS_IPv4_ADDR ('000d'O), + PCO_P_MSISDN ('000e'O), + PCO_P_IFOM_SUPPORT ('000f'O), + PCO_P_IPv4_LINK_MTU ('0010'O), + PCO_P_MS_SUPP_LOC_A_TFT ('0011'O), + PCO_P_PCSCF_RESEL_SUP ('0012'O), /* only MS->Network */ + PCO_P_NBIFOM_REQ ('0013'O), + PCO_P_NBIFOM_MODE ('0014'O), + PCO_P_NONIP_LINK_MTU ('0015'O), + PCO_P_APN_RATE_CTRL_SUP ('0016'O), + PCO_P_PS_DATA_OFF_UE ('0017'O), + PCO_P_REL_DATA_SVC ('0018'O) +} with { variant "FIELDLENGTH(16)"; + variant "BYTEORDER(last)" }; + +function PCO_P_to_OCT2(PCO_P p) return OCT2 { + return int2oct(enum2int(p), 2); +} + +/* RFC 1332 IP Control Protocol options, extensions in RFC 1877 */ +type enumerated IPCP_OPT { + IPCP_OPT_IPADDR (3), /* RFC 1332 3.3 */ + IPCP_OPT_PRIMARY_DNS (129), /* RFC 1877 1.1 */ + IPCP_OPT_SECONDARY_DNS (131) /* RFC 1877 1.2 */ +} with { variant "FIELDLENGTH(8)" }; + +/* RFC 1334, section 3.2. Packet Format */ +type enumerated PAP_CODE_ { + PAP_CODE__IPADDR (1), + PAP_CODE__PRIMARY_DNS (2), + PAP_CODE__SECONDARY_DNS (3) +} with { variant "FIELDLENGTH(8)" }; + +type set of ProtocolElement ProtocolIDList; + +type record ProtocolElement { + PCO_P protocolID, + uint8_t lengthProtoID, + octetstring protoIDContents +} with { variant (lengthProtoID) "LENGTHTO(protoIDContents)" }; + +type record PCO_DATA { + BIT1 extension0, + BIT4 spare, + BIT3 configProtocol, + ProtocolIDList protocols +}; + +external function enc_PCO_DATA(in PCO_DATA pco_data) return octetstring +with { extension "prototype(convert)" extension "encode(RAW)" } + +external function dec_PCO_DATA(in octetstring pco_payload) return PCO_DATA +with { extension "prototype(convert) decode(RAW)" }; + +/********************** + * PCO_Templates: + **********************/ + +template (value) ProtocolElement ts_PCO_P_OCTSTR(template (value) PCO_P protocolID, + template (value) uint8_t lengthProtoID := 0, + template (value) octetstring protoIDContents := ''O) +:= { + protocolID := protocolID, + lengthProtoID := lengthProtoID, + protoIDContents := protoIDContents +} + +template (present) ProtocolElement tr_PCO_P_OCTSTR(template (present) PCO_P protocolID := ?, + template (present) uint8_t lengthProtoID := ?, + template (present) octetstring protoIDContents := ?) +:= { + protocolID := protocolID, + lengthProtoID := lengthProtoID, + protoIDContents := protoIDContents +} + + +template (value) ProtocolElement ts_PCO_P_DNS_IPv4(template (value) octetstring dns4 := ''O) := + ts_PCO_P_OCTSTR(PCO_P_DNS_IPv4_ADDR, protoIDContents := dns4); +template (present) ProtocolElement tr_PCO_P_DNS_IPv4(template (present) octetstring dns4 := ?) := + tr_PCO_P_OCTSTR(PCO_P_DNS_IPv4_ADDR, protoIDContents := dns4); + +template (value) ProtocolElement ts_PCO_P_DNS_IPv6(template (value) octetstring dns6 := ''O) := + ts_PCO_P_OCTSTR(PCO_P_DNS_IPv6_ADDR, protoIDContents := dns6); +template (present) ProtocolElement tr_PCO_P_DNS_IPv6(template (present) octetstring dns6 := ?) := + tr_PCO_P_OCTSTR(PCO_P_DNS_IPv6_ADDR, protoIDContents := dns6); + +template (value) ProtocolElement ts_PCO_P_PCSCF_IPv4(template (value) octetstring pcscf4 := ''O) := + ts_PCO_P_OCTSTR(PCO_P_PCSCF_IPv4_ADDR, protoIDContents := pcscf4); +template (present) ProtocolElement tr_PCO_P_PCSCF_IPv4(template (present) octetstring pcscf4 := ?) := + tr_PCO_P_OCTSTR(PCO_P_PCSCF_IPv4_ADDR, protoIDContents := pcscf4); + +template (value) ProtocolElement ts_PCO_P_PCSCF_IPv6(template (value) octetstring pcscf6 := ''O) := + ts_PCO_P_OCTSTR(PCO_P_PCSCF_ADDR, protoIDContents := pcscf6); +template (present) ProtocolElement tr_PCO_P_PCSCF_IPv6(template (present) octetstring pcscf6 := ?) := + tr_PCO_P_OCTSTR(PCO_P_PCSCF_ADDR, protoIDContents := pcscf6); + +/* PCO send base template */ +template (value) PCO_DATA ts_PCO(template (value) ProtocolIDList protocols := {}) := { + extension0 := '1'B, + spare := '0000'B, + configProtocol := '000'B, + protocols := protocols +} +/* PCO receive base template */ +template (present) PCO_DATA tr_PCO(template (present) ProtocolIDList protocols := ?) := { + extension0 := '1'B, + spare := ?, + configProtocol := '000'B, + protocols := protocols +} + +template (value) PCO_DATA ts_PCO_IPv4_DNS(template (value) octetstring dns4 := ''O) := + ts_PCO({ ts_PCO_P_DNS_IPv4(dns4) }); + +} with { encode "RAW"; variant "FIELDORDER(msb)" } |