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/* HNBAP common code */
/* (C) 2015 by Harald Welte <laforge@gnumonks.org>
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdint.h>
#include <osmocom/core/msgb.h>
#include <osmocom/hnbap/HNBAP-PDU.h>
#include <osmocom/hnbap/hnbap_common.h>
#include <osmocom/iuh/hnbgw.h>
static const struct value_string hnbap_cause_radio_vals[] = {
{ CauseRadioNetwork_overload, "overload" },
{ CauseRadioNetwork_unauthorised_Location, "unauthorized location" },
{ CauseRadioNetwork_unauthorised_HNB, "unauthorized HNB" },
{ CauseRadioNetwork_hNB_parameter_mismatch, "HNB parameter mismatch" },
{ CauseRadioNetwork_invalid_UE_identity, "invalid UE identity" },
{ CauseRadioNetwork_uE_not_allowed_on_this_HNB,
"UE not allowed on this HNB" },
{ CauseRadioNetwork_uE_unauthorised, "unauthorised UE" },
{ CauseRadioNetwork_connection_with_UE_lost, "connection with UE lost" },
{ CauseRadioNetwork_ue_RRC_release, "UE RRC release" },
{ CauseRadioNetwork_hNB_not_registered, "HNB not registered" },
{ CauseRadioNetwork_unspecified, "unspecified" },
{ CauseRadioNetwork_normal, "normal" },
{ CauseRadioNetwork_uE_relocated, "UE relocated" },
{ CauseRadioNetwork_ue_registered_in_another_HNB,
"UE registered in another HNB" },
{ 0, NULL }
};
static const struct value_string hnbap_cause_transp_vals[] = {
{ CauseTransport_transport_resource_unavailable,
"transport resource unavailable" },
{ CauseTransport_unspecified, "unspecified" },
{ 0, NULL }
};
static const struct value_string hnbap_cause_prot_vals[] = {
{ CauseProtocol_transfer_syntax_error, "syntax error" },
{ CauseProtocol_abstract_syntax_error_reject,
"abstract syntax error; reject" },
{ CauseProtocol_abstract_syntax_error_ignore_and_notify,
"abstract syntax error; ignore and notify" },
{ CauseProtocol_message_not_compatible_with_receiver_state,
"message not compatible with receiver state" },
{ CauseProtocol_semantic_error, "semantic error" },
{ CauseProtocol_unspecified, "unspecified" },
{ CauseProtocol_abstract_syntax_error_falsely_constructed_message,
"falsely constructed message" },
{ 0, NULL }
};
static const struct value_string hnbap_cause_misc_vals[] = {
{ CauseMisc_processing_overload, "processing overload" },
{ CauseMisc_hardware_failure, "hardware failure" },
{ CauseMisc_o_and_m_intervention, "OAM intervention" },
{ CauseMisc_unspecified, "unspecified" },
{ 0, NULL }
};
char *hnbap_cause_str(Cause_t *cause)
{
static char buf[32];
switch (cause->present) {
case Cause_PR_radioNetwork:
snprintf(buf, sizeof(buf), "radio(%s)",
get_value_string(hnbap_cause_radio_vals,
cause->choice.radioNetwork));
break;
case Cause_PR_transport:
snprintf(buf, sizeof(buf), "transport(%s)",
get_value_string(hnbap_cause_transp_vals,
cause->choice.transport));
break;
case Cause_PR_protocol:
snprintf(buf, sizeof(buf), "protocol(%s)",
get_value_string(hnbap_cause_prot_vals,
cause->choice.protocol));
break;
case Cause_PR_misc:
snprintf(buf, sizeof(buf), "misc(%s)",
get_value_string(hnbap_cause_misc_vals,
cause->choice.misc));
break;
}
return buf;
