diff options
Diffstat (limited to 'epan/dissectors/packet-gtpv2.c')
| -rw-r--r-- | epan/dissectors/packet-gtpv2.c | 12611 |
1 files changed, 12611 insertions, 0 deletions
diff --git a/epan/dissectors/packet-gtpv2.c b/epan/dissectors/packet-gtpv2.c new file mode 100644 index 00000000..dc4a8204 --- /dev/null +++ b/epan/dissectors/packet-gtpv2.c @@ -0,0 +1,12611 @@ +/* packet-gtpv2.c + * + * Routines for GTPv2 dissection + * Copyright 2009 - 2021, Anders Broman <anders.broman [at] ericsson.com> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * Ref: 3GPP TS 29.274 V18.0.0 (2022-09-23) + */ + +#include "config.h" + +#include <math.h> + +#include <epan/packet.h> +#include <epan/conversation.h> +#include <epan/to_str.h> +#include <epan/asn1.h> +#include <epan/expert.h> +#include <epan/sminmpec.h> +#include <epan/addr_resolv.h> +#include <epan/tap.h> +#include <epan/srt_table.h> + +#include "packet-gsm_a_common.h" +#include "packet-gsm_map.h" +#include "packet-e164.h" +#include "packet-e212.h" +#include "packet-s1ap.h" +#include "packet-ranap.h" +#include "packet-bssgp.h" +#include "packet-ngap.h" +#include "packet-ntp.h" +#include "packet-gtpv2.h" +#include "packet-radius.h" +#include "packet-diameter.h" +#include "packet-diameter_3gpp.h" +#include "packet-ip.h" + +void proto_register_gtpv2(void); +void proto_reg_handoff_gtpv2(void); + +static dissector_handle_t nas_eps_handle; +static dissector_table_t gtpv2_priv_ext_dissector_table; + + +/*GTPv2 Message->GTP Header(SB)*/ +static int proto_gtpv2 = -1; + +static int hf_gtpv2_response_in = -1; +static int hf_gtpv2_response_to = -1; +static int hf_gtpv2_response_time = -1; +static int hf_gtpv2_spare_half_octet = -1; +//static int hf_gtpv2_spare_b7_b1 = -1; +static int hf_gtpv2_spare_b7_b2 = -1; +static int hf_gtpv2_spare_b7_b3 = -1; +static int hf_gtpv2_spare_b7_b4 = -1; +static int hf_gtpv2_spare_b7_b5 = -1; + +static int hf_gtpv2_spare_bits = -1; +static int hf_gtpv2_flags = -1; +static int hf_gtpv2_version = -1; +static int hf_gtpv2_p = -1; +static int hf_gtpv2_t = -1; +static int hf_gtpv2_mp = -1; +static int hf_gtpv2_message_type = -1; +static int hf_gtpv2_msg_length = -1; +static int hf_gtpv2_teid = -1; +static int hf_gtpv2_seq = -1; +static int hf_gtpv2_msg_prio = -1; +static int hf_gtpv2_spare = -1; +static int hf_gtpv2_spare_w0 = -1; + +static int hf_gtpv2_ie = -1; +static int hf_gtpv2_ie_len = -1; +static int hf_gtpv2_cr = -1; +static int hf_gtpv2_instance = -1; +static int hf_gtpv2_cause = -1; +static int hf_gtpv2_cause_cs = -1; +static int hf_gtpv2_cause_bce = -1; +static int hf_gtpv2_cause_pce = -1; +static int hf_gtpv2_cause_off_ie_t = -1; +static int hf_gtpv2_rec = -1; +/*Start SRVCC Messages*/ +static int hf_gtpv2_stn_sr = -1; +static int hf_gtpv2_len_trans_con = -1; +static int hf_gtpv2_eksi = -1; +static int hf_gtpv2_ck = -1; +static int hf_gtpv2_ik = -1; +static int hf_gtpv2_len_ms_classmark2 = -1; +static int hf_gtpv2_len_ms_classmark3 = -1; +static int hf_gtpv2_len_supp_codec_list = -1; +static int hf_gtpv2_ksi = -1; +/*static int hf_gtpv2_kc = -1; */ +static int hf_gtpv2_cksn = -1; +static int hf_gtpv2_srvcc_cause = -1; +static int hf_gtpv2_rac = -1; +static int hf_gtpv2_rnc_id = -1; +static int hf_gtpv2_ext_rnc_id = -1; +static int hf_gtpv2_lac = -1; +static int hf_gtpv2_sac = -1; +static int hf_gtpv2_tgt_g_cell_id = -1; +static int hf_gtpv2_teid_c = -1; +static int hf_gtpv2_sv_sti = -1; +static int hf_gtpv2_sv_ics = -1; +static int hf_gtpv2_sv_emind = -1; +/*End SRVCC Messages*/ +static int hf_gtpv2_apn = -1; +static int hf_gtpv2_ebi = -1; +static int hf_gtpv2_daf = -1; +static int hf_gtpv2_dtf = -1; +static int hf_gtpv2_hi = -1; +static int hf_gtpv2_dfi = -1; +static int hf_gtpv2_oi = -1; +static int hf_gtpv2_isrsi = -1; +static int hf_gtpv2_israi = -1; +static int hf_gtpv2_sgwci = -1; +static int hf_gtpv2_sqci = -1; +static int hf_gtpv2_uimsi = -1; +static int hf_gtpv2_cfsi = -1; +static int hf_gtpv2_crsi = -1; +static int hf_gtpv2_pt = -1; +static int hf_gtpv2_ps = -1; +static int hf_gtpv2_si = -1; +static int hf_gtpv2_msv = -1; +static int hf_gtpv2_retloc = -1; +static int hf_gtpv2_pbic = -1; +static int hf_gtpv2_srni = -1; +static int hf_gtpv2_s6af = -1; +static int hf_gtpv2_s4af = -1; +static int hf_gtpv2_mbmdt = -1; +static int hf_gtpv2_israu = -1; +static int hf_gtpv2_ccrsi = -1; +static int hf_gtpv2_cprai = -1; +static int hf_gtpv2_arrl = -1; +static int hf_gtpv2_ppof = -1; +static int hf_gtpv2_ppon_ppei = -1; +static int hf_gtpv2_ppsi = -1; +static int hf_gtpv2_csfbi = -1; +static int hf_gtpv2_clii = -1; +static int hf_gtpv2_cpsr = -1; +static int hf_gtpv2_nsi = -1; +static int hf_gtpv2_uasi = -1; +static int hf_gtpv2_dtci = -1; +static int hf_gtpv2_bdwi = -1; +static int hf_gtpv2_psci = -1; +static int hf_gtpv2_pcri = -1; +static int hf_gtpv2_aosi = -1; +static int hf_gtpv2_aopi = -1; +static int hf_gtpv2_roaai = -1; +static int hf_gtpv2_epcosi = -1; +static int hf_gtpv2_cpopci = -1; +static int hf_gtpv2_pmtsmi = -1; +static int hf_gtpv2_s11tf = -1; +static int hf_gtpv2_pnsi = -1; +static int hf_gtpv2_unaccsi = -1; +static int hf_gtpv2_wpmsi = -1; + +static int hf_gtpv2_5gsnn26 = -1; +static int hf_gtpv2_reprefi = -1; +static int hf_gtpv2_5gsiwk = -1; +static int hf_gtpv2_eevrsi = -1; +static int hf_gtpv2_ltemui = -1; +static int hf_gtpv2_ltempi = -1; +static int hf_gtpv2_enbcrsi = -1; +static int hf_gtpv2_tspcmi = -1; +static int hf_gtpv2_ethpdn = -1; + +static int hf_gtpv2_csrmfi = -1; +static int hf_gtpv2_mtedtn = -1; +static int hf_gtpv2_mtedta = -1; +static int hf_gtpv2_n5gnmi = -1; +static int hf_gtpv2_5gcnrs = -1; +static int hf_gtpv2_5gcnri = -1; +static int hf_gtpv2_5srhoi = -1; + +static int hf_gtpv2_nspusi = -1; +static int hf_gtpv2_pgwrnsi = -1; +static int hf_gtpv2_rppcsi = -1; +static int hf_gtpv2_pgwchi= -1; +static int hf_gtpv2_sissme = -1; +static int hf_gtpv2_nsenbi = -1; +static int hf_gtpv2_idfupf = -1; +static int hf_gtpv2_emci = -1; + +static int hf_gtpv2_ltemsai = -1; +static int hf_gtpv2_srtpi = -1; +static int hf_gtpv2_upipsi = -1; + +static int hf_gtpv2_pdn_type = -1; +static int hf_gtpv2_pdn_ipv4 = -1; +static int hf_gtpv2_pdn_ipv6_len = -1; +static int hf_gtpv2_pdn_ipv6 = -1; +static int hf_gtpv2_pdn_numbers_nsapi = -1; +static int hf_gtpv2_p_tmsi = -1; +static int hf_gtpv2_p_tmsi_sig = -1; +static int hf_gtpv2_mmbr_ul = -1; +static int hf_gtpv2_mmbr_dl = -1; + +static int hf_gtpv2_rat_type = -1; +static int hf_gtpv2_uli_ext_macro_enb_id_flg = -1; +static int hf_gtpv2_uli_macro_enb_id_flg = -1; +static int hf_gtpv2_uli_lai_flg = -1; +static int hf_gtpv2_uli_ecgi_flg = -1; +static int hf_gtpv2_uli_tai_flg = -1; +static int hf_gtpv2_uli_rai_flg = -1; +static int hf_gtpv2_uli_sai_flg = -1; +static int hf_gtpv2_uli_cgi_flg = -1; +static int hf_gtpv2_glt = -1; +static int hf_gtpv2_cng_rep_act = -1; + +static int hf_gtpv2_selec_mode = -1; +static int hf_gtpv2_source_type = -1; +static int hf_gtpv2_f_teid_v4 = -1; +static int hf_gtpv2_f_teid_v6 = -1; +static int hf_gtpv2_f_teid_interface_type= -1; +static int hf_gtpv2_f_teid_gre_key= -1; +static int hf_gtpv2_f_teid_ipv4= -1; +static int hf_gtpv2_f_teid_ipv6= -1; +static int hf_gtpv2_tmsi = -1; +static int hf_gtpv2_hsgw_addr_f_len = -1; +static int hf_gtpv2_hsgw_addr_ipv4 = -1; +static int hf_gtpv2_hsgw_addr_ipv6 = -1; +static int hf_gtpv2_gre_key = -1; +static int hf_gtpv2_sgw_addr_ipv4 = -1; +static int hf_gtpv2_sgw_addr_ipv6 = -1; +static int hf_gtpv2_sgw_s1u_teid = -1; +static int hf_gtpv2_ipv4_addr = -1; + + +static int hf_gtpv2_ambr_up= -1; +static int hf_gtpv2_ambr_down= -1; +static int hf_gtpv2_ip_address_ipv4= -1; +static int hf_gtpv2_ip_address_ipv6= -1; +static int hf_gtpv2_mei= -1; + +/* Trace Information */ +/* static int hf_gtpv2_tra_info = -1; */ +static int hf_gtpv2_tra_info_msc_momt_calls = -1; +static int hf_gtpv2_tra_info_msc_momt_sms = -1; +static int hf_gtpv2_tra_info_msc_lu_imsi_ad = -1; +static int hf_gtpv2_tra_info_msc_handovers = -1; +static int hf_gtpv2_tra_info_msc_ss = -1; +static int hf_gtpv2_tra_info_mgw_context = -1; +static int hf_gtpv2_tra_info_sgsn_pdp_context = -1; +static int hf_gtpv2_tra_info_sgsn_momt_sms = -1; +static int hf_gtpv2_tra_info_sgsn_rau_gprs_ad = -1; +static int hf_gtpv2_tra_info_sgsn_mbms = -1; +static int hf_gtpv2_tra_info_sgsn_reserved = -1; +static int hf_gtpv2_tra_info_ggsn_pdp = -1; +static int hf_gtpv2_tra_info_ggsn_mbms = -1; +static int hf_gtpv2_tra_info_bm_sc = -1; +static int hf_gtpv2_tra_info_mme_sgw_ss = -1; +static int hf_gtpv2_tra_info_mme_sgw_sr = -1; +static int hf_gtpv2_tra_info_mme_sgw_iataud = -1; +static int hf_gtpv2_tra_info_mme_sgw_ue_init_pdn_disc = -1; +static int hf_gtpv2_tra_info_mme_sgw_bearer_act_mod_del = -1; +static int hf_gtpv2_tra_info_mme_sgw_ho = -1; +static int hf_gtpv2_tra_info_sgw_pdn_con_creat = -1; +static int hf_gtpv2_tra_info_sgw_pdn_con_term = -1; +static int hf_gtpv2_tra_info_sgw_bearer_act_mod_del = -1; +static int hf_gtpv2_tra_info_pgw_pdn_con_creat = -1; +static int hf_gtpv2_tra_info_pgw_pdn_con_term = -1; +static int hf_gtpv2_tra_info_pgw_bearer_act_mod_del = -1; +static int hf_gtpv2_tra_info_lne_msc_s = -1; +static int hf_gtpv2_tra_info_lne_mgw = -1; +static int hf_gtpv2_tra_info_lne_sgsn = -1; +static int hf_gtpv2_tra_info_lne_ggsn = -1; +static int hf_gtpv2_tra_info_lne_rnc = -1; +static int hf_gtpv2_tra_info_lne_bm_sc = -1; +static int hf_gtpv2_tra_info_lne_mme = -1; +static int hf_gtpv2_tra_info_lne_sgw = -1; +static int hf_gtpv2_tra_info_lne_pdn_gw = -1; +static int hf_gtpv2_tra_info_lne_enb = -1; +static int hf_gtpv2_tra_info_lne_amf = -1; +static int hf_gtpv2_tra_info_lne_smf = -1; +static int hf_gtpv2_tra_info_lne_pcf = -1; +static int hf_gtpv2_tra_info_lne_upf = -1; +static int hf_gtpv2_tra_info_tra_info_ng_ran_node = -1; +static int hf_gtpv2_tra_info_tdl = -1; +static int hf_gtpv2_tra_info_lmsc_a = -1; +static int hf_gtpv2_tra_info_lmsc_lu = -1; +static int hf_gtpv2_tra_info_lmsc_mc = -1; +static int hf_gtpv2_tra_info_lmsc_map_g = -1; +static int hf_gtpv2_tra_info_lmsc_map_b = -1; +static int hf_gtpv2_tra_info_lmsc_map_e = -1; +static int hf_gtpv2_tra_info_lmsc_map_f = -1; +static int hf_gtpv2_tra_info_lmsc_cap = -1; +static int hf_gtpv2_tra_info_lmsc_map_d = -1; +static int hf_gtpv2_tra_info_lmsc_map_c = -1; +static int hf_gtpv2_tra_info_lmgw_mc = -1; +static int hf_gtpv2_tra_info_lmgw_nb_up = -1; +static int hf_gtpv2_tra_info_lmgw_lu_up = -1; +static int hf_gtpv2_tra_info_lsgsn_gb = -1; +static int hf_gtpv2_tra_info_lsgsn_lu = -1; +static int hf_gtpv2_tra_info_lsgsn_gn = -1; +static int hf_gtpv2_tra_info_lsgsn_map_gr = -1; +static int hf_gtpv2_tra_info_lsgsn_map_gd = -1; +static int hf_gtpv2_tra_info_lsgsn_map_gf = -1; +static int hf_gtpv2_tra_info_lsgsn_gs = -1; +static int hf_gtpv2_tra_info_lsgsn_ge = -1; +static int hf_gtpv2_tra_info_lggsn_gn = -1; +static int hf_gtpv2_tra_info_lggsn_gi = -1; +static int hf_gtpv2_tra_info_lggsn_gmb = -1; +static int hf_gtpv2_tra_info_lrnc_lu = -1; +static int hf_gtpv2_tra_info_lrnc_lur = -1; +static int hf_gtpv2_tra_info_lrnc_lub = -1; +static int hf_gtpv2_tra_info_lrnc_uu = -1; +static int hf_gtpv2_tra_info_lbm_sc_gmb = -1; +static int hf_gtpv2_tra_info_lmme_s1_mme = -1; +static int hf_gtpv2_tra_info_lmme_s3 = -1; +static int hf_gtpv2_tra_info_lmme_s6a = -1; +static int hf_gtpv2_tra_info_lmme_s10 = -1; +static int hf_gtpv2_tra_info_lmme_s11 = -1; +static int hf_gtpv2_tra_info_lsgw_s4 = -1; +static int hf_gtpv2_tra_info_lsgw_s5 = -1; +static int hf_gtpv2_tra_info_lsgw_s8b = -1; +static int hf_gtpv2_tra_info_lsgw_s11 = -1; +static int hf_gtpv2_tra_info_lpdn_gw_s2a = -1; +static int hf_gtpv2_tra_info_lpdn_gw_s2b = -1; +static int hf_gtpv2_tra_info_lpdn_gw_s2c = -1; +static int hf_gtpv2_tra_info_lpdn_gw_s5 = -1; +static int hf_gtpv2_tra_info_lpdn_gw_s6c = -1; +static int hf_gtpv2_tra_info_lpdn_gw_gx = -1; +static int hf_gtpv2_tra_info_lpdn_gw_s8b = -1; +static int hf_gtpv2_tra_info_lpdn_gw_sgi = -1; +static int hf_gtpv2_tra_info_lenb_s1_mme = -1; +static int hf_gtpv2_tra_info_lenb_x2 = -1; +static int hf_gtpv2_tra_info_lenb_uu = -1; + +static int hf_gtpv2_ti = -1; + +static int hf_gtpv2_bearer_qos_pci= -1; +static int hf_gtpv2_bearer_qos_pl= -1; +static int hf_gtpv2_bearer_qos_pvi= -1; +static int hf_gtpv2_bearer_qos_label_qci = -1; +static int hf_gtpv2_bearer_qos_mbr_up = -1; +static int hf_gtpv2_bearer_qos_mbr_down = -1; +static int hf_gtpv2_bearer_qos_gbr_up = -1; +static int hf_gtpv2_bearer_qos_gbr_down = -1; +static int hf_gtpv2_flow_qos_label_qci = -1; +static int hf_gtpv2_flow_qos_mbr_up = -1; +static int hf_gtpv2_flow_qos_mbr_down = -1; +static int hf_gtpv2_flow_qos_gbr_up = -1; +static int hf_gtpv2_flow_qos_gbr_down = -1; + +static int hf_gtpv2_delay_value = -1; +static int hf_gtpv2_charging_id = -1; +static int hf_gtpv2_charging_characteristic = -1; +static int hf_gtpv2_bearer_flag_ppc = -1; +static int hf_gtpv2_bearer_flag_vb = -1; +static int hf_gtpv2_ue_time_zone_dst = -1; +static int hf_gtpv2_fq_csid_type = -1; +static int hf_gtpv2_fq_csid_nr = -1; +static int hf_gtpv2_fq_csid_ipv4 = -1; +static int hf_gtpv2_fq_csid_ipv6 = -1; +static int hf_gtpv2_fq_csid_id = -1; +static int hf_gtpv2_complete_req_msg_type = -1; +static int hf_gtpv2_mme_grp_id = -1; +static int hf_gtpv2_mme_code = -1; +static int hf_gtpv2_m_tmsi = -1; +static int hf_gtpv2_container_type = -1; +static int hf_gtpv2_cause_type = -1; +static int hf_gtpv2_CauseRadioNetwork = -1; +static int hf_gtpv2_CauseTransport = -1; +static int hf_gtpv2_CauseNas = -1; +static int hf_gtpv2_CauseProtocol = -1; +static int hf_gtpv2_CauseMisc = -1; +static int hf_gtpv2_target_type = -1; +static int hf_gtpv2_macro_enodeb_id = -1; +static int hf_gtpv2_smenb = -1; +static int hf_gtpv2_ext_macro_enodeb_id = -1; +static int hf_gtpv2_ext_macro_ng_enodeb_id = -1; +static int hf_gtpv2_enodebid = -1; +static int hf_gtpv2_cellid = -1; + +static int hf_gtpv2_node_type= -1; +static int hf_gtpv2_fqdn = -1; +static int hf_gtpv2_enterprise_id = -1; +static int hf_gtpv2_apn_rest= -1; +static int hf_gtpv2_pti= -1; +static int hf_gtpv2_mm_context_sm = -1; +static int hf_gtpv2_mm_context_nhi = -1; +static int hf_gtpv2_mm_context_drxi = -1; +static int hf_gtpv2_mm_context_cksn = -1; +static int hf_gtpv2_mm_context_cksn_ksi = -1; +static int hf_gtpv2_mm_context_kasme = -1; +static int hf_gtpv2_mm_context_rand = -1; +static int hf_gtpv2_mm_context_xres_len = -1; +static int hf_gtpv2_mm_context_xres = -1; +static int hf_gtpv2_mm_context_autn_len = -1; +static int hf_gtpv2_mm_context_autn = -1; +static int hf_gtpv2_mm_context_drx = -1; +static int hf_gtpv2_mm_context_ue_net_cap_len = -1; +static int hf_gtpv2_mm_context_ms_net_cap_len = -1; +static int hf_gtpv2_mm_context_mei_len = -1; +static int hf_gtpv2_mm_context_vdp_len = -1; +static int hf_gtpv2_mm_contex_nhi_old = -1; +static int hf_gtpv2_mm_context_old_ksiasme = -1; +static int hf_gtpv2_mm_context_old_ncc = -1; +static int hf_gtpv2_mm_context_old_kasme = -1; +static int hf_gtpv2_mm_context_old_nh = -1; +static int hf_gtpv2_mm_context_higher_br_16mb_flg_len = -1; +static int hf_gtpv2_mm_context_higher_br_16mb_flg = -1; +static int hf_gtpv2_vdp_length = -1; +static int hf_gtpv2_mm_context_paging_len = -1; +static int hf_gtpv2_mm_context_ex_access_res_data_len = -1; +static int hf_gtpv2_mm_context_ue_add_sec_cap_len = -1; +static int hf_gtpv2_mm_context_ue_nr_sec_cap_len = -1; +static int hf_gtpv2_mm_context_apn_rte_ctrl_sts_len = -1; +static int hf_gtpv2_mm_context_cnr_len = -1; +static int hf_gtpv2_mm_context_ue_radio_cap_len = -1; +static int hf_gtpv2_uci_csg_id = -1; +static int hf_gtpv2_uci_csg_id_spare = -1; +static int hf_gtpv2_uci_access_mode = -1; +static int hf_gtpv2_uci_lcsg = -1; +static int hf_gtpv2_uci_csg_membership = -1; + +static int hf_gtpv2_una = -1; +static int hf_gtpv2_gena = -1; +static int hf_gtpv2_gana = -1; +static int hf_gtpv2_ina = -1; +static int hf_gtpv2_ena = -1; +static int hf_gtpv2_hnna = -1; +static int hf_gtpv2_hbna = -1; +static int hf_gtpv2_mm_context_ksi_a= -1; +static int hf_gtpv2_mm_context_ksi = -1; +static int hf_gtpv2_mm_context_nr_tri = -1; +static int hf_gtpv2_mm_context_used_cipher = -1; +static int hf_gtpv2_mm_context_nr_qui = -1; +static int hf_gtpv2_mm_context_nr_qua = -1; +static int hf_gtpv2_mm_context_uamb_ri = -1; +static int hf_gtpv2_mm_context_osci = -1; +static int hf_gtpv2_mm_context_nruna = -1; +static int hf_gtpv2_mm_context_nrusrna = -1; +static int hf_gtpv2_mm_context_nrna = -1; +static int hf_gtpv2_mm_context_ussrna = -1; +static int hf_gtpv2_mm_context_nrsrna = -1; +static int hf_gtpv2_mm_context_ensct = -1; + +static int hf_gtpv2_mm_context_samb_ri = -1; +static int hf_gtpv2_mm_context_unipa = -1; +static int hf_gtpv2_mm_context_unc = -1; +static int hf_gtpv2_mm_context_nas_dl_cnt = -1; +static int hf_gtpv2_mm_context_nas_ul_cnt = -1; + +static int hf_gtpv2_uli_cgi_lac= -1; +static int hf_gtpv2_uli_cgi_ci= -1; +static int hf_gtpv2_sai_lac= -1; +static int hf_gtpv2_sai_sac= -1; +static int hf_gtpv2_rai_lac= -1; +static int hf_gtpv2_rai_rac= -1; +static int hf_gtpv2_tai_tac= -1; +static int hf_gtpv2_5gs_tai_tac = -1; +static int hf_gtpv2_ecgi_eci= -1; +static int hf_gtpv2_ncgi_nrci= -1; +static int hf_gtpv2_uli_lai_lac = -1; +static int hf_gtpv2_ecgi_eci_spare= -1; +static int hf_gtpv2_nsapi = -1; +static int hf_gtpv2_bearer_control_mode= -1; + +static int hf_gtpv2_bss_container_phx = -1; +static int hf_gtpv2_bss_con_sapi_flg = -1; +static int hf_gtpv2_bss_con_rp_flg = -1; +static int hf_gtpv2_bss_con_pfi_flg = -1; +static int hf_gtpv2_bss_con_pfi = -1; +static int hf_gtpv2_bss_con_rp = -1; +static int hf_gtpv2_bss_con_sapi = -1; +static int hf_gtpv2_bss_con_xid_len = -1; +static int hf_gtpv2_bss_con_xid = -1; +static int hf_gtpv2_home_enodeb_id = -1; +static int hf_gtpv2_tac = -1; + +/* MBMS */ +static int hf_gtpv2_mbms_service_area_nr = -1; +static int hf_gtpv2_mbms_service_area_id = -1; +static int hf_gtpv2_mbms_session_id = -1; +static int hf_gtpv2_mbms_flow_id = -1; +static int hf_gtpv2_cteid = -1; +static int hf_gtpv2_ip_addr_type = -1; +static int hf_gtpv2_ip_addr_len = -1; +static int hf_gtpv2_mbms_ip_mc_dist_addrv4 = -1; +static int hf_gtpv2_mbms_ip_mc_dist_addrv6 = -1; +static int hf_gtpv2_mbms_ip_mc_src_addrv4 = -1; +static int hf_gtpv2_mbms_ip_mc_src_addrv6 = -1; +static int hf_gtpv2_mbms_hc_indicator = -1; +static int hf_gtpv2_mbms_dist_indication = -1; +static int hf_gtpv2_subscriber_rfsp = -1; +static int hf_gtpv2_rfsp_inuse = -1; +static int hf_gtpv2_mbms_service_id = -1; +static int hf_gtpv2_add_flags_for_srvcc_ics = -1; +static int hf_gtpv2_vsrvcc_flag = -1; +static int hf_gtpv2_abs_time_mbms_data = -1; +static int hf_gtpv2_henb_info_report_fti = -1; +static int hf_gtpv2_ip4cp_subnet_prefix_len = -1; +static int hf_gtpv2_ip4cp_ipv4 = -1; +static int hf_gtpv2_change_report_flags_sncr = -1; +static int hf_gtpv2_change_report_flags_tzcr = -1; +static int hf_gtpv2_action_indication_val = -1; +static int hf_gtpv2_uli_timestamp = -1; +static int hf_gtpv2_mbms_session_duration_days = -1; +static int hf_gtpv2_mbms_session_duration_secs = -1; +static int hf_gtpv2_csg_id = -1; +static int hf_gtpv2_cmi = -1; +static int hf_gtpv2_service_indicator = -1; +static int hf_gtpv2_detach_type = -1; +static int hf_gtpv2_ldn = -1; +static int hf_gtpv2_node_features_prn = -1; +static int hf_gtpv2_node_features_mabr =-1; +static int hf_gtpv2_node_features_ntsr = -1; +static int hf_gtpv2_node_features_ciot = -1; +static int hf_gtpv2_time_to_data_xfer = -1; +static int hf_gtpv2_arp_pvi = -1; +static int hf_gtpv2_arp_pl = -1; +static int hf_gtpv2_arp_pci = -1; +static int hf_gtpv2_timer_unit = -1; +static int hf_gtpv2_throttling_delay_unit = -1; +static int hf_gtpv2_throttling_delay_value = -1; +static int hf_gtpv2_timer_value = -1; +static int hf_gtpv2_lapi = -1; + +static int hf_gtpv2_pres_rep_area_act_inapra = -1; +static int hf_gtpv2_pres_rep_area_action = -1; +static int hf_gtpv2_pres_rep_area_id = -1; +static int hf_gtpv2_pres_rep_area_act_no_tai = -1; +static int hf_gtpv2_pres_rep_area_act_no_rai = -1; +static int hf_gtpv2_pres_rep_area_act_no_m_enodeb = -1; +static int hf_gtpv2_pres_rep_area_act_no_h_enodeb = -1; +static int hf_gtpv2_pres_rep_area_act_no_ecgi = -1; +static int hf_gtpv2_pres_rep_area_act_no_sai = -1; +static int hf_gtpv2_pres_rep_area_act_no_cgi = -1; +static int hf_gtpv2_pres_rep_area_act_no_ext_m_enodeb = -1; +static int hf_gtpv2_ksi_ps = -1; +static int hf_gtpv2_ck_ps = -1; +static int hf_gtpv2_ik_ps = -1; +static int hf_gtpv2_kc_ps = -1; +static int hf_gtpv2_cksn_ps = -1; + +static int hf_gtpv2_pres_rep_area_info_id = -1; +static int hf_gtpv2_pres_rep_area_info_additional_id = -1; +static int hf_gtpv2_pres_rep_area_info_flags = -1; +static int hf_gtpv2_pres_rep_area_info_flags_no_inapra = -1; +static int hf_gtpv2_pres_rep_area_info_flags_b4_b7_spare = -1; +static int hf_gtpv2_pres_rep_area_info_flags_b3_b7_spare = -1; +static int hf_gtpv2_pres_rep_area_info_flags_b3_inapra = -1; +static int hf_gtpv2_pres_rep_area_info_flags_b2_apra = -1; +static int hf_gtpv2_pres_rep_area_info_flags_b1_opra = -1; +static int hf_gtpv2_pres_rep_area_info_flags_b0_ipra = -1; + +/* Generated from convert_proto_tree_add_text.pl */ +static int hf_gtpv2_downlink_subscribed_ue_ambr = -1; +static int hf_gtpv2_mm_context_sres = -1; +static int hf_gtpv2_iksrvcc = -1; +static int hf_gtpv2_nsapi08 = -1; +static int hf_gtpv2_voice_domain_and_ue_usage_setting = -1; +static int hf_gtpv2_ue_radio_capability_for_paging_information = -1; +static int hf_gtpv2_upd_source_port_number = -1; +static int hf_gtpv2_uplink_used_ue_ambr = -1; +static int hf_gtpv2_tmsi_bytes = -1; +static int hf_gtpv2_dl_gtp_u_sequence_number = -1; +static int hf_gtpv2_mm_context_nh = -1; +static int hf_gtpv2_teid_c_spare = -1; +static int hf_gtpv2_uplink_subscribed_ue_ambr = -1; +static int hf_gtpv2_transparent_container = -1; +static int hf_gtpv2_packet_flow_id = -1; +static int hf_gtpv2_utran_srvcc_ik_cs = -1; +static int hf_gtpv2_downlink_used_ue_ambr = -1; +static int hf_gtpv2_hop_counter = -1; +static int hf_gtpv2_ul_gtp_u_sequence_number = -1; +static int hf_gtpv2_authentication_quadruplets = -1; +static int hf_gtpv2_utran_srvcc_kc = -1; +static int hf_gtpv2_spare_bytes = -1; +static int hf_gtpv2_metric = -1; +static int