forked from osmocom/wireshark
165 lines
4.6 KiB
C
165 lines
4.6 KiB
C
/* packet-rrc.c
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* Routines for Universal Mobile Telecommunications System (UMTS);
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* Radio Resource Control (RRC) protocol specification
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* (3GPP TS 25.331 version 6.7.0 Release 6) packet dissection
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* Copyright 2006, Anders Broman <anders.broman@ericsson.com>
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*
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* $Id$
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* Ref: 3GPP TS 25.423 version 6.7.0 Release 6
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/asn1.h>
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#include <stdio.h>
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#include <string.h>
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#include "packet-ber.h"
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#include "packet-per.h"
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#ifdef _MSC_VER
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/* disable: "warning C4049: compiler limit : terminating line number emission" */
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#pragma warning(disable:4049)
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/* disable: "warning C4146: unary minus operator applied to unsigned type, result still unsigned" */
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#pragma warning(disable:4146)
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#endif
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#define PNAME "Radio Resource Control (RRC) protocol"
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#define PSNAME "RRC"
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#define PFNAME "rrc"
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static dissector_handle_t gsm_a_dtap_handle;
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static dissector_handle_t rrc_ue_radio_access_cap_info_handle=NULL;
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static dissector_handle_t rrc_dl_dcch_handle=NULL;
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/* Include constants */
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#include "packet-rrc-val.h"
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/* Initialize the protocol and registered fields */
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static int proto_rrc = -1;
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static int hf_test;
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#include "packet-rrc-hf.c"
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/* Initialize the subtree pointers */
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static int ett_rrc = -1;
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#include "packet-rrc-ett.c"
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/* Global variables */
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static proto_tree *top_tree;
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#include "packet-rrc-fn.c"
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/*
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TODO: Remove the dummy function when these functions are taken into use
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These functions are not referenced from the ASN1 specifications
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as this generates a lot of unsued code warings from GCC this dummy function
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is introduced to reduce the number of warnings until the proper use is discovered
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*/
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static void
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dissect_rrc_dummy_remove_unused_code_warnings(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_){
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/* Dummy code to keep GCC happy */
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switch(hf_index){
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case 0:
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dissect_rrc_UL_PhysChCapabilityFDD_r6( tvb, offset, actx , tree, hf_index);
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dissect_rrc_UE_Positioning_GANSS_Data( tvb, offset, actx , tree, hf_index);
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dissect_rrc_ToTargetRNC_Container( tvb, offset, actx , tree, hf_index);
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dissect_rrc_TargetRNC_ToSourceRNC_Container( tvb, offset, actx , tree, hf_index);
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break;
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default:
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break;
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}
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}
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static void
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dissect_rrc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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/* FIX ME Currently don't know the 'starting point' of this protocol
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* exported DL-DCCH-Message is the entry point.
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*/
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proto_item *rrc_item = NULL;
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proto_tree *rrc_tree = NULL;
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top_tree = tree;
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/* make entry in the Protocol column on summary display */
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "RRC");
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/* create the rrc protocol tree */
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rrc_item = proto_tree_add_item(tree, proto_rrc, tvb, 0, -1, FALSE);
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rrc_tree = proto_item_add_subtree(rrc_item, ett_rrc);
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}
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/*--- proto_register_rrc -------------------------------------------*/
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void proto_register_rrc(void) {
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/* List of fields */
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static hf_register_info hf[] = {
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#include "packet-rrc-hfarr.c"
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{ &hf_test,
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{ "RAB Test", "rrc.RAB.test",
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FT_UINT8, BASE_DEC, NULL, 0,
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"rrc.RAB_Info_r6", HFILL }},
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};
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/* List of subtrees */
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static gint *ett[] = {
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&ett_rrc,
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#include "packet-rrc-ettarr.c"
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};
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/* Register protocol */
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proto_rrc = proto_register_protocol(PNAME, PSNAME, PFNAME);
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/* Register fields and subtrees */
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proto_register_field_array(proto_rrc, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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register_dissector("rrc", dissect_rrc, proto_rrc);
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#include "packet-rrc-dis-reg.c"
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}
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/*--- proto_reg_handoff_rrc ---------------------------------------*/
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void
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proto_reg_handoff_rrc(void)
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{
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gsm_a_dtap_handle = find_dissector("gsm_a_dtap");
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rrc_ue_radio_access_cap_info_handle = find_dissector("rrc.ue_radio_access_cap_info");
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rrc_dl_dcch_handle = find_dissector("rrc.dl.dcch");
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}
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