int decode_esm_information_response(esm_information_response_msg *esm_information_response, uint8_t *buffer, uint32_t len)
{
uint32_t decoded = 0;
int decoded_result = 0;
// Check if we got a NULL pointer and if buffer length is >= minimum length expected for the message.
CHECK_PDU_POINTER_AND_LENGTH_DECODER(buffer, ESM_INFORMATION_RESPONSE_MINIMUM_LENGTH, len);
/* Decoding mandatory fields */
/* Decoding optional fields */
while(len - decoded > 0)
{
uint8_t ieiDecoded = *(buffer + decoded);
/* Type | value iei are below 0x80 so just return the first 4 bits */
if (ieiDecoded >= 0x80)
ieiDecoded = ieiDecoded & 0xf0;
switch(ieiDecoded)
{
case ESM_INFORMATION_RESPONSE_ACCESS_POINT_NAME_IEI:
if ((decoded_result =
decode_access_point_name(&esm_information_response->accesspointname,
ESM_INFORMATION_RESPONSE_ACCESS_POINT_NAME_IEI, buffer +
decoded, len - decoded)) <= 0)
return decoded_result;
decoded += decoded_result;
/* Set corresponding mask to 1 in presencemask */
esm_information_response->presencemask |= ESM_INFORMATION_RESPONSE_ACCESS_POINT_NAME_PRESENT;
break;
case ESM_INFORMATION_RESPONSE_PROTOCOL_CONFIGURATION_OPTIONS_IEI:
if ((decoded_result =
decode_protocol_configuration_options(&esm_information_response->protocolconfigurationoptions,
ESM_INFORMATION_RESPONSE_PROTOCOL_CONFIGURATION_OPTIONS_IEI,
buffer + decoded, len - decoded)) <= 0)
return decoded_result;
decoded += decoded_result;
/* Set corresponding mask to 1 in presencemask */
esm_information_response->presencemask |= ESM_INFORMATION_RESPONSE_PROTOCOL_CONFIGURATION_OPTIONS_PRESENT;
break;
default:
errorCodeDecoder = TLV_DECODE_UNEXPECTED_IEI;
return TLV_DECODE_UNEXPECTED_IEI;
}
}
return decoded;
}
int
decode_activate_default_eps_bearer_context_request (
activate_default_eps_bearer_context_request_msg * activate_default_eps_bearer_context_request,
uint8_t * buffer,
uint32_t len)
{
uint32_t decoded = 0;
int decoded_result = 0;
// Check if we got a NULL pointer and if buffer length is >= minimum length expected for the message.
CHECK_PDU_POINTER_AND_LENGTH_DECODER (buffer, ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_MINIMUM_LENGTH, len);
/*
* Decoding mandatory fields
*/
if ((decoded_result = decode_eps_quality_of_service (&activate_default_eps_bearer_context_request->epsqos, 0, buffer + decoded, len - decoded)) < 0)
return decoded_result;
else
decoded += decoded_result;
if ((decoded_result = decode_access_point_name (&activate_default_eps_bearer_context_request->accesspointname, 0, buffer + decoded, len - decoded)) < 0)
return decoded_result;
else
decoded += decoded_result;
if ((decoded_result = decode_pdn_address (&activate_default_eps_bearer_context_request->pdnaddress, 0, buffer + decoded, len - decoded)) < 0)
return decoded_result;
else
decoded += decoded_result;
/*
* Decoding optional fields
*/
while (len - decoded > 0) {
uint8_t ieiDecoded = *(buffer + decoded);
/*
* Type | value iei are below 0x80 so just return the first 4 bits
*/
if (ieiDecoded >= 0x80)
ieiDecoded = ieiDecoded & 0xf0;
switch (ieiDecoded) {
case ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_TRANSACTION_IDENTIFIER_IEI:
if ((decoded_result = decode_transaction_identifier (&activate_default_eps_bearer_context_request->transactionidentifier, ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_TRANSACTION_IDENTIFIER_IEI, buffer + decoded, len - decoded)) <= 0)
return decoded_result;
decoded += decoded_result;
/*
* Set corresponding mask to 1 in presencemask
*/
activate_default_eps_bearer_context_request->presencemask |= ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_TRANSACTION_IDENTIFIER_PRESENT;
break;
case ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_QOS_IEI:
