int decode_lcs_client_identity(LcsClientIdentity *lcsclientidentity, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
int decode_result;
if (iei > 0) {
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER(len - decoded, ielen);
if ((decode_result = decode_octet_string(&lcsclientidentity->lcsclientidentityvalue, ielen, buffer + decoded, len - decoded)) < 0)
return decode_result;
else
decoded += decode_result;
#if defined (NAS_DEBUG)
dump_lcs_client_identity_xml(lcsclientidentity, iei);
#endif
return decoded;
}
int
decode_authentication_parameter_autn (
AuthenticationParameterAutn * authenticationparameterautn,
uint8_t iei,
uint8_t * buffer,
uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
int decode_result;
if (iei > 0) {
CHECK_IEI_DECODER (iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER (len - decoded, ielen);
if ((decode_result = decode_octet_string (&authenticationparameterautn->autn, ielen, buffer + decoded, len - decoded)) < 0)
return decode_result;
else
decoded += decode_result;
#if NAS_DEBUG
dump_authentication_parameter_autn_xml (authenticationparameterautn, iei);
#endif
return decoded;
}
int
decode_daylight_saving_time (
DaylightSavingTime * daylightsavingtime,
uint8_t iei,
uint8_t * buffer,
uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
if (iei > 0) {
CHECK_IEI_DECODER (iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER (len - decoded, ielen);
*daylightsavingtime = *buffer & 0x3;
decoded++;
#if NAS_DEBUG
dump_daylight_saving_time_xml (daylightsavingtime, iei);
#endif
return decoded;
}
int
decode_voice_domain_preference_and_ue_usage_setting (
VoiceDomainPreferenceAndUeUsageSetting * voicedomainpreferenceandueusagesetting,
uint8_t iei,
uint8_t * buffer,
uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
if (iei > 0) {
CHECK_IEI_DECODER (iei, *buffer);
decoded++;
}
memset (voicedomainpreferenceandueusagesetting, 0, sizeof (VoiceDomainPreferenceAndUeUsageSetting));
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER (len - decoded, ielen);
voicedomainpreferenceandueusagesetting->ue_usage_setting = (*(buffer + decoded) >> 2) & 0x1;
voicedomainpreferenceandueusagesetting->voice_domain_for_eutran = *(buffer + decoded) & 0x3;
decoded++;
#if NAS_DEBUG
dump_voice_domain_preference_and_ue_usage_setting_xml (voicedomainpreferenceandueusagesetting, iei);
#endif
return decoded;
}
int decode_tracking_area_identity_list(TrackingAreaIdentityList *trackingareaidentitylist, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
if (iei > 0) {
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER(len - decoded, ielen);
trackingareaidentitylist->typeoflist = (*(buffer + decoded) >> 5) & 0x3;
trackingareaidentitylist->numberofelements = *(buffer + decoded) & 0x1f;
decoded++;
trackingareaidentitylist->mccdigit2 = (*(buffer + decoded) >> 4) & 0xf;
trackingareaidentitylist->mccdigit1 = *(buffer + decoded) & 0xf;
decoded++;
trackingareaidentitylist->mncdigit3 = (*(buffer + decoded) >> 4) & 0xf;
trackingareaidentitylist->mccdigit3 = *(buffer + decoded) & 0xf;
decoded++;
trackingareaidentitylist->mncdigit2 = (*(buffer + decoded) >> 4) & 0xf;
trackingareaidentitylist->mncdigit1 = *(buffer + decoded) & 0xf;
decoded++;
//IES_DECODE_U16(trackingareaidentitylist->tac, *(buffer + decoded));
IES_DECODE_U16(buffer, decoded, trackingareaidentitylist->tac);
#if defined (NAS_DEBUG)
dump_tracking_area_identity_list_xml(trackingareaidentitylist, iei);
#endif
return decoded;
}
int decode_authentication_failure_parameter(AuthenticationFailureParameter *authenticationfailureparameter, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
int decode_result;
if (iei > 0) {
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER(len - decoded, ielen);
if ((decode_result = decode_octet_string(&authenticationfailureparameter->auts, ielen, buffer + decoded, len - decoded)) < 0)
return decode_result;
else
decoded += decode_result;
#if defined (NAS_DEBUG)
dump_authentication_failure_parameter_xml(authenticationfailureparameter, iei);
#endif
return decoded;
}
