forked from osmocom/wireshark
126 lines
4.6 KiB
C
126 lines
4.6 KiB
C
/* packet-lppa.c
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* Routines for 3GPP LTE Positioning Protocol A (LLPa) packet dissection
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* Copyright 2011, Pascal Quantin <pascal.quantin@gmail.com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Ref 3GPP TS 36.455 version 11.3.0 Release 11
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* http://www.3gpp.org
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/asn1.h>
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#include "packet-per.h"
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#define PNAME "LTE Positioning Protocol A (LPPa)"
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#define PSNAME "LPPa"
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#define PFNAME "lppa"
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void proto_register_lppa(void);
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void proto_reg_handoff_lppa(void);
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/* Initialize the protocol and registered fields */
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static int proto_lppa = -1;
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#include "packet-lppa-hf.c"
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/* Initialize the subtree pointers */
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static gint ett_lppa = -1;
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#include "packet-lppa-ett.c"
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/* Global variables */
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static guint32 ProcedureCode;
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static guint32 ProtocolIE_ID;
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/* Dissector tables */
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static dissector_table_t lppa_ies_dissector_table;
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static dissector_table_t lppa_proc_imsg_dissector_table;
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static dissector_table_t lppa_proc_sout_dissector_table;
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static dissector_table_t lppa_proc_uout_dissector_table;
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/* Include constants */
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#include "packet-lppa-val.h"
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static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
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static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
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static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
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static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
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#include "packet-lppa-fn.c"
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static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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return (dissector_try_uint(lppa_ies_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
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}
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static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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return (dissector_try_uint(lppa_proc_imsg_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
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}
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static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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return (dissector_try_uint(lppa_proc_sout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
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}
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static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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return (dissector_try_uint(lppa_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
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}
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/*--- proto_register_lppa -------------------------------------------*/
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void proto_register_lppa(void) {
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/* List of fields */
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static hf_register_info hf[] = {
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#include "packet-lppa-hfarr.c"
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};
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/* List of subtrees */
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static gint *ett[] = {
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&ett_lppa,
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#include "packet-lppa-ettarr.c"
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};
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/* Register protocol */
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proto_lppa = proto_register_protocol(PNAME, PSNAME, PFNAME);
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register_dissector("lppa", dissect_LPPA_PDU_PDU, proto_lppa);
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/* Register fields and subtrees */
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proto_register_field_array(proto_lppa, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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/* Register dissector tables */
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lppa_ies_dissector_table = register_dissector_table("lppa.ies", "LPPA-PROTOCOL-IES", proto_lppa, FT_UINT32, BASE_DEC);
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lppa_proc_imsg_dissector_table = register_dissector_table("lppa.proc.imsg", "LPPA-ELEMENTARY-PROCEDURE InitiatingMessage", proto_lppa, FT_UINT32, BASE_DEC);
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lppa_proc_sout_dissector_table = register_dissector_table("lppa.proc.sout", "LPPA-ELEMENTARY-PROCEDURE SuccessfulOutcome", proto_lppa, FT_UINT32, BASE_DEC);
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lppa_proc_uout_dissector_table = register_dissector_table("lppa.proc.uout", "LPPA-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", proto_lppa, FT_UINT32, BASE_DEC);
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}
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/*--- proto_reg_handoff_lppa ---------------------------------------*/
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void
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proto_reg_handoff_lppa(void)
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{
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#include "packet-lppa-dis-tab.c"
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}
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