hf_gtpv2_throttling_factor = -1; +static int hf_gtpv2_relative_capacity = -1; +static int hf_gtpv2_apn_length = -1; +static int hf_gtpv2_sequence_number = -1; +static int hf_gtpv2_receive_n_pdu_number = -1; +static int hf_gtpv2_trace_id = -1; +static int hf_gtpv2_drx_parameter = -1; +static int hf_gtpv2_charging_characteristic_remaining_octets = -1; +static int hf_gtpv2_mm_context_ncc = -1; +static int hf_gtpv2_proprietary_value = -1; +static int hf_gtpv2_mobile_station_classmark2 = -1; +static int hf_gtpv2_rrc_container = -1; +static int hf_gtpv2_send_n_pdu_number = -1; +static int hf_gtpv2_mobile_station_classmark3 = -1; +static int hf_gtpv2_eps_bearer_id_number = -1; +static int hf_gtpv2_geographic_location = -1; +static int hf_gtpv2_cn_id = -1; +static int hf_gtpv2_utran_srvcc_ck_cs = -1; +static int hf_gtpv2_authentication_quintuplets = -1; +static int hf_gtpv2_serving_gw_address_length = -1; +static int hf_gtpv2_supported_codec_list = -1; +static int hf_gtpv2_cksrvcc = -1; +static int hf_gtpv2_mm_context_kc = -1; +static int hf_gtpv2_dl_pdcp_sequence_number = -1; +static int hf_gtpv2_ul_pdcp_sequence_number = -1; +static int hf_gtpv2_fq_csid_node_id = -1; +static int hf_gtpv2_fq_csid_mcc_mnc = -1; +static int hf_gtpv2_ppi_value = -1; +static int hf_gtpv2_ppi_flag = -1; +static int hf_gtpv2_session = -1; +static int hf_gtpv2_twan_id_ts = -1; +static int hf_gtpv2_twan_flags = -1; +static int hf_gtpv2_twan_bssidi = -1; +static int hf_gtpv2_twan_civai = -1; +static int hf_gtpv2_twan_plmni = -1; +static int hf_gtpv2_twan_opnai = -1; +static int hf_gtpv2_twan_laii = -1; +static int hf_gtpv2_twan_ssid_len = -1; +static int hf_gtpv2_twan_ssid = -1; +static int hf_gtpv2_twan_bssid = -1; +static int hf_gtpv2_twan_civa_len = -1; +static int hf_gtpv2_twan_civa = -1; +static int hf_gtpv2_twan_plmnid = -1; +static int hf_gtpv2_twan_op_name_len = -1; +static int hf_gtpv2_twan_op_name = -1; +static int hf_gtpv2_twan_relay_id_type = -1; +static int hf_gtpv2_twan_relay_id_len = -1; +static int hf_gtpv2_twan_relay_id = -1; +static int hf_gtpv2_twan_relay_id_ipv4 = -1; +static int hf_gtpv2_twan_relay_id_ipv6 = -1; +static int hf_gtpv2_twan_circuit_id_len = -1; +static int hf_gtpv2_twan_circuit_id = -1; +static int hf_gtpv2_integer_number_val = -1; +static int hf_gtpv2_maximum_wait_time = -1; +static int hf_gtpv2_dl_buf_sug_pkt_cnt = -1; +static int hf_gtpv2_ue_usage_type = -1; +static int hf_gtpv2_rem_run_serv_gap_t = -1; +static int hf_gtpv2_ran_nas_protocol_type = -1; +static int hf_gtpv2_ran_nas_cause_type = -1; +static int hf_gtpv2_ran_nas_cause_value = -1; +static int hf_gtpv2_emm_cause = -1; +static int hf_gtpv2_esm_cause = -1; +static int hf_gtpv2_diameter_cause = -1; +static int hf_gtpv2_ikev2_cause = -1; + +static int hf_gtpv2_ciot_support_ind = -1; +static int hf_gtpv2_ciot_support_ind_spare_bits = -1; +static int hf_gtpv2_ciot_support_ind_bit4 = -1; +static int hf_gtpv2_ciot_support_ind_bit3 = -1; +static int hf_gtpv2_ciot_support_ind_bit2 = -1; +static int hf_gtpv2_ciot_support_ind_bit1 = -1; + +static int hf_gtpv2_length_of_node_name = -1; +static int hf_gtpv2_node_name = -1; +static int hf_gtpv2_length_of_node_realm = -1; +static int hf_gtpv2_node_realm = -1; +static int hf_gtpv2_ms_ts = -1; +static int hf_gtpv2_origination_ts = -1; +static int hf_gtpv2_mon_event_inf_nsur = -1; +static int hf_gtpv2_mon_event_inf_nsui = -1; +static int hf_gtpv2_mon_event_inf_nscf = -1; +static int hf_gtpv2_mon_event_inf_scef_reference_id = -1; +static int hf_gtpv2_mon_event_inf_scef_id_length = -1; +static int hf_gtpv2_mon_event_inf_scef_id = -1; +static int hf_gtpv2_mon_event_inf_remaining_number_of_reports = -1; +static int hf_gtpv2_mon_event_ext_inf_lrtp = -1; +static int hf_gtpv2_mon_event_ext_inf_scef_reference_id = -1; +static int hf_gtpv2_mon_event_ext_inf_scef_id_length = -1; +static int hf_gtpv2_mon_event_ext_inf_scef_id = -1; +static int hf_gtpv2_mon_event_ext_inf_remain_min_period_loc_report_type = -1; +static int hf_gtpv2_rohc_profiles_bit0 = -1; +static int hf_gtpv2_rohc_profiles_bit1 = -1; +static int hf_gtpv2_rohc_profiles_bit2 = -1; +static int hf_gtpv2_rohc_profiles_bit3 = -1; +static int hf_gtpv2_rohc_profiles_bit4 = -1; +static int hf_gtpv2_rohc_profiles_bit5 = -1; +static int hf_gtpv2_rohc_profiles_bit6 = -1; +static int hf_gtpv2_rohc_profiles_bit7 = -1; +static int hf_gtpv2_max_cid = -1; +static int hf_gtpv2_uplink_rate_limit = -1; +static int hf_gtpv2_downlink_rate_limit = -1; +static int hf_gtpv2_timestamp_value = -1; +static int hf_gtpv2_counter_value = -1; +static int hf_gtpv2_mapped_ue_usage_type = -1; +static int hf_gtpv2_uli_flags = -1; +static int hf_gtpv2_rohc_profile_flags = -1; +static int hf_gtpv2_dcnr = -1; + +static int hf_gtpv2_secondary_rat_usage_data_report = -1; +static int hf_gtpv2_secondary_rat_usage_data_report_spare_bits = -1; +static int hf_gtpv2_secondary_rat_usage_data_report_bit3 = -1; +static int hf_gtpv2_secondary_rat_usage_data_report_bit2 = -1; +static int hf_gtpv2_secondary_rat_usage_data_report_bit1 = -1; +static int hf_gtpv2_secondary_rat_usage_data_report_rat_type = -1; +static int hf_gtpv2_secondary_rat_usage_data_report_start_timestamp = -1; +static int hf_gtpv2_secondary_rat_usage_data_report_end_timestamp = -1; +static int hf_gtpv2_secondary_rat_usage_data_report_usage_data_dl = -1; +static int hf_gtpv2_secondary_rat_usage_data_report_usage_data_ul = -1; +static int hf_gtpv2_secondary_rat_usage_data_report_srudn_length = -1; +static int hf_gtpv2_secondary_rat_usage_data_report_srudn_value = -1; +static int hf_gtpv2_csg_info_rep_action_b0 = -1; +static int hf_gtpv2_csg_info_rep_action_b1 = -1; +static int hf_gtpv2_csg_info_rep_action_b2 = -1; +static int hf_gtpv2_gnodeb_id_len = -1; +static int hf_gtpv2_gnodeb_id = -1; +static int hf_gtpv2_macro_ng_enodeb_id = -1; +static int hf_gtpv2_5gs_tac = -1; +static int hf_gtpv2_en_gnb_id_len = -1; +static int hf_gtpv2_5tac; +static int hf_gtpv2_etac; +static int hf_gtpv2_en_gnb_id = -1; +static int hf_gtpv2_trig_event_len = -1; +static int hf_gtpv2_ne_list_len = -1; +static int hf_gtpv2_ses_trs_depth = -1; +static int hf_gtpv2_list_of_if_len = -1; +static int hf_gtpv2_trs_coll_ip_addr_len = -1; +static int hf_gtpv2_trs_coll_ipv4_addr =-1; +static int hf_gtpv2_trs_coll_ipv6_addr =-1; + +static int hf_gtpv2_ext_tra_info_loi_mscs_cap =-1; +static int hf_gtpv2_ext_tra_info_loi_mscs_map_f = -1; +static int hf_gtpv2_ext_tra_info_loi_mscs_map_e = -1; +static int hf_gtpv2_ext_tra_info_loi_mscs_map_b = -1; +static int hf_gtpv2_ext_tra_info_loi_mscs_map_g = -1; +static int hf_gtpv2_ext_tra_info_loi_mscs_mc = -1; +static int hf_gtpv2_ext_tra_info_loi_mscs_iu = -1; +static int hf_gtpv2_ext_tra_info_loi_mscs_a = -1; +static int hf_gtpv2_ext_tra_info_loi_mscs_map_c = -1; +static int hf_gtpv2_ext_tra_info_loi_mscs_map_d = -1; +static int hf_gtpv2_ext_tra_info_loi_mgw_iuup = -1; +static int hf_gtpv2_ext_tra_info_loi_mgw_nbup = -1; +static int hf_gtpv2_ext_tra_info_loi_mgw_mc = -1; +static int hf_gtpv2_ext_tra_info_loi_sgsn_ge = -1; +static int hf_gtpv2_ext_tra_info_loi_sgsn_gs = -1; +static int hf_gtpv2_ext_tra_info_loi_sgsn_map_gf = -1; +static int hf_gtpv2_ext_tra_info_loi_sgsn_map_gd = -1; +static int hf_gtpv2_ext_tra_info_loi_sgsn_map_gr = -1; +static int hf_gtpv2_ext_tra_info_loi_sgsn_gn = -1; +static int hf_gtpv2_ext_tra_info_loi_sgsn_iu = -1; +static int hf_gtpv2_ext_tra_info_loi_sgsn_gb = -1; +static int hf_gtpv2_ext_tra_info_loi_sgsn_s13 = -1; +static int hf_gtpv2_ext_tra_info_loi_sgsn_s3 = -1; +static int hf_gtpv2_ext_tra_info_loi_sgsn_s4 = -1; +static int hf_gtpv2_ext_tra_info_loi_sgsn_s6d = -1; +static int hf_gtpv2_ext_tra_info_loi_ggsn_gmb = -1; +static int hf_gtpv2_ext_tra_info_loi_ggsn_gi = -1; +static int hf_gtpv2_ext_tra_info_loi_ggsn_gn = -1; +static int hf_gtpv2_ext_tra_info_loi_rnc_uu = -1; +static int hf_gtpv2_ext_tra_info_loi_rnc_iub = -1; +static int hf_gtpv2_ext_tra_info_loi_rnc_iur = -1; +static int hf_gtpv2_ext_tra_info_loi_rnc_iu = -1; +static int hf_gtpv2_ext_tra_info_loi_bm_sc_gmb = -1; +static int hf_gtpv2_ext_tra_info_loi_mme_s13 = -1; +static int hf_gtpv2_ext_tra_info_loi_mme_s11 = -1; +static int hf_gtpv2_ext_tra_info_loi_mme_s10 = -1; +static int hf_gtpv2_ext_tra_info_loi_mme_s6a = -1; +static int hf_gtpv2_ext_tra_info_loi_mme_s3 = -1; +static int hf_gtpv2_ext_tra_info_loi_mme_s1_mme = -1; +static int hf_gtpv2_ext_tra_info_loi_sgw_gxc = -1; +static int hf_gtpv2_ext_tra_info_loi_sgw_s11 = -1; +static int hf_gtpv2_ext_tra_info_loi_sgw_s8b = -1; +static int hf_gtpv2_ext_tra_info_loi_sgw_s5 = -1; +static int hf_gtpv2_ext_tra_info_loi_sgw_s4 = -1; +static int hf_gtpv2_ext_tra_info_loi_pdn_gw_sgi = -1; +static int hf_gtpv2_ext_tra_info_loi_pdn_gw_s8b = -1; +static int hf_gtpv2_ext_tra_info_loi_pdn_gw_gx = -1; +static int hf_gtpv2_ext_tra_info_loi_pdn_gw_s6b = -1; +static int hf_gtpv2_ext_tra_info_loi_pdn_gw_s5 = -1; +static int hf_gtpv2_ext_tra_info_loi_pdn_gw_s2c = -1; +static int hf_gtpv2_ext_tra_info_loi_pdn_gw_s2b = -1; +static int hf_gtpv2_ext_tra_info_loi_pdn_gw_s2a = -1; +static int hf_gtpv2_ext_tra_info_loi_enb_uu = -1; +static int hf_gtpv2_ext_tra_info_loi_enb_x2 = -1; +static int hf_gtpv2_ext_tra_info_loi_enb_s1_mme = -1; +static int hf_gtpv2_ext_tra_info_loi_hss_sh = -1; +static int hf_gtpv2_ext_tra_info_loi_hss_s6a = -1; +static int hf_gtpv2_ext_tra_info_loi_hss_s6d = -1; +static int hf_gtpv2_ext_tra_info_loi_hss_cx = -1; +static int hf_gtpv2_ext_tra_info_loi_hss_map_gr = -1; +static int hf_gtpv2_ext_tra_info_loi_hss_map_gc = -1; +static int hf_gtpv2_ext_tra_info_loi_hss_map_d = -1; +static int hf_gtpv2_ext_tra_info_loi_hss_map_c = -1; +static int hf_gtpv2_ext_tra_info_loi_eir_map_gf = -1; +static int hf_gtpv2_ext_tra_info_loi_eir_s13p = -1; +static int hf_gtpv2_ext_tra_info_loi_eir_s13 = -1; +static int hf_gtpv2_ext_tra_info_loi_eir_map_f = -1; +static int hf_gtpv2_ext_tra_info_loi_amf_n20 = -1; +static int hf_gtpv2_ext_tra_info_loi_amf_n15 = -1; +static int hf_gtpv2_ext_tra_info_loi_amf_n14 = -1; +static int hf_gtpv2_ext_tra_info_loi_amf_n12 = -1; +static int hf_gtpv2_ext_tra_info_loi_amf_n11 = -1; +static int hf_gtpv2_ext_tra_info_loi_amf_n8 = -1; +static int hf_gtpv2_ext_tra_info_loi_amf_n2 = -1; +static int hf_gtpv2_ext_tra_info_loi_amf_n1 = -1; +static int hf_gtpv2_ext_tra_info_loi_amf_n22 = -1; +static int hf_gtpv2_ext_tra_info_loi_amf_n26 = -1; +static int hf_gtpv2_ext_tra_info_loi_pcf_n15 = -1; +static int hf_gtpv2_ext_tra_info_loi_pcf_n7 = -1; +static int hf_gtpv2_ext_tra_info_loi_pcf_n5 = -1; +static int hf_gtpv2_ext_tra_info_loi_smf_s5_c = -1; +static int hf_gtpv2_ext_tra_info_loi_smf_n11 = -1; +static int hf_gtpv2_ext_tra_info_loi_smf_n10 = -1; +static int hf_gtpv2_ext_tra_info_loi_smf_n7 = -1; +static int hf_gtpv2_ext_tra_info_loi_smf_n4 = -1; +static int hf_gtpv2_ext_tra_info_loi_upf_n4 = -1; +static int hf_gtpv2_ext_tra_info_loi_ng_ran_node_e1_c = -1; +static int hf_gtpv2_ext_tra_info_loi_ng_ran_node_f1_c = -1; +static int hf_gtpv2_ext_tra_info_loi_ng_ran_node_Uu = -1; +static int hf_gtpv2_ext_tra_info_loi_ng_ran_node_xn_c = -1; +static int hf_gtpv2_ext_tra_info_loi_ng_ran_node_ng_c = -1; + +static int hf_gtpv2_nr_dl_pkts_all = -1; +static int hf_gtpv2_nr_ul_pkts_all = -1; +static int hf_gtpv2_nr_add_exception_rpts = -1; +static int hf_apn_rte_cntrl_status_val_time = -1; +static int hf_gtpv2_max_pkt_loss_rte_ul_flg = -1; +static int hf_gtpv2_max_pkt_loss_rte_dl_flg = -1; +static int hf_gtpv2_max_pkt_loss_rte_ul = -1; +static int hf_gtpv2_max_pkt_loss_rte_dl = -1; + +static int hf_gtpv2_mm_context_iov_updates_counter = -1; +static int hf_gtpv2_mm_context_ear_len = -1; +static int hf_gtpv2_node_number_len = -1; +static int hf_gtpv2_additional_rrm_policy_index = -1; + +static gint ett_gtpv2 = -1; +static gint ett_gtpv2_flags = -1; +static gint ett_gtpv2_uli_flags = -1; +static gint ett_gtpv2_uli_field = -1; +static gint ett_gtpv2_bearer_ctx = -1; +static gint ett_gtpv2_PDN_conn = -1; +static gint ett_gtpv2_overload_control_information = -1; +static gint ett_gtpv2_mm_context_flag = -1; +static gint ett_gtpv2_pdn_numbers_nsapi = -1; +static gint ett_gtpv2_tra_info_trigg = -1; +static gint ett_gtpv2_tra_info_trigg_msc_server = -1; +static gint ett_gtpv2_tra_info_trigg_mgw = -1; +static gint ett_gtpv2_tra_info_trigg_sgsn = -1; +static gint ett_gtpv2_tra_info_trigg_ggsn = -1; +static gint ett_gtpv2_tra_info_trigg_bm_sc = -1; +static gint ett_gtpv2_tra_info_trigg_sgw_mme = -1; +static gint ett_gtpv2_tra_info_trigg_sgw = -1; +static gint ett_gtpv2_tra_info_trigg_pgw = -1; +static gint ett_gtpv2_tra_info_interfaces = -1; +static gint ett_gtpv2_tra_info_interfaces_imsc_server = -1; +static gint ett_gtpv2_tra_info_interfaces_lmgw = -1; +static gint ett_gtpv2_tra_info_interfaces_lsgsn = -1; +static gint ett_gtpv2_tra_info_interfaces_lggsn = -1; +static gint ett_gtpv2_tra_info_interfaces_lrnc = -1; +static gint ett_gtpv2_tra_info_interfaces_lbm_sc = -1; +static gint ett_gtpv2_tra_info_interfaces_lmme = -1; +static gint ett_gtpv2_tra_info_interfaces_lsgw = -1; +static gint ett_gtpv2_tra_info_interfaces_lpdn_gw = -1; +static gint ett_gtpv2_tra_info_interfaces_lpdn_lenb = -1; +static gint ett_gtpv2_tra_info_ne_types = -1; +static gint ett_gtpv2_rai = -1; +static gint ett_gtpv2_ms_mark = -1; +static gint ett_gtpv2_stn_sr = -1; +static gint ett_gtpv2_supp_codec_list = -1; +static gint ett_gtpv2_bss_con = -1; +static gint ett_gtpv2_utran_con = -1; +static gint ett_gtpv2_eutran_con = -1; +static gint ett_gtpv2_son_con = -1; +static gint ett_gtpv2_endc_son_con = -1; +static gint ett_gtpv2_intersys_son_con = -1; +static gint ett_gtpv2_mm_context_auth_qua = -1; +static gint ett_gtpv2_mm_context_auth_qui = -1; +static gint ett_gtpv2_mm_context_auth_tri = -1; +static gint ett_gtpv2_mm_context_net_cap = -1; +static gint ett_gtpv2_ms_network_capability = -1; +static gint ett_gtpv2_mm_context_sc = -1; +static gint ett_gtpv2_vd_pref = -1; +static gint ett_gtpv2_access_rest_data = -1; +static gint ett_gtpv2_qua = -1; +static gint ett_gtpv2_qui = -1; +static gint ett_gtpv2_preaa_tais = -1; +static gint ett_gtpv2_preaa_menbs = -1; +static gint ett_gtpv2_preaa_henbs = -1; +static gint ett_gtpv2_preaa_ecgis = -1; +static gint ett_gtpv2_preaa_rais = -1; +static gint ett_gtpv2_preaa_sais = -1; +static gint ett_gtpv2_preaa_cgis = -1; +static gint ett_gtpv2_load_control_inf = -1; +static gint ett_gtpv2_eci = -1; +static gint ett_gtpv2_twan_flags = -1; +static gint ett_gtpv2_ciot_support_ind = -1; +static gint ett_gtpv2_rohc_profile_flags = -1; +static gint ett_gtpv2_secondary_rat_usage_data_report = -1; +static gint ett_gtpv2_pres_rep_area_info = -1; +static gint ett_gtpv2_preaa_ext_menbs = -1; +static gint ett_gtpv2_ue_nr_sec_cap_len = -1; +static gint ett_gtpv2_apn_rte_ctrl_sts_len = -1; +static gint ett_gtpv2_if_mgcs = -1; +static gint ett_gtpv2_if_mgw = -1; +static gint ett_gtpv2_if_sgsn = -1; +static gint ett_gtpv2_if_ggsn = -1; +static gint ett_gtpv2_if_rnc = -1; +static gint ett_gtpv2_if_bm_sc = -1; +static gint ett_gtpv2_if_mme = -1; +static gint ett_gtpv2_if_sgw = -1; +static gint ett_gtpv2_if_pdn_gw = -1; +static gint ett_gtpv2_if_enb = -1; +static gint ett_gtpv2_if_hss = -1; +static gint ett_gtpv2_if_eir = -1; +static gint ett_gtpv2_if_amf = -1; +static gint ett_gtpv2_if_pcf = -1; +static gint ett_gtpv2_if_smf = -1; +static gint ett_gtpv2_if_upf = -1; +static gint ett_gtpv2_if_ng_ran_node = -1; + + +static expert_field ei_gtpv2_ie_data_not_dissected = EI_INIT; +static expert_field ei_gtpv2_ie_len_invalid = EI_INIT; +static expert_field ei_gtpv2_source_type_unknown = EI_INIT; +static expert_field ei_gtpv2_fq_csid_type_bad = EI_INIT; +static expert_field ei_gtpv2_mbms_session_duration_days = EI_INIT; +static expert_field ei_gtpv2_mbms_session_duration_secs = EI_INIT; +static expert_field ei_gtpv2_ie = EI_INIT; +static expert_field ei_gtpv2_int_size_not_handled = EI_INIT; +static expert_field ei_gtpv2_apn_too_long = EI_INIT; + +static int gtpv2_tap = -1; + +/* Definition of User Location Info (AVP 22) masks */ +#define GTPv2_ULI_CGI_MASK 0x01 +#define GTPv2_ULI_SAI_MASK 0x02 +#define GTPv2_ULI_RAI_MASK 0x04 +#define GTPv2_ULI_TAI_MASK 0x08 +#define GTPv2_ULI_ECGI_MASK 0x10 +#define GTPv2_ULI_LAI_MASK 0x20 +#define GTPv2_ULI_MACRO_eNB_ID_MASK 0x40 +#define GTPv2_ULI_EXT_MACRO_eNB_ID_MASK 0x80 + +#define GTPV2_PPI_VAL_MASK 0x3F + +#define GTPV2_SRVCC_PS_TO_CS_REQUEST 25 +#define GTPV2_SRVCC_PS_TO_CS_RESPONSE 26 +#define GTPV2_SRVCC_PS_TO_CS_COMPLETE_NOTIFICATION 27 +#define GTPV2_SRVCC_PS_TO_CS_COMPLETE_ACKNOWLEDGE 28 +#define GTPV2_SRVCC_PS_TO_CS_CANCEL_NOTIFICATION 29 +#define GTPV2_SRVCC_PS_TO_CS_CANCEL_ACKNOWLEDGE 30 +#define GTPV2_CREATE_SESSION_REQUEST 32 +#define GTPV2_CREATE_SESSION_RESPONSE 33 +#define GTPV2_MODIFY_BEARER_REQUEST 34 +#define GTPV2_MODIFY_BEARER_RESPONSE 35 +#define GTPV2_DELETE_SESSION_REQUEST 36 +#define GTPV2_DELETE_SESSION_RESPONSE 37 +#define GTPV2_MODIFY_BEARER_COMMAND 64 +#define GTPV2_MODIFY_BEARER_FAILURE_INDICATION 65 +#define GTPV2_DELETE_BEARER_COMMAND 66 +#define GTPV2_DELETE_BEARER_FAILURE_INDICATION 67 +#define GTPV2_BEARER_RESOURCE_COMMAND 68 +#define GTPV2_BEARER_RESOURCE_FAILURE_INDICATION 69 +#define GTPV2_CREATE_BEARER_REQUEST 95 +#define GTPV2_CREATE_BEARER_RESPONSE 96 +#define GTPV2_UPDATE_BEARER_REQUEST 97 +#define GTPV2_UPDATE_BEARER_RESPONSE 98 +#define GTPV2_DELETE_BEARER_REQUEST 99 +#define GTPV2_DELETE_BEARER_RESPONSE 100 +#define GTPV2_IDENTIFICATION_RESPONSE 129 +#define GTPV2_CONTEXT_REQUEST 130 +#define GTPV2_CONTEXT_RESPONSE 131 +#define GTPV2_FORWARD_RELOCATION_REQ 133 +#define GTPV2_FORWARD_RELOCATION_RESP 134 +#define GTPV2_FORWARD_RELOCATION_COMPLETE_NOTIFICATION 135 +#define GTPV2_FORWARD_RELOCATION_COMPLETE_ACKNOWLEDGE 136 +#define GTPV2_FORWARD_CTX_NOTIFICATION 137 +#define GTPV2_FORWARD_CTX_ACKNOWLEDGE 138 +#define GTPV2_RELOCATION_CANCEL_REQUEST 139 +#define GTPV2_RELOCATION_CANCEL_RESPONSE 140 +#define GTPV2_CONFIGURATION_TRANSFER_TUNNEL 141 +#define GTPV2_RAN_INFORMATION_RELAY 152 +#define GTPV2_DL_DATA_NOTIF_ACK 177 + +/* Table 6.1-1: Message types for GTPv2 */ +static const value_string gtpv2_message_type_vals[] = { + { 0, "Reserved"}, + { 1, "Echo Request"}, + { 2, "Echo Response"}, + { 3, "Version Not Supported Indication"}, + /* 4-24 Reserved for S101 interface TS 29.276 */ + { 4, "Node Alive Request"}, + { 5, "Node Alive Response"}, + { 6, "Redirection Request"}, + { 7, "Redirection Response"}, + /* 25-31 Reserved for Sv interface TS 29.280 */ +/*Start SRVCC Messages ETSI TS 129 280 V10.1.0 (2011-06) 5.2.1*/ + { 25, "SRVCC PS to CS Request"}, + { 26, "SRVCC PS to CS Response"}, + { 27, "SRVCC PS to CS Complete Notification"}, + { 28, "SRVCC PS to CS Complete Acknowledge"}, + { 29, "SRVCC PS to CS Cancel Notification"}, + { 30, "SRVCC PS to CS Cancel Acknowledge"}, + { 31, "SRVCC CS to PS Request"}, +/*End SRVCC Messages*/ + /* SGSN/MME to PGW (S4/S11, S5/S8) */ + { 32, "Create Session Request"}, + { 33, "Create Session Response"}, + { 34, "Modify Bearer Request"}, + { 35, "Modify Bearer Response"}, + { 36, "Delete Session Request"}, + { 37, "Delete Session Response"}, + /* SGSN/MME to PGW (S4/S11, S5/S8) */ + { 38, "Change Notification Request"}, + { 39, "Change Notification Response"}, + /* MME to PGW (S11, S5/S8) */ + { 40, "Remote UE Report Notification" }, + { 41, "Remote UE Report Acknowledge" }, + /* 42-63 For future use */ + /* Messages without explicit response */ + { 64, "Modify Bearer Command"}, /* (MME/SGSN to PGW -S11/S4, S5/S8) */ + { 65, "Modify Bearer Failure Indication"}, /*(PGW to MME/SGSN -S5/S8, S11/S4) */ + { 66, "Delete Bearer Command"}, /* (MME to PGW -S11, S5/S8) */ + { 67, "Delete Bearer Failure Indication"}, /* (PGW to MME -S5/S8, S11) */ + { 68, "Bearer Resource Command"}, /* (MME/SGSN to PGW -S11/S4, S5/S8) */ + { 69, "Bearer Resource Failure Indication"}, /* (PGW to MME/SGSN -S5/S8, S11/S4) */ + { 70, "Downlink Data Notification Failure Indication"}, /*(SGSN/MME to SGW -S4/S11) */ + { 71, "Trace Session Activation"}, + { 72, "Trace Session Deactivation"}, + { 73, "Stop Paging Indication"}, + /* 74-94 For future use */ + /* PGW to SGSN/MME/ TWAN/ePDG (S5/S8, S4/S11, S2a, S2b) */ + { 95, "Create Bearer Request"}, + { 96, "Create Bearer Response"}, + { 97, "Update Bearer Request"}, + { 98, "Update Bearer Response"}, + { 99, "Delete Bearer Request"}, + {100, "Delete Bearer Response"}, + /* PGW to MME, MME to PGW, SGW to PGW, SGW to MME (S5/S8, S11) */ + {101, "Delete PDN Connection Set Request"}, + {102, "Delete PDN Connection Set Response"}, + /* PGW to SGSN/MME(S5, S4/S11) */ + {103, "PGW Downlink Triggering Notification" }, + {104, "PGW Downlink Triggering Acknowledge" }, + /* 105-127 For future use */ + /* MME to MME, SGSN to MME, MME to SGSN, SGSN to SGSN (S3/10/S16) */ + {128, "Identification Request"}, + {129, "Identification Response"}, + {130, "Context Request"}, + {131, "Context Response"}, + {132, "Context Acknowledge"}, + {133, "Forward Relocation Request"}, + {134, "Forward Relocation Response"}, + {135, "Forward Relocation Complete Notification"}, + {136, "Forward Relocation Complete Acknowledge"}, + {137, "Forward Access Context Notification"}, + {138, "Forward Access Context Acknowledge"}, + {139, "Relocation Cancel Request"}, + {140, "Relocation Cancel Response"}, + {141, "Configuration Transfer Tunnel"}, + /* 142-148 For future use */ + /* SGSN to MME, MME to SGSN (S3)*/ + {149, "Detach Notification"}, + {150, "Detach Acknowledge"}, + {151, "CS Paging Indication"}, + {152, "RAN Information Relay"}, + {153, "Alert MME Notification"}, + {154, "Alert MME Acknowledge"}, + {155, "UE Activity Notification"}, + {156, "UE Activity Acknowledge" }, + {157, "ISR Status Indication" }, + {158, "UE Registration Query Request" }, + {159, "UE Registration Query Response" }, + /* MME to SGW (S11) */ + {160, "Create Forwarding Tunnel Request"}, + {161, "Create Forwarding Tunnel Response"}, + {162, "Suspend Notification"}, + {163, "Suspend Acknowledge"}, + {164, "Resume Notification"}, + {165, "Resume Acknowledge"}, + {166, "Create Indirect Data Forwarding Tunnel Request"}, + {167, "Create Indirect Data Forwarding Tunnel Response"}, + {168, "Delete Indirect Data Forwarding Tunnel Request"}, + {169, "Delete Indirect Data Forwarding Tunnel Response"}, + {170, "Release Access Bearers Request"}, + {171, "Release Access Bearers Response"}, + /* 172-175 For future use */ + /* SGW to SGSN/MME (S4/S11) */ + {176, "Downlink Data Notification"}, + {177, "Downlink Data Notification Acknowledgement"}, + {178, "Reserved. Allocated in earlier version of the specification."