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/* packet-nbap-template.c
* Routines for UMTS Node B Application Part(NBAP) packet dissection
* Copyright 2005, 2009 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 25.433 version 6.6.0 Release 6
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <glib.h>
#include <epan/packet.h>
#include <epan/sctpppids.h>
#include <epan/asn1.h>
#include <epan/conversation.h>
#include "packet-per.h"
#include "packet-isup.h"
#include "packet-umts_fp.h"
#include "packet-rrc.h"
#ifdef _MSC_VER
/* disable: "warning C4146: unary minus operator applied to unsigned type, result still unsigned" */
#pragma warning(disable:4146)
#endif
#define PNAME "UTRAN Iub interface NBAP signalling"
#define PSNAME "NBAP"
#define PFNAME "nbap"
/* Debug */
#if 0
#define nbap_debug0(str) g_warning(str)
#define nbap_debug1(str,p1) g_warning(str,p1)
#define nbap_debug2(str,p1,p2) g_warning(str,p1,p2)
#define nbap_debug3(str,p1,p2,p3) g_warning(str,p1,p2,p3)
#else
#define nbap_debug0(str)
#define nbap_debug1(str,p1)
#define nbap_debug2(str,p1,p2)
#define nbap_debug3(str,p1,p2,p3)
#endif
/* Global variables */
dissector_handle_t fp_handle;
static guint32 transportLayerAddress_ipv4;
static guint16 BindingID_port;
#include "packet-nbap-val.h"
/* Initialize the protocol and registered fields */
static int proto_nbap = -1;
static int hf_nbap_transportLayerAddress_ipv4 = -1;
static int hf_nbap_transportLayerAddress_ipv6 = -1;
static int hf_nbap_transportLayerAddress_nsap = -1;
#include "packet-nbap-hf.c"
/* Initialize the subtree pointers */
static int ett_nbap = -1;
static int ett_nbap_TransportLayerAddress = -1;
static int ett_nbap_TransportLayerAddress_nsap = -1;
static int ett_nbap_ib_sg_data = -1;
#include "packet-nbap-ett.c"
extern int proto_fp;
/*
* Structure to build information needed to dissect the FP flow beeing set up.
*/
struct _nbap_msg_info_for_fp
{
guint32 ProcedureCode;
guint32 ddMode;
gboolean is_uplink;
gint channel; /* see definitions in packet-umts_fp.h Channel types */
guint8 dch_crc_present; /* 0=No, 1=Yes, 2=Unknown */
};
typedef struct
{
gint num_dch_in_flow;
gint next_dch;
gint num_ul_chans;
gint ul_chan_tf_size[MAX_FP_CHANS];
gint ul_chan_num_tbs[MAX_FP_CHANS];
gint num_dl_chans;
gint dl_chan_tf_size[MAX_FP_CHANS];
gint dl_chan_num_tbs[MAX_FP_CHANS];
}nbap_dch_channel_info_t;
nbap_dch_channel_info_t nbap_dch_chnl_info[maxNrOfDCHs];
/* Struct to collect E-DCH data in a packet
* As the address data comes before the ddi entries
* we save the address to be able to find the conversation and update the
* conversation data.
*/
typedef struct
{
address crnc_address;
guint16 crnc_port;
gint no_ddi_entries;
guint8 edch_ddi[MAX_EDCH_DDIS];
guint edch_macd_pdu_size[MAX_EDCH_DDIS];
guint8 edch_type; /* 1 means T2 */
} nbap_edch_channel_info_t;
nbap_edch_channel_info_t nbap_edch_channel_info[maxNrOfEDCHMACdFlows];
typedef struct
{
address crnc_address;
guint16 crnc_port;
enum fp_rlc_mode rlc_mode;
guint32 hsdsch_physical_layer_category;
} nbap_hsdsch_channel_info_t;
nbap_hsdsch_channel_info_t nbap_hsdsch_channel_info[maxNrOfMACdFlows];
gint g_num_dch_in_flow;
/* maxNrOfTFs INTEGER ::= 32 */
gint g_dchs_in_flow_list[maxNrOfTFs];
struct _nbap_msg_info_for_fp g_nbap_msg_info_for_fp;
/* Global variables */
static guint32 ProcedureCode;
static guint32 ProtocolIE_ID;
static guint32 ddMode;
static const gchar *ProcedureID;
static guint32 t_dch_id, dch_id, prev_dch_id, commonphysicalchannelid, e_dch_macdflow_id, hsdsch_macdflow_id, e_dch_ddi_value;
static guint32 MACdPDU_Size, commontransportchannelid;
static guint num_items;
static gint paging_indications;
static guint32 ib_type, segment_type;
enum TransportFormatSet_type_enum
{
NBAP_DCH_UL,
NBAP_DCH_DL,
NBAP_CPCH,
NBAP_FACH,
NBAP_PCH
};
enum TransportFormatSet_type_enum transportFormatSet_type;
/* Dissector tables */
static dissector_table_t nbap_ies_dissector_table;
static dissector_table_t nbap_extension_dissector_table;
