forked from osmocom/wireshark
651 lines
23 KiB
C
651 lines
23 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 packet dissection)
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* Copyright 2006-2010, Anders Broman <anders.broman@ericsson.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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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* Ref: 3GPP TS 25.331 V16.1.0 (2020-09)
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*/
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/**
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*
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* TODO:
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* - Fix ciphering information for circuit switched stuff
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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 <epan/conversation.h>
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#include <epan/expert.h>
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#include <epan/proto_data.h>
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#include "packet-ber.h"
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#include "packet-per.h"
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#include "packet-rrc.h"
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#include "packet-gsm_a_common.h"
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#include "packet-nbap.h"
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#include "packet-umts_fp.h"
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#include "packet-umts_mac.h"
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#include "packet-umts_rlc.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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extern int proto_fp; /*Handler to FP*/
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extern int proto_umts_mac; /*Handler to MAC*/
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extern int proto_umts_rlc; /*Handler to RLC*/
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GTree * hsdsch_muxed_flows = NULL;
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GTree * rrc_ciph_info_tree = NULL;
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wmem_tree_t* rrc_global_urnti_crnti_map = NULL;
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static int msg_type _U_;
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enum rrc_sib_segment_type {
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RRC_SIB_SEG_NO_SEGMENT = 0,
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RRC_SIB_SEG_FIRST = 1,
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RRC_SIB_SEG_SUBSEQUENT = 2,
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RRC_SIB_SEG_LAST_SHORT = 3,
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RRC_SIB_SEG_LAST_AND_FIRST = 4,
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RRC_SIB_SEG_LAST_AND_COMP = 5,
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RRC_SIB_SEG_LAST_AND_COMP_AND_FIRST = 6,
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RRC_SIB_SEG_COMP_LIST = 7,
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RRC_SIB_SEG_COMP_AND_FIRST = 8,
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RRC_SIB_SEG_COMP = 10,
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};
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/*****************************************************************************/
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/* Packet private data */
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/* For this dissector, all access to actx->private_data should be made */
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/* through this API, which ensures that they will not overwrite each other!! */
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/*****************************************************************************/
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typedef struct umts_rrc_private_data_t
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{
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guint32 s_rnc_id; /* The S-RNC ID part of a U-RNTI */
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guint32 s_rnti; /* The S-RNTI part of a U-RNTI */
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guint32 new_u_rnti;
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guint32 current_u_rnti;
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guint32 scrambling_code;
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enum nas_sys_info_gsm_map cn_domain;
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wmem_strbuf_t* digits_strbuf; /* A collection of digits in a string. Used for reconstructing IMSIs or MCC-MNC pairs */
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wmem_strbuf_t* last_mcc_strbuf; /* Last seen MCC digits string */
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gboolean digits_strbuf_parsing_failed_flag; /* Whether an error occured when creating the IMSI/MCC-MNC pair string */