}, + {179, "PGW Restart Notification"}, + {180, "PGW Restart Notification Acknowledge"}, + /* 181-199 For future use */ + /* SGW to PGW, PGW to SGW (S5/S8) */ + {200, "Update PDN Connection Set Request"}, + {201, "Update PDN Connection Set Response"}, + /* 202 to 210 For future use */ + /* MME to SGW (S11) */ + {211, "Modify Access Bearers Request"}, + {212, "Modify Access Bearers Response"}, + /* 213 to 230 For future use */ + /* MBMS GW to MME/SGSN (Sm/Sn) */ + {231, "MBMS Session Start Request"}, + {232, "MBMS Session Start Response"}, + {233, "MBMS Session Update Request"}, + {234, "MBMS Session Update Response"}, + {235, "MBMS Session Stop Request"}, + {236, "MBMS Session Stop Response"}, + /* 237 to 239 For future use */ + /* Reserved for Sv interface (see also types 25 to 31) TS 29.280 */ + {240, "SRVCC CS to PS Response"}, /* 5.2.9 3GPP TS 29.280 V11.5.0 (2013-09) */ + {241, "SRVCC CS to PS Complete Notification"}, /* 5.2.10 3GPP TS 29.280 V11.5.0 (2013-09) */ + {242, "SRVCC CS to PS Complete Acknowledge"}, /* 5.2.11 3GPP TS 29.280 V11.5.0 (2013-09) */ + {243, "SRVCC CS to PS Cancel Notification"}, /* 5.2.12 3GPP TS 29.280 V11.5.0 (2013-09) */ + {244, "SRVCC CS to PS Cancel Acknowledge"}, /* 5.2.13 3GPP TS 29.280 V11.5.0 (2013-09) */ + /* 245 to 247 For future Sv interface use*/ + /* 248 to 255 For future use */ + {0, NULL} +}; +static value_string_ext gtpv2_message_type_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_message_type_vals); + +#define NUM_GTPV2_IES 256 +static gint ett_gtpv2_ies[NUM_GTPV2_IES]; + +#define GTPV2_IE_RESERVED 0 +#define GTPV2_IE_IMSI 1 +#define GTPV2_IE_CAUSE 2 +#define GTPV2_REC_REST_CNT 3 +/*Start SRVCC Messages*/ +#define GTPV2_IE_STN_SR 51 +#define GTPV2_IE_SRC_TGT_TRANS_CON 52 +#define GTPV2_IE_TGT_SRC_TRANS_CON 53 +#define GTPV2_IE_MM_CON_EUTRAN_SRVCC 54 +#define GTPV2_IE_MM_CON_UTRAN_SRVCC 55 +#define GTPV2_IE_SRVCC_CAUSE 56 +#define GTPV2_IE_TGT_RNC_ID 57 +#define GTPV2_IE_TGT_GLOGAL_CELL_ID 58 +#define GTPV2_IE_TEID_C 59 +#define GTPV2_IE_SV_FLAGS 60 +#define GTPV2_IE_SAI 61 +#define GTPV2_IE_MM_CTX_FOR_CS_TO_PS_SRVCC 62 +/* 61 - 70 for future sv interface use*/ +/*End SRVCC Messages*/ +#define GTPV2_APN 71 +#define GTPV2_AMBR 72 +#define GTPV2_EBI 73 +#define GTPV2_IP_ADDRESS 74 +#define GTPV2_MEI 75 +#define GTPV2_IE_MSISDN 76 +#define GTPV2_INDICATION 77 +#define GTPV2_PCO 78 +#define GTPV2_PAA 79 +#define GTPV2_BEARER_QOS 80 +#define GTPV2_IE_FLOW_QOS 81 +#define GTPV2_IE_RAT_TYPE 82 +#define GTPV2_IE_SERV_NET 83 +#define GTPV2_IE_BEARER_TFT 84 +#define GTPV2_IE_TAD 85 +#define GTPV2_IE_ULI 86 +#define GTPV2_IE_F_TEID 87 +#define GTPV2_IE_TMSI 88 +#define GTPV2_IE_GLOBAL_CNID 89 +#define GTPV2_IE_S103PDF 90 +#define GTPV2_IE_S1UDF 91 +#define GTPV2_IE_DEL_VAL 92 +#define GTPV2_IE_BEARER_CTX 93 +#define GTPV2_IE_CHAR_ID 94 +#define GTPV2_IE_CHAR_CHAR 95 +#define GTPV2_IE_TRA_INFO 96 +#define GTPV2_BEARER_FLAG 97 +/* define GTPV2_IE_PAGING_CAUSE 98 (void) */ +#define GTPV2_IE_PDN_TYPE 99 +#define GTPV2_IE_PTI 100 +#define GTPV2_IE_DRX_PARAM 101 +#define GTPV2_IE_UE_NET_CAPABILITY 102 +#define GTPV2_IE_MM_CONTEXT_GSM_T 103 +#define GTPV2_IE_MM_CONTEXT_UTMS_CQ 104 +#define GTPV2_IE_MM_CONTEXT_GSM_CQ 105 +#define GTPV2_IE_MM_CONTEXT_UTMS_Q 106 +#define GTPV2_IE_MM_CONTEXT_EPS_QQ 107 +#define GTPV2_IE_MM_CONTEXT_UTMS_QQ 108 +#define GTPV2_IE_PDN_CONNECTION 109 +#define GTPV2_IE_PDN_NUMBERS 110 +#define GTPV2_IE_P_TMSI 111 +#define GTPV2_IE_P_TMSI_SIG 112 +#define GTPV2_IE_HOP_COUNTER 113 +#define GTPV2_IE_UE_TIME_ZONE 114 +#define GTPV2_IE_TRACE_REFERENCE 115 +#define GTPV2_IE_COMPLETE_REQUEST_MSG 116 +#define GTPV2_IE_GUTI 117 +#define GTPV2_IE_F_CONTAINER 118 +#define GTPV2_IE_F_CAUSE 119 +#define GTPV2_IE_SEL_PLMN_ID 120 +#define GTPV2_IE_TARGET_ID 121 +/* GTPV2_IE_NSAPI 122 */ +#define GTPV2_IE_PKT_FLOW_ID 123 +#define GTPV2_IE_RAB_CONTEXT 124 +#define GTPV2_IE_S_RNC_PDCP_CTX_INFO 125 +#define GTPV2_IE_UDP_S_PORT_NR 126 +#define GTPV2_IE_APN_RESTRICTION 127 +#define GTPV2_IE_SEL_MODE 128 +#define GTPV2_IE_SOURCE_IDENT 129 +#define GTPV2_IE_BEARER_CONTROL_MODE 130 +#define GTPV2_IE_CNG_REP_ACT 131 +#define GTPV2_IE_FQ_CSID 132 +#define GTPV2_IE_CHANNEL_NEEDED 133 +#define GTPV2_IE_EMLPP_PRI 134 +#define GTPV2_IE_NODE_TYPE 135 +#define GTPV2_IE_FQDN 136 +#define GTPV2_IE_TI 137 +#define GTPV2_IE_MBMS_SESSION_DURATION 138 +#define GTPV2_IE_MBMS_SERVICE_AREA 139 +#define GTPV2_IE_MBMS_SESSION_ID 140 +#define GTPV2_IE_MBMS_FLOW_ID 141 +#define GTPV2_IE_MBMS_IP_MC_DIST 142 +#define GTPV2_IE_MBMS_DIST_ACK 143 +#define GTPV2_IE_RFSP_INDEX 144 +#define GTPV2_IE_UCI 145 +#define GTPV2_IE_CSG_INFO_REP_ACTION 146 +#define GTPV2_IE_CSG_ID 147 +#define GTPV2_IE_CMI 148 +#define GTPV2_IE_SERVICE_INDICATOR 149 +#define GTPV2_IE_DETACH_TYPE 150 +#define GTPV2_IE_LDN 151 +#define GTPV2_IE_NODE_FEATURES 152 +#define GTPV2_IE_MBMS_TIME_TO_DATA_XFER 153 +#define GTPV2_IE_THROTTLING 154 +#define GTPV2_IE_ARP 155 +#define GTPV2_IE_EPC_TIMER 156 +#define GTPV2_IE_SIG_PRIO_IND 157 +#define GTPV2_IE_TMGI 158 +#define GTPV2_IE_ADD_MM_CONT_FOR_SRVCC 159 +#define GTPV2_IE_ADD_FLAGS_FOR_SRVCC 160 +#define GTPV2_IE_MMBR 161 +#define GTPV2_IE_MDT_CONFIG 162 +#define GTPV2_IE_APCO 163 +#define GTPV2_IE_ABS_MBMS_DATA_TF_TIME 164 +#define GTPV2_IE_HENB_INFO_REPORT 165 +#define GTPV2_IE_IP4CP 166 +#define GTPV2_IE_CHANGE_TO_REPORT_FLAGS 167 +#define GTPV2_IE_ACTION_INDICATION 168 +#define GTPV2_IE_TWAN_IDENTIFIER 169 +#define GTPV2_IE_ULI_TIMESTAMP 170 +#define GTPV2_IE_MBMS_FLAGS 171 +#define GTPV2_IE_RAN_NAS_CAUSE 172 +#define GTPV2_IE_CN_OP_SEL_ENT 173 +#define GTPV2_IE_TRUST_WLAN_MODE_IND 174 +#define GTPV2_IE_NODE_NUMBER 175 +#define GTPV2_IE_NODE_IDENTIFIER 176 +#define GTPV2_IE_PRES_REP_AREA_ACT 177 +#define GTPV2_IE_PRES_REP_AREA_INF 178 +#define GTPV2_IE_TWAN_ID_TS 179 +#define GTPV2_IE_OVERLOAD_CONTROL_INF 180 +#define GTPV2_IE_LOAD_CONTROL_INF 181 +#define GTPV2_IE_METRIC 182 +#define GTPV2_IE_SEQ_NO 183 +#define GTPV2_IE_APN_AND_REL_CAP 184 +#define GTPV2_IE_WLAN_OFFLOADABILITY_IND 185 +#define GTPV2_IE_PAGING_AND_SERVICE_INF 186 +#define GTPV2_IE_INTEGER_NUMBER 187 +#define GTPV2_IE_MILLISECOND_TS 188 +#define GTPV2_IE_MON_EVENT_INF 189 +/* +190 ECGI List +191 Remote UE Context +192 Remote User ID +193 Remote UE IP information +*/ +#define GTPV2_IE_CIOT_OPT_SUPPORT_IND 194 +#define GTPV2_IE_SCEF_PDN_CONNECTION 195 +#define GTPV2_IE_HEADER_COMP_CONF 196 +#define GTPV2_IE_EXTENDED_PCO 197 +#define GTPV2_IE_SERV_PLMN_RATE_CONTROL 198 +#define GTPV2_IE_COUNTER 199 +#define GTPV2_IE_MAPPED_UE_USAGE_TYPE 200 +#define GTPV2_IE_SECONDARY_RAT_USAGE_DATA_REPORT 201 +#define GTPV2_IE_UP_FUNC_SEL_INDI_FLG 202 +#define GTPV2_IE_MAX_PKT_LOSS_RTE 203 +#define GTPV2_IE_APN_RTE_CNTRL_STATUS 204 +#define GTPV2_IE_EXT_TRS_INF 205 +#define GTPV2_IE_MON_EVENT_EXT_INF 206 +#define GTPV2_IE_ADDITIONAL_RRM_POLICY_INDEX 207 +#define GTPV2_IE_V2X_CONTEXT 208 +#define GTPV2_IE_PC5_QOS_PARAMETERS 209 +#define GTPV2_IE_SERVICES_AUTHORIZED 210 +#define GTPV2_IE_BIT_RATE 211 +#define GTPV2_IE_PC5_QOS_FLOW 212 +#define GTPV2_IE_SGI_PTP_TUNNEL_ADDRESS 213 +#define GTPV2_IE_PGW_CHANGE_INFO 214 +#define GTPV2_IE_PGW_SET_FQDN 215 +#define GTPV2_IE_GROUP_ID 216 +#define GTPV2_IE_PSCELL_ID 217 +#define GTPV2_IE_UP_SECURITY_POLICY 218 +#define GTPV2_IE_ALT_IMSI 219 +/* +220 to 253 Spare. For future use. +254 Special IE type for IE Type Extension +255 Private Extension +256 to 65535 Spare. For future use. + +*/ +/* 169 to 254 reserved for future use */ +#define GTPV2_IE_PRIVATE_EXT 255 + +#define SPARE 0X0 +#define CREATE_NEW_TFT 0X20 +#define DELETE_TFT 0X40 +#define ADD_PACKET_FILTERS_TFT 0X60 +#define REPLACE_PACKET_FILTERS_TFT 0X80 +#define DELETE_PACKET_FILTERS_TFT 0XA0 +#define NO_TFT_OPERATION 0XC0 +#define RESERVED 0XE0 + +/* SRVCC PS-to-CS Transparent Container Preference */ +#define PREF_DECODE_SRVCC_P2C_TRANS_CONT_NO 0 +#define PREF_DECODE_SRVCC_P2C_TRANS_CONT_TARGET_UTRAN 1 +static gint pref_decode_srvcc_p2c_trans_cont = PREF_DECODE_SRVCC_P2C_TRANS_CONT_NO; + +static guint pref_pair_matching_max_interval_ms = 0; /* Default: disable */ + +/* Table 8.1-1: Information Element types for GTPv2 */ +static const value_string gtpv2_element_type_vals[] = { + { 0, "Reserved"}, + { 1, "International Mobile Subscriber Identity (IMSI)"}, /* Variable Length / 8.3 */ + { 2, "Cause"}, /* Variable Length / 8.4 */ + { 3, "Recovery (Restart Counter)"}, /* Variable Length / 8.5 */ + /* 4-34 Reserved for S101 interface Extendable / See 3GPP TS 29.276 [14] */ + /* 35-50 / See 3GPP TS 29.276 */ +/*Start SRVCC Messages ETSI TS 129 280 V10.1.0 (2011-06) 6.1*/ + { 51, "STN-SR"}, /* Variable Length / 6.2 */ + { 52, "Source to Target Transparent Container"}, /* Variable Length / 6.3 */ + { 53, "Target to Source Transparent Container"}, /* Variable Length / 6.4 */ + { 54, "MM Context for E-UTRAN SRVCC"}, /* Variable Length / 6.5 */ + { 55, "MM Context for UTRAN SRVCC"}, /* Variable Length / 6.6 */ + { 56, "SRVCC Cause"}, /* Fixed Length / 6.7 */ + { 57, "Target RNC ID"}, /* Variable Length / 6.8 */ + { 58, "Target Global Cell ID"}, /* Variable Length / 6.9 */ + { 59, "TEID-C"}, /* Extendable / 6.10 */ + { 60, "Sv Flags" }, /* Extendable / 6.11 */ + { 61, "Service Area Identifier" }, /* Extendable / 6.12 */ + { 62, "MM Context for CS to PS SRVCC" }, /* Extendable / 6.13 */ + /* 63-70 For future Sv interface use */ +/*End SRVCC Messages*/ + { 71, "Access Point Name (APN)"}, /* Variable Length / 8.6 */ + { 72, "Aggregate Maximum Bit Rate (AMBR)"}, /* Fixed Length / 8.7 */ + { 73, "EPS Bearer ID (EBI)"}, /* Extendable / 8.8 */ + { 74, "IP Address"}, /* Extendable / 8.9 */ + { 75, "Mobile Equipment Identity (MEI)"}, /* Variable Length / 8.10 */ + { 76, "MSISDN"}, /* Variable Length / 8.11 */ + { 77, "Indication"}, /* Extendable / 8.12 */ + { 78, "Protocol Configuration Options (PCO)"}, /* Variable Length / 8.13 */ + { 79, "PDN Address Allocation (PAA)"}, /* Variable Length / 8.14 */ + { 80, "Bearer Level Quality of Service (Bearer QoS)"}, /* Variable Length / 8.15 */ + { 81, "Flow Quality of Service (Flow QoS)"}, /* Extendable / 8.16 */ + { 82, "RAT Type"}, /* Extendable / 8.17 */ + { 83, "Serving Network"}, /* Extendable / 8.18 */ + { 84, "EPS Bearer Level Traffic Flow Template (Bearer TFT)"}, /* Variable Length / 8.19 */ + { 85, "Traffic Aggregation Description (TAD)"}, /* Variable Length / 8.20 */ + { 86, "User Location Info (ULI)"}, /* Variable Length / 8.21 */ + { 87, "Fully Qualified Tunnel Endpoint Identifier (F-TEID)"}, /* Extendable / 8.22 */ + { 88, "TMSI"}, /* Variable Length / 8.23 */ + { 89, "Global CN-Id"}, /* Variable Length / 8.24 */ + { 90, "S103 PDN Data Forwarding Info (S103PDF)"}, /* Variable Length / 8.25 */ + { 91, "S1-U Data Forwarding Info (S1UDF)"}, /* Variable Length/ 8.26 */ + { 92, "Delay Value"}, /* Extendable / 8.27 */ + { 93, "Bearer Context"}, /* Extendable / 8.28 */ + { 94, "Charging ID"}, /* Extendable / 8.29 */ + { 95, "Charging Characteristics"}, /* Extendable / 8.30 */ + { 96, "Trace Information"}, /* Extendable / 8.31 */ + { 97, "Bearer Flags"}, /* Extendable / 8.32 */ + { 98, "Paging Cause"}, /* Variable Length / 8.33 */ + { 99, "PDN Type"}, /* Extendable / 8.34 */ + {100, "Procedure Transaction ID"}, /* Extendable / 8.35 */ + {101, "DRX Parameter"}, /* Variable Length/ 8.36 */ + {102, "UE Network Capability"}, /* Variable Length / 8.37 */ + {103, "MM Context (GSM Key and Triplets)"}, /* Variable Length / 8.38 */ + {104, "MM Context (UMTS Key, Used Cipher and Quintuplets)"}, /* Variable Length / 8.38 */ + {105, "MM Context (GSM Key, Used Cipher and Quintuplets)"}, /* Variable Length / 8.38 */ + {106, "MM Context (UMTS Key and Quintuplets)"}, /* Variable Length / 8.38 */ + {107, "MM Context (EPS Security Context, Quadruplets and Quintuplets)"}, /* Variable Length / 8.38 */ + {108, "MM Context (UMTS Key, Quadruplets and Quintuplets)"}, /* Variable Length / 8.38 */ + {109, "PDN Connection"}, /* Extendable / 8.39 */ + {110, "PDU Numbers"}, /* Extendable / 8.40 */ + {111, "P-TMSI"}, /* Variable Length / 8.41 */ + {112, "P-TMSI Signature"}, /* Variable Length / 8.42 */ + {113, "Hop Counter"}, /* Extendable / 8.43 */ + {114, "UE Time Zone"}, /* Variable Length / 8.44 */ + {115, "Trace Reference"}, /* Fixed Length / 8.45 */ + {116, "Complete Request Message"}, /* Variable Length / 8.46 */ + {117, "GUTI"}, /* Variable Length / 8.47 */ + {118, "F-Container"}, /* Variable Length / 8.48 */ + {119, "F-Cause"}, /* Variable Length / 8.49 */ + {120, "Selected PLMN ID"}, /* Variable Length / 8.50 */ + {121, "Target Identification"}, /* Variable Length / 8.51 */ + {122, "NSAPI"}, /* Extendable / 8.52 */ + {123, "Packet Flow ID"}, /* Variable Length / 8.53 */ + {124, "RAB Context"}, /* Fixed Length / 8.54 */ + {125, "Source RNC PDCP Context Info"}, /* Variable Length / 8.55 */ + {126, "UDP Source Port Number"}, /* Extendable / 8.56 */ + {127, "APN Restriction"}, /* Extendable / 8.57 */ + {128, "Selection Mode"}, /* Extendable / 8.58 */ + {129, "Source Identification"}, /* Variable Length / 8.50 */ + {130, "Bearer Control Mode"}, /* Extendable / 8.60 */ + {131, "Change Reporting Action"}, /* Variable Length / 8.61 */ + {132, "Fully Qualified PDN Connection Set Identifier (FQ-CSID)"}, /* Variable Length / 8.62 */ + {133, "Channel needed"}, /* Extendable / 8.63 */ + {134, "eMLPP Priority"}, /* Extendable / 8.64 */ + {135, "Node Type"}, /* Extendable / 8.65 */ + {136, "Fully Qualified Domain Name (FQDN)"}, /* Variable Length / 8.66 */ + {137, "Transaction Identifier (TI)"}, /* Variable Length / 8.68 */ + {138, "MBMS Session Duration"}, /* Duration Extendable / 8.69 */ + {139, "MBMS Service Area"}, /* Extendable / 8.70 */ + {140, "MBMS Session Identifier"}, /* Extendable / 8.71 */ + {141, "MBMS Flow Identifier"}, /* Extendable / 8.72 */ + {142, "MBMS IP Multicast Distribution"}, /* Extendable / 8.73 */ + {143, "MBMS Distribution Acknowledge"}, /* Extendable / 8.74 */ + {144, "RFSP Index"}, /* Fixed Length / 8.77 */ + {145, "User CSG Information (UCI)"}, /* Extendable / 8.75 */ + {146, "CSG Information Reporting Action"}, /* Extendable / 8.76 */ + {147, "CSG ID"}, /* Extendable / 8.78 */ + {148, "CSG Membership Indication (CMI)"}, /* Extendable / 8.79 */ + {149, "Service indicator"}, /* Fixed Length / 8.80 */ + {150, "Detach Type"}, /* Fixed Length / 8.81 */ + {151, "Local Distinguished Name (LDN)"}, /* Variable Length / 8.82 */ + {152, "Node Features"}, /* Extendable / 8.83 */ + {153, "MBMS Time to Data Transfer"}, /* Extendable / 8.84 */ + {154, "Throttling"}, /* Extendable / 8.85 */ + {155, "Allocation/Retention Priority (ARP)"}, /* Extendable / 8.86 */ + {156, "EPC Timer"}, /* Extendable / 8.87 */ + {157, "Signalling Priority Indication"}, /* Extendable / 8.88 */ + {158, "Temporary Mobile Group Identity"}, /* Extendable / 8.89 */ + {159, "Additional MM context for SRVCC"}, /* Extendable / 8.90 */ + {160, "Additional flags for SRVCC"}, /* Extendable / 8.91 */ + {161, "Max MBR/APN-AMBR (MMBR)"}, /* Extendable / 8.92 */ + {162, "MDT Configuration"}, /* Extendable / 8.93 */ + {163, "Additional Protocol Configuration Options (APCO)"}, /* Extendable / 8.94 */ + {164, "Absolute Time of MBMS Data Transfer"}, /* Extendable / 8.95 */ + {165, "H(e)NB Information Reporting"}, /* Extendable / 8.96*/ + {166, "IPv4 Configuration Parameters (IP4CP)"}, /* Extendable / 8.97*/ + {167, "Change to Report Flags"}, /* Extendable / 8.98 */ + {168, "Action Indication"}, /* Extendable / 8.99 */ + {169, "TWAN Identifier "}, /* Extendable / 8.100 */ + {170, "ULI Timestamp"}, /* Extendable / 8.101 */ + {171, "MBMS Flags"}, /* Extendable / 8.102 */ + {172, "RAN/NAS Cause"}, /* Extendable / 8.103 */ + {173, "CN Operator Selection Entity"}, /* Extendable / 8.104 */ + {174, "Trusted WLAN Mode Indication"}, /* Extendable / 8.105 */ + {175, "Node Number"}, /* Extendable / 8.106 */ + {176, "Node Identifier"}, /* Extendable / 8.107 */ + {177, "Presence Reporting Area Action"}, /* Extendable / 8.108 */ + {178, "Presence Reporting Area Information"}, /* Extendable / 8.109 */ + {179, "TWAN Identifier Timestamp"}, /* Extendable / 8.110 */ + {180, "Overload Control Information"}, /* Extendable / 8.111 */ + {181, "Load Control Information"}, /* Extendable / 8.112 */ + {182, "Metric"}, /* Fixed Length / 8.113 */ + {183, "Sequence Number"}, /* Fixed Length / 8.114 */ + {184, "APN and Relative Capacity"}, /* Extendable / 8.115 */ + {185, "WLAN Offloadability Indication"}, /* Extendable / 8.116 */ + {186, "Paging and Service Information"}, /* Extendable / 8.117 */ + {187, "Integer Number" }, /* Variable / 8.118 */ + {188, "Millisecond Time Stamp" }, /* Extendable / 8.119 */ + {189, "Monitoring Event Information"}, /* Extendable / 8.120 */ + {190, "ECGI List"}, /* Extendable / 8.121 */ + {191, "Remote UE Context"}, /* Extendable / 8.122 */ + {192, "Remote User ID"}, /* Extendable / 8.123 */ + {193, "Remote UE IP information"}, /* Variable Length / 8.124 */ + {194, "CIoT Optimizations Support Indication"}, /* Extendable / 8.125 */ + {195, "SCEF PDN Connection"}, /* Extendable / 8.126 */ + {196, "Header Compression Configuration"}, /* Extendable / 8.127 */ + {197, "Extended Protocol Configuration Options(ePCO)"}, /* Variable Length / 8.128 */ + {198, "Serving PLMN Rate Control"}, /* Extendable / 8.129 */ + {199, "Counter" }, /* Extendable / 8.130 */ + {200, "Mapped UE Usage Type" }, /* Extendable / 8.131 */ + {201, "Secondary RAT Usage Data Report" }, /* Extendable / 8.132 */ + {202, "UP Function Selection Indication Flags" }, /* Extendable / 8.133 */ + {203, "Maximum Packet Loss Rate" }, /* Extendable / 8.134 */ + {204, "APN Rate Control Status" }, /* Extendable / 8.135 */ + {205, "Extended Trace Information" }, /* Extendable / 8.136 */ + {206, "Monitoring Event Extension Information" }, /* Extendable / 8.137 */ + {207, "Additional RRM Policy Index" }, /* Fixed Length / 8.138 */ + {208, "V2X Context" }, /* Extendable / 8.139 */ + {209, "PC5 QoS Parameters" }, /* Extendable / 8.140 */ + {210, "Services Authorized" }, /* Extendable / 8.141 */ + {211, "Bit Rate" }, /* Extendable / 8.142 */ + {212, "PC5 QoS Flow" }, /* Extendable / 8.143 */ + {213, "SGi PtP Tunnel Address" }, /* Extendable / 8.144 */ + {214, "PGW Change Info" }, /* Extendable / 8.145 */ + {215, "PGW Set FQDN" }, /* Extendable / 8.146 */ + {216, "Group Id" }, /* Variable Length / 8.147 */ + {217, "PSCell ID" }, /* Fixed Length / 8.148*/ + {218, "UP Security Policy" }, /* Extendable / 8.149*/ + {219, "Alternative IMSI" }, /* Variable Length / 8.150 */ + /* 220 to 254 Spare. For future use. */ + {255, "Private Extension"}, /* Variable Length / 8.67 */ + {0, NULL} +}; +static value_string_ext gtpv2_element_type_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_element_type_vals); + +typedef struct _gtpv2_hdr { + guint8 flags; /* GTP header flags */ + guint8 message; /* Message type */ + guint16 length; /* Length of header */ + gint64 teid; /* Tunnel End-point ID */ +} gtpv2_hdr_t; + +/* Data structure attached to a conversation, +to keep track of request/response-pairs +*/ +typedef struct gtpv2_conv_info_t { + wmem_map_t *unmatched; + wmem_map_t *matched; +} gtpv2_conv_info_t; + +/*structure used to track responses to requests using sequence number*/ +typedef struct gtpv2_msg_hash_entry { + gboolean is_request; /*TRUE/FALSE*/ + guint32 req_frame; /*frame with request */ + nstime_t req_time; /*req time */ + guint32 rep_frame; /*frame with reply */ + gint seq_nr; /*sequence number*/ + guint msgtype; /*messagetype*/ +} gtpv2_msg_hash_t; + +static guint +gtpv2_sn_hash(gconstpointer k) +{ + const gtpv2_msg_hash_t *key = (const gtpv2_msg_hash_t *)k; + + return key->seq_nr; +} + +static gint +gtpv2_sn_equal_matched(gconstpointer k1, gconstpointer k2) +{ + const gtpv2_msg_hash_t *key1 = (const gtpv2_msg_hash_t *)k1; + const gtpv2_msg_hash_t *key2 = (const gtpv2_msg_hash_t *)k2; + double diff; + nstime_t delta; + + if (key1->req_frame && key2->req_frame && (key1->req_frame != key2->req_frame)) { + return 0; + } + + if (key1->rep_frame && key2->rep_frame && (key1->rep_frame != key2->rep_frame)) { + return 0; + } + + if (pref_pair_matching_max_interval_ms) { + nstime_delta(&delta, &key1->req_time, &key2->req_time); + diff = fabs(nstime_to_msec(&delta)); + + return key1->seq_nr == key2->seq_nr && diff < pref_pair_matching_max_interval_ms; + } + + return key1->seq_nr == key2->seq_nr; +} + +static gint +gtpv2_sn_equal_unmatched(gconstpointer k1, gconstpointer k2) +{ + const gtpv2_msg_hash_t *key1 = (const gtpv2_msg_hash_t *)k1; + const gtpv2_msg_hash_t *key2 = (const gtpv2_msg_hash_t *)k2; + double diff; + nstime_t delta; + + if (pref_pair_matching_max_interval_ms) { + nstime_delta(&delta, &key1->req_time, &key2->req_time); + diff = fabs(nstime_to_msec(&delta)); + + return key1->seq_nr == key2->seq_nr && diff < pref_pair_matching_max_interval_ms; + } + + return key1->seq_nr == key2->seq_nr; +} + +static wmem_map_t *gtpv2_stat_msg_idx_hash = NULL; + +static void +gtpv2_stat_init(struct register_srt* srt _U_, GArray*srt_array) +{ + gtpv2_stat_msg_idx_hash = wmem_map_new(wmem_file_scope(), g_direct_hash, g_direct_equal); + + init_srt_table("GTPv2 Requests", NULL, srt_array, 0, NULL, NULL, NULL); +} + +static tap_packet_status +gtpv2_stat_packet(void *pss, packet_info *pinfo, epan_dissect_t *edt _U_, const void *prv, tap_flags_t flags _U_) +{ + guint i = 0; + srt_stat_table *gtpv2_srt_table; + srt_data_t *srt_data = (srt_data_t*)pss; + const gtpv2_msg_hash_t *gcrp = (const gtpv2_msg_hash_t *)prv; + int idx = 0; + + /* We are only interested in matched reply packets. */ + if (gcrp->is_request) { + return TAP_PACKET_DONT_REDRAW; + } + if (!gcrp->req_frame) { + return TAP_PACKET_DONT_REDRAW; + } + + gtpv2_srt_table = g_array_index(srt_data->srt_array, srt_stat_table*, i); + + /* XXX: It would be nice if srt_table handled hashing so that the + * real procedure number could be displayed in the table without + * having to add empty rows for unused message types and responses + * (requests and responses have different message types, and we + * only use the request value.) + */ + idx = GPOINTER_TO_UINT(wmem_map_lookup(gtpv2_stat_msg_idx_hash, GUINT_TO_POINTER(gcrp->msgtype))); + + /* Store the row value incremented by 1 to distinguish 0 from NULL */ + if (idx == 0) { + idx = wmem_map_size(gtpv2_stat_msg_idx_hash); + wmem_map_insert(gtpv2_stat_msg_idx_hash, GUINT_TO_POINTER(gcrp->msgtype), GUINT_TO_POINTER(idx + 1)); + init_srt_table_row(gtpv2_srt_table, idx, val_to_str_ext(gcrp->msgtype, >pv2_message_type_vals_ext, "Unknown (%d)")); + } else { + idx -= 1; + } + + add_srt_table_data(gtpv2_srt_table, idx, &gcrp->req_time, pinfo); + + return TAP_PACKET_REDRAW; +} + +/* Make this a common function ???