}
static struct msgb *hnbap_msgb_alloc(void)
{
return msgb_alloc(1024, "HNBAP Tx");
}
static struct msgb *_hnbap_gen_msg(HNBAP_PDU_t *pdu)
{
struct msgb *msg = hnbap_msgb_alloc();
asn_enc_rval_t rval;
if (!msg)
return NULL;
rval = aper_encode_to_buffer(&asn_DEF_HNBAP_PDU, pdu,
msg->data, msgb_tailroom(msg));
if (rval.encoded < 0) {
LOGP(DHNBAP, LOGL_ERROR, "Error encoding type: %s\n",
rval.failed_type->name);
}
msgb_put(msg, rval.encoded/8);
return msg;
}
struct msgb *hnbap_generate_initiating_message(
e_ProcedureCode procedureCode,
Criticality_t criticality,
asn_TYPE_descriptor_t * td, void *sptr)
{
struct msgb *msg;
HNBAP_PDU_t pdu;
int rc;
memset(&pdu, 0, sizeof(HNBAP_PDU_t));
pdu.present = HNBAP_PDU_PR_initiatingMessage;
pdu.choice.initiatingMessage.procedureCode = procedureCode;
pdu.choice.initiatingMessage.criticality = criticality;
rc = ANY_fromType_aper(&pdu.choice.initiatingMessage.value, td, sptr);
if (rc < 0) {
LOGP(DHNBAP, LOGL_ERROR, "Error in ANY_fromType_aper\n");
return NULL;
}
msg = _hnbap_gen_msg(&pdu);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_HNBAP_PDU, &pdu);
return msg;
}
struct msgb *hnbap_generate_successful_outcome(
e_ProcedureCode procedureCode,
Criticality_t criticality,
asn_TYPE_descriptor_t * td,
void *sptr)
{
struct msgb *msg;
HNBAP_PDU_t pdu;
int rc;
memset(&pdu, 0, sizeof(HNBAP_PDU_t));
pdu.present = HNBAP_PDU_PR_successfulOutcome;
pdu.choice.successfulOutcome.procedureCode = procedureCode;
pdu.choice.successfulOutcome.criticality = criticality;
rc = ANY_fromType_aper(&pdu.choice.successfulOutcome.value, td, sptr);
if (rc < 0) {
LOGP(DHNBAP, LOGL_ERROR, "Error in ANY_fromType_aper\n");
return NULL;
}
msg = _hnbap_gen_msg(&pdu);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_HNBAP_PDU, &pdu);
return msg;
}
struct msgb *hnbap_generate_unsuccessful_outcome(
e_ProcedureCode procedureCode,
Criticality_t criticality,
asn_TYPE_descriptor_t * td,
void *sptr)
{
struct msgb *msg;
HNBAP_PDU_t pdu;
int rc;
memset(&pdu, 0, sizeof(HNBAP_PDU_t));
pdu.present = HNBAP_PDU_PR_unsuccessfulOutcome;
pdu.choice.unsuccessfulOutcome.procedureCode = procedureCode;
pdu.choice.unsuccessfulOutcome.criticality = criticality;
rc = ANY_fromType_aper(&pdu.choice.unsuccessfulOutcome.value, td, sptr);
if (rc < 0) {
LOGP(DHNBAP, LOGL_ERROR, "Error in ANY_fromType_aper\n");
return NULL;
}
msg = _hnbap_gen_msg(&pdu);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_HNBAP_PDU, &pdu);
return msg;
}
IE_t *hnbap_new_ie(ProtocolIE_ID_t id,
Criticality_t criticality,
asn_TYPE_descriptor_t * type, void *sptr)
{
IE_t *buff;
int rc;
if ((buff = CALLOC(1, sizeof(IE_t))) == NULL) {
// Possible error on malloc
return NULL;
}
buff->id = id;
buff->criticality = criticality;
rc = ANY_fromType_aper(&buff->value, type, sptr);
if (rc < 0) {
LOGP(DHNBAP, LOGL_ERROR, "Error in ANY_fromType_aper\n");
FREEMEM(buff);
return NULL;
}
if (asn1_xer_print)
if (xer_fprint(stdout, &asn_DEF_IE, buff) < 0) {
FREEMEM(buff);
return NULL;
}
return buff;
}
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