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guint32 rbid;
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guint32 rlc_ciphering_sqn; /* Sequence number where ciphering starts in a given bearer */
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rrc_ciphering_info* ciphering_info;
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enum rrc_ue_state rrc_state_indicator;
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enum rrc_sib_segment_type curr_sib_segment_type;
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guint32 curr_sib_type;
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} umts_rrc_private_data_t;
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/* Helper function to get or create a struct that will be actx->private_data */
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static umts_rrc_private_data_t* umts_rrc_get_private_data(asn1_ctx_t *actx)
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{
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if (actx->private_data == NULL) {
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actx->private_data = wmem_new0(wmem_packet_scope(), umts_rrc_private_data_t);
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}
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return (umts_rrc_private_data_t*)actx->private_data;
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}
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static guint32 private_data_get_s_rnc_id(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->s_rnc_id;
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}
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static void private_data_set_s_rnc_id(asn1_ctx_t *actx, guint32 s_rnc_id)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->s_rnc_id = s_rnc_id;
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}
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static guint32 private_data_get_s_rnti(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->s_rnti;
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}
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static void private_data_set_s_rnti(asn1_ctx_t *actx, guint32 s_rnti)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->s_rnti = s_rnti;
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}
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static guint32 private_data_get_new_u_rnti(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->new_u_rnti;
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}
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static void private_data_set_new_u_rnti(asn1_ctx_t *actx, guint32 new_u_rnti)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->new_u_rnti = new_u_rnti;
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}
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static guint32 private_data_get_current_u_rnti(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->current_u_rnti;
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}
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static void private_data_set_current_u_rnti(asn1_ctx_t *actx, guint32 current_u_rnti)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->current_u_rnti = current_u_rnti;
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}
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static guint32 private_data_get_scrambling_code(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->scrambling_code;
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}
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static void private_data_set_scrambling_code(asn1_ctx_t *actx, guint32 scrambling_code)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->scrambling_code = scrambling_code;
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}
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static enum nas_sys_info_gsm_map private_data_get_cn_domain(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->cn_domain;
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}
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static void private_data_set_cn_domain(asn1_ctx_t *actx, enum nas_sys_info_gsm_map cn_domain)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->cn_domain = cn_domain;
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}
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static wmem_strbuf_t* private_data_get_digits_strbuf(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->digits_strbuf;
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}
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static void private_data_set_digits_strbuf(asn1_ctx_t *actx, wmem_strbuf_t* digits_strbuf)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->digits_strbuf = digits_strbuf;
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}
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static gboolean private_data_get_digits_strbuf_parsing_failed_flag(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->digits_strbuf_parsing_failed_flag;