*/ +static void +value_in_tenth_of_percent_fmt(gchar* s, guint32 v) +{ + snprintf(s, ITEM_LABEL_LENGTH, "%.1f%% (%u)", (float)v / 10, v); +} + + +/* Code to dissect IE's */ + +static void +dissect_gtpv2_unknown(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* + * 8.3 International Mobile Subscriber Identity (IMSI) + * + * IMSI is defined in 3GPP TS 23.003 + * Editor's note: IMSI coding will be defined in 3GPP TS 24.301 + * Editor's note: In the first release of GTPv2 spec (TS 29.274v8.0.0) n = 8. + * That is, the overall length of the IE is 11 octets. + */ + +static void +dissect_gtpv2_imsi(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + const gchar *imsi_str; + + /* Fetch the BCD encoded digits from tvb low half byte, formating the digits according to + * a default digit set of 0-9 returning "?" for overdecadic digits a pointer to the wmem + * allocated string will be returned. + */ + imsi_str = dissect_e212_imsi(tvb, pinfo, tree, offset, length, FALSE); + proto_item_append_text(item, "%s", imsi_str); + +} + +/* + * 8.4 Cause + */ + +/* Table 8.4-1: Cause values */ +static const value_string gtpv2_cause_vals[] = { + {0, "Reserved"}, + /* Request / Initial message */ + { 1, "Reserved"}, + { 2, "Local Detach"}, + { 3, "Complete Detach"}, + { 4, "RAT changed from 3GPP to Non-3GPP"}, + { 5, "ISR deactivation"}, + { 6, "Error Indication received from RNC/eNodeB/S4-SGSN"}, + { 7, "IMSI Detach Only"}, + { 8, "Reactivation Requested"}, + { 9, "PDN reconnection to this APN disallowed"}, + { 10, "Access changed from Non-3GPP to 3GPP"}, + { 11, "PDN connection inactivity timer expires"}, + { 12, "PGW not responding"}, + { 13, "Network Failure"}, + { 14, "QoS parameter mismatch"}, + { 15, "EPS to 5GS Mobility"}, + /* Acceptance in a Response / triggered message */ + { 16, "Request accepted"}, + { 17, "Request accepted partially"}, + { 18, "New PDN type due to network preference"}, + { 19, "New PDN type due to single address bearer only"}, + /* 20-63 Spare. This value range shall be used by Cause values in an acceptance response/triggered message */ + { 20, "Spare"}, + { 21, "Spare"}, + { 22, "Spare"}, + { 23, "Spare"}, + { 24, "Spare"}, + { 25, "Spare"}, + { 26, "Spare"}, + { 27, "Spare"}, + { 28, "Spare"}, + { 29, "Spare"}, + { 30, "Spare"}, + { 31, "Spare"}, + { 32, "Spare"}, + { 33, "Spare"}, + { 34, "Spare"}, + { 35, "Spare"}, + { 36, "Spare"}, + { 37, "Spare"}, + { 38, "Spare"}, + { 39, "Spare"}, + { 40, "Spare"}, + { 41, "Spare"}, + { 42, "Spare"}, + { 43, "Spare"}, + { 44, "Spare"}, + { 45, "Spare"}, + { 46, "Spare"}, + { 47, "Spare"}, + { 48, "Spare"}, + { 49, "Spare"}, + { 50, "Spare"}, + { 51, "Spare"}, + { 52, "Spare"}, + { 53, "Spare"}, + { 54, "Spare"}, + { 55, "Spare"}, + { 56, "Spare"}, + { 57, "Spare"}, + { 58, "Spare"}, + { 59, "Spare"}, + { 60, "Spare"}, + { 61, "Spare"}, + { 62, "Spare"}, + { 63, "Spare"}, + /* Rejection in a Response / triggered message */ + { 64, "Context Not Found"}, + { 65, "Invalid Message Format"}, + { 66, "Version not supported by next peer"}, + { 67, "Invalid length"}, + { 68, "Service not supported"}, + { 69, "Mandatory IE incorrect"}, + { 70, "Mandatory IE missing"}, + { 71, "Shall not be used"}, + { 72, "System failure"}, + { 73, "No resources available"}, + { 74, "Semantic error in the TFT operation"}, + { 75, "Syntactic error in the TFT operation"}, + { 76, "Semantic errors in packet filter(s)"}, + { 77, "Syntactic errors in packet filter(s)"}, + { 78, "Missing or unknown APN"}, + { 79, "Shall not be used"}, + { 80, "GRE key not found"}, + { 81, "Relocation failure"}, + { 82, "Denied in RAT"}, + { 83, "Preferred PDN type not supported"}, + { 84, "All dynamic addresses are occupied"}, + { 85, "UE context without TFT already activated"}, + { 86, "Protocol type not supported"}, + { 87, "UE not responding"}, + { 88, "UE refuses"}, + { 89, "Service denied"}, + { 90, "Unable to page UE"}, + { 91, "No memory available"}, + { 92, "User authentication failed"}, + { 93, "APN access denied - no subscription"}, + { 94, "Request rejected(reason not specified)"}, + { 95, "P-TMSI Signature mismatch"}, + { 96, "IMSI/IMEI not known"}, + { 97, "Semantic error in the TAD operation"}, + { 98, "Syntactic error in the TAD operation"}, + { 99, "Shall not be used"}, + {100, "Remote peer not responding"}, + {101, "Collision with network initiated request"}, + {102, "Unable to page UE due to Suspension"}, + {103, "Conditional IE missing"}, + {104, "APN Restriction type Incompatible with currently active PDN connection"}, + {105, "Invalid overall length of the triggered response message and a piggybacked initial message"}, + {106, "Data forwarding not supported"}, + {107, "Invalid reply from remote peer"}, + {108, "Fallback to GTPv1"}, + {109, "Invalid peer"}, + {110, "Temporarily rejected due to handover/TAU/RAU procedure in progress"}, + {111, "Modifications not limited to S1-U bearers"}, + {112, "Request rejected for a PMIPv6 reason "}, + {113, "APN Congestion"}, + {114, "Bearer handling not supported"}, + {115, "UE already re-attached"}, + {116, "Multiple PDN connections for a given APN not allowed"}, + {117, "Target access restricted for the subscriber"}, + {118, "Shall not be used. See NOTE 2 and NOTE 3."}, + {119, "MME/SGSN refuses due to VPLMN Policy"}, + {120, "GTP-C Entity Congestion"}, + {121, "Late Overlapping Request"}, + {122, "Timed out Request"}, + {123, "UE is temporarily not reachable due to power saving"}, + {124, "Relocation failure due to NAS message redirection"}, + {125, "UE not authorised by OCS or external AAA Server"}, + {126, "Multiple accesses to a PDN connection not allowed"}, + {127, "Request rejected due to UE capability"}, + {128, "S1-U Path Failure" }, + {129, "5GC not allowed" }, + {130, "PGW mismatch with network slice subscribed by the UE" }, + {131, "Rejection due to paging restriction" }, + + /* 132-239 Spare. For future use in a triggered/response message */ + /* 240-255 Spare. For future use in an initial/request message */ + {0, NULL} +}; +value_string_ext gtpv2_cause_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_cause_vals); + +/* Table 8.4-1: CS (Cause Source) */ +static const true_false_string gtpv2_cause_cs = { + "Originated by remote node", + "Originated by node sending the message", +}; + +static void +dissect_gtpv2_cause(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args) +{ + int offset = 0; + guint8 tmp; + + /* Cause value octet 5 */ + tmp = tvb_get_guint8(tvb, offset); + if (g_gtp_session) { + args->last_cause = tmp; + } + proto_tree_add_item(tree, hf_gtpv2_cause, tvb, offset, 1, ENC_BIG_ENDIAN); + + /* Add Cause to ie_tree */ + proto_item_append_text(item, "%s (%u)", val_to_str_ext_const(tmp, >pv2_cause_vals_ext, "Unknown"), tmp); + offset += 1; + + /* Octet 6 Spare PCE BCE CS */ + static int* const oct6_flags[] = { + &hf_gtpv2_spare_b7_b3, + &hf_gtpv2_cause_pce, + &hf_gtpv2_cause_bce, + &hf_gtpv2_cause_cs, + NULL + }; + + proto_tree_add_bitmask_list(tree, tvb, offset, 1, oct6_flags, ENC_NA); + offset += 1; + + /* If n = 2, a = 0 and the Cause IE shall be 6 octets long. + * Therefore, octets "a(n+1) to a(n+4)" will not be present. + * If n = 6, a = 1 and the Cause IE will be 10 octets long. + */ + if ( length == 2 ) { + return; + } + /* + * If the rejection is due to a mandatory IE or a verifiable conditional IE is faulty + * or missing, the offending IE shall be included within an additional field "a(n+1) + * to a(n+4)". Only Type and Instance fields of the offending IE that caused the + * rejection have a meaning. The length in the Octet 8-9 and spare bits in the Octet 10 + * shall be set to "0". In this case, the value of "n" shall be "6". + * Otherwise, the value of "n" is equal to "2". + */ + + /* Type of the offending IE */ + proto_tree_add_item(tree, hf_gtpv2_cause_off_ie_t, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Length */ + proto_tree_add_item(tree, hf_gtpv2_ie_len, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + /* a(n+4) Spare Instance */ + proto_tree_add_bits_item(tree, hf_gtpv2_spare_half_octet, tvb, offset << 3, 4, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_instance, tvb, offset, 1, ENC_BIG_ENDIAN); + +} + +/* + * 8.5 Recovery (Restart Counter) + */ +static void +dissect_gtpv2_recovery(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 recovery; + + recovery = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_rec, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_item_append_text(item, "%u", recovery); + +} + + +/*Start SRVCC Messages*/ + +/* 6.2 STN-SR */ +static void +dissect_gtpv2_stn_sr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_item *stn_sr_item; + proto_tree *sub_tree; + tvbuff_t *new_tvb; + int offset = 0; + + stn_sr_item = proto_tree_add_item(tree, hf_gtpv2_stn_sr, tvb, offset, length, ENC_NA); + new_tvb = tvb_new_subset_length(tvb, offset, length); + sub_tree = proto_item_add_subtree(stn_sr_item, ett_gtpv2_stn_sr); + + /* Octet 5 + * contains the Nature of Address and Numbering Plan Indicator (NANPI) of the "AddressString" ASN.1 type (see 3GPP + * TS 29.002 [11]). Octets 6 to (n+4) contain the actual STN-SR (digits of an address encoded as a TBCD-STRING as in + * the "AddressString" ASN.1 type). For an odd number of STN-SR digits, bits 8 to 5 of the last octet are encoded with the + * filler "1111". + */ + dissect_gsm_map_msisdn(new_tvb, pinfo, sub_tree); +} + +/* 6.3 Source to Target Transparent Container */ + +static void +dissect_gtpv2_src_tgt_trans_con(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_len_trans_con, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /*ra_type_flag = 0;*/ + + /* Transparent Container + * When target network is GERAN, this container carries the Old BSS to New BSS + * Information IE defined in 3GPP TS 48.008 [8]. When target network is UTRAN, this container carries the Source RNC + * to Target RNC Transparent Container IE defined in 3GPP TS 25.413 [9]. The Transparent container field includes the + * IE value part as it is specified in the respective specification. + */ + proto_tree_add_item(tree, hf_gtpv2_transparent_container, tvb, offset, length-1, ENC_NA); + /* + * bssmap_old_bss_to_new_bss_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo); + * dissect_ranap_SourceRNC_ToTargetRNC_TransparentContainer_PDU + */ + if ((message_type == GTPV2_SRVCC_PS_TO_CS_REQUEST) && (pref_decode_srvcc_p2c_trans_cont == PREF_DECODE_SRVCC_P2C_TRANS_CONT_TARGET_UTRAN)) { + tvbuff_t *new_tvb; + proto_tree *sub_tree; + + sub_tree = proto_tree_add_subtree(tree, tvb, offset, length-1, ett_gtpv2_utran_con, NULL, "Source RNC to Target RNC Transparent Container"); + new_tvb = tvb_new_subset_remaining(tvb, offset); + dissect_ranap_SourceRNC_ToTargetRNC_TransparentContainer_PDU(new_tvb, pinfo, sub_tree, NULL); + } + +} + +/* 6.4 Target to Source Transparent Container */ +static void +dissect_gtpv2_tgt_src_trans_con(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_len_trans_con, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Transparent Container */ + proto_tree_add_item(tree, hf_gtpv2_transparent_container, tvb, offset, length-1, ENC_NA); + + /* It's too hard to figure out the content... + 6.4 Target to Source Transparent Container + + The Target to Source Transparent Container contains information that shall be transferred transparently by CN entities + from the target RAN to the source RAN. + + When the target network is GERAN, the Transparent container field contains the value part of the Layer 3 Information + IE defined in 3GPP TS 48.008 [8], i.e., octets 3 to n, excluding octet 1 (Element ID) and octet 2 (Length). + + When the target network is UTRAN, this container carries the Target RNC to Source RNC Transparent Container IE + defined in 3GPP TS 25.413 [9]. The Transparent container field contains a transparent copy of the corresponding + ASN.1/PER IE (see subclauses 8.2.2 and 8.48 in 3GPP TS 29.274 [3]). + + When the target network is E-UTRAN, the container carries the Target eNB To Source eNB Transparent Container IE + defined in 3GPP TS 36.413 [14]. The Transparent container field contains a transparent copy of the corresponding + ASN.1/PER IE (see subclauses 8.2.2 and 8.48 in 3GPP TS 29.274 [3]). + + The receiver of this Information Element shall ignore the length of the transparent container encoded in octet 5 and shall + derive the actual length of the container from the length encoded in octets 2 to 3 minus 1. + + For backward compatibility, the sender of this Information Element shall set the octet 5 to the actual length of the + transparent container if the size of the container is smaller or equal to 255 octets, and to the value "255" otherwise. + + */ + if ((message_type == GTPV2_SRVCC_PS_TO_CS_RESPONSE) && (pref_decode_srvcc_p2c_trans_cont == PREF_DECODE_SRVCC_P2C_TRANS_CONT_TARGET_UTRAN)) { + tvbuff_t *new_tvb; + proto_tree *sub_tree; + + sub_tree = proto_tree_add_subtree(tree, tvb, offset, length-1, ett_gtpv2_utran_con, NULL, "Target RNC to Source RNC Transparent Container"); + new_tvb = tvb_new_subset_remaining(tvb, offset); + dissect_ranap_TargetRNC_ToSourceRNC_TransparentContainer_PDU(new_tvb, pinfo, sub_tree, NULL); + } + +} + +/* 6.5 MM Context for E-UTRAN SRVCC */ +static void +dissect_gtpv2_mm_con_eutran_srvcc(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 elm_len; + proto_tree *ms_tree, *fi; + + proto_tree_add_item(tree, hf_gtpv2_eksi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(tree, hf_gtpv2_cksrvcc, tvb, offset, 16, ENC_NA); + offset += 16; + proto_tree_add_item(tree, hf_gtpv2_iksrvcc, tvb, offset, 16, ENC_NA); + offset += 16; + + /* For each of the Mobile Station Classmark 2, Mobile Station Classmark 3 and Supported Codec List parameters, if they are not available, + then the associated length field shall be set to zero, and the particular parameter field shall not be present. + */ + /* Length of Mobile Station Classmark2 */ + elm_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_len_ms_classmark2, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + if (elm_len) { + fi = proto_tree_add_item(tree, hf_gtpv2_mobile_station_classmark2, tvb, offset, elm_len, ENC_NA); + ms_tree = proto_item_add_subtree(fi, ett_gtpv2_ms_mark); + de_ms_cm_2(tvb, ms_tree, pinfo, offset, elm_len, NULL, 0); + offset += elm_len; + } + + /* Length of Mobile Station Classmark3 */ + elm_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_len_ms_classmark3, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + if (elm_len) { + fi = proto_tree_add_item(tree, hf_gtpv2_mobile_station_classmark3, tvb, offset, elm_len, ENC_NA); + ms_tree = proto_item_add_subtree(fi, ett_gtpv2_ms_mark); + de_ms_cm_3(tvb, ms_tree, pinfo, offset, elm_len, NULL, 0); + offset += elm_len; + } + + /*Length of Supported Codec List */ + elm_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_len_supp_codec_list, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + if (elm_len) { + fi = proto_tree_add_item(tree, hf_gtpv2_supported_codec_list, tvb, offset, elm_len, ENC_NA); + ms_tree = proto_item_add_subtree(fi, ett_gtpv2_supp_codec_list); + de_sup_codec_list(tvb, ms_tree, pinfo, offset, elm_len, NULL, 0); + } +} + +/* 6.6 MM Context for UTRAN SRVCC */ +static void +dissect_gtpv2_mm_con_utran_srvcc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 elm_len; + proto_tree *ms_tree, *fi; + + proto_tree_add_item(tree, hf_gtpv2_ksi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(tree, hf_gtpv2_utran_srvcc_ck_cs, tvb, offset, 16, ENC_NA); + offset += 16; + proto_tree_add_item(tree, hf_gtpv2_utran_srvcc_ik_cs, tvb, offset, 16, ENC_NA); + offset += 16; + proto_tree_add_item(tree, hf_gtpv2_utran_srvcc_kc, tvb, offset, 8, ENC_NA); + offset += 8; + proto_tree_add_item(tree, hf_gtpv2_cksn, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* For each of the Mobile Station Classmark 2, Mobile Station Classmark 3 and Supported Codec List parameters, if they are not available, + then the associated length field shall be set to zero, and the particular parameter field shall not be present. + */ + + /*Length of Mobile Station Classmark2 */ + elm_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_len_ms_classmark2, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + if (elm_len) { + fi = proto_tree_add_item(tree, hf_gtpv2_mobile_station_classmark2, tvb, offset, elm_len, ENC_NA); + ms_tree = proto_item_add_subtree(fi, ett_gtpv2_ms_mark); + de_ms_cm_2(tvb, ms_tree, pinfo, offset, elm_len, NULL, 0); + offset += elm_len; + } + + /*Length of Mobile Station Classmark3 */ + elm_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_len_ms_classmark3, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + if (elm_len) { + fi = proto_tree_add_item(tree, hf_gtpv2_mobile_station_classmark3, tvb, offset, elm_len, ENC_NA); + ms_tree = proto_item_add_subtree(fi, ett_gtpv2_ms_mark); + de_ms_cm_3(tvb, ms_tree, pinfo, offset, elm_len, NULL, 0); + offset += elm_len; + } + + /*Length of Supported Codec List */ + elm_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_len_supp_codec_list, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + if (elm_len) { + fi = proto_tree_add_item(tree, hf_gtpv2_supported_codec_list, tvb, offset, elm_len, ENC_NA); + ms_tree = proto_item_add_subtree(fi, ett_gtpv2_supp_codec_list); + de_sup_codec_list(tvb, ms_tree, pinfo, offset, elm_len, NULL, 0); + } + +} + +/* 6.7 SRVCC Cause */ +static const value_string gtpv2_srvcc_cause_vals[] = { + {0, "Reserved"}, + {1, "Unspecified"}, + {2, "Handover/Relocation cancelled by source system "}, + {3, "Handover /Relocation Failure with Target system"}, + {4, "Handover/Relocation Target not allowed"}, + {5, "Unknown Target ID"}, + {6, "Target Cell not available"}, + {7, "No Radio Resources Available in Target Cell"}, + {8, "Failure in Radio Interface Procedure"}, + {9, "Permanent session leg establishment error"}, + {10, "Temporary session leg establishment error"}, + + {0, NULL} +}; +static value_string_ext gtpv2_srvcc_cause_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_srvcc_cause_vals); + +static void +dissect_gtpv2_srvcc_cause(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 srvcc_cause; + + srvcc_cause = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_srvcc_cause, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_item_append_text(item, "%s (%u)", val_to_str_ext_const(srvcc_cause, >pv2_srvcc_cause_vals_ext, "Unknown"), srvcc_cause); + +} + +/* + * 3GPP TS 29.280 version 10.3.0 + * 6.8 Target RNC ID + */ +static void +dissect_gtpv2_tgt_rnc_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint16 rnc_id; + proto_tree *subtree; + guint32 mcc; + guint32 mnc; + guint32 lac; + guint32 curr_offset; + + /*ra_type_flag = 1;*/ /*Flag to be set to differentiate GERAN and UTRAN*/ + curr_offset = offset; + + mcc = (tvb_get_guint8(tvb, curr_offset) & 0x0f) << 8; + mcc |= (tvb_get_guint8(tvb, curr_offset) & 0xf0); + mcc |= (tvb_get_guint8(tvb, curr_offset+1) & 0x0f); + mnc = (tvb_get_guint8(tvb, curr_offset+2) & 0x0f) << 8; + mnc |= (tvb_get_guint8(tvb, curr_offset+2) & 0xf0); + mnc |= (tvb_get_guint8(tvb, curr_offset+1) & 0xf0) >> 4; + if ((mnc & 0x000f) == 0x000f) + mnc = mnc >> 4; + + lac = tvb_get_ntohs(tvb, curr_offset + 3); + rnc_id = tvb_get_ntohs(tvb, curr_offset + 5); + + subtree = proto_tree_add_subtree_format(tree, + tvb, curr_offset, 6, ett_gtpv2_rai, NULL, + "Routing area identification: %x-%x-%u-%u", + mcc, mnc, lac, rnc_id); + + dissect_e212_mcc_mnc(tvb, pinfo, subtree, offset, E212_RAI, TRUE); + curr_offset+=3; + + proto_tree_add_item(subtree, hf_gtpv2_lac, tvb, curr_offset, 2, ENC_BIG_ENDIAN); + curr_offset+=2; + proto_tree_add_item(subtree, hf_gtpv2_rnc_id, tvb, curr_offset, 2, ENC_BIG_ENDIAN); + /*curr_offset+=2;*/ + + /* no length check possible */ + + +} + +/* + * 3GPP TS 29.280 + * 6.9 Target Global Cell ID + * The encoding of this IE is defined in 3GPP TS 29.002 + * GlobalCellId ::= OCTET STRING (SIZE (5..7)) + * -- Refers to Cell Global Identification defined in TS 3GPP TS 23.003 [17]. + * -- The internal structure is defined as follows: + * -- octet 1 bits 4321 Mobile Country Code 1st digit + * -- bits 8765 Mobile Country Code 2nd digit + * -- octet 2 bits 4321 Mobile Country Code 3rd digit + * -- bits 8765 Mobile Network Code 3rd digit + * -- or filler (1111) for 2 digit MNCs + * -- octet 3 bits 4321 Mobile Network Code 1st digit + * -- bits 8765 Mobile Network Code 2nd digit + * -- octets 4 and 5 Location Area Code according to TS 3GPP TS 24.008 [35] + * -- octets 6 and 7 Cell Identity (CI) according to TS 3GPP TS 24.008 [35] + */ +static void +dissect_gtpv2_tgt_global_cell_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 tgt_cell_id; + proto_tree *subtree; + guint32 mcc; + guint32 mnc; + guint32 lac; + guint32 curr_offset; + + curr_offset = offset; + + mcc = (tvb_get_guint8(tvb, curr_offset) & 0x0f) << 8; + mcc |= (tvb_get_guint8(tvb, curr_offset) & 0xf0); + mcc |= (tvb_get_guint8(tvb, curr_offset+1) & 0x0f); + mnc = (tvb_get_guint8(tvb, curr_offset+2) & 0x0f) << 8; + mnc |= (tvb_get_guint8(tvb, curr_offset+2) & 0xf0); + mnc |= (tvb_get_guint8(tvb, curr_offset+1) & 0xf0) >> 4; + if ((mnc & 0x000f) == 0x000f) + mnc = mnc >> 4; + + lac = tvb_get_ntohs(tvb, curr_offset + 3); + tgt_cell_id = tvb_get_guint8(tvb, curr_offset + 5); + + subtree = proto_tree_add_subtree_format(tree, + tvb, curr_offset, 6, ett_gtpv2_rai, NULL, + "Routing area identification: %x-%x-%u-%u", + mcc, mnc, lac, tgt_cell_id); + + dissect_e212_mcc_mnc(tvb, pinfo, subtree, offset, E212_RAI, TRUE); + + proto_tree_add_item(subtree, hf_gtpv2_lac, tvb, curr_offset + 3, 2, ENC_BIG_ENDIAN); + proto_tree_add_item(subtree, hf_gtpv2_tgt_g_cell_id, tvb, curr_offset + 5, 2, ENC_BIG_ENDIAN); + + proto_item_append_text(item, "%x-%x-%u-%u", mcc, mnc, lac, tgt_cell_id); + /* no length check possible */ + +} + +/* 6.10 Tunnel Endpoint Identifier for Control Plane (TEID-C) */ +static void +dissect_gtpv2_teid_c(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_teid_c, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + if (length > 4) + proto_tree_add_item(tree, hf_gtpv2_teid_c_spare, tvb, offset, length-4, ENC_NA); + + proto_item_append_text(item, "%u", tvb_get_ntohl(tvb, offset-4)); +} + +/* 6.11 Sv Flags */ +static void +dissect_gtpv2_sv_flags(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + proto_tree_add_item(tree, hf_gtpv2_sv_sti, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_sv_ics, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_sv_emind, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + if (length > 1) + proto_tree_add_item(tree, hf_gtpv2_teid_c_spare, tvb, offset, length-1, ENC_NA); +} + +/* 6.12 Service Area Identifier */ + +static void +dissect_gtpv2_sai(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + /* 5 MCC digit 2 MCC digit 1 + * 6 MNC digit 3 MCC digit 3 + * 7 MNC digit 2 MNC digit 1 + */ + dissect_e212_mcc_mnc(tvb, pinfo, tree, offset, E212_SAI, TRUE); + offset += 3; + + /* The Location Area Code (LAC) consists of 2 octets. Bit 8 of Octet 8 is the most significant bit and bit 1 of Octet 9 the + * least significant bit. The coding of the location area code is the responsibility of each administration. Coding using full + * hexadecimal representation shall be used. + */ + proto_tree_add_item(tree, hf_gtpv2_lac, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + /* The Service Area Code (SAC) consists of 2 octets. Bit 8 of Octet 10 is the most significant bit and bit 1 of Octet 11 the + * least significant bit. The SAC is defined by the operator. See 3GPP TS 23.003 [4] subclause 12.5 for more information + */ + proto_tree_add_item(tree, hf_gtpv2_sac, tvb, offset, 2, ENC_BIG_ENDIAN); +} + +/* 6.13 MM Context for CS to PS SRVCC */ +static void +dissect_gtpv2_mm_ctx_for_cs_to_ps_srvcc(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + /* Octet 5 KSI"PS */ + proto_tree_add_item(tree, hf_gtpv2_ksi_ps, tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + + /* octet 6 - 21 CK'PS */ + proto_tree_add_item(tree, hf_gtpv2_ck_ps, tvb, offset, 16, ENC_NA); + offset+=16; + + /* octet 22 - 37 IK'PS */ + proto_tree_add_item(tree, hf_gtpv2_ik_ps, tvb, offset, 16, ENC_NA); + offset += 16; + + /* octet 38 to 45 kc'PS */ + proto_tree_add_item(tree, hf_gtpv2_kc_ps, tvb, offset, 8, ENC_NA); + offset += 8; + + /* Octet 46 CKSN"PS */ + proto_tree_add_item(tree, hf_gtpv2_cksn_ps, tvb, offset, 1, ENC_BIG_ENDIAN); + /*offset++;*/ + +} +/*End SRVCC Messages*/ + + +/* + * 8.6 Access Point Name (APN) + * The encoding the APN field follows 3GPP TS 23.003 [2] subclause 9.1. + * The content of the APN field shall be the full APN with both the APN Network Identifier + * and APN Operator Identifier being present as specified in 3GPP TS 23.003 [2] + * subclauses 9.1.1 and 9.1.2, 3GPP TS 23.060 [35] Annex A and 3GPP TS 23.401 [3] subclauses 4.3.8.1. + */ +static void +dissect_gtpv2_apn(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + const guint8 *apn = NULL; + + proto_tree_add_item_ret_string(tree, hf_gtpv2_apn, tvb, 0, length, ENC_APN_STR | ENC_NA, pinfo->pool, &apn); + if (apn) { + proto_item_append_text(item, "%s", apn); + } + +} + +/* + * 8.7 Aggregate Maximum Bit Rate (AMBR) + */ + +static void +dissect_gtpv2_ambr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_ambr_up, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(tree, hf_gtpv2_ambr_down, tvb, offset, 4, ENC_BIG_ENDIAN); +} + +/* + * 8.8 EPS Bearer ID (EBI) + */ +static void +dissect_gtpv2_ebi(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + + int offset = 0; + guint8 ebi; + + /* Spare (all bits set to 0) B8 - B5*/ + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset, 4, ENC_BIG_ENDIAN); + /* EPS Bearer ID (EBI) B4 - B1 */ + ebi = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_ebi, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_item_append_text(item, "%u", ebi); + +} +/* + * 8.9 IP Address + */ +static void +dissect_gtpv2_ip_address(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + if (length == 4) + { + proto_tree_add_item(tree, hf_gtpv2_ip_address_ipv4, tvb, offset, length, ENC_BIG_ENDIAN); + proto_item_append_text(item, "IPv4 %s", tvb_ip_to_str(pinfo->pool, tvb, offset)); + } + else if (length == 16) + { + proto_tree_add_item(tree, hf_gtpv2_ip_address_ipv6, tvb, offset, length, ENC_NA); + proto_item_append_text(item, "IPv6 %s", tvb_ip6_to_str(pinfo->pool, tvb, offset)); + } +} +/* + * 8.10 Mobile Equipment Identity (MEI) + * The ME Identity field contains either the IMEI or the IMEISV + * as defined in clause 6.2 of 3GPP TS 23.003 [2]. It is encoded + * as specified in clause 7.7.53 of 3GPP TS 29.060 [4], beginning + * with octet 4 of Figure 7.7.53.1. The IMEI(SV) digits are encoded + * using BCD coding where IMEI is 15 BCD digits and IMEISV is 16 BCD + * digits. For IMEI, bits 5 to 8 of the last octet shall be filled + * with an end mark coded as '1111'. + */ + +static void +dissect_gtpv2_mei(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + gchar *mei_str; + + /* Fetch the BCD encoded digits from tvb low half byte, formating the digits according to + * a default digit set of 0-9 returning "?" for overdecadic digits a pointer to the EP + * allocated string will be returned. + */ + proto_tree_add_item_ret_display_string(tree, hf_gtpv2_mei, tvb, offset, length, ENC_BCD_DIGITS_0_9, pinfo->pool, &mei_str); + proto_item_append_text(item, "%s", mei_str); +} + +/* + * 8.11 MSISDN + * + * MSISDN is defined in 3GPP TS 23.003 + * Editor's note: MSISDN coding will be defined in TS 24.301. + */ +static void +dissect_gtpv2_msisdn(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + const char *digit_str; + + /* Octets 5 to (n+4) represent the MSISDN value is in international number format + * as described in ITU-T Rec E.164 [25] and 3GPP TS 29.002 [41]. + * MSISDN value contains only the actual MSISDN number (does not contain the "nature of + * address indicator" octet, which indicates "international number" + * as in 3GPP TS 29.002 [41]) and is encoded as TBCD digits, i.e. + * digits from 0 through 9 are encoded "0000" to "1001". + * When there is an odd number of digits, bits 8 to 5 of the last octet are encoded with + * the filler "1111". + */ + /* Fetch the BCD encoded digits from tvb low half byte, formating the digits according to + * a default digit set of 0-9 returning "?" for overdecadic digits a pointer to the EP + * allocated string will be returned. + */ + digit_str = dissect_e164_msisdn(tvb, tree, 0, length, E164_ENC_BCD); + proto_item_append_text(item, "%s", digit_str); +} + +/* + * 8.12 Indication + */ +static void +dissect_gtpv2_ind(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + static int* const oct5_flags[] = { + &hf_gtpv2_daf, + &hf_gtpv2_dtf, + &hf_gtpv2_hi, + &hf_gtpv2_dfi, + &hf_gtpv2_oi, + &hf_gtpv2_isrsi, + &hf_gtpv2_israi, + &hf_gtpv2_sgwci, + NULL + }; + + /* Octet 5 DAF DTF HI DFI OI ISRSI ISRAI SGWCI */ + proto_tree_add_bitmask_list(tree, tvb, offset, 1, oct5_flags, ENC_NA); + if (length == 1) { + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_len_invalid, tvb, 0, length, "Older version?, should be 2 octets in 8.0.0"); + return; + } + + offset += 1; + + static int* const oct6_flags[] = { + &hf_gtpv2_sqci, + &hf_gtpv2_uimsi, + &hf_gtpv2_cfsi, + &hf_gtpv2_crsi, + &hf_gtpv2_ps, + &hf_gtpv2_pt, + &hf_gtpv2_si, + &hf_gtpv2_msv, + NULL + }; + + /* Octet 6 SQCI UIMSI CFSI CRSI P PT SI MSV + * 3GPP TS 29.274 version 9.4.0 Release 9 + */ + + proto_tree_add_bitmask_list(tree, tvb, offset, 1, oct6_flags, ENC_NA); + offset += 1; + + if (length == 2) { + return; + } + /* Only present in version 9 and higher */ + static int* const oct7_flags[] = { + &hf_gtpv2_retloc, + &hf_gtpv2_pbic, + &hf_gtpv2_srni, + &hf_gtpv2_s6af, + &hf_gtpv2_s4af, + &hf_gtpv2_mbmdt, + &hf_gtpv2_israu, + &hf_gtpv2_ccrsi, + NULL + }; + + /* Octet 7 RetLoc PBIC SRNI S6AF S4AF MBMDT ISRAU CCRSI */ + proto_tree_add_bitmask_list(tree, tvb, offset, 1, oct7_flags, ENC_NA); + offset += 1; + + if (length == 3) { + return; + } + static int* const oct8_flags[] = { + &hf_gtpv2_cprai, + &hf_gtpv2_arrl, + &hf_gtpv2_ppof, + &hf_gtpv2_ppon_ppei, + &hf_gtpv2_ppsi, + &hf_gtpv2_csfbi, + &hf_gtpv2_clii, + &hf_gtpv2_cpsr, + NULL + }; + + /* Octet 8 CPRAI ARRL PPOF PPON/PPEI PPSI CSFBI CLII CPSR */ + proto_tree_add_bitmask_list(tree, tvb, offset, 1, oct8_flags, ENC_NA); + offset += 1; + + if (length == 4) { + return; + } + + static int* const oct9_flags[] = { + &hf_gtpv2_nsi, + &hf_gtpv2_uasi, + &hf_gtpv2_dtci, + &hf_gtpv2_bdwi, + &hf_gtpv2_psci, + &hf_gtpv2_pcri, + &hf_gtpv2_aosi, + &hf_gtpv2_aopi, + NULL + }; + + /* Octet 9 NSI UASI DTCI BDWI PSCI PCRI AOSI AOPI */ + proto_tree_add_bitmask_list(tree, tvb, offset, 1, oct9_flags, ENC_NA); + offset += 1; + + if (length == 5) { + return; + } + + static int* const oct10_flags[] = { + &hf_gtpv2_roaai, + &hf_gtpv2_epcosi, + &hf_gtpv2_cpopci, + &hf_gtpv2_pmtsmi, + &hf_gtpv2_s11tf, + &hf_gtpv2_pnsi, + &hf_gtpv2_unaccsi, + &hf_gtpv2_wpmsi, + NULL + }; + /* Octet 10 ROAAI EPCOSI CPOPCI PMTSMI S11TF PNSI UNACCSI WPMSI */ + proto_tree_add_bitmask_list(tree, tvb, offset, 1, oct10_flags, ENC_NA); + offset += 1; + + if (length == 6){ + return; + } + + static int* const oct11_flags[] = { + &hf_gtpv2_5gsnn26, + &hf_gtpv2_reprefi, + &hf_gtpv2_5gsiwk, + &hf_gtpv2_eevrsi, + &hf_gtpv2_ltemui, + &hf_gtpv2_ltempi, + &hf_gtpv2_enbcrsi, + &hf_gtpv2_tspcmi, + NULL + }; + /*Octet 11 5GSNN26 REPREFI 5GSIWK EEVRSI LTEMUI LTEMPI ENBCRSI TSPCMI */ + proto_tree_add_bitmask_list(tree, tvb, offset, 1, oct11_flags, ENC_NA); + offset += 1; + + if (length == 7){ + return; + } + + static int* const oct12_flags[] = { + &hf_gtpv2_csrmfi, + &hf_gtpv2_mtedtn, + &hf_gtpv2_mtedta, + &hf_gtpv2_n5gnmi, + &hf_gtpv2_5gcnrs, + &hf_gtpv2_5gcnri, + &hf_gtpv2_5srhoi, + &hf_gtpv2_ethpdn, + NULL + }; + /* Octet 12 CSRMFI MTEDTN MTEDTA N5GNMI 5GCNRS 5GCNRI 5SRHOI ETHPDN */ + + proto_tree_add_bitmask_list(tree, tvb, offset, 1, oct12_flags, ENC_NA); + offset += 1; + + if (length == 8) { + return; + } + + static int* const oct13_flags[] = { + &hf_gtpv2_nspusi, + &hf_gtpv2_pgwrnsi, + &hf_gtpv2_rppcsi, + &hf_gtpv2_pgwchi, + &hf_gtpv2_sissme, + &hf_gtpv2_nsenbi, + &hf_gtpv2_idfupf, + &hf_gtpv2_emci, + NULL + }; + + /* Octet 13 NSOUSI PGWRNSI RPPCSI PGWCHI SISSME NSENBI IDFUPF EMCI */ + proto_tree_add_bitmask_list(tree, tvb, offset, 1, oct13_flags, ENC_NA); + offset += 1; + + if (length == 9) { + return; + } + + static int* const oct14_flags[] = { + &hf_gtpv2_spare_b7_b3, + &hf_gtpv2_ltemsai, + &hf_gtpv2_srtpi, + &hf_gtpv2_upipsi, + NULL + }; + + /* Octet 13 Spare NSELTEMSAI SRTPI UPIPSI */ + proto_tree_add_bitmask_list(tree, tvb, offset, 1, oct14_flags, ENC_NA); + offset += 1; + + if (length == 10) { + return; + } + + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, -1, "The rest of the IE not dissected yet"); + + +} + +/* + * 8.13 Protocol Configuration Options (PCO) + * Protocol Configuration Options (PCO) is transferred via GTP tunnels. The sending entity copies the value part of the + * PCO into the Value field of the PCO IE. The detailed coding of the PCO field from octets 5 to (n+4) shall be specified + * as per clause 10.5.6.3 of 3GPP TS 24.008 [5], starting with octet 3. + * Dissected in packet-gsm_a_gm.c + */ +static void +dissect_gtpv2_pco(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + switch (message_type) { + case GTPV2_CREATE_SESSION_REQUEST: + case GTPV2_DELETE_SESSION_REQUEST: + case GTPV2_BEARER_RESOURCE_COMMAND: + case GTPV2_CREATE_BEARER_RESPONSE: + case GTPV2_UPDATE_BEARER_RESPONSE: + case GTPV2_DELETE_BEARER_RESPONSE: + /* PCO options as MS to network direction */ + pinfo->link_dir = P2P_DIR_UL; + break; + case GTPV2_CREATE_SESSION_RESPONSE: + case GTPV2_MODIFY_BEARER_RESPONSE: + case GTPV2_DELETE_SESSION_RESPONSE: + case GTPV2_CREATE_BEARER_REQUEST: + case GTPV2_UPDATE_BEARER_REQUEST: + case GTPV2_DELETE_BEARER_REQUEST: + /* PCO options as Network to MS direction: */ + pinfo->link_dir = P2P_DIR_DL; + break; + default: + break; + } + de_sm_pco(tvb, tree, pinfo, 0, length, NULL, 0); +} + +/* + * 8.14 PDN Address Allocation (PAA) + */ + +static const value_string gtpv2_pdn_type_vals[] = { + {1, "IPv4"}, + {2, "IPv6"}, + {3, "IPv4/IPv6"}, + {4, "Non-IP"}, + {5, "Ethernet"}, + {0, NULL} +}; + +static void +dissect_gtpv2_paa(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 pdn_type; + + pdn_type = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_pdn_type, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + switch (pdn_type) + { + case 1: + /* IPv4 */ + if (length != 5) { + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_len_invalid, tvb, 0, length, + "Wrong length indicated. Expected 5, got %u", length); + return; + } + proto_tree_add_item(tree, hf_gtpv2_pdn_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); + proto_item_append_text(item, "IPv4 %s", tvb_ip_to_str(pinfo->pool, tvb, offset)); + break; + case 2: + /* IPv6*/ + /* If PDN type value indicates IPv6, octet 6 contains the IPv6 Prefix Length. + * Octets 7 through 22 contain an IPv6 Prefix and Interface Identifier. + * Bit 8 of octet 7 represents the most significant bit of the IPv6 Prefix + * and Interface Identifier and bit 1 of octet 22 the least significant bit. + */ + if (length != 18) { + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_len_invalid, tvb, 0, length, + "Wrong length indicated. Expected 18, got %u", length); + return; + } + proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6, tvb, offset, 16, ENC_NA); + proto_item_append_text(item, "IPv6 %s", tvb_ip6_to_str(pinfo->pool, tvb, offset)); + break; + case 3: + /* IPv4/IPv6 */ + /* If PDN type value indicates IPv4v6, octet 6 contains the IPv6 Prefix Length. + * Octets 7 through 22 contain an IPv6 Prefix and Interface Identifier. + * Bit 8 of octet 7 represents the most significant bit of the IPv6 Prefix + * and Interface Identifier and bit 1 of octet 22 the least significant bit. + * Octets 23 through 26 contain an IPv4 address. Bit 8 of octet 23 represents + * the most significant bit of the IPv4 address and bit 1 of octet 26 the least + * significant bit. + */ + if (length != 22) { + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_len_invalid, tvb, 0, length, + "Wrong length indicated. Expected 22, got %u", length); + return; + } + proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6, tvb, offset, 16, ENC_NA); + proto_item_append_text(item, "IPv6 %s, ", tvb_ip6_to_str(pinfo->pool, tvb, offset)); + offset += 16; + proto_tree_add_item(tree, hf_gtpv2_pdn_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); + proto_item_append_text(item, "IPv4 %s", tvb_ip_to_str(pinfo->pool, tvb, offset)); + break; + case 4: /* Non IP */ + case 5: /* Ethernet */ + /* If PDN type value indicates Non-IP or Ethernet, octets from 6 to 'n+4' + shall not be present. */ + if (length != 1) { + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_len_invalid, tvb, 0, length, + "Wrong length indicated. Expected 1, got %u", length); + return; + } + default: + break; + } +} +/* + * 8.15 Bearer Quality of Service (Bearer QoS) + */ + +static void +dissect_gtpv2_bearer_qos(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + proto_tree_add_item(tree, hf_gtpv2_bearer_qos_pci, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_bearer_qos_pl, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_bearer_qos_pvi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(tree, hf_gtpv2_bearer_qos_label_qci, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(tree, hf_gtpv2_bearer_qos_mbr_up, tvb, offset, 5, ENC_BIG_ENDIAN); + offset += 5; + proto_tree_add_item(tree, hf_gtpv2_bearer_qos_mbr_down, tvb, offset, 5, ENC_BIG_ENDIAN); + offset += 5; + proto_tree_add_item(tree, hf_gtpv2_bearer_qos_gbr_up, tvb, offset, 5, ENC_BIG_ENDIAN); + offset += 5; + proto_tree_add_item(tree, hf_gtpv2_bearer_qos_gbr_down, tvb, offset, 5, ENC_BIG_ENDIAN); +} + +/* + * 8.16 Flow Quality of Service (Flow QoS) + */ + +static void +dissect_gtpv2_flow_qos(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + proto_tree_add_item(tree, hf_gtpv2_flow_qos_label_qci, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(tree, hf_gtpv2_flow_qos_mbr_up, tvb, offset, 5, ENC_BIG_ENDIAN); + offset += 5; + proto_tree_add_item(tree, hf_gtpv2_flow_qos_mbr_down, tvb, offset, 5, ENC_BIG_ENDIAN); + offset += 5; + proto_tree_add_item(tree, hf_gtpv2_flow_qos_gbr_up, tvb, offset, 5, ENC_BIG_ENDIAN); + offset += 5; + proto_tree_add_item(tree, hf_gtpv2_flow_qos_gbr_down, tvb, offset, 5, ENC_BIG_ENDIAN); +} + +/* + * 8.17 RAT Type + */ +static const value_string gtpv2_rat_type_vals[] = { + {0, "Reserved"}, + {1, "UTRAN"}, + {2, "GERAN"}, + {3, "WLAN"}, + {4, "GAN"}, + {5, "HSPA Evolution"}, + {6, "EUTRAN"}, + {7, "Virtual"}, + {8, "EUTRAN-NB-IoT"}, + {9, "LTE-M"}, + {10, "NR"}, + {11, "WB-E-UTRAN(LEO)"}, + {12, "WB-E-UTRAN(MEO)"}, + {13, "WB-E-UTRAN(GEO)"}, + {14, "WB-E-UTRAN(OTHERSAT)"}, + {15, "EUTRAN-NB-IoT(LEO)"}, + {16, "EUTRAN-NB-IoT(MEO)"}, + {17, "EUTRAN-NB-IoT(GEO)"}, + {18, "EUTRAN-NB-IoT(OTHERSAT)"}, + {19, "LTE-M(LEO)"}, + {20, "LTE-M(MEO)"}, + {21, "LTE-M(GEO)"}, + {22, "LTE-M(OTHERSAT)"}, + {0, NULL} +}; +static value_string_ext gtpv2_rat_type_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_rat_type_vals); + + +static void +dissect_gtpv2_rat_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + guint8 rat_type; + + rat_type = tvb_get_guint8(tvb, 0); + proto_tree_add_item(tree, hf_gtpv2_rat_type, tvb, 0, 1, ENC_BIG_ENDIAN); + proto_item_append_text(item, "%s (%u)", val_to_str_ext_const(rat_type, >pv2_rat_type_vals_ext, "Unknown"), rat_type); + +} + +/* + * 8.18 Serving Network + */ +static void +dissect_gtpv2_serv_net(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + gchar *mcc_mnc_str; + + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, 0, E212_NONE, TRUE); + proto_item_append_text(item, "%s", mcc_mnc_str); +} + +/* + * 8.19 EPS Bearer Level Traffic Flow Template (Bearer TFT) + */ + +static void +dissect_gtpv2_bearer_tft(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + /* The detailed coding of Traffic Aggregate + * Description is specified in 3GPP TS 24.008 [5] , + * clause 10.5.6.12, beginning with octet 3.. + * Use the decoding in packet-gsm_a_gm.c + */ + de_sm_tflow_temp(tvb, tree, pinfo, 0, length, NULL, 0); + +} + /* 8.20 Traffic Aggregate Description (TAD) + */ +static void +dissect_gtpv2_tad(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + /* The detailed coding of Traffic Aggregate + * Description is specified in 3GPP TS 24.008 [5] , + * clause 10.5.6.12, beginning with octet 3.. + * Use the decoding in packet-gsm_a_gm.c + */ + de_sm_tflow_temp(tvb, tree, pinfo, 0, length, NULL, 0); +} + +/* + * 8.21 User Location Info (ULI) + * + * The flags ECGI, TAI, RAI, SAI and CGI in octed 5 indicate if the corresponding + * fields are present in the IE or not. If one of these flags is set to "0", + * the corresponding field is not present at all. The respective identities are defined in 3GPP + * TS 23.003 [2]. + * Editor's Note: The definition of ECGI is missing in 3GPP TS 23.003 v8.1.0. + * It can be found in 3GPP TS 36.413 v8.3.0, but it is expected that it will be moved + * to 23.003 in a future version. + */ +gchar* +dissect_gtpv2_tai(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int *offset, gboolean is_5gs) +{ + gchar *str = NULL; + gchar *mcc_mnc_str; + guint32 tac; + + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, *offset, E212_TAI, TRUE); + *offset += 3; + if (is_5gs) { + proto_tree_add_item_ret_uint(tree, hf_gtpv2_5gs_tai_tac, tvb, *offset, 3, ENC_BIG_ENDIAN, &tac); + *offset += 3; + } else { + proto_tree_add_item_ret_uint(tree, hf_gtpv2_tai_tac, tvb, *offset, 2, ENC_BIG_ENDIAN, &tac); + *offset += 2; + } + str = wmem_strdup_printf(pinfo->pool, "%s, TAC 0x%x", + mcc_mnc_str, + tac); + + return str; +} + +static gchar* +dissect_gtpv2_ecgi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int *offset) +{ + gchar *str = NULL; + gchar *mcc_mnc_str; + guint8 octet; + guint32 octet4; + guint8 spare; + guint32 ECGI; + static int* const ECGI_flags[] = { + &hf_gtpv2_enodebid, + &hf_gtpv2_cellid, + NULL + }; + + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, *offset, E212_ECGI, TRUE); + *offset += 3; + /* The bits 8 through 5, of octet e+3 (Fig 8.21.5-1 in TS 29.274 V8.2.0) are spare + * and hence they would not make any difference to the hex string following it, + * thus we directly read 4 bytes from the tvb + */ + + octet = tvb_get_guint8(tvb, *offset); + spare = octet & 0xF0; + octet4 = tvb_get_ntohl(tvb, *offset); + ECGI = octet4 & 0x0FFFFFFF; + proto_tree_add_uint(tree, hf_gtpv2_ecgi_eci_spare, tvb, *offset, 1, spare); + /* The coding of the E-UTRAN cell identifier is the responsibility of each administration. + * Coding using full hexadecimal representation shall be used. + */ + proto_tree_add_bitmask(tree, tvb, *offset, hf_gtpv2_ecgi_eci, ett_gtpv2_eci, ECGI_flags, ENC_BIG_ENDIAN); + *offset += 4; + str = wmem_strdup_printf(pinfo->pool, "%s, ECGI 0x%x", + mcc_mnc_str, + ECGI); + + + return str; +} + +static gchar* +dissect_gtpv2_rai(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int *offset) +{ + gchar *str = NULL; + gchar *mcc_mnc_str; + guint16 lac, rac; + + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, *offset, E212_RAI, TRUE); + *offset += 3; + lac = tvb_get_ntohs(tvb, *offset); + proto_tree_add_item(tree, hf_gtpv2_rai_lac, tvb, *offset, 2, ENC_BIG_ENDIAN); + *offset += 2; + rac = tvb_get_ntohs(tvb, *offset); + proto_tree_add_item(tree, hf_gtpv2_rai_rac, tvb, *offset, 2, ENC_BIG_ENDIAN); + *offset += 2; + str = wmem_strdup_printf(pinfo->pool, "%s, LAC 0x%x, RAC 0x%x", + mcc_mnc_str, + lac, + rac); + + return str; +} + +static