/* packet-rrc.c * Routines for Universal Mobile Telecommunications System (UMTS); * Radio Resource Control (RRC) protocol specification * (3GPP TS 25.331 packet dissection) * Copyright 2006-2010, Anders Broman * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later * * Ref: 3GPP TS 25.331 V17.1.0 (2022-06) */ /** * * TODO: * - Fix ciphering information for circuit switched stuff */ #include "config.h" #include #include #include #include #include #include #include "packet-ber.h" #include "packet-per.h" #include "packet-rrc.h" #include "packet-gsm_a_common.h" #include "packet-nbap.h" #include "packet-umts_fp.h" #include "packet-umts_mac.h" #include "packet-umts_rlc.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" extern int proto_fp; /*Handler to FP*/ extern int proto_umts_mac; /*Handler to MAC*/ extern int proto_umts_rlc; /*Handler to RLC*/ GTree * hsdsch_muxed_flows = NULL; GTree * rrc_ciph_info_tree = NULL; wmem_tree_t* rrc_global_urnti_crnti_map = NULL; static int msg_type _U_; static gboolean rrc_nas_in_root_tree; enum rrc_sib_segment_type { RRC_SIB_SEG_NO_SEGMENT = 0, RRC_SIB_SEG_FIRST = 1, RRC_SIB_SEG_SUBSEQUENT = 2, RRC_SIB_SEG_LAST_SHORT = 3, RRC_SIB_SEG_LAST_AND_FIRST = 4, RRC_SIB_SEG_LAST_AND_COMP = 5, RRC_SIB_SEG_LAST_AND_COMP_AND_FIRST = 6, RRC_SIB_SEG_COMP_LIST = 7, RRC_SIB_SEG_COMP_AND_FIRST = 8, RRC_SIB_SEG_COMP = 10, }; /*****************************************************************************/ /* Packet private data */ /* For this dissector, all access to actx->private_data should be made */ /* through this API, which ensures that they will not overwrite each other!! */ /*****************************************************************************/ typedef struct umts_rrc_private_data_t { guint32 s_rnc_id; /* The S-RNC ID part of a U-RNTI */ guint32 s_rnti; /* The S-RNTI part of a U-RNTI */ guint32 new_u_rnti; guint32 current_u_rnti; guint32 scrambling_code; enum nas_sys_info_gsm_map cn_domain; wmem_strbuf_t* digits_strbuf; /* A collection of digits in a string. Used for reconstructing IMSIs or MCC-MNC pairs */ wmem_strbuf_t* last_mcc_strbuf; /* Last seen MCC digits string */ gboolean digits_strbuf_parsing_failed_flag; /* Whether an error occurred when creating the IMSI/MCC-MNC pair string */ guint32 rbid; guint32 rlc_ciphering_sqn; /* Sequence number where ciphering starts in a given bearer */ rrc_ciphering_info* ciphering_info; enum rrc_ue_state rrc_state_indicator; enum rrc_sib_segment_type curr_sib_segment_type; guint32 curr_sib_type; } umts_rrc_private_data_t; /* Helper function to get or create a struct that will be actx->private_data */ static umts_rrc_private_data_t* umts_rrc_get_private_data(asn1_ctx_t *actx) { if (actx->private_data == NULL) { actx->private_data = wmem_new0(actx->pinfo->pool, umts_rrc_private_data_t); } return (umts_rrc_private_data_t*)actx->private_data; } static guint32 private_data_get_s_rnc_id(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->s_rnc_id; } static void private_data_set_s_rnc_id(asn1_ctx_t *actx, guint32 s_rnc_id) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->s_rnc_id = s_rnc_id; } static guint32 private_data_get_s_rnti(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->s_rnti; } static void private_data_set_s_rnti(asn1_ctx_t *actx, guint32 s_rnti) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->s_rnti = s_rnti; } static guint32 private_data_get_new_u_rnti(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->new_u_rnti; } static void private_data_set_new_u_rnti(asn1_ctx_t *actx, guint32 new_u_rnti) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->new_u_rnti = new_u_rnti; } static guint32 private_data_get_current_u_rnti(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->current_u_rnti; } static void private_data_set_current_u_rnti(asn1_ctx_t *actx, guint32 