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/* packet-nrppa.c
* Routines for 3GPP NR Positioning Protocol A (NRPPa) packet dissection
* Copyright 2019, Anders Broman <anders.broman@ericsson.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* Ref 3GPP TS 38.455 V17.4.0 (2023-03)
* http://www.3gpp.org
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/asn1.h>
#include "packet-per.h"
#include "packet-nrppa.h"
#define PNAME "NR Positioning Protocol A (NRPPa)"
#define PSNAME "NRPPa"
#define PFNAME "nrppa"
void proto_register_nrppa(void);
void proto_reg_handoff_nrppa(void);
/* Initialize the protocol and registered fields */
static int proto_nrppa = -1;
#include "packet-nrppa-hf.c"
/* Initialize the subtree pointers */
static gint ett_nrppa = -1;
#include "packet-nrppa-ett.c"
/* Global variables */
static guint32 ProcedureCode;
static guint32 ProtocolIE_ID;
/* Dissector tables */
static dissector_table_t nrppa_ies_dissector_table;
static dissector_table_t nrppa_extension_dissector_table;
static dissector_table_t nrppa_proc_imsg_dissector_table;
static dissector_table_t nrppa_proc_sout_dissector_table;
static dissector_table_t nrppa_proc_uout_dissector_table;
/* Include constants */
#include "packet-nrppa-val.h"
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
#include "packet-nrppa-fn.c"
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint_new(nrppa_ies_dissector_table, ProtocolIE_ID, tvb, pinfo, tree, FALSE, NULL)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint_new(nrppa_extension_dissector_table, ProtocolIE_ID, tvb, pinfo, tree, FALSE, NULL)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint_new(nrppa_proc_imsg_dissector_table, ProcedureCode, tvb, pinfo, tree, FALSE, NULL)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint_new(nrppa_proc_sout_dissector_table, ProcedureCode, tvb, pinfo, tree, FALSE, NULL)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint_new(nrppa_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree, FALSE, NULL)) ? tvb_captured_length(tvb) : 0;
}
/*--- proto_register_nrppa -------------------------------------------*/
void proto_register_nrppa(void) {
/* List of fields */
static hf_register_info hf[] = {
#include "packet-nrppa-hfarr.c"
};
/* List of subtrees */
static gint *ett[] = {
&ett_nrppa,
#include "packet-nrppa-ettarr.c"
};
/* Register protocol */
proto_nrppa = proto_register_protocol(PNAME, PSNAME, PFNAME);
register_dissector("nrppa", dissect_NRPPA_PDU_PDU, proto_nrppa);
/* Register fields and subtrees */
proto_register_field_array(proto_nrppa, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
/* Register dissector tables */
nrppa_ies_dissector_table = register_dissector_table("nrppa.ies", "NRPPA-PROTOCOL-IES", proto_nrppa, FT_UINT32, BASE_DEC);
nrppa_extension_dissector_table = register_dissector_table("nrppa.extension", "NRPPA-PROTOCOL-EXTENSION", proto_nrppa, FT_UINT32, BASE_DEC);
nrppa_proc_imsg_dissector_table = register_dissector_table("nrppa.proc.imsg", "NRPPA-ELEMENTARY-PROCEDURE InitiatingMessage", proto_nrppa, FT_UINT32, BASE_DEC);
nrppa_proc_sout_dissector_table = register_dissector_table("nrppa.proc.sout", "NRPPA-ELEMENTARY-PROCEDURE SuccessfulOutcome", proto_nrppa, FT_UINT32, BASE_DEC);
nrppa_proc_uout_dissector_table = register_dissector_table("nrppa.proc.uout", "NRPPA-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", proto_nrppa, FT_UINT32, BASE_DEC);
}
/*--- proto_reg_handoff_nrppa ---------------------------------------*/
void
proto_reg_handoff_nrppa(void)
{
#include "packet-nrppa-dis-tab.c"
}
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