gchar* +dissect_gtpv2_sai_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int *offset) +{ + gchar *str = NULL; + gchar *mcc_mnc_str; + guint16 lac, sac; + + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, *offset, E212_SAI, TRUE); + *offset += 3; + lac = tvb_get_ntohs(tvb, *offset); + proto_tree_add_item(tree, hf_gtpv2_sai_lac, tvb, *offset, 2, ENC_BIG_ENDIAN); + *offset += 2; + sac = tvb_get_ntohs(tvb, *offset); + proto_tree_add_item(tree, hf_gtpv2_sai_sac, tvb, *offset, 2, ENC_BIG_ENDIAN); + *offset += 2; + str = wmem_strdup_printf(pinfo->pool, "%s, LAC 0x%x, SAC 0x%x", + mcc_mnc_str, + lac, + sac); + + return str; +} + +static gchar* +dissect_gtpv2_cgi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int *offset) +{ + gchar *str = NULL; + gchar *mcc_mnc_str; + guint16 lac, ci; + + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, *offset, E212_CGI, TRUE); + *offset += 3; + lac = tvb_get_ntohs(tvb, *offset); + proto_tree_add_item(tree, hf_gtpv2_uli_cgi_lac, tvb, *offset, 2, ENC_BIG_ENDIAN); + *offset += 2; + ci = tvb_get_ntohs(tvb, *offset); + proto_tree_add_item(tree, hf_gtpv2_uli_cgi_ci, tvb, *offset, 2, ENC_BIG_ENDIAN); + *offset += 2; + str = wmem_strdup_printf(pinfo->pool, "%s, LAC 0x%x, CI 0x%x", + mcc_mnc_str, + lac, + ci); + + return str; +} + +static gchar* +dissect_gtpv2_macro_enodeb_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int *offset) +{ + gchar *str = NULL; + gchar *mcc_mnc_str; + guint32 macro_enodeb_id; + + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, *offset, E212_NONE, TRUE); + *offset += 3; + /* The Macro eNodeB ID consists of 20 bits. + * Bit 4 of Octet 4 is the most significant bit and bit 1 of Octet 6 is the least significant bit. + */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_macro_enodeb_id, tvb, *offset, 3, ENC_BIG_ENDIAN, ¯o_enodeb_id); + *offset += 3; + + str = wmem_strdup_printf(pinfo->pool, "%s, Macro eNodeB ID 0x%x", + mcc_mnc_str, + macro_enodeb_id); + + return str; +} + +static const true_false_string gtpv2_smenb = { + "Short Macro eNodeB ID", + "Long Macro eNodeB ID", +}; + +static gchar* +dissect_gtpv2_ext_macro_enodeb_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int *offset, int hfindex) +{ + gchar *str = NULL; + gchar *mcc_mnc_str; + guint32 ext_macro_enodeb_id; + + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, *offset, E212_NONE, TRUE); + *offset += 3; + /* The Extended Macro eNodeB ID consists of 21 bits. */ + proto_tree_add_item(tree, hf_gtpv2_smenb, tvb, *offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item_ret_uint(tree, hfindex, tvb, *offset, 3, ENC_BIG_ENDIAN, &ext_macro_enodeb_id); + *offset += 3; + + str = wmem_strdup_printf(pinfo->pool, "%s, Extended Macro %seNodeB ID 0x%x", + mcc_mnc_str, + hfindex == hf_gtpv2_ext_macro_ng_enodeb_id ? "ng-" : "", + ext_macro_enodeb_id); + + return str; +} + + +static gchar* +decode_gtpv2_uli(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 instance _U_, guint flags) +{ + int offset = 1; /* flags are already dissected */ + proto_tree *part_tree; + gchar *mcc_mnc_str; + gchar *str = NULL; + + /* 8.21.1 CGI field */ + if (flags & GTPv2_ULI_CGI_MASK) + { + + proto_item_append_text(item, "CGI "); + part_tree = proto_tree_add_subtree(tree, tvb, offset, 7, + ett_gtpv2_uli_field, NULL, "Cell Global Identity (CGI)"); + + str = dissect_gtpv2_cgi(tvb, pinfo, part_tree, &offset); + + if (offset == length) + return str; + } + + /* 8.21.2 SAI field */ + if (flags & GTPv2_ULI_SAI_MASK) + { + proto_item_append_text(item, "SAI "); + part_tree = proto_tree_add_subtree(tree, tvb, offset, 7, + ett_gtpv2_uli_field, NULL, "Service Area Identity (SAI)"); + + str = dissect_gtpv2_sai_common(tvb, pinfo, part_tree, &offset); + + if (offset == length) + return str; + } + /* 8.21.3 RAI field */ + if (flags & GTPv2_ULI_RAI_MASK) + { + proto_item_append_text(item, "RAI "); + part_tree = proto_tree_add_subtree(tree, tvb, offset, 7, + ett_gtpv2_uli_field, NULL, "Routeing Area Identity (RAI)"); + + str = dissect_gtpv2_rai(tvb, pinfo, part_tree, &offset); + + if (offset == length) + return str; + } + /* 8.21.4 TAI field */ + if (flags & GTPv2_ULI_TAI_MASK) + { + proto_item_append_text(item, "TAI "); + part_tree = proto_tree_add_subtree(tree, tvb, offset, 5, + ett_gtpv2_uli_field, NULL, "Tracking Area Identity (TAI)"); + + str = dissect_gtpv2_tai(tvb, pinfo, part_tree, &offset, FALSE); + + if (offset == length) + return str; + } + /* 8.21.5 ECGI field */ + if (flags & GTPv2_ULI_ECGI_MASK) + { + proto_item_append_text(item, "ECGI "); + part_tree = proto_tree_add_subtree(tree, tvb, offset, 7, + ett_gtpv2_uli_field, NULL, "E-UTRAN Cell Global Identifier (ECGI)"); + + str = dissect_gtpv2_ecgi(tvb, pinfo, part_tree, &offset); + + if (offset == length) + return str; + + } + /* 8.21.6 LAI field */ + if (flags & GTPv2_ULI_LAI_MASK) + { + guint16 lac; + proto_item_append_text(item, "LAI "); + part_tree = proto_tree_add_subtree(tree, tvb, offset, 5, + ett_gtpv2_uli_field, NULL, "LAI (Location Area Identifier)"); + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, part_tree, offset, E212_LAI, TRUE); + offset += 3; + + /* The Location Area Code (LAC) consists of 2 octets. Bit 8 of Octet f+3 is the most significant bit + * and bit 1 of Octet f+4 the least significant bit. The coding of the location area code is the + * responsibility of each administration. Coding using full hexadecimal representation shall be used. + */ + proto_tree_add_item(part_tree, hf_gtpv2_uli_lai_lac, tvb, offset, 2, ENC_BIG_ENDIAN); + lac = tvb_get_ntohs(tvb, offset); + str = wmem_strdup_printf(pinfo->pool, "%s, LAC 0x%x", + mcc_mnc_str, + lac); + + } + /* 8.21.7 Macro eNodeB ID field */ + if (flags & GTPv2_ULI_MACRO_eNB_ID_MASK) + { + proto_item_append_text(item, "Macro eNodeB ID "); + part_tree = proto_tree_add_subtree(tree, tvb, offset, 6, + ett_gtpv2_uli_field, NULL, "Macro eNodeB ID"); + + str = dissect_gtpv2_macro_enodeb_id(tvb, pinfo, part_tree, &offset); + + if (offset == length) + return str; + } + + /* 8.21.8 Extended Macro eNodeB ID field */ + if (flags & GTPv2_ULI_EXT_MACRO_eNB_ID_MASK) + { + proto_item_append_text(item, "Ext Macro eNodeB ID "); + part_tree = proto_tree_add_subtree(tree, tvb, offset, 6, + ett_gtpv2_uli_field, NULL, "Extended Macro eNodeB ID"); + + str = dissect_gtpv2_ext_macro_enodeb_id(tvb, pinfo, part_tree, &offset, hf_gtpv2_ext_macro_enodeb_id); + + if (offset == length) + return str; + } + + return str; + +} + +void +dissect_gtpv2_uli(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint flags; + + static int * const gtpv2_uli_flags[] = { + &hf_gtpv2_uli_ext_macro_enb_id_flg, + &hf_gtpv2_uli_macro_enb_id_flg, + &hf_gtpv2_uli_lai_flg, + &hf_gtpv2_uli_ecgi_flg, + &hf_gtpv2_uli_tai_flg, + &hf_gtpv2_uli_rai_flg, + &hf_gtpv2_uli_sai_flg, + &hf_gtpv2_uli_cgi_flg, + NULL + }; + + flags = tvb_get_guint8(tvb, offset) & 0x3f; + proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_gtpv2_uli_flags, + ett_gtpv2_uli_flags, gtpv2_uli_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE| BMT_NO_INT); + + decode_gtpv2_uli(tvb, pinfo, tree, item, length, instance, flags); + + return; +} + +/* Diameter 3GPP AVP Code: 22 3GPP-User-Location-Info */ +/* + * TS 29.061 v15.5.0 + * 16.4.7.2 Coding 3GPP Vendor-Specific RADIUS attributes + */ +static const value_string geographic_location_type_vals[] = { + {0, "CGI"}, + {1, "SAI"}, + {2, "RAI"}, + {128, "TAI"}, + {129, "ECGI"}, + {130, "TAI and ECGI"}, + {131, "eNodeB ID"}, + {132, "TAI and eNodeB ID"}, + {133, "extended eNodeB ID"}, + {134, "TAI and extended eNodeB ID"}, + {135, "NCGI"}, + {136, "5GS TAI"}, + {137, "5GS TAI and NCGI"}, + {138, "NG-RAN Node ID"}, + {139, "5GS TAI and NG-RAN Node ID"}, + /* 140-255 Spare for future use */ + {0, NULL} +}; + +static int +dissect_3gpp_uli(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, gchar **avp_str) +{ + int offset = 0; + guint length; + guint flags; + guint32 flags_3gpp; + gchar *str_buf = NULL; + length = tvb_reported_length(tvb); + + if (!avp_str) + avp_str = &str_buf; + + proto_tree_add_item_ret_uint(tree, hf_gtpv2_glt, tvb, offset, 1, ENC_BIG_ENDIAN, &flags_3gpp); + offset++; + + switch (flags_3gpp) + { + case 0: + /* CGI */ + flags = GTPv2_ULI_CGI_MASK; + break; + case 1: + /* SAI */ + flags = GTPv2_ULI_SAI_MASK; + break; + case 2: + /* RAI */ + flags = GTPv2_ULI_RAI_MASK; + break; + case 128: + /* TAI */ + flags = GTPv2_ULI_TAI_MASK; + break; + case 129: + /* ECGI */ + flags = GTPv2_ULI_ECGI_MASK; + break; + case 130: + /* TAI and ECGI */ + flags = GTPv2_ULI_TAI_MASK + GTPv2_ULI_ECGI_MASK; + break; + case 131: + /* eNodeB ID */ + flags = GTPv2_ULI_MACRO_eNB_ID_MASK; + break; + case 132: + /* TAI and eNodeB ID */ + flags = GTPv2_ULI_TAI_MASK + GTPv2_ULI_MACRO_eNB_ID_MASK; + break; + case 133: + /* extended eNodeB ID */ + flags = GTPv2_ULI_EXT_MACRO_eNB_ID_MASK; + break; + case 134: + /* TAI and extended eNodeB ID */ + flags = GTPv2_ULI_TAI_MASK + GTPv2_ULI_EXT_MACRO_eNB_ID_MASK; + break; + case 135: + /* NCGI */ + { + gchar *mcc_mnc_str; + guint64 nr_cell_id; + proto_tree *subtree; + + subtree = proto_tree_add_subtree(tree, tvb, offset, 8, ett_gtpv2_uli_field, NULL, + "NR Cell Global Identifier (NCGI)"); + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, subtree, offset, E212_NRCGI, TRUE); + offset += 3; + proto_tree_add_item_ret_uint64(subtree, hf_gtpv2_ncgi_nrci, tvb, offset, 5, ENC_BIG_ENDIAN, &nr_cell_id); + *avp_str = wmem_strdup_printf(pinfo->pool, + "%s, NR Cell Id 0x%" PRIx64, + mcc_mnc_str, nr_cell_id); + } + return length; + case 136: + /* 5GS TAI */ + { + proto_tree *subtree; + + subtree = proto_tree_add_subtree(tree, tvb, offset, 6, ett_gtpv2_uli_field, NULL, + "Tracking Area Identity (TAI)"); + *avp_str = dissect_gtpv2_tai(tvb, pinfo, subtree, &offset, TRUE); + } + return length; + case 137: + /* 5GS TAI and NCGI */ + { + gchar *mcc_mnc_str; + guint64 nr_cell_id; + proto_tree *subtree; + + subtree = proto_tree_add_subtree(tree, tvb, offset, 6, ett_gtpv2_uli_field, NULL, + "Tracking Area Identity (TAI)"); + *avp_str = dissect_gtpv2_tai(tvb, pinfo, subtree, &offset, TRUE); + subtree = proto_tree_add_subtree(tree, tvb, offset, 8, ett_gtpv2_uli_field, NULL, + "NR Cell Global Identifier (NCGI)"); + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, subtree, offset, E212_NRCGI, TRUE); + offset += 3; + proto_tree_add_item_ret_uint64(subtree, hf_gtpv2_ncgi_nrci, tvb, offset, 5, ENC_BIG_ENDIAN, &nr_cell_id); + *avp_str = wmem_strdup_printf(pinfo->pool, + "%s, %s, NR Cell Id 0x%" PRIx64, + *avp_str, mcc_mnc_str, nr_cell_id); + } + return length; + default: + proto_tree_add_item(tree, hf_gtpv2_geographic_location, tvb, offset, -1, ENC_NA); + return length; + } + + *avp_str = decode_gtpv2_uli(tvb, pinfo, tree, NULL, length, 0, flags); + return length; +} + +static const +gchar *dissect_radius_user_loc(proto_tree * tree, tvbuff_t * tvb, packet_info* pinfo) +{ + guint16 length; + + length = dissect_3gpp_uli(tvb, pinfo, tree, NULL); + return tvb_bytes_to_str(pinfo->pool, tvb, 0, length); + +} + +int +dissect_diameter_3gpp_uli(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, void* data) +{ + diam_sub_dis_t* diam_sub_dis = (diam_sub_dis_t*)data; + + if (diam_sub_dis) { + return dissect_3gpp_uli(tvb, pinfo, tree, &diam_sub_dis->avp_str); + } else { + return dissect_3gpp_uli(tvb, pinfo, tree, NULL); + } +} + +/* + * 8.22 Fully Qualified TEID (F-TEID) + */ +static const value_string gtpv2_f_teid_interface_type_vals[] = { + { 0, "S1-U eNodeB GTP-U interface"}, + { 1, "S1-U SGW GTP-U interface"}, + { 2, "S12 RNC GTP-U interface"}, + { 3, "S12 SGW GTP-U interface"}, + { 4, "S5/S8 SGW GTP-U interface"}, + { 5, "S5/S8 PGW GTP-U interface"}, + { 6, "S5/S8 SGW GTP-C interface"}, + { 7, "S5/S8 PGW GTP-C interface"}, + { 8, "S5/S8 SGW PMIPv6 interface"}, /* (the 32 bit GRE key is encoded in 32 bit TEID field " + "and since alternate CoA is not used the control plane and user plane addresses are the same for PMIPv6)"}, */ + { 9, "S5/S8 PGW PMIPv6 interface"}, /* (the 32 bit GRE key is encoded in 32 bit TEID field " + "and the control plane and user plane addresses are the same for PMIPv6)"}, */ + {10, "S11 MME GTP-C interface"}, + {11, "S11/S4 SGW GTP-C interface"}, + {12, "S10 MME GTP-C interface"}, + {13, "S3 MME GTP-C interface"}, + {14, "S3 SGSN GTP-C interface"}, + {15, "S4 SGSN GTP-U interface"}, + {16, "S4 SGW GTP-U interface"}, + {17, "S4 SGSN GTP-C interface"}, + {18, "S16 SGSN GTP-C interface"}, + {19, "eNodeB/gNodeB GTP-U interface for DL data forwarding"}, + {20, "eNodeB GTP-U interface for UL data forwarding"}, + {21, "RNC GTP-U interface for data forwarding"}, + {22, "SGSN GTP-U interface for data forwarding"}, + {23, "SGW GTP-U interface for data forwarding"}, + {24, "Sm MBMS GW GTP-C interface"}, + {25, "Sn MBMS GW GTP-C interface"}, + {26, "Sm MME GTP-C interface"}, + {27, "Sn SGSN GTP-C interface"}, + {28, "SGW GTP-U interface for UL data forwarding"}, + {29, "Sn SGSN GTP-U interface"}, + {30, "S2b ePDG GTP-C interface"}, + {31, "S2b-U ePDG GTP-U interface"}, + {32, "S2b PGW GTP-C interface"}, + {33, "S2b-U PGW GTP-U interface"}, + {34, "S2a TWAN GTP-U interface"}, + {35, "S2a TWAN GTP-C interface"}, + {36, "S2a PGW GTP-C interface"}, + {37, "S2a PGW GTP-U interface"}, + {38, "S11 MME GTP-U interface"}, + {39, "S11 SGW GTP-U interface"}, + {40, "N26 AMF GTP-C interface"}, + {41, "N19mb UPF GTP-U interface"}, + {0, NULL} +}; +static value_string_ext gtpv2_f_teid_interface_type_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_f_teid_interface_type_vals); + +static const true_false_string gtpv2_f_teid_v4_vals = { + "IPv4 address present", + "IPv4 address not present", +}; + +static const true_false_string gtpv2_f_teid_v6_vals = { + "IPv6 address present", + "IPv6 address not present", +}; + +static void +dissect_gtpv2_f_teid(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t *args) +{ + int offset = 0; + guint8 flags; + address *ipv4 = NULL, *ipv6 = NULL; + guint32 teid_cp, *teid, session; + + flags = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_f_teid_v4, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_f_teid_v6, tvb, offset, 1, ENC_BIG_ENDIAN); + /* NOTE: "Interface type" IE is defined with 5 bits only in the earlier releases of this specification, + * thus pre-Rel-10 GTPv2-C nodes can ignore bit "6" which is marked as "Spare" in earlier releases, + * allowing backward compatibility. + */ + proto_tree_add_item(tree, hf_gtpv2_f_teid_interface_type, tvb, offset, 1, ENC_BIG_ENDIAN); + + offset += 1; + proto_tree_add_item_ret_uint(tree, hf_gtpv2_f_teid_gre_key, tvb, offset, 4, ENC_BIG_ENDIAN, &teid_cp); + proto_item_append_text(item, "%s, TEID/GRE Key: 0x%s", + val_to_str_ext_const((flags & 0x3f), >pv2_f_teid_interface_type_vals_ext, "Unknown"), + tvb_bytes_to_str(pinfo->pool, tvb, offset, 4)); + + offset += 4; + if (flags & 0x80) + { + ipv4 = wmem_new0(pinfo->pool, address); + proto_tree_add_item(tree, hf_gtpv2_f_teid_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); + proto_item_append_text(item, ", IPv4 %s", tvb_ip_to_str(pinfo->pool, tvb, offset)); + set_address_tvb(ipv4, AT_IPv4, 4, tvb, offset); + offset += 4; + } + if (flags & 0x40) + { + ipv6 = wmem_new0(pinfo->pool, address); + proto_tree_add_item(tree, hf_gtpv2_f_teid_ipv6, tvb, offset, 16, ENC_NA); + proto_item_append_text(item, ", IPv6 %s", tvb_ip6_to_str(pinfo->pool, tvb, offset)); + set_address_tvb(ipv6, AT_IPv6, 16, tvb, offset); + } + + if (g_gtp_session && args) { + session = GPOINTER_TO_UINT(wmem_map_lookup(session_table, GUINT_TO_POINTER(pinfo->num))); + if (!session) { + /* We save the teid so that we could assignate its corresponding session ID later */ + args->last_teid = teid_cp; + if (!teid_exists(teid_cp, args->teid_list)) { + teid = wmem_new(pinfo->pool, guint32); + *teid = teid_cp; + wmem_list_prepend(args->teid_list, teid); + } + if (ipv4 != NULL && !ip_exists(*ipv4, args->ip_list)) { + copy_address_wmem(pinfo->pool, &args->last_ip, ipv4); + wmem_list_prepend(args->ip_list, ipv4); + } + if (ipv6 != NULL && !ip_exists(*ipv6, args->ip_list)) { + copy_address_wmem(pinfo->pool, &args->last_ip, ipv6); + wmem_list_prepend(args->ip_list, ipv6); + } + } + } +} +/* + * 8.23 TMSI + */ +static void +dissect_gtpv2_tmsi(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_item(tree, hf_gtpv2_tmsi, tvb, 0, 4, ENC_BIG_ENDIAN); + proto_tree_add_item(item, hf_gtpv2_tmsi_bytes, tvb, 0, length, ENC_NA); +} +/* + * 8.24 Global CN-Id + * (TS 23.003) + * 12.3 CN Identifier + * + * A CN node is uniquely identified within a PLMN by its CN Identifier (CN-Id). The CN-Id together with the PLMN + * identifier globally identifies the CN node. The CN-Id together with the PLMN-Id is used as the CN node identifier in + * RANAP signalling over the Iu interface. + * Global CN-Id = PLMN-Id || CN-Id + * The CN-Id is defined by the operator, and set in the nodes via O&M. + * For the syntax description and the use of this identifier in RANAP signalling, see 3GPP TS 25.413 [17]. + */ + +static void +dissect_gtpv2_g_cn_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + dissect_e212_mcc_mnc(tvb, pinfo, tree, 0, E212_NONE, TRUE); + offset += 3; + + /* >CN-ID M INTEGER (0..4095) */ + proto_tree_add_item(tree, hf_gtpv2_cn_id, tvb, offset, 2, ENC_NA); +} +/* + * 8.25 S103 PDN Data Forwarding Info (S103PDF) + */ +static void +dissect_gtpv2_s103pdf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 m, k, i; + + /* The HSGW Address and GRE Key identify a GRE Tunnel towards a HSGW over S103 interface for a specific PDN + * connection of the UE. The EPS Bearer IDs specify the EPS Bearers which require data forwarding that belonging to this + * PDN connection. The number of EPS bearer Ids included is specified by the value of EPS Bearer ID Number. + */ + /* Octet 5 HSGW Address for forwarding Length = m */ + m = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_hsgw_addr_f_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* 6 to (m+5) HSGW Address for forwarding [4..16] */ + switch (m) { + case 4: + /* IPv4 */ + proto_tree_add_item(tree, hf_gtpv2_hsgw_addr_ipv4, tvb, offset, m, ENC_BIG_ENDIAN); + offset += 4; + break; + case 16: + /* IPv6 */ + proto_tree_add_item(tree, hf_gtpv2_hsgw_addr_ipv6, tvb, offset, m, ENC_NA); + offset += 16; + break; + default: + /* Error */ + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_len_invalid, tvb, 0, length, + "Wrong length %u, should be 4 or 16", m); + return; + } + + /* (m+6)- to (m+9) GRE Key */ + proto_tree_add_item(tree, hf_gtpv2_gre_key, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + /* (m+10) EPS Bearer ID Number = k */ + k = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_eps_bearer_id_number, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* (m+11) to (m+10+k) + * Spare EPS Bearer ID + */ + for ( i = 0; i < k; i++ ) { + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset << 3, 4, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_ebi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + } + +} +/* + * 8.26 S1-U Data Forwarding (S1UDF) + */ +static void +dissect_gtpv2_s1udf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 m; + + /* 5 Spare EPS Bearer ID */ + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset << 3, 4, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_ebi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* 6 Serving GW Address Length = m */ + m = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_serving_gw_address_length, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* 7 to (m+6) Serving GW Address [4..16] */ + switch (m) { + case 4: + /* IPv4 */ + proto_tree_add_item(tree, hf_gtpv2_sgw_addr_ipv4, tvb, offset, m, ENC_BIG_ENDIAN); + offset += 4; + break; + case 16: + /* IPv6 */ + proto_tree_add_item(tree, hf_gtpv2_sgw_addr_ipv6, tvb, offset, m, ENC_NA); + offset += 16; + break; + default: + /* Error */ + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_len_invalid, tvb, 0, length, + "Wrong length %u, should be 4 or 16", m); + return; + } + + /* (m+7) to (m+10) + * Serving GW S1-U TEID + */ + proto_tree_add_item(tree, hf_gtpv2_sgw_s1u_teid, tvb, offset, 4, ENC_BIG_ENDIAN); + +} +/* + * 8.27 Delay Value + */ + +static void +dissect_gtpv2_delay_value(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_delay_value, tvb, offset, 1, ENC_BIG_ENDIAN); +} + +/* + * 8.28 Bearer Context (grouped IE) + */ + +static void +dissect_gtpv2_bearer_ctx(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree _U_, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + tvbuff_t *new_tvb; + proto_tree *grouped_tree; + + proto_item_append_text(item, "[Grouped IE]"); + grouped_tree = proto_item_add_subtree(item, ett_gtpv2_bearer_ctx); + + new_tvb = tvb_new_subset_length(tvb, offset, length); + dissect_gtpv2_ie_common(new_tvb, pinfo, grouped_tree, 0, message_type, args); +} + +/* 8.29 Charging ID */ +static void +dissect_gtpv2_charging_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_charging_id, tvb, offset, length, ENC_BIG_ENDIAN); +} + + + /* 8.30 Charging Characteristics + * The charging characteristics information element is defined in 3GPP TS 32.251 [8] + * and is a way of informing both the SGW and PGW of the rules for producing charging + * information based on operator configured triggers. For the encoding of this + * information element see 3GPP TS 32.298 [9]. + */ +static void +dissect_gtpv2_char_char(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_charging_characteristic, tvb, offset, 2, ENC_BIG_ENDIAN); + if (length > 2) { + offset += 2; + /* These octet(s) is/are present only if explicitly specified */ + proto_tree_add_item(tree, hf_gtpv2_charging_characteristic_remaining_octets, tvb, offset, length-2, ENC_NA); + } + +} + +/* + * 8.30 Bearer Flag + */ +static void +dissect_gtpv2_bearer_flag(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + + int offset = 0; + + /* Octet 5 Spare VB PPC */ + proto_tree_add_item(tree, hf_gtpv2_bearer_flag_ppc, tvb, offset, length, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_bearer_flag_vb, tvb, offset, length, ENC_BIG_ENDIAN); + +} +/* + * 8.34 PDN Type + */ +void +dissect_gtpv2_pdn_type(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + + int offset = 0; + guint8 pdn; + + if (length != 1) { + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_len_invalid, tvb, 0, length, + "Wrong length indicated. Expected 1, got %u", length); + return; + } + + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset << 3, 5, ENC_BIG_ENDIAN); + pdn = tvb_get_guint8(tvb, offset)& 0x7; + proto_tree_add_item(tree, hf_gtpv2_pdn_type, tvb, offset, length, ENC_BIG_ENDIAN); + proto_item_append_text(item, "%s", val_to_str_const(pdn, gtpv2_pdn_type_vals, "Unknown")); + +} + +/* + * 8.31 Trace Information + */ + /* List of NE Types */ +static int* const trace_ne_types_flags_oct1[] = { + &hf_gtpv2_tra_info_lne_sgw, + &hf_gtpv2_tra_info_lne_mme, + &hf_gtpv2_tra_info_lne_bm_sc, + &hf_gtpv2_tra_info_lne_rnc, + &hf_gtpv2_tra_info_lne_ggsn, + &hf_gtpv2_tra_info_lne_sgsn, + &hf_gtpv2_tra_info_lne_mgw, + &hf_gtpv2_tra_info_lne_msc_s, + NULL +}; + +static int* const trace_ne_types_flags_oct2[] = { + &hf_gtpv2_tra_info_tra_info_ng_ran_node, + &hf_gtpv2_tra_info_lne_upf, + &hf_gtpv2_tra_info_lne_pcf, + &hf_gtpv2_tra_info_lne_smf, + &hf_gtpv2_tra_info_lne_amf, + &hf_gtpv2_tra_info_lne_enb, + &hf_gtpv2_tra_info_lne_pdn_gw, + NULL +}; + +static void +dissect_gtpv2_tra_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree *trigg_tree, *msc_server_tree, *mgw_tree, *sgsn_tree, *ggsn_tree; + proto_tree *bm_sc_tree, *sgw_mme_tree, *sgw_tree, *pgw_tree, *ne_types_tree; + proto_tree *interfaces_tree, *imsc_server_tree, *lmgw_tree, *lsgsn_tree, *lggsn_tree, *lrnc_tree; + proto_tree *lbm_sc_tree, *lmme_tree, *lsgw_tree, *lpdn_gw_tree, *lenb_tree; + + int offset = 0; +#if 0 + guint8 *trace_id = NULL; +#endif + guint16 tid; + guint32 bit_offset; + + dissect_e212_mcc_mnc(tvb, pinfo, tree, 0, E212_NONE, TRUE); + offset += 3; + + /* Append Trace ID to main tree */ + tid = tvb_get_ntohs(tvb, offset); + proto_item_append_text(item, "Trace ID: %d ", tid); + + /* Trace ID */ + /*-------------------------------------------------- + * trace_id = tvb_format_text(tvb, offset, 2); + * proto_tree_add_string(tree, hf_gtpv2_tra_info, tvb, offset, length, trace_id); + *--------------------------------------------------*/ + proto_tree_add_item(tree, hf_gtpv2_trace_id, tvb, offset, 3, ENC_BIG_ENDIAN); + offset += 3; + + /* Triggering Events, put all into a new tree called triggering_tree */ + trigg_tree = proto_tree_add_subtree(tree, tvb, offset, 9, ett_gtpv2_tra_info_trigg, NULL, "Triggering Events"); + + /* Create all subtrees */ + msc_server_tree = proto_tree_add_subtree(trigg_tree, tvb, offset, 2, ett_gtpv2_tra_info_trigg_msc_server, NULL, "MSC Server"); + + mgw_tree = proto_tree_add_subtree(trigg_tree, tvb, offset + 2, 1, ett_gtpv2_tra_info_trigg_mgw, NULL, "MGW"); + + sgsn_tree = proto_tree_add_subtree(trigg_tree, tvb, offset + 3, 2, ett_gtpv2_tra_info_trigg_sgsn, NULL, "SGSN"); + + ggsn_tree = proto_tree_add_subtree(trigg_tree, tvb, offset + 5, 1, ett_gtpv2_tra_info_trigg_ggsn, NULL, "GGSN"); + + bm_sc_tree = proto_tree_add_subtree(trigg_tree, tvb, offset + 6, 1, ett_gtpv2_tra_info_trigg_bm_sc, NULL, "BM-SC"); + + sgw_mme_tree = proto_tree_add_subtree(trigg_tree, tvb, offset + 7, 1, ett_gtpv2_tra_info_trigg_sgw_mme, NULL, "SGW MME"); + + sgw_tree = proto_tree_add_subtree(trigg_tree, tvb, offset + 8, 1, ett_gtpv2_tra_info_trigg_sgw, NULL, "SGW"); + + pgw_tree = proto_tree_add_subtree(trigg_tree, tvb, offset + 8, 1, ett_gtpv2_tra_info_trigg_pgw, NULL, "PGW"); + + /* MSC Server - 2 octets */ + proto_tree_add_item(msc_server_tree, hf_gtpv2_tra_info_msc_momt_calls, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(msc_server_tree, hf_gtpv2_tra_info_msc_momt_sms, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(msc_server_tree, hf_gtpv2_tra_info_msc_lu_imsi_ad, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(msc_server_tree, hf_gtpv2_tra_info_msc_handovers, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(msc_server_tree, hf_gtpv2_tra_info_msc_ss, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(msc_server_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 3, ENC_BIG_ENDIAN); + offset += 1; + bit_offset = offset << 3; + proto_tree_add_bits_item(msc_server_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 8, ENC_BIG_ENDIAN); + offset += 1; + + /* MGW - 1 octet */ + proto_tree_add_item(mgw_tree, hf_gtpv2_tra_info_mgw_context, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(mgw_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 7, ENC_BIG_ENDIAN); + offset += 1; + /* SGSN - 2 octets */ + proto_tree_add_item(sgsn_tree, hf_gtpv2_tra_info_sgsn_pdp_context, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(sgsn_tree, hf_gtpv2_tra_info_sgsn_momt_sms, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(sgsn_tree, hf_gtpv2_tra_info_sgsn_rau_gprs_ad, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(sgsn_tree, hf_gtpv2_tra_info_sgsn_mbms, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(sgsn_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 4, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(sgsn_tree, hf_gtpv2_tra_info_sgsn_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* GGSN - 1 octet */ + proto_tree_add_item(ggsn_tree, hf_gtpv2_tra_info_ggsn_pdp, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(ggsn_tree, hf_gtpv2_tra_info_ggsn_mbms, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(ggsn_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 6, ENC_BIG_ENDIAN); + offset += 1; + /* BM-SC - 1 octet */ + proto_tree_add_item(bm_sc_tree, hf_gtpv2_tra_info_bm_sc, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(bm_sc_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 7, ENC_BIG_ENDIAN); + offset += 1; + /* MME/SGW - 1 octet */ + proto_tree_add_item(sgw_mme_tree, hf_gtpv2_tra_info_mme_sgw_ss, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(sgw_mme_tree, hf_gtpv2_tra_info_mme_sgw_sr, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(sgw_mme_tree, hf_gtpv2_tra_info_mme_sgw_iataud, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(sgw_mme_tree, hf_gtpv2_tra_info_mme_sgw_ue_init_pdn_disc, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(sgw_mme_tree, hf_gtpv2_tra_info_mme_sgw_bearer_act_mod_del, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(sgw_mme_tree, hf_gtpv2_tra_info_mme_sgw_ho, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(sgw_mme_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 2, ENC_BIG_ENDIAN); + offset += 1; + /* PGW/SGW - 1 octet */ + proto_tree_add_item(sgw_tree, hf_gtpv2_tra_info_sgw_pdn_con_creat, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(sgw_tree, hf_gtpv2_tra_info_sgw_pdn_con_term, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(sgw_tree, hf_gtpv2_tra_info_sgw_bearer_act_mod_del, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = (offset << 3) + 4; + proto_tree_add_bits_item(sgw_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(pgw_tree, hf_gtpv2_tra_info_pgw_pdn_con_creat, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(pgw_tree, hf_gtpv2_tra_info_pgw_pdn_con_term, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(pgw_tree, hf_gtpv2_tra_info_pgw_bearer_act_mod_del, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(pgw_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Create NE Types subtree */ + ne_types_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_gtpv2_tra_info_ne_types, NULL, "List of NE Types"); + + proto_tree_add_bitmask_list(tree, tvb, offset, 1, trace_ne_types_flags_oct1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_bitmask_list(tree, tvb, offset, 1, trace_ne_types_flags_oct2, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(ne_types_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Trace Depth Length */ + proto_tree_add_item(tree, hf_gtpv2_tra_info_tdl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Set up subtree interfaces and put all interfaces under it */ + interfaces_tree = proto_tree_add_subtree(tree, tvb, offset, 12, ett_gtpv2_tra_info_interfaces, NULL, "List of Interfaces"); + + /* Create all subtrees */ + imsc_server_tree = proto_tree_add_subtree(interfaces_tree, tvb, offset, 2, ett_gtpv2_tra_info_interfaces_imsc_server, NULL, "MSC Server"); + + lmgw_tree = proto_tree_add_subtree(interfaces_tree, tvb, offset + 2, 1, ett_gtpv2_tra_info_interfaces_lmgw, NULL, "MGW"); + + lsgsn_tree = proto_tree_add_subtree(interfaces_tree, tvb, offset + 3, 2, ett_gtpv2_tra_info_interfaces_lsgsn, NULL, "SGSN"); + + lggsn_tree = proto_tree_add_subtree(interfaces_tree, tvb, offset + 5, 1, ett_gtpv2_tra_info_interfaces_lggsn, NULL, "GGSN"); + + lrnc_tree = proto_tree_add_subtree(interfaces_tree, tvb, offset + 6, 1, ett_gtpv2_tra_info_interfaces_lrnc, NULL, "RNC"); + + lbm_sc_tree = proto_tree_add_subtree(interfaces_tree, tvb, offset + 7, 1, ett_gtpv2_tra_info_interfaces_lbm_sc, NULL, "BM-SC"); + + lmme_tree = proto_tree_add_subtree(interfaces_tree, tvb, offset + 8, 1, ett_gtpv2_tra_info_interfaces_lmme, NULL, "MME"); + + lsgw_tree = proto_tree_add_subtree(interfaces_tree, tvb, offset + 9, 1,ett_gtpv2_tra_info_interfaces_lsgw, NULL, "SGW"); + + lpdn_gw_tree = proto_tree_add_subtree(interfaces_tree, tvb, offset + 10, 1, ett_gtpv2_tra_info_interfaces_lpdn_gw, NULL, "PDN GW"); + + lenb_tree = proto_tree_add_subtree(interfaces_tree, tvb, offset + 11, 1, ett_gtpv2_tra_info_interfaces_lpdn_lenb, NULL, "eNB"); + + /* MSC Server - 2 octets */ + proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_a, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_lu, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_mc, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_map_g, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_map_b, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_map_e, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_map_f, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_cap, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_map_d, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(imsc_server_tree, hf_gtpv2_tra_info_lmsc_map_c, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(imsc_server_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 6, ENC_BIG_ENDIAN); + offset += 1; + /* MGW - 1 octet */ + proto_tree_add_item(lmgw_tree, hf_gtpv2_tra_info_lmgw_mc, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lmgw_tree, hf_gtpv2_tra_info_lmgw_nb_up, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lmgw_tree, hf_gtpv2_tra_info_lmgw_lu_up, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(lmgw_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 5, ENC_BIG_ENDIAN); + offset += 1; + /* SGSN - 2 octets */ + proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_gb, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_lu, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_gn, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_map_gr, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_map_gd, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_map_gf, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_gs, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lsgsn_tree, hf_gtpv2_tra_info_lsgsn_ge, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + bit_offset = offset << 3; + proto_tree_add_bits_item(lsgsn_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 8, ENC_BIG_ENDIAN); + offset += 1; + + /* GGSN - 1 octet */ + proto_tree_add_item(lggsn_tree, hf_gtpv2_tra_info_lggsn_gn, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lggsn_tree, hf_gtpv2_tra_info_lggsn_gi, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lggsn_tree, hf_gtpv2_tra_info_lggsn_gmb, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(lggsn_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 5, ENC_BIG_ENDIAN); + offset += 1; + /* RNC - 1 octet */ + proto_tree_add_item(lrnc_tree, hf_gtpv2_tra_info_lrnc_lu, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lrnc_tree, hf_gtpv2_tra_info_lrnc_lur, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lrnc_tree, hf_gtpv2_tra_info_lrnc_lub, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lrnc_tree, hf_gtpv2_tra_info_lrnc_uu, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(lrnc_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 4, ENC_BIG_ENDIAN); + offset += 1; + /* BM_SC - 1 octet */ + proto_tree_add_item(lbm_sc_tree, hf_gtpv2_tra_info_lbm_sc_gmb, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(lbm_sc_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 7, ENC_BIG_ENDIAN); + offset += 1; + /* MME - 1 octet */ + proto_tree_add_item(lmme_tree, hf_gtpv2_tra_info_lmme_s1_mme, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lmme_tree, hf_gtpv2_tra_info_lmme_s3, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lmme_tree, hf_gtpv2_tra_info_lmme_s6a, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lmme_tree, hf_gtpv2_tra_info_lmme_s10, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lmme_tree, hf_gtpv2_tra_info_lmme_s11, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(lmme_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 3, ENC_BIG_ENDIAN); + offset += 1; + /* SGW - 1 octet */ + proto_tree_add_item(lsgw_tree, hf_gtpv2_tra_info_lsgw_s4, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lsgw_tree, hf_gtpv2_tra_info_lsgw_s5, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lsgw_tree, hf_gtpv2_tra_info_lsgw_s8b, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lsgw_tree, hf_gtpv2_tra_info_lsgw_s11, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(lsgw_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 4, ENC_BIG_ENDIAN); + offset += 1; + /* PDN GW - 1 octet */ + proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_s2a, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_s2b, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_s2c, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_s5, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_s6c, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_gx, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_s8b, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lpdn_gw_tree, hf_gtpv2_tra_info_lpdn_gw_sgi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* eNB - 1 octet */ + proto_tree_add_item(lenb_tree, hf_gtpv2_tra_info_lenb_s1_mme, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lenb_tree, hf_gtpv2_tra_info_lenb_x2, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(lenb_tree, hf_gtpv2_tra_info_lenb_uu, tvb, offset, 1, ENC_BIG_ENDIAN); + bit_offset = offset << 3; + proto_tree_add_bits_item(lenb_tree, hf_gtpv2_spare_bits, tvb, bit_offset, 5, ENC_BIG_ENDIAN); + + /*-------------------------------------------------- + * offset += 1; + *--------------------------------------------------*/ + + /* IP Address of Trace Collection Entity */ + while ( (offset + 4) <= length ) { + offset += 1; + proto_tree_add_item(tree, hf_gtpv2_ipv4_addr, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 3; + } +} + +/* + * 8.33 Paging Cause + * 8.33 Void (TS 129 274 V9.4.0 (2010-10)) + */ + +/* 8.35 Procedure Transaction ID (PTI) */ +static void +dissect_gtpv2_pti(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_item(tree, hf_gtpv2_pti, tvb, 0, 1, ENC_BIG_ENDIAN); +} +/* + * 8.36 DRX Parameter + */ +static void +dissect_gtpv2_drx_param(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + /* 36.413 : 9.2.1.17 Paging Cause, void */ + proto_tree_add_item(tree, hf_gtpv2_drx_parameter, tvb, offset, length, ENC_NA); +} + +/* + * 8.37 UE Network Capability + * UE Network Capability is coded as depicted in Figure 8.37-1. Actual coding of the UE Network Capability field is + * defined in 3GPP TS 24.301 + */ +static void +dissect_gtpv2_ue_net_capability(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + de_emm_ue_net_cap(tvb, tree, pinfo, 0, length, NULL, 0); + +} +/* + * 8.38 MM Context + */ +static const value_string gtpv2_mm_context_security_mode[] = { + {0, "GSM Key and Triplets"}, + {1, "UMTS Key, Used Cipher and Quintuplets"}, + {2, "GSM Key, Used Cipher and Quintuplets"}, + {3, "UMTS Key and Quintuplets"}, + {4, "EPS Security Context, Quadruplets and Quintuplets" }, + {5, "UMTS Key, Quadruplets and Quintuplets"}, + {0, NULL } +}; + +static const true_false_string gtpv2_nhi_vals = { + "NH (Next Hop) and NCC (Next Hop Chaining Count) are both present", + "NH (Next Hop) and NCC (Next Hop Chaining Count) not present", +}; + +/* Table 8.38-2: Used NAS Cipher Values */ + +static const value_string gtpv2_mm_context_unc_vals[] = { + {0, "No ciphering"}, + {1, "128-EEA1"}, + {2, "128-EEA2"}, + {3, "128-EEA3"}, + {4, "EEA4" }, + {5, "EEA5"}, + {6, "EEA6"}, + {7, "EEA7"}, + {0, NULL} +}; + +/* Table 8.38-3: Used Cipher Values */ +static const value_string gtpv2_mm_context_used_cipher_vals[] = { + {0, "No ciphering"}, + {1, "GEA/1"}, + {2, "GEA/2"}, + {3, "GEA/3"}, + {4, "GEA/4" }, + {5, "GEA/5"}, + {6, "GEA/6"}, + {7, "GEA/7"}, + {0, NULL} +}; + +/* Table 8.38-4: Used NAS integrity protection algorithm Values */ +static const value_string gtpv2_mm_context_unipa_vals[] = { + {0, "No integrity protection"}, + {1, "128-EIA1"}, + {2, "128-EIA2"}, + {3, "128-EIA3"}, + {4, "EIA4" }, + {5, "EIA5"}, + {6, "EIA6"}, + {7, "EIA7"}, + {0, NULL} +}; + +/* Table 8.38-6: EPS NAS Security Context Type Values */ +static const value_string gtpv2_mm_context_eps_nas_security_context_type_vals[] = { + {0, "Reporting EPS NAS Security Context Type is not supported"}, + {1, "Native EPS NAS Security Context Type"}, + {2, "Mapped EPS NAS Security Context Type"}, + {0, NULL} +}; + +/* Helper functions */ + +/* Figure 8.38-7: Authentication Triplet */ +static int +dissect_gtpv2_authentication_triplets(tvbuff_t *tvb, proto_tree *tree, int offset, guint8 num_triplet) +{ + proto_tree *auth_tri_tree; + int i; + + for (i = 0; i < num_triplet; i++) { + auth_tri_tree = proto_tree_add_subtree_format(tree, tvb, offset, 0, + ett_gtpv2_mm_context_auth_tri, NULL, "Authentication Triplet %u", i); + /* + * Figure 8.38-8: Authentication Quintuplet + * 1 to 16 RAND + * 17 to 20 SRES + * 21 to 28 Kc + */ + proto_tree_add_item(auth_tri_tree, hf_gtpv2_mm_context_rand, tvb, offset, 16, ENC_NA); + offset += 16; + proto_tree_add_item(auth_tri_tree, hf_gtpv2_mm_context_sres, tvb, offset, 4, ENC_NA); + offset += 4; + proto_tree_add_item(auth_tri_tree, hf_gtpv2_mm_context_kc, tvb, offset, 8, ENC_NA); + offset += 8; + + } + + return offset; +} + +static int +dissect_gtpv2_authentication_quintuplets(tvbuff_t *tvb, proto_tree *tree, int offset, guint8 nr_qui) +{ + proto_tree *auth_qui_tree; + int i; + guint32 tmp; + + for (i = 0; i < nr_qui; i++) { + auth_qui_tree = proto_tree_add_subtree_format(tree, tvb, offset, 0, + ett_gtpv2_mm_context_auth_qui, NULL, "Authentication Quintuplet %u", i); + /* + * Figure 8.38-8: Authentication Quintuplet + * 1 to 16 RAND + * 17 XRES Length + * 18 to m XRES + * (m+1) to (m+16) CK + * (m+17) to (m+32) IK + * m+33 AUTN Length + * (m+34) to n AUTN + */ + proto_tree_add_item(auth_qui_tree, hf_gtpv2_mm_context_rand, tvb, offset, 16, ENC_NA); + offset += 16; + proto_tree_add_item_ret_uint(auth_qui_tree, hf_gtpv2_mm_context_xres_len, tvb, offset, 1, ENC_NA, &tmp); + offset += 1; + proto_tree_add_item(auth_qui_tree, hf_gtpv2_mm_context_xres, tvb, offset, tmp, ENC_NA); + offset += tmp; + proto_tree_add_item(auth_qui_tree, hf_gtpv2_ck, tvb, offset, 16, ENC_NA); + offset += 16; + proto_tree_add_item(auth_qui_tree, hf_gtpv2_ik, tvb, offset, 16, ENC_NA); + offset += 16; + proto_tree_add_item_ret_uint(auth_qui_tree, hf_gtpv2_mm_context_autn_len, tvb, offset, 1, ENC_NA, &tmp); + offset += 1; + proto_tree_add_item(auth_qui_tree, hf_gtpv2_mm_context_autn, tvb, offset, tmp, ENC_NA); + offset += tmp; + } + + return offset; + +} + +static int +dissect_gtpv2_authentication_quadruplets(tvbuff_t *tvb, proto_tree *tree, int offset, guint8 nr_qui) +{ + proto_tree *auth_qua_tree; + guint32 tmp; + int i; + + for (i = 0; i < nr_qui; i++) { + auth_qua_tree = proto_tree_add_subtree_format(tree, tvb, offset, 0, + ett_gtpv2_mm_context_auth_qua, NULL, "Authentication Quadruplet %u",i+1); + + proto_tree_add_item(auth_qua_tree, hf_gtpv2_mm_context_rand, tvb, offset, 16, ENC_NA); + offset += 16; + + proto_tree_add_item_ret_uint(auth_qua_tree, hf_gtpv2_mm_context_xres_len, tvb, offset, 1, ENC_NA, &tmp); + offset++; + + proto_tree_add_item(auth_qua_tree, hf_gtpv2_mm_context_xres, tvb, offset, tmp, ENC_NA); + offset += tmp; + + proto_tree_add_item_ret_uint(auth_qua_tree, hf_gtpv2_mm_context_autn_len, tvb, offset, 1, ENC_NA, &tmp); + offset++; + + proto_tree_add_item(auth_qua_tree, hf_gtpv2_mm_context_autn, tvb, offset, tmp, ENC_NA); + offset += tmp; + + proto_tree_add_item(tree, hf_gtpv2_mm_context_kasme, tvb, offset, 32, ENC_NA); + + offset += 32; + } + return offset; +} + +static const value_string gtpv2_mm_context_higher_br_16mb_flg_vals[] = { + {0, "Not allowed"}, + {1, "Allowed"}, + {0, NULL} +}; + +static int +dissect_gtpv2_mm_context_common_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, guint8 samb_ri, guint8 uamb_ri) +{ + proto_tree *net_cap_tree, *msnt_cap_tree; + guint8 ue_net_cap_len, ms_net_cap_len, mei_len; + + /* + * If SAMBRI (Subscribed UE AMBR Indicator), bit 1 of octet 6, is set to "1", + * then the Uplink/downlink Subscribed UE AMBR parameter field is present, + */ + if (samb_ri) { + /* j to (j+3) Uplink Subscribed UE AMBR */ + proto_tree_add_item(tree, hf_gtpv2_uplink_subscribed_ue_ambr, tvb, offset, 4, ENC_BIG_ENDIAN); + + offset += 4; + /* (j+4) to (j+7) Downlink Subscribed UE AMBR */ + proto_tree_add_item(tree, hf_gtpv2_downlink_subscribed_ue_ambr, tvb, offset, 4, ENC_BIG_ENDIAN); + + offset += 4; + } + /* + * If UAMBRI (Used UE AMBR Indicator), bit 2 of octet 6, is set to "1", + * then the Uplink/downlink Used UE AMBR parameter field is present + */ + if (uamb_ri) { + /* i to (i+3) Uplink Used UE AMBR */ + proto_tree_add_item(tree, hf_gtpv2_uplink_used_ue_ambr, tvb, offset, 4, ENC_BIG_ENDIAN); + + offset += 4; + /* (i+4) to (i+7) Downlink Used UE AMBR */ + proto_tree_add_item(tree, hf_gtpv2_downlink_used_ue_ambr, tvb, offset, 4, ENC_BIG_ENDIAN); + + offset += 4; + } + /* q Length of UE Network Capability */ + ue_net_cap_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_mm_context_ue_net_cap_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* (q+1) to k UE Network Capability */ + if (ue_net_cap_len) { + /* The