int
decode_pdn_address (
PdnAddress * pdnaddress,
uint8_t iei,
uint8_t * buffer,
uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
int decode_result;
if (iei > 0) {
CHECK_IEI_DECODER (iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER (len - decoded, ielen);
pdnaddress->pdntypevalue = *(buffer + decoded) & 0x7;
decoded++;
if ((decode_result = decode_octet_string (&pdnaddress->pdnaddressinformation, ielen - 1, buffer + decoded, len - decoded)) < 0)
return decode_result;
else
decoded += decode_result;
#if NAS_DEBUG
dump_pdn_address_xml (pdnaddress, iei);
#endif
return decoded;
}
int
decode_ms_network_capability (
MsNetworkCapability * msnetworkcapability,
uint8_t iei,
uint8_t * buffer,
uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
int decode_result;
if (iei > 0) {
CHECK_IEI_DECODER (iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER (len - decoded, ielen);
if ((decode_result = decode_octet_string (&msnetworkcapability->msnetworkcapabilityvalue, ielen, buffer + decoded, len - decoded)) < 0)
return decode_result;
else
decoded += decode_result;
#if NAS_DEBUG
dump_ms_network_capability_xml (msnetworkcapability, iei);
#endif
return decoded;
}
int
decode_eps_network_feature_support (
EpsNetworkFeatureSupport * epsnetworkfeaturesupport,
uint8_t iei,
uint8_t * buffer,
uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
if (iei > 0) {
CHECK_IEI_DECODER (iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER (len - decoded, ielen);
*epsnetworkfeaturesupport = *buffer & 0x1;
decoded++;
#if NAS_DEBUG
dump_eps_network_feature_support_xml (epsnetworkfeaturesupport, iei);
#endif
return decoded;
}
int decode_esm_message_container(EsmMessageContainer *esmmessagecontainer, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
int decode_result;
uint16_t ielen;
LOG_FUNC_IN;
if (iei > 0) {
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
DECODE_LENGTH_U16(buffer + decoded, ielen, decoded);
CHECK_LENGTH_DECODER(len - decoded, ielen);
if ((decode_result = decode_octet_string(&esmmessagecontainer->esmmessagecontainercontents, ielen, buffer + decoded, len - decoded)) < 0) {
LOG_FUNC_RETURN(decode_result);
} else {
decoded += decode_result;
}
#if defined (NAS_DEBUG)
dump_esm_message_container_xml(esmmessagecontainer, iei);
#endif
LOG_FUNC_RETURN(decoded);
}
int decode_nas_message_container(NasMessageContainer *nasmessagecontainer, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
int decode_result;
if (iei > 0) {
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER(len - decoded, ielen);
if ((decode_result = decode_octet_string(&nasmessagecontainer->nasmessagecontainercontents, ielen, buffer + decoded, len - decoded)) < 0)
return decode_result;
else
decoded += decode_result;
#if defined (NAS_DEBUG)
dump_nas_message_container_xml(nasmessagecontainer, iei);
#endif
return decoded;
}
int decode_quality_of_service(QualityOfService *qualityofservice, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
if (iei > 0)
{
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER(len - decoded, ielen);
qualityofservice->delayclass = (*(buffer + decoded) >> 3) & 0x7;
qualityofservice->reliabilityclass = *(buffer + decoded) & 0x7;
decoded++;
qualityofservice->peakthroughput = (*(buffer + decoded) >> 4) & 0xf;
qualityofservice->precedenceclass = *(buffer + decoded) & 0x7;
decoded++;
qualityofservice->meanthroughput = *(buffer + decoded) & 0x1f;
decoded++;
qualityofservice->trafficclass = (*(buffer + decoded) >> 5) & 0x7;
qualityofservice->deliveryorder = (*(buffer + decoded) >> 3) & 0x3;
qualityofservice->deliveryoferroneoussdu = *(buffer + decoded) & 0x7;
decoded++;
qualityofservice->maximumsdusize = *(buffer + decoded);
decoded++;
qualityofservice->maximumbitrateuplink = *(buffer + decoded);
decoded++;
qualityofservice->maximumbitratedownlink = *(buffer + decoded);
decoded++;
qualityofservice->residualber = (*(buffer + decoded) >> 4) & 0xf;
qualityofservice->sduratioerror = *(buffer + decoded) & 0xf;
decoded++;
qualityofservice->transferdelay = (*(buffer + decoded) >> 2) & 0x3f;