current_u_rnti) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->current_u_rnti = current_u_rnti; } static guint32 private_data_get_scrambling_code(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->scrambling_code; } static void private_data_set_scrambling_code(asn1_ctx_t *actx, guint32 scrambling_code) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->scrambling_code = scrambling_code; } static enum nas_sys_info_gsm_map private_data_get_cn_domain(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->cn_domain; } static void private_data_set_cn_domain(asn1_ctx_t *actx, enum nas_sys_info_gsm_map cn_domain) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->cn_domain = cn_domain; } static wmem_strbuf_t* private_data_get_digits_strbuf(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->digits_strbuf; } static void private_data_set_digits_strbuf(asn1_ctx_t *actx, wmem_strbuf_t* digits_strbuf) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->digits_strbuf = digits_strbuf; } static gboolean private_data_get_digits_strbuf_parsing_failed_flag(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->digits_strbuf_parsing_failed_flag; } static void private_data_set_digits_strbuf_parsing_failed_flag(asn1_ctx_t *actx, gboolean digits_strbuf_parsing_failed_flag) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->digits_strbuf_parsing_failed_flag = digits_strbuf_parsing_failed_flag; } static wmem_strbuf_t* private_data_get_last_mcc_strbuf(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->last_mcc_strbuf; } static void private_data_set_last_mcc_strbuf(asn1_ctx_t *actx, wmem_strbuf_t* last_mcc_strbuf) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->last_mcc_strbuf = last_mcc_strbuf; } static guint32 private_data_get_rbid(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->rbid; } static void private_data_set_rbid(asn1_ctx_t *actx, guint32 rbid) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->rbid = rbid; } static guint32 private_data_get_rlc_ciphering_sqn(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->rlc_ciphering_sqn; } static void private_data_set_rlc_ciphering_sqn(asn1_ctx_t *actx, guint32 rlc_ciphering_sqn) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->rlc_ciphering_sqn = rlc_ciphering_sqn; } static rrc_ciphering_info* private_data_get_ciphering_info(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->ciphering_info; } static void private_data_set_ciphering_info(asn1_ctx_t *actx, rrc_ciphering_info* ciphering_info) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->ciphering_info = ciphering_info; } static enum rrc_ue_state private_data_get_rrc_state_indicator(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->rrc_state_indicator; } static void private_data_set_rrc_state_indicator(asn1_ctx_t *actx, enum rrc_ue_state rrc_state_indicator) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->rrc_state_indicator = rrc_state_indicator; } static enum rrc_sib_segment_type private_data_get_curr_sib_segment_type(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->curr_sib_segment_type; } static void private_data_set_curr_sib_segment_type(asn1_ctx_t *actx, enum rrc_sib_segment_type curr_sib_segment_type) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->curr_sib_segment_type = curr_sib_segment_type; } static guint32 private_data_get_curr_sib_type(asn1_ctx_t *actx) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); return private_data->curr_sib_type; } static void private_data_set_curr_sib_type(asn1_ctx_t *actx, guint32 curr_sib_type) { umts_rrc_private_data_t *private_data = (umts_rrc_private_data_t*)umts_rrc_get_private_data(actx); private_data->curr_sib_type = curr_sib_type; } /*****************************************************************************/ 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_pcch_handle=NULL; static dissector_handle_t