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/* packet-rrc.c
* Routines for Universal Mobile Telecommunications System (UMTS);
* Radio Resource Control (RRC) protocol specification
* (3GPP TS 25.331 version 6.7.0 Release 6) packet dissection
* Copyright 2006, Anders Broman <anders.broman@ericsson.com>
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Ref: 3GPP TS 25.423 version 6.7.0 Release 6
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <glib.h>
#include <epan/packet.h>
#include <epan/asn1.h>
#include <stdio.h>
#include <string.h>
#include "packet-ber.h"
#include "packet-per.h"
#ifdef _MSC_VER
/* disable: "warning C4049: compiler limit : terminating line number emission" */
#pragma warning(disable:4049)
/* disable: "warning C4146: unary minus operator applied to unsigned type, result still unsigned" */
#pragma warning(disable:4146)
#endif
#define PNAME "Radio Resource Control (RRC) protocol"
#define PSNAME "RRC"
#define PFNAME "rrc"
static dissector_handle_t gsm_a_dtap_handle;
static dissector_handle_t rrc_ue_radio_access_cap_info_handle=NULL;
static dissector_handle_t rrc_dl_dcch_handle=NULL;
/* Include constants */
#include "packet-rrc-val.h"
/* Initialize the protocol and registered fields */
static int proto_rrc = -1;
static int hf_test;
#include "packet-rrc-hf.c"
/* Initialize the subtree pointers */
static int ett_rrc = -1;
#include "packet-rrc-ett.c"
/* Global variables */
static proto_tree *top_tree;
#include "packet-rrc-fn.c"
/*
TODO: Remove the dummy function when these functions are taken into use
These functions are not referenced from the ASN1 specifications
as this generates a lot of unsued code warings from GCC this dummy function
is introduced to reduce the number of warnings until the proper use is discovered
*/
static void
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_){
/* Dummy code to keep GCC happy */
switch(hf_index){
case 0:
dissect_rrc_UL_PhysChCapabilityFDD_r6( tvb, offset, actx , tree, hf_index);
dissect_rrc_UE_Positioning_GANSS_Data( tvb, offset, actx , tree, hf_index);
dissect_rrc_ToTargetRNC_Container( tvb, offset, actx , tree, hf_index);
dissect_rrc_TargetRNC_ToSourceRNC_Container( tvb, offset, actx , tree, hf_index);
break;
default:
break;
}
}
static void
dissect_rrc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
/* FIX ME Currently don't know the 'starting point' of this protocol
* exported DL-DCCH-Message is the entry point.
*/
proto_item *rrc_item = NULL;
proto_tree *rrc_tree = NULL;
top_tree = tree;
/* make entry in the Protocol column on summary display */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "RRC");
/* create the rrc protocol tree */
rrc_item = proto_tree_add_item(tree, proto_rrc, tvb, 0, -1, FALSE);
rrc_tree = proto_item_add_subtree(rrc_item, ett_rrc);
}
/*--- proto_register_rrc -------------------------------------------*/
void proto_register_rrc(void) {
/* List of fields */
static hf_register_info hf[] = {
#include "packet-rrc-hfarr.c"
{ &hf_test,
{ "RAB Test", "rrc.RAB.test",
FT_UINT8, BASE_DEC, NULL, 0,
"rrc.RAB_Info_r6", HFILL }},
};
/* List of subtrees */
static gint *ett[] = {
&ett_rrc,
#include "packet-rrc-ettarr.c"
};
/* Register protocol */
proto_rrc = proto_register_protocol(PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array(proto_rrc, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
register_dissector("rrc", dissect_rrc, proto_rrc);
#include "packet-rrc-dis-reg.c"
}
/*--- proto_reg_handoff_rrc ---------------------------------------*/
void
proto_reg_handoff_rrc(void)
{
gsm_a_dtap_handle = find_dissector("gsm_a_dtap");
rrc_ue_radio_access_cap_info_handle = find_dissector("rrc.ue_radio_access_cap_info");
rrc_dl_dcch_handle = find_dissector("rrc.dl.dcch");
}
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