static dissector_table_t nbap_proc_imsg_dissector_table;
static dissector_table_t nbap_proc_sout_dissector_table;
static dissector_table_t nbap_proc_uout_dissector_table;
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
#include "packet-nbap-fn.c"
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
return (dissector_try_uint_new(nbap_ies_dissector_table, ProtocolIE_ID, tvb, pinfo, tree, FALSE)) ? tvb_length(tvb) : 0;
}
static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
return (dissector_try_uint_new(nbap_extension_dissector_table, ProtocolIE_ID, tvb, pinfo, tree, FALSE)) ? tvb_length(tvb) : 0;
}
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
if (!ProcedureID) return 0;
return (dissector_try_string(nbap_proc_imsg_dissector_table, ProcedureID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
}
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
if (!ProcedureID) return 0;
return (dissector_try_string(nbap_proc_sout_dissector_table, ProcedureID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
}
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
if (!ProcedureID) return 0;
return (dissector_try_string(nbap_proc_uout_dissector_table, ProcedureID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0;
}
static void
dissect_nbap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
proto_item *nbap_item = NULL;
proto_tree *nbap_tree = NULL;
/* make entry in the Protocol column on summary display */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "NBAP");
/* create the nbap protocol tree */
nbap_item = proto_tree_add_item(tree, proto_nbap, tvb, 0, -1, ENC_NA);
nbap_tree = proto_item_add_subtree(nbap_item, ett_nbap);
dissect_NBAP_PDU_PDU(tvb, pinfo, nbap_tree);
}
/*--- proto_register_nbap -------------------------------------------*/
void proto_register_nbap(void) {
/* List of fields */
static hf_register_info hf[] = {
{ &hf_nbap_transportLayerAddress_ipv4,
{ "transportLayerAddress IPv4", "nbap.transportLayerAddress_ipv4",
FT_IPv4, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nbap_transportLayerAddress_ipv6,
{ "transportLayerAddress IPv6", "nbap.transportLayerAddress_ipv6",
FT_IPv6, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_nbap_transportLayerAddress_nsap,
{ "transportLayerAddress NSAP", "nbap.transportLayerAddress_NSAP",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }},
#include "packet-nbap-hfarr.c"
};
/* List of subtrees */
static gint *ett[] = {
&ett_nbap,
&ett_nbap_TransportLayerAddress,
&ett_nbap_TransportLayerAddress_nsap,
&ett_nbap_ib_sg_data,
#include "packet-nbap-ettarr.c"
};
/* Register protocol */
proto_nbap = proto_register_protocol(PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array(proto_nbap, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
/* Register dissector */
register_dissector("nbap", dissect_nbap, proto_nbap);
/* Register dissector tables */
nbap_ies_dissector_table = register_dissector_table("nbap.ies", "NBAP-PROTOCOL-IES", FT_UINT32, BASE_DEC);
nbap_extension_dissector_table = register_dissector_table("nbap.extension", "NBAP-PROTOCOL-EXTENSION", FT_UINT32, BASE_DEC);
nbap_proc_imsg_dissector_table = register_dissector_table("nbap.proc.imsg", "NBAP-ELEMENTARY-PROCEDURE InitiatingMessage", FT_STRING, BASE_NONE);
nbap_proc_sout_dissector_table = register_dissector_table("nbap.proc.sout", "NBAP-ELEMENTARY-PROCEDURE SuccessfulOutcome", FT_STRING, BASE_NONE);
nbap_proc_uout_dissector_table = register_dissector_table("nbap.proc.uout", "NBAP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", FT_STRING, BASE_NONE);
}
/*--- proto_reg_handoff_nbap ---------------------------------------*/
void
proto_reg_handoff_nbap(void)
{
dissector_handle_t nbap_handle;
nbap_handle = find_dissector("nbap");
fp_handle = find_dissector("fp");
dissector_add_uint("sctp.ppi", NBAP_PAYLOAD_PROTOCOL_ID, nbap_handle);
dissector_add_handle("sctp.port", nbap_handle); /* for "decode-as" */
#include "packet-nbap-dis-tab.c"
}
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