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}
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static void private_data_set_digits_strbuf_parsing_failed_flag(asn1_ctx_t *actx, gboolean digits_strbuf_parsing_failed_flag)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->digits_strbuf_parsing_failed_flag = digits_strbuf_parsing_failed_flag;
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}
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static wmem_strbuf_t* private_data_get_last_mcc_strbuf(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->last_mcc_strbuf;
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}
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static void private_data_set_last_mcc_strbuf(asn1_ctx_t *actx, wmem_strbuf_t* last_mcc_strbuf)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->last_mcc_strbuf = last_mcc_strbuf;
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}
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static guint32 private_data_get_rbid(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->rbid;
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}
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static void private_data_set_rbid(asn1_ctx_t *actx, guint32 rbid)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->rbid = rbid;
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}
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static guint32 private_data_get_rlc_ciphering_sqn(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->rlc_ciphering_sqn;
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}
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static void private_data_set_rlc_ciphering_sqn(asn1_ctx_t *actx, guint32 rlc_ciphering_sqn)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->rlc_ciphering_sqn = rlc_ciphering_sqn;
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}
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static rrc_ciphering_info* private_data_get_ciphering_info(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->ciphering_info;
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}
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static void private_data_set_ciphering_info(asn1_ctx_t *actx, rrc_ciphering_info* ciphering_info)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->ciphering_info = ciphering_info;
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}
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static enum rrc_ue_state private_data_get_rrc_state_indicator(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->rrc_state_indicator;
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}
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static void private_data_set_rrc_state_indicator(asn1_ctx_t *actx, enum rrc_ue_state rrc_state_indicator)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->rrc_state_indicator = rrc_state_indicator;
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}
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static enum rrc_sib_segment_type private_data_get_curr_sib_segment_type(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->curr_sib_segment_type;
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}
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static void private_data_set_curr_sib_segment_type(asn1_ctx_t *actx, enum rrc_sib_segment_type curr_sib_segment_type)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->curr_sib_segment_type = curr_sib_segment_type;
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}
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static guint32 private_data_get_curr_sib_type(asn1_ctx_t *actx)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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return private_data->curr_sib_type;
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}
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static void private_data_set_curr_sib_type(asn1_ctx_t *actx, guint32 curr_sib_type)
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{
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umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx);
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private_data->curr_sib_type = curr_sib_type;
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}
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/*****************************************************************************/
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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_pcch_handle=NULL;
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static dissector_handle_t rrc_ul_ccch_handle=NULL;
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static dissector_handle_t rrc_dl_ccch_handle=NULL;
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static dissector_handle_t rrc_ul_dcch_handle=NULL;
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static dissector_handle_t rrc_dl_dcch_handle=NULL;