rrc_ul_ccch_handle=NULL; static dissector_handle_t rrc_dl_ccch_handle=NULL; static dissector_handle_t rrc_ul_dcch_handle=NULL; static dissector_handle_t rrc_dl_dcch_handle=NULL; static dissector_handle_t rrc_bcch_fach_handle=NULL; static dissector_handle_t lte_rrc_ue_eutra_cap_handle=NULL; static dissector_handle_t lte_rrc_dl_dcch_handle=NULL; static dissector_handle_t gsm_rlcmac_dl_handle=NULL; /* Forward declarations */ void proto_register_rrc(void); void proto_reg_handoff_rrc(void); static int dissect_UE_RadioAccessCapabilityInfo_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *); static int dissect_SysInfoType11bis_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *); static int dissect_SysInfoType11ter_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *); static int dissect_SysInfoType22_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *); /* Include constants */ #include "packet-rrc-val.h" /* Initialize the protocol and registered fields */ int proto_rrc = -1; static int hf_test; static int hf_urnti; static int hf_urnti_new; static int hf_urnti_current; #include "packet-rrc-hf.c" /* Initialize the subtree pointers */ static int ett_rrc = -1; #include "packet-rrc-ett.c" static gint ett_rrc_eutraFeatureGroupIndicators = -1; static gint ett_rrc_cn_CommonGSM_MAP_NAS_SysInfo = -1; static gint ett_rrc_ims_info = -1; static gint ett_rrc_cellIdentity = -1; static gint ett_rrc_sib_data_var = -1; static expert_field ei_rrc_no_hrnti = EI_INIT; /* Global variables */ static proto_tree *top_tree; static int hf_rrc_eutra_feat_group_ind_1 = -1; static int hf_rrc_eutra_feat_group_ind_2 = -1; static int hf_rrc_eutra_feat_group_ind_3 = -1; static int hf_rrc_eutra_feat_group_ind_4 = -1; static int hf_rrc_ims_info_atgw_trans_det_cont_type = -1; static int hf_rrc_ims_info_atgw_udp_port = -1; static int hf_rrc_ims_info_atgw_ipv4 = -1; static int hf_rrc_ims_info_atgw_ipv6 = -1; static int hf_rrc_cellIdentity_rnc_id = -1; static int hf_rrc_cellIdentity_c_id = -1; static const true_false_string rrc_eutra_feat_group_ind_1_val = { "UTRA CELL_PCH to EUTRA RRC_IDLE cell reselection - Supported", "UTRA CELL_PCH to EUTRA RRC_IDLE cell reselection - Not supported" }; static const true_false_string rrc_eutra_feat_group_ind_2_val = { "EUTRAN measurements and reporting in connected mode - Supported", "EUTRAN measurements and reporting in connected mode - Not supported" }; static const true_false_string rrc_eutra_feat_group_ind_3_val = { "UTRA CELL_FACH absolute priority cell reselection for high priority layers - Supported", "UTRA CELL_FACH absolute priority cell reselection for high priority layers - Not supported" }; static const true_false_string rrc_eutra_feat_group_ind_4_val = { "UTRA CELL_FACH absolute priority cell reselection for all layers - Supported", "UTRA CELL_FACH absolute priority cell reselection for all layers - Not supported" }; static const value_string rrc_ims_info_atgw_trans_det_cont_type[] = { {0, "ATGW-IPv4-address-and-port"}, {1, "ATGW-IPv6-address-and-port"}, {2, "ATGW-not-available"}, {0, NULL} }; static int flowd,type; /*Stores how many channels we have detected for a HS-DSCH MAC-flow*/ #define RRC_MAX_NUM_HSDHSCH_MACDFLOW 8 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; } /* Set algorithms to 'unknown' since 0s are valid values */ cipher_info->ciphering_algorithm = -1; cipher_info->integrity_algorithm = -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; module_t *rrc_module; /* 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); /* Register configuration preferences */ rrc_module = prefs_register_protocol(proto_rrc, NULL); prefs_register_bool_preference(rrc_module, "nas_in_root_tree", "Show NAS PDU in root packet details", "Whether the NAS PDU should be shown in the root packet details tree", &rrc_nas_in_root_tree); } /*--- 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); }