qualityofservice->traffichandlingpriority = *(buffer + decoded) & 0x3;
decoded++;
qualityofservice->guaranteedbitrateuplink = *(buffer + decoded);
decoded++;
qualityofservice->guaranteedbitratedownlink = *(buffer + decoded);
decoded++;
qualityofservice->signalingindication = (*(buffer + decoded) >> 4) & 0x1;
qualityofservice->sourcestatisticsdescriptor = *(buffer + decoded) & 0xf;
decoded++;
#if defined (NAS_DEBUG)
dump_quality_of_service_xml(qualityofservice, iei);
#endif
return decoded;
}
int decode_traffic_flow_template(TrafficFlowTemplate *trafficflowtemplate, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
int decoded_result = 0;
uint8_t ielen = 0;
if (iei > 0)
{
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER(len - decoded, ielen);
trafficflowtemplate->tftoperationcode = (*(buffer + decoded) >> 5) & 0x7;
trafficflowtemplate->ebit = (*(buffer + decoded) >> 4) & 0x1;
trafficflowtemplate->numberofpacketfilters = *(buffer + decoded) & 0xf;
decoded++;
/* Decoding packet filter list */
if (trafficflowtemplate->tftoperationcode == TRAFFIC_FLOW_TEMPLATE_OPCODE_DELETE_PACKET)
{
decoded_result = decode_traffic_flow_template_delete_packet(&trafficflowtemplate->packetfilterlist.deletepacketfilter, trafficflowtemplate->numberofpacketfilters, (buffer + decoded), len - decoded);
}
else if (trafficflowtemplate->tftoperationcode == TRAFFIC_FLOW_TEMPLATE_OPCODE_CREATE)
{
decoded_result = decode_traffic_flow_template_create_tft(&trafficflowtemplate->packetfilterlist.createtft, trafficflowtemplate->numberofpacketfilters, (buffer + decoded), len - decoded);
}
else if (trafficflowtemplate->tftoperationcode == TRAFFIC_FLOW_TEMPLATE_OPCODE_ADD_PACKET)
{
decoded_result = decode_traffic_flow_template_add_packet(&trafficflowtemplate->packetfilterlist.addpacketfilter, trafficflowtemplate->numberofpacketfilters, (buffer + decoded), len - decoded);
}
else if (trafficflowtemplate->tftoperationcode == TRAFFIC_FLOW_TEMPLATE_OPCODE_REPLACE_PACKET)
{
decoded_result = decode_traffic_flow_template_replace_packet(&trafficflowtemplate->packetfilterlist.replacepacketfilter, trafficflowtemplate->numberofpacketfilters, (buffer + decoded), len - decoded);
}
#if defined (NAS_DEBUG)
dump_traffic_flow_template_xml(trafficflowtemplate, iei);
#endif
if (decoded_result < 0) {
return decoded_result;
}
return (decoded + decoded_result);
}
int
decode_mobile_station_classmark_2 (
MobileStationClassmark2 * mobilestationclassmark2,
uint8_t iei,
uint8_t * buffer,
uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
if (iei > 0) {
CHECK_IEI_DECODER (iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER (len - decoded, ielen);
mobilestationclassmark2->revisionlevel = (*(buffer + decoded) >> 5) & 0x3;
mobilestationclassmark2->esind = (*(buffer + decoded) >> 4) & 0x1;
mobilestationclassmark2->a51 = (*(buffer + decoded) >> 3) & 0x1;
mobilestationclassmark2->rfpowercapability = *(buffer + decoded) & 0x7;
decoded++;
mobilestationclassmark2->pscapability = (*(buffer + decoded) >> 6) & 0x1;
mobilestationclassmark2->ssscreenindicator = (*(buffer + decoded) >> 4) & 0x3;
mobilestationclassmark2->smcapability = (*(buffer + decoded) >> 3) & 0x1;
mobilestationclassmark2->vbs = (*(buffer + decoded) >> 2) & 0x1;
mobilestationclassmark2->vgcs = (*(buffer + decoded) >> 1) & 0x1;
mobilestationclassmark2->fc = *(buffer + decoded) & 0x1;
decoded++;
mobilestationclassmark2->cm3 = (*(buffer + decoded) >> 7) & 0x1;
mobilestationclassmark2->lcsvacap = (*(buffer + decoded) >> 5) & 0x1;
mobilestationclassmark2->ucs2 = (*(buffer + decoded) >> 4) & 0x1;
mobilestationclassmark2->solsa = (*(buffer + decoded) >> 3) & 0x1;
mobilestationclassmark2->cmsp = (*(buffer + decoded) >> 2) & 0x1;
mobilestationclassmark2->a53 = (*(buffer + decoded) >> 1) & 0x1;
mobilestationclassmark2->a52 = *(buffer + decoded) & 0x1;
decoded++;
#if NAS_DEBUG
dump_mobile_station_classmark_2_xml (mobilestationclassmark2, iei);
#endif
return decoded;
}
int decode_ue_network_capability(UeNetworkCapability *uenetworkcapability, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