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static dissector_handle_t rrc_bcch_fach_handle=NULL;
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static dissector_handle_t lte_rrc_ue_eutra_cap_handle=NULL;
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static dissector_handle_t lte_rrc_dl_dcch_handle=NULL;
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static dissector_handle_t gsm_rlcmac_dl_handle=NULL;
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/* Forward declarations */
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void proto_register_rrc(void);
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void proto_reg_handoff_rrc(void);
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static int dissect_UE_RadioAccessCapabilityInfo_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
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static int dissect_SysInfoType11bis_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
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static int dissect_SysInfoType11ter_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
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static int dissect_SysInfoType22_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
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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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int proto_rrc = -1;
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static int hf_test;
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static int hf_urnti;
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static int hf_urnti_new;
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static int hf_urnti_current;
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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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static gint ett_rrc_eutraFeatureGroupIndicators = -1;
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static gint ett_rrc_cn_CommonGSM_MAP_NAS_SysInfo = -1;
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static gint ett_rrc_ims_info = -1;
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static gint ett_rrc_cellIdentity = -1;
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static gint ett_rrc_sib_data_var = -1;
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static expert_field ei_rrc_no_hrnti = EI_INIT;
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/* Global variables */
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static proto_tree *top_tree;
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static int hf_rrc_eutra_feat_group_ind_1 = -1;
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static int hf_rrc_eutra_feat_group_ind_2 = -1;
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static int hf_rrc_eutra_feat_group_ind_3 = -1;
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static int hf_rrc_eutra_feat_group_ind_4 = -1;
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static int hf_rrc_ims_info_atgw_trans_det_cont_type = -1;
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static int hf_rrc_ims_info_atgw_udp_port = -1;
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static int hf_rrc_ims_info_atgw_ipv4 = -1;
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static int hf_rrc_ims_info_atgw_ipv6 = -1;
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static int hf_rrc_cellIdentity_rnc_id = -1;
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static int hf_rrc_cellIdentity_c_id = -1;
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static const true_false_string rrc_eutra_feat_group_ind_1_val = {
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"UTRA CELL_PCH to EUTRA RRC_IDLE cell reselection - Supported",
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"UTRA CELL_PCH to EUTRA RRC_IDLE cell reselection - Not supported"
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};
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static const true_false_string rrc_eutra_feat_group_ind_2_val = {
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"EUTRAN measurements and reporting in connected mode - Supported",
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"EUTRAN measurements and reporting in connected mode - Not supported"
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};
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static const true_false_string rrc_eutra_feat_group_ind_3_val = {
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"UTRA CELL_FACH absolute priority cell reselection for high priority layers - Supported",
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"UTRA CELL_FACH absolute priority cell reselection for high priority layers - Not supported"
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};
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static const true_false_string rrc_eutra_feat_group_ind_4_val = {
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"UTRA CELL_FACH absolute priority cell reselection for all layers - Supported",