if ((decoded_result = decode_quality_of_service (&activate_default_eps_bearer_context_request->negotiatedqos, ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_QOS_IEI, buffer + decoded, len - decoded)) <= 0)
return decoded_result;
decoded += decoded_result;
/*
* Set corresponding mask to 1 in presencemask
*/
activate_default_eps_bearer_context_request->presencemask |= ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_QOS_PRESENT;
break;
case ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_LLC_SAPI_IEI:
if ((decoded_result =
decode_llc_service_access_point_identifier (&activate_default_eps_bearer_context_request->negotiatedllcsapi, ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_LLC_SAPI_IEI, buffer + decoded, len - decoded)) <= 0)
return decoded_result;
decoded += decoded_result;
/*
* Set corresponding mask to 1 in presencemask
*/
activate_default_eps_bearer_context_request->presencemask |= ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_NEGOTIATED_LLC_SAPI_PRESENT;
break;
case ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_RADIO_PRIORITY_IEI:
if ((decoded_result = decode_radio_priority (&activate_default_eps_bearer_context_request->radiopriority, ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_RADIO_PRIORITY_IEI, buffer + decoded, len - decoded)) <= 0)
return decoded_result;
decoded += decoded_result;
/*
* Set corresponding mask to 1 in presencemask
*/
activate_default_eps_bearer_context_request->presencemask |= ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_RADIO_PRIORITY_PRESENT;
break;
case ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_PACKET_FLOW_IDENTIFIER_IEI:
if ((decoded_result = decode_packet_flow_identifier (&activate_default_eps_bearer_context_request->packetflowidentifier, ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_PACKET_FLOW_IDENTIFIER_IEI, buffer + decoded, len - decoded)) <= 0)
return decoded_result;
decoded += decoded_result;
/*
* Set corresponding mask to 1 in presencemask
*/
activate_default_eps_bearer_context_request->presencemask |= ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_PACKET_FLOW_IDENTIFIER_PRESENT;
break;
case ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_APNAMBR_IEI:
if ((decoded_result = decode_apn_aggregate_maximum_bit_rate (&activate_default_eps_bearer_context_request->apnambr, ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_APNAMBR_IEI, buffer + decoded, len - decoded)) <= 0)
return decoded_result;
decoded += decoded_result;
/*
* Set corresponding mask to 1 in presencemask
*/
activate_default_eps_bearer_context_request->presencemask |= ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_APNAMBR_PRESENT;
break;
case ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_ESM_CAUSE_IEI:
if ((decoded_result = decode_esm_cause (&activate_default_eps_bearer_context_request->esmcause, ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_ESM_CAUSE_IEI, buffer + decoded, len - decoded)) <= 0)
return decoded_result;
decoded += decoded_result;
/*
* Set corresponding mask to 1 in presencemask
*/
activate_default_eps_bearer_context_request->presencemask |= ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_ESM_CAUSE_PRESENT;
break;
case ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_IEI:
if ((decoded_result =
decode_protocol_configuration_options (&activate_default_eps_bearer_context_request->protocolconfigurationoptions,
ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_IEI, buffer + decoded, len - decoded)) <= 0)
return decoded_result;
decoded += decoded_result;
/*
* Set corresponding mask to 1 in presencemask
*/
activate_default_eps_bearer_context_request->presencemask |= ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_PRESENT;
break;
default:
errorCodeDecoder = TLV_DECODE_UNEXPECTED_IEI;
return TLV_DECODE_UNEXPECTED_IEI;
}
}
return decoded;
}