if (iei > 0)
{
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
DECODE_U8(buffer + decoded, ielen, decoded);
memset(uenetworkcapability, 0, sizeof(UeNetworkCapability));
LOG_TRACE(INFO, "decode_ue_network_capability len = %d",ielen);
CHECK_LENGTH_DECODER(len - decoded, ielen);
uenetworkcapability->eea = *(buffer + decoded);
decoded++;
uenetworkcapability->eia = *(buffer + decoded);
decoded++;
/* Parts below not mandatory and may not be present */
if (ielen > 2) {
uenetworkcapability->uea = *(buffer + decoded);
decoded++;
if (ielen > 3) {
uenetworkcapability->ucs2 = (*(buffer + decoded) >> 7) & 0x1;
uenetworkcapability->uia = *(buffer + decoded) & 0x7f;
decoded++;
uenetworkcapability->umts_present =1;
LOG_TRACE(INFO, "uenetworkcapability decoded UMTS\n");
if (ielen > 4) {
uenetworkcapability->spare = (*(buffer + decoded) >> 5) & 0x7;
uenetworkcapability->csfb = (*(buffer + decoded) >> 4) & 0x1;
uenetworkcapability->lpp = (*(buffer + decoded) >> 3) & 0x1;
uenetworkcapability->lcs = (*(buffer + decoded) >> 2) & 0x1;
uenetworkcapability->srvcc = (*(buffer + decoded) >> 1) & 0x1;
uenetworkcapability->nf = *(buffer + decoded) & 0x1;
decoded++;
uenetworkcapability->gprs_present =1;
LOG_TRACE(INFO, "uenetworkcapability decoded GPRS\n");
}
int decode_packet_flow_identifier(PacketFlowIdentifier *packetflowidentifier, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
if (iei > 0) {
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER(len - decoded, ielen);
*packetflowidentifier = *buffer & 0x7f;
decoded++;
#if defined (NAS_DEBUG)
dump_packet_flow_identifier_xml(packetflowidentifier, iei);
#endif
return decoded;
}
int
decode_apn_aggregate_maximum_bit_rate (
ApnAggregateMaximumBitRate * apnaggregatemaximumbitrate,
uint8_t iei,
uint8_t * buffer,
uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
if (iei > 0) {
CHECK_IEI_DECODER (iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER (len - decoded, ielen);
apnaggregatemaximumbitrate->apnambrfordownlink = *(buffer + decoded);
decoded++;
apnaggregatemaximumbitrate->apnambrforuplink = *(buffer + decoded);
decoded++;
if (ielen >= 4) {
apnaggregatemaximumbitrate->apnambrfordownlink_extended = *(buffer + decoded);
decoded++;
apnaggregatemaximumbitrate->apnambrforuplink_extended = *(buffer + decoded);
decoded++;
if (ielen >= 6) {
apnaggregatemaximumbitrate->apnambrfordownlink_extended2 = *(buffer + decoded);
decoded++;
apnaggregatemaximumbitrate->apnambrforuplink_extended2 = *(buffer + decoded);
decoded++;
}
}
#if NAS_DEBUG
dump_apn_aggregate_maximum_bit_rate_xml (apnaggregatemaximumbitrate, iei);
#endif
return decoded;
}
int decode_eps_quality_of_service(EpsQualityOfService *epsqualityofservice, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
if (iei > 0) {
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER(len - decoded, ielen);
epsqualityofservice->qci = *(buffer + decoded);
decoded++;
if ( ielen > 2 + (iei > 0) ? 1 : 0 ) {
/* bitRates is present */
epsqualityofservice->bitRatesPresent = 1;
decoded += decode_eps_qos_bit_rates(&epsqualityofservice->bitRates,
buffer + decoded);
} else {
/* bitRates is not present */
epsqualityofservice->bitRatesPresent = 0;
}
if ( ielen > 6 + (iei > 0) ? 1 : 0 ) {
/* bitRatesExt is present */
epsqualityofservice->bitRatesExtPresent = 1;
decoded += decode_eps_qos_bit_rates(&epsqualityofservice->bitRatesExt,
buffer + decoded);
} else {
/* bitRatesExt is not present */
epsqualityofservice->bitRatesExtPresent = 0;
}
#if defined (NAS_DEBUG)
dump_eps_quality_of_service_xml(epsqualityofservice, iei);
#endif
return decoded;
}
int decode_cli(Cli *cli, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
int decode_result;
if (iei > 0)
{
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER(len - decoded, ielen);
if ((decode_result = decode_octet_string(&cli->clivalue, ielen, buffer + decoded, len - decoded)) < 0)
return decode_result;
else
decoded += decode_result;
#if defined (NAS_DEBUG)
dump_cli_xml(cli, iei);
#endif
return decoded;
}