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"UTRA CELL_FACH absolute priority cell reselection for all layers - Not supported"
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};
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static const value_string rrc_ims_info_atgw_trans_det_cont_type[] = {
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{0, "ATGW-IPv4-address-and-port"},
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{1, "ATGW-IPv6-address-and-port"},
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{2, "ATGW-not-available"},
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{0, NULL}
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};
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static int flowd,type;
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/*Stores how many channels we have detected for a HS-DSCH MAC-flow*/
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#define RRC_MAX_NUM_HSDHSCH_MACDFLOW 8
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static guint8 num_chans_per_flow[RRC_MAX_NUM_HSDHSCH_MACDFLOW];
|
|
|
|
/**
|
|
* Return the maximum counter, useful for initiating counters
|
|
*/
|
|
#if 0
|
|
static int get_max_counter(int com_context){
|
|
int i;
|
|
guint32 max = 0;
|
|
rrc_ciphering_info * ciphering_info;
|
|
|
|
if( (ciphering_info = g_tree_lookup(rrc_ciph_info_tree, GINT_TO_POINTER((gint)com_context))) == NULL ){
|
|
return 0;
|
|
}
|
|
for(i = 0; i<31; i++){
|
|
max = MAX(ciphering_info->ps_conf_counters[i][0], max);
|
|
max = MAX(ciphering_info->ps_conf_counters[i][1], max);
|
|
}
|
|
return max;
|
|
}
|
|
#endif
|
|
/** Utility functions used for various comparisons/cleanups in tree **/
|
|
static gint rrc_key_cmp(gconstpointer b_ptr, gconstpointer a_ptr, gpointer ignore _U_){
|
|
if( GPOINTER_TO_INT(a_ptr) > GPOINTER_TO_INT(b_ptr) ){
|
|
return -1;
|
|
}
|
|
return GPOINTER_TO_INT(a_ptr) < GPOINTER_TO_INT(b_ptr);
|
|
}
|
|
|
|
static void rrc_free_value(gpointer value ){
|
|
g_free(value);
|
|
}
|
|
|
|
static rrc_ciphering_info*
|
|
get_or_create_cipher_info(fp_info *fpinf, rlc_info *rlcinf) {
|
|
rrc_ciphering_info *cipher_info = NULL;
|
|
guint32 ueid;
|
|
int i;
|
|
|
|
if (!fpinf || !rlcinf)
|
|
return NULL;
|
|
|
|
ueid = rlcinf->ueid[fpinf->cur_tb];
|
|
cipher_info = (rrc_ciphering_info *)g_tree_lookup(rrc_ciph_info_tree, GINT_TO_POINTER((gint)ueid));
|
|
|
|
if( cipher_info == NULL ){
|
|
cipher_info = g_new0(rrc_ciphering_info,1);
|
|
|
|
/*Initiate tree with START_PS values.*/
|
|
if(!cipher_info->start_ps)
|
|
cipher_info->start_ps = g_tree_new_full(rrc_key_cmp,
|
|
NULL,NULL,rrc_free_value);
|
|
|
|
/*Clear and initialize seq_no matrix*/
|
|
for(i = 0; i< 31; i++){
|
|
cipher_info->seq_no[i][0] = -1;
|
|
cipher_info->seq_no[i][1] = -1;
|
|
}
|
|
g_tree_insert(rrc_ciph_info_tree, GINT_TO_POINTER((gint)rlcinf->ueid[fpinf->cur_tb]), cipher_info);
|
|
}
|
|
return cipher_info;
|
|
}
|
|
|
|
/* Try to find the NBAP C-RNC Context and, if found, pair it with a given U-RNTI */
|
|
static void
|
|
rrc_try_map_urnti_to_crncc(guint32 u_rnti, asn1_ctx_t *actx)
|
|
{
|
|
guint32 scrambling_code, crnc_context;
|
|
/* Getting the user's Uplink Scrambling Code*/
|
|
scrambling_code = private_data_get_scrambling_code(actx);
|
|
if (u_rnti != 0 && scrambling_code != 0) {
|
|
/* Looking for the C-RNC Context mapped to this Scrambling Code */
|
|
crnc_context = GPOINTER_TO_UINT(wmem_tree_lookup32(nbap_scrambling_code_crncc_map,scrambling_code));
|
|
if (crnc_context != 0) {
|
|
/* Mapping the U-RNTI to the C-RNC context*/
|
|
wmem_tree_insert32(nbap_crncc_urnti_map,crnc_context,GUINT_TO_POINTER(u_rnti));
|
|
}
|
|
}
|
|
}
|
|
|
|
#include "packet-rrc-fn.c"
|
|
|
|
|
|
static int
|
|
dissect_rrc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
/* 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;
|
|
struct rrc_info *rrcinf;
|
|
|
|
top_tree = tree;
|
|
rrcinf = (struct rrc_info *)p_get_proto_data(wmem_file_scope(), pinfo, proto_rrc, 0);
|
|
|
|
/* make entry in the Protocol column on summary display */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "RRC");
|
|
|
|
/*Clear memory*/
|
|
memset(num_chans_per_flow,0,sizeof(guint8)*RRC_MAX_NUM_HSDHSCH_MACDFLOW);
|
|
|
|
/* create the rrc protocol tree */
|
|
rrc_item = proto_tree_add_item(tree, proto_rrc, tvb, 0, -1, ENC_NA);
|
|
rrc_tree = proto_item_add_subtree(rrc_item, ett_rrc);
|
|
|
|
if (rrcinf) {
|
|
switch (rrcinf->msgtype[pinfo->fd->subnum]) {
|
|
case RRC_MESSAGE_TYPE_PCCH:
|
|
call_dissector(rrc_pcch_handle, tvb, pinfo, rrc_tree);
|
|
break;
|
|
case RRC_MESSAGE_TYPE_UL_CCCH:
|
|
call_dissector(rrc_ul_ccch_handle, tvb, pinfo, rrc_tree);
|
|
break;
|
|
case RRC_MESSAGE_TYPE_DL_CCCH:
|
|
call_dissector(rrc_dl_ccch_handle, tvb, pinfo, rrc_tree);
|
|
break;
|
|
case RRC_MESSAGE_TYPE_UL_DCCH:
|
|
call_dissector(rrc_ul_dcch_handle, tvb, pinfo, rrc_tree);
|
|
break;
|
|
case RRC_MESSAGE_TYPE_DL_DCCH:
|
|
call_dissector(rrc_dl_dcch_handle, tvb, pinfo, rrc_tree);
|
|
break;
|
|
case RRC_MESSAGE_TYPE_BCCH_FACH:
|
|
call_dissector(rrc_bcch_fach_handle, tvb, pinfo, rrc_tree);
|
|
break;
|
|
default:
|
|
;
|
|
}
|
|
}
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
static void
|
|
rrc_init(void) {
|
|
/*Initialize structure for muxed flow indication*/
|
|
hsdsch_muxed_flows = g_tree_new_full(rrc_key_cmp,
|
|
NULL, /* data pointer, optional */
|
|
NULL,
|
|
rrc_free_value);
|
|
|
|
rrc_ciph_info_tree = g_tree_new_full(rrc_key_cmp,
|
|
NULL, /* data pointer, optional */
|
|
NULL,
|
|
rrc_free_value);
|
|
|
|
/* Global U-RNTI / C-RNTI map to be used in RACH channels */
|
|
rrc_global_urnti_crnti_map = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
|
|
}
|
|
|
|
static void
|
|
rrc_cleanup(void) {
|
|
/*Cleanup*/
|
|
g_tree_destroy(hsdsch_muxed_flows);
|
|
g_tree_destroy(rrc_ciph_info_tree);
|
|
}
|
|
|
|
/*--- 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 }},
|
|
{ &hf_urnti,
|
|
{ "U-RNTI", "rrc.urnti",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_urnti_new,
|
|
{ "New U-RNTI", "rrc.urnti_new",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_urnti_current,
|
|
{ "Current U-RNTI", "rrc.urnti_current",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_rrc_eutra_feat_group_ind_1,
|
|
{ "Indicator 1", "rrc.eutra_feat_group_ind_1",
|
|
FT_BOOLEAN, BASE_NONE, TFS(&rrc_eutra_feat_group_ind_1_val), 0,
|
|
"EUTRA Feature Group Indicator 1", HFILL }},
|
|
{ &hf_rrc_eutra_feat_group_ind_2,
|
|
{ "Indicator 2", "rrc.eutra_feat_group_ind_2",
|
|
FT_BOOLEAN, BASE_NONE, TFS(&rrc_eutra_feat_group_ind_2_val), 0,
|
|
"EUTRA Feature Group Indicator 2", HFILL }},
|
|
{ &hf_rrc_eutra_feat_group_ind_3,
|
|
{ "Indicator 3", "rrc.eutra_feat_group_ind_3",
|
|
FT_BOOLEAN, BASE_NONE, TFS(&rrc_eutra_feat_group_ind_3_val), 0,
|
|
"EUTRA Feature Group Indicator 3", HFILL }},
|
|
{ &hf_rrc_eutra_feat_group_ind_4,
|
|
{ "Indicator 4", "rrc.eutra_feat_group_ind_4",
|
|
FT_BOOLEAN, BASE_NONE, TFS(&rrc_eutra_feat_group_ind_4_val), 0,
|
|
"EUTRA Feature Group Indicator 4", HFILL }},
|
|
{ &hf_rrc_ims_info_atgw_trans_det_cont_type,
|
|
{ "ATGW transfer details content type", "rrc.rsrvcc_info.ims_info_atgw_trans_det_cont",
|
|
FT_UINT8, BASE_DEC, VALS(rrc_ims_info_atgw_trans_det_cont_type), 0x3,
|
|
"rSR-VCC IMS information ATGW transfer details content type", HFILL }},
|
|
{&hf_rrc_ims_info_atgw_udp_port,
|
|
{"ATGW UDP port","rrc.rsrvcc_info.ims_info_atgw_udp_port",
|
|
FT_UINT16,BASE_DEC, NULL, 0x0,
|
|
"rSR-VCC IMS information ATGW UDP port", HFILL }},
|
|
{ &hf_rrc_ims_info_atgw_ipv4,
|
|
{"ATGW IPv4", "rrc.rsrvcc_info.ims_info_atgw_ipv4",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
"rSR-VCC IMS information ATGW IPv4", HFILL}},
|
|
{ &hf_rrc_ims_info_atgw_ipv6,
|
|
{"ATGW IPv6", "rrc.rsrvcc_info.ims_info_atgw_ipv6",
|
|
FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"rSR-VCC IMS information ATGW IPv6", HFILL}},
|
|
{ &hf_rrc_cellIdentity_rnc_id,
|
|
{"RNC Identifier", "rrc.cellIdentity.rnc_id",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"The RNC Identifier (RNC-Id) part of the Cell Identity", HFILL }},
|
|
{ &hf_rrc_cellIdentity_c_id,
|
|
{"Cell Identifier", "rrc.cellIdentity.c_id",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"The Cell Identifier (C-Id) part of the Cell Identity", HFILL }}
|
|
};
|
|
|
|
/* List of subtrees */
|
|
static gint *ett[] = {
|
|
&ett_rrc,
|
|
#include "packet-rrc-ettarr.c"
|
|
&ett_rrc_eutraFeatureGroupIndicators,
|
|
&ett_rrc_cn_CommonGSM_MAP_NAS_SysInfo,
|
|
&ett_rrc_ims_info,
|
|
&ett_rrc_cellIdentity,
|
|
&ett_rrc_sib_data_var,
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_rrc_no_hrnti, { "rrc.no_hrnti", PI_SEQUENCE, PI_NOTE, "Did not detect any H-RNTI", EXPFILL }},
|
|
};
|
|
|
|
expert_module_t* expert_rrc;
|
|
|
|
/* 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));
|
|
expert_rrc = expert_register_protocol(proto_rrc);
|
|
expert_register_field_array(expert_rrc, ei, array_length(ei));
|
|
|
|
register_dissector("rrc", dissect_rrc, proto_rrc);
|
|
|
|
#include "packet-rrc-dis-reg.c"
|
|
|
|
|
|
|
|
|
|
register_init_routine(rrc_init);
|
|
register_cleanup_routine(rrc_cleanup);
|
|
}
|
|
|
|
|
|
/*--- proto_reg_handoff_rrc ---------------------------------------*/
|
|
void
|
|
proto_reg_handoff_rrc(void)
|
|
{
|
|
gsm_a_dtap_handle = find_dissector_add_dependency("gsm_a_dtap", proto_rrc);
|
|
rrc_pcch_handle = find_dissector("rrc.pcch");
|
|
rrc_ul_ccch_handle = find_dissector("rrc.ul.ccch");
|
|
rrc_dl_ccch_handle = find_dissector("rrc.dl.ccch");
|
|
rrc_ul_dcch_handle = find_dissector("rrc.ul.dcch");
|
|
rrc_dl_dcch_handle = find_dissector("rrc.dl.dcch");
|
|
rrc_ue_radio_access_cap_info_handle = find_dissector("rrc.ue_radio_access_cap_info");
|
|
rrc_dl_dcch_handle = find_dissector("rrc.dl.dcch");
|
|
lte_rrc_ue_eutra_cap_handle = find_dissector_add_dependency("lte-rrc.ue_eutra_cap", proto_rrc);
|
|
lte_rrc_dl_dcch_handle = find_dissector_add_dependency("lte-rrc.dl.dcch", proto_rrc);
|
|
rrc_bcch_fach_handle = find_dissector("rrc.bcch.fach");
|
|
gsm_rlcmac_dl_handle = find_dissector_add_dependency("gsm_rlcmac_dl", proto_rrc);
|
|
}
|
|
|
|
|