UE Network Capability coding is specified in clause 9.9.3.34 of 3GPP TS 24.301 [23]. + * If Length of UE Network Capability is zero, then the UE Network Capability parameter + * shall not be present. + */ + net_cap_tree = proto_tree_add_subtree(tree, tvb, offset, ue_net_cap_len, + ett_gtpv2_mm_context_net_cap, NULL, "UE Network Capability"); + offset += de_emm_ue_net_cap(tvb, net_cap_tree, pinfo, offset, ue_net_cap_len, NULL, 0); + } + /* k+1 Length of MS Network Capability */ + ms_net_cap_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_mm_context_ms_net_cap_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* (k+2) to m MS Network Capability + * The MS Network Capability coding is specified in clause 10.5.5.12 of 3GPP TS 24.008 [5]. + * If Length of MS Network Capability is zero, then the MS Network Capability parameter shall not be present. + */ + if (ms_net_cap_len) { + msnt_cap_tree = proto_tree_add_subtree(tree, tvb, offset, ms_net_cap_len, + ett_gtpv2_ms_network_capability, NULL, "MS network capability"); + offset += de_gmm_ms_net_cap(tvb, msnt_cap_tree, pinfo, offset, ms_net_cap_len, NULL, 0); + } + /* m+1 Length of Mobile Equipment Identity (MEI) */ + mei_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_mm_context_mei_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* (m+2) to r Mobile Equipment Identity (MEI) */ + if (mei_len) { + proto_tree_add_item(tree, hf_gtpv2_mei, tvb, offset, mei_len, ENC_BCD_DIGITS_0_9); + offset += mei_len; + } + return offset; +} + +static int +dissect_gtpv2_access_restriction_data(tvbuff_t *tvb, proto_tree *tree, int offset) +{ + proto_tree *accrstdata_tree; + + accrstdata_tree = proto_tree_add_subtree(tree, tvb, offset, 1, ett_gtpv2_access_rest_data, NULL, "Access restriction data"); + /* Spare HNNA ENA INA GANA GENA UNA */ + proto_tree_add_bits_item(accrstdata_tree, hf_gtpv2_spare_bits, tvb, (offset << 3), 1, ENC_BIG_ENDIAN); + proto_tree_add_item(accrstdata_tree, hf_gtpv2_hbna, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(accrstdata_tree, hf_gtpv2_hnna, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(accrstdata_tree, hf_gtpv2_ena, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(accrstdata_tree, hf_gtpv2_ina, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(accrstdata_tree, hf_gtpv2_gana, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(accrstdata_tree, hf_gtpv2_gena, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(accrstdata_tree, hf_gtpv2_una, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + return offset; +} + +/* Type = 103 (decimal) + * Figure 8.38-1: GSM Key and Triplets + */ +static void +dissect_gtpv2_mm_context_gsm_t(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree *flag_tree; + int offset; + guint8 oct, drxi, num_triplet, uamb_ri, samb_ri; + + offset = 0; + flag_tree = proto_tree_add_subtree(tree, tvb, offset, 3, ett_gtpv2_mm_context_flag, NULL, "MM Context flags"); + + /* Octet 5 */ + /* Security Mode | Spare | DRXI | CKSN */ + drxi = (tvb_get_guint8(tvb, offset) & 0x08) >> 3; + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_sm, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, offset << 3, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_drxi, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_cksn, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* Octet 6 */ + /* Number of Triplet | Spare | UAMB RI | SAMB RI */ + oct = tvb_get_guint8(tvb, offset); + num_triplet = oct >> 5; + uamb_ri = (oct & 0x02) >> 1; + samb_ri = oct & 0x01; + + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_tri, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, (offset << 3) + 3, 3, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_uamb_ri, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_bits_item(flag_tree, hf_gtpv2_mm_context_samb_ri, tvb, (offset << 3) + 7, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Octet 7 Spare Used Cipher */ + proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, ((offset << 3)), 5, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_used_cipher, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* 8 to 15 Kc */ + proto_tree_add_item(tree, hf_gtpv2_mm_context_kc, tvb, offset, 8, ENC_NA); + offset += 8; + + /* 16 to h Authentication Triplet [0..4] */ + if (num_triplet) { + dissect_gtpv2_authentication_triplets(tvb, tree, offset, num_triplet); + } + + /* + * (h+1) to (h+2) DRX parameter + */ + if (drxi) { + proto_tree_add_item(tree, hf_gtpv2_mm_context_drx, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + } + + /* Dissect octet j to r */ + offset = dissect_gtpv2_mm_context_common_data(tvb, pinfo, tree, offset, samb_ri, uamb_ri); + + proto_tree_add_expert_format(flag_tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, -1, "The rest of the IE not dissected yet"); +} + +/* Type = 104 (decimal) + * Figure 8.38-2: UMTS Key, Used Cipher and Quintuplets + */ +static void +dissect_gtpv2_mm_context_utms_cq(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree *flag_tree; + int offset; + guint8 oct, drxi, nr_qui, uamb_ri, samb_ri, vdp_len, hbr_len; + + offset = 0; + flag_tree = proto_tree_add_subtree(tree, tvb, offset, 3, ett_gtpv2_mm_context_flag, NULL, "MM Context flags"); + + /* Octet 5 */ + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_sm, tvb, offset, 1, ENC_BIG_ENDIAN); + drxi = (tvb_get_guint8(tvb, offset) & 0x08) >> 3; + proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, ((offset << 3) + 3), 1, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_drxi, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_cksn_ksi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* Octet 6 */ + oct = tvb_get_guint8(tvb, offset); + nr_qui = oct >> 5; + uamb_ri = (oct & 0x02) >> 1; + samb_ri = oct & 0x01; + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_qui, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, (offset << 3) + 3, 3, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_uamb_ri, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_bits_item(flag_tree, hf_gtpv2_mm_context_samb_ri, tvb, (offset << 3) + 7, 1, ENC_BIG_ENDIAN); + offset += 1; + /* Octet 7 Spare Used Cipher */ + proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, ((offset << 3)), 5, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_used_cipher, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Octet 8 to 23 CK */ + proto_tree_add_item(tree, hf_gtpv2_ck, tvb, offset, 16, ENC_NA); + offset += 16; + /* Octet 24 to 39 IK */ + proto_tree_add_item(tree, hf_gtpv2_ik, tvb, offset, 16, ENC_NA); + offset += 16; + + /* + * 40 to h Authentication Quintuplet [0..4] + */ + if (nr_qui) { + offset = dissect_gtpv2_authentication_quintuplets(tvb, tree, offset, nr_qui); + } + + /* + * (h+1) to (h+2) DRX parameter + */ + if (drxi) { + proto_tree_add_item(tree, hf_gtpv2_mm_context_drx, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + } + + + /* Dissect octet j to r */ + offset = dissect_gtpv2_mm_context_common_data(tvb, pinfo, tree, offset, samb_ri, uamb_ri); + + /* r+1 Spare HNNA ENA INA GANA GENA UNA + * The Access restriction data is composed of UNA(UTRAN Not Allowed), GENA(GERAN Not Allowed), + * GANA(GAN Not Allowed), INA(I-HSPA-Evolution Not Allowed), ENA(E-UTRAN Not Allowed) and + * HNNA(HO-To-Non-3GPPAccess Not Allowed). + */ + if (offset < (gint)length) { + offset = dissect_gtpv2_access_restriction_data(tvb, tree, offset); + } else { + return; + } + if (offset == (gint)length) { + return; + } + + /* r+2 Length of Voice Domain Preference and UE's Usage Setting */ + vdp_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_mm_context_vdp_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* (r+3) to s Voice Domain Preference and UE's Usage Setting */ + if (vdp_len) { + proto_tree_add_item(tree, hf_gtpv2_voice_domain_and_ue_usage_setting, tvb, offset, vdp_len, ENC_NA); + offset += vdp_len; + } + + /* s+1 Length of Higher bitrates than 16 Mbps flag */ + if (offset == (gint)length) { + hbr_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_mm_context_higher_br_16mb_flg_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* s+2 Higher bitrates than 16 Mbps flag */ + if (hbr_len) { + proto_tree_add_item(tree, hf_gtpv2_mm_context_higher_br_16mb_flg, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += hbr_len; + } + } else { + return; + } + + proto_tree_add_expert_format(flag_tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, -1, "The rest of the IE not dissected yet"); + +} + +/* Type = 105 (decimal) + * Figure 8.38-3: GSM Key, Used Cipher and Quintuplets + */ +static void +dissect_gtpv2_mm_context_gsm_cq(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree *flag_tree; + int offset; + guint8 oct, drxi, nr_qui, uamb_ri, samb_ri, vdp_len, hbr_len; + + offset = 0; + flag_tree = proto_tree_add_subtree(tree, tvb, offset, 3, ett_gtpv2_mm_context_flag, NULL, "MM Context flags"); + + /* Octet 5 */ + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_sm, tvb, offset, 1, ENC_BIG_ENDIAN); + drxi = (tvb_get_guint8(tvb, offset) & 0x08) >> 3; + proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, ((offset << 3) + 3), 1, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_drxi, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_cksn_ksi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* Octet 6 */ + oct = tvb_get_guint8(tvb, offset); + nr_qui = oct >> 5; + uamb_ri = (oct & 0x02) >> 1; + samb_ri = oct & 0x01; + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_qui, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, (offset << 3) + 3, 3, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_uamb_ri, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_bits_item(flag_tree, hf_gtpv2_mm_context_samb_ri, tvb, (offset << 3) + 7, 1, ENC_BIG_ENDIAN); + offset += 1; + /* Octet 7 Spare Used Cipher */ + proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, ((offset << 3)), 5, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_used_cipher, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* 8 to 15 Kc */ + proto_tree_add_item(tree, hf_gtpv2_mm_context_kc, tvb, offset, 8, ENC_NA); + offset += 8; + + /* + * 40 to h Authentication Quintuplet [0..4] + */ + if (nr_qui) { + offset = dissect_gtpv2_authentication_quintuplets(tvb, tree, offset, nr_qui); + } + + /* + * (h+1) to (h+2) DRX parameter + */ + if (drxi) { + proto_tree_add_item(tree, hf_gtpv2_mm_context_drx, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + } + + + /* Dissect octet j to r */ + offset = dissect_gtpv2_mm_context_common_data(tvb, pinfo, tree, offset, samb_ri, uamb_ri); + + /* r+1 Spare HNNA ENA INA GANA GENA UNA + * The Access restriction data is composed of UNA(UTRAN Not Allowed), GENA(GERAN Not Allowed), + * GANA(GAN Not Allowed), INA(I-HSPA-Evolution Not Allowed), ENA(E-UTRAN Not Allowed) and + * HNNA(HO-To-Non-3GPPAccess Not Allowed). + */ + if (offset < (gint)length) { + offset = dissect_gtpv2_access_restriction_data(tvb, tree, offset); + } else { + return; + } + if (offset == (gint)length) { + return; + } + + /* r+2 Length of Voice Domain Preference and UE's Usage Setting */ + vdp_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_mm_context_vdp_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* (r+3) to s Voice Domain Preference and UE's Usage Setting */ + if (vdp_len) { + proto_tree_add_item(tree, hf_gtpv2_voice_domain_and_ue_usage_setting, tvb, offset, vdp_len, ENC_NA); + offset += vdp_len; + } + + /* s+1 Length of Higher bitrates than 16 Mbps flag */ + if (offset < (gint)length) { + hbr_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_mm_context_higher_br_16mb_flg_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* s+2 Higher bitrates than 16 Mbps flag */ + if (hbr_len) { + proto_tree_add_item(tree, hf_gtpv2_mm_context_higher_br_16mb_flg, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += hbr_len; + } + } else { + return; + } + + proto_tree_add_expert_format(flag_tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, -1, "The rest of the IE not dissected yet"); + +} + +/* Type = 106 (decimal) + * Figure 8.38-4: UMTS Key and Quintuplets + */ +static void +dissect_gtpv2_mm_context_utms_q(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree *flag_tree; + int offset; + guint8 oct, drxi, nr_qui, uamb_ri, samb_ri, vdp_len, hbr_len, ear_len; + + offset = 0; + flag_tree = proto_tree_add_subtree(tree, tvb, offset, 3, ett_gtpv2_mm_context_flag, NULL, "MM Context flags"); + + /* Octet 5 */ + /* Security Mode Spare DRXI KSI */ + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_sm, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, ((offset << 3) + 3), 1, ENC_BIG_ENDIAN); + drxi = (tvb_get_guint8(tvb, offset) & 0x08) >> 3; + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_drxi, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_ksi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* Octet 6 */ + /* Number of Quintuplets Spare UAMB RI SAMB RI */ + oct = tvb_get_guint8(tvb, offset); + nr_qui = oct >> 5; + uamb_ri = (oct & 0x02) >> 1; + samb_ri = oct & 0x01; + + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_qui, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, (offset << 3) + 3, 3, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_uamb_ri, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_bits_item(flag_tree, hf_gtpv2_mm_context_samb_ri, tvb, (offset << 3) + 7, 1, ENC_BIG_ENDIAN); + offset += 1; + /* Octet 7 Spare */ + proto_tree_add_item(flag_tree, hf_gtpv2_spare, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* Octet 8 to 23 CK */ + proto_tree_add_item(tree, hf_gtpv2_ck, tvb, offset, 16, ENC_NA); + offset += 16; + /* Octet 24 to 39 IK */ + proto_tree_add_item(tree, hf_gtpv2_ik, tvb, offset, 16, ENC_NA); + offset += 16; + + /* + * 40 to h Authentication Quintuplet [0..4] + */ + if (nr_qui) { + offset = dissect_gtpv2_authentication_quintuplets(tvb, tree, offset, nr_qui); + } + + /* + * (h+1) to (h+2) DRX parameter + */ + if (drxi) { + proto_tree_add_item(tree, hf_gtpv2_mm_context_drx, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + } + + + /* Dissect octet j to r */ + offset = dissect_gtpv2_mm_context_common_data(tvb, pinfo, tree, offset, samb_ri, uamb_ri); + + /* r+1 Spare HNNA ENA INA GANA GENA UNA + * The Access restriction data is composed of UNA(UTRAN Not Allowed), GENA(GERAN Not Allowed), + * GANA(GAN Not Allowed), INA(I-HSPA-Evolution Not Allowed), ENA(E-UTRAN Not Allowed) and + * HNNA(HO-To-Non-3GPPAccess Not Allowed). + */ + if (offset < (gint)length) { + offset = dissect_gtpv2_access_restriction_data(tvb, tree, offset); + } else { + return; + } + if (offset == (gint)length) { + return; + } + + /* r+2 Length of Voice Domain Preference and UE's Usage Setting */ + vdp_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_mm_context_vdp_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* (r+3) to s Voice Domain Preference and UE's Usage Setting */ + if (vdp_len) { + proto_tree_add_item(tree, hf_gtpv2_voice_domain_and_ue_usage_setting, tvb, offset, vdp_len, ENC_NA); + offset += vdp_len; + } + + /* s+1 Length of Higher bitrates than 16 Mbps flag */ + if (offset < (gint)length) { + hbr_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_mm_context_higher_br_16mb_flg_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* s+2 Higher bitrates than 16 Mbps flag */ + if (hbr_len) { + proto_tree_add_item(tree, hf_gtpv2_mm_context_higher_br_16mb_flg, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += hbr_len; + } + } else { + return; + } + + /* s+3 IOV_updates counter */ + if (offset < (gint)length) { + proto_tree_add_item(tree, hf_gtpv2_mm_context_iov_updates_counter, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + } else { + return; + } + /* s+4 Length of Extended Access Restriction Data */ + if (offset < (gint)length) { + ear_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_mm_context_ear_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + static int * const ear_flags[] = { + &hf_gtpv2_mm_context_nrsrna, + NULL + }; + proto_tree_add_bitmask_list(tree, tvb, offset, 1, ear_flags, ENC_BIG_ENDIAN); + offset += 1; + if (ear_len > 1) { + proto_tree_add_expert_format(flag_tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, -1, "The rest of the IE not dissected yet"); + offset += ear_len - 1; + } + } else { + return; + } + + if (offset == (gint)length) { + return; + } + /* ts+1) to (n+4) These octet(s) is/are present only if explicitly specified */ + proto_tree_add_expert_format(flag_tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, -1, "The rest of the IE not dissected yet"); + +} + +/* 8.38 MM Context + * Type = 107 (decimal) + * Figure 8.38-5: EPS Security Context and Quadruplets + */ +static void +dissect_gtpv2_mm_context_eps_qq(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_item *qua_item, *qui_item; + proto_tree *flag_tree, *qua_tree, *qui_tree, *sc_tree; + gint offset; + guint8 tmp, nhi, drxi, nr_qua, nr_qui, uamb_ri, osci, samb_ri, vdp_len; + guint32 dword, paging_len, ue_add_sec_cap_len, ex_access_res_data_len, ue_nr_sec_cap_len, apn_rte_ctrl_sts_len, ie_len; + + offset = 0; + + flag_tree = proto_tree_add_subtree(tree, tvb, offset, 3, ett_gtpv2_mm_context_flag, NULL, "MM Context flags"); + + /* Octet 5 + * Bits + * 8 7 6 5 4 3 2 1 + * Security Mode | NHI | DRXI | KSIASME + */ + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_sm, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nhi, tvb, offset, 1, ENC_BIG_ENDIAN); + /* If NHI (Next Hop Indicator), bit 5 of octet 5, is set to "1", + * then the optional parameters NH (Next Hop) and NCC (Next + * Hop Chaining Count) are both present, otherwise their octets are not present. + */ + tmp = tvb_get_guint8(tvb, offset); + nhi = (tmp & 0x10) >> 4; + drxi = (tmp & 0x08) >> 3; + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_drxi, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_ksi_a, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Octet 6 + * Bits + * 8 7 6 5 4 3 2 1 + * Number of | Number of | UAMB | OSCI + * Quintuplets | Quadruplet | RI | + */ + tmp = tvb_get_guint8(tvb, offset); + nr_qui = (tmp & 0xe0) >> 5; + nr_qua = tmp & 0x1c; + nr_qua >>= 2; + uamb_ri = (tmp & 0x2) >> 1; + osci = tmp & 1; + + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_qui, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_qua, tvb, offset, 1, ENC_BIG_ENDIAN); + /* UAMB RI */ + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_uamb_ri, tvb, offset, 1, ENC_BIG_ENDIAN); + /* OSCI */ + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_osci, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Octet 7 SAMB RI Used NAS integrity protection algorithm Used NAS Cipher*/ + /* SAMB RI */ + samb_ri = tvb_get_guint8(tvb, offset) >> 7; + proto_tree_add_bits_item(flag_tree, hf_gtpv2_mm_context_samb_ri, tvb, offset << 3, 1, ENC_BIG_ENDIAN); + /* Used NAS integrity protection algorithm */ + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_unipa, tvb, offset, 1, ENC_BIG_ENDIAN); + /* Used NAS Cipher */ + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_unc, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Octet 8-10 NAS Downlink Count*/ + proto_tree_add_item(tree, hf_gtpv2_mm_context_nas_dl_cnt, tvb, offset, 3, ENC_BIG_ENDIAN); + offset += 3; + + /* Octet 11-13 NAS Uplink Count */ + proto_tree_add_item(tree, hf_gtpv2_mm_context_nas_ul_cnt, tvb, offset, 3, ENC_BIG_ENDIAN); + offset += 3; + + /* Octet 14-45 */ + proto_tree_add_item(tree, hf_gtpv2_mm_context_kasme, tvb, offset, 32, ENC_NA); + offset += 32; + + qua_item = proto_tree_add_uint(tree, hf_gtpv2_authentication_quadruplets, tvb, offset, 0, nr_qua); + if ( nr_qua ){ + qua_tree = proto_item_add_subtree(qua_item, ett_gtpv2_qua); + offset = dissect_gtpv2_authentication_quadruplets(tvb, qua_tree, offset, nr_qua); + }else { + proto_item_set_generated(qua_item); + } + + qui_item = proto_tree_add_uint(tree, hf_gtpv2_authentication_quintuplets, tvb, offset, 0, nr_qui); + if (nr_qui) { + qui_tree = proto_item_add_subtree(qui_item, ett_gtpv2_qui); + offset = dissect_gtpv2_authentication_quintuplets(tvb, qui_tree, offset, nr_qui); + }else{ + proto_item_set_generated(qui_item); + } + + /* (h+1) to (h+2) DRX parameter */ + if (drxi) { + proto_tree_add_item(tree, hf_gtpv2_mm_context_drx, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + } + + /* Octet p to p+31 & Octet p+32 */ + if ( nhi ) + { + proto_tree_add_item(tree, hf_gtpv2_mm_context_nh, tvb, offset, 32, ENC_NA); + offset += 32; + + proto_tree_add_item(tree, hf_gtpv2_mm_context_ncc, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + } + + + /* Dissect octet j to r */ + offset = dissect_gtpv2_mm_context_common_data(tvb, pinfo, tree, offset, samb_ri, uamb_ri); + + /* r+1 Spare HBNA HNNA ENA INA GANA GENA UNA */ + if (offset < (gint)length) { + offset = dissect_gtpv2_access_restriction_data(tvb, tree, offset); + } else { + return; + } + + if (offset == (gint)length) { + return; + } + + /* the fields for the Old EPS Security Context (i.e. octets from s to s+64) + * may be present only in S10 Forward Relocation Request message according to + * the Rules on Concurrent Running of Security Procedures, which are specified in 3GPP TS 33.401 [12]. + * The octets for Old EPS Security Context shall be present if the OSCI (Old Security Context Indicator), + * bit 1 of octet 6) is set to "1"; otherwise they shall not be present. + */ + if (osci == 1) { + /* s */ + /* If NHI_old (Next Hop Indicator for old EPS Security Context), bit 1 of octet s, is set to "1", + * then the parameters old NH (Next Hop) and old NCC (Next Hop Chaining Count) shall be present; + * otherwise the octets for old NH parameter shall not be present and the value of old NCC parameter + * shall be ignored by the receiver + */ + /* NHI_old Spare old KSIASME old NCC*/ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_mm_contex_nhi_old, tvb, offset, 1, ENC_BIG_ENDIAN, &dword); + proto_tree_add_item(tree, hf_gtpv2_mm_context_old_ksiasme, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_mm_context_old_ncc, tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + /* (s+1) to (s+32) old KASME */ + proto_tree_add_item(tree, hf_gtpv2_mm_context_old_kasme, tvb, offset, 32, ENC_NA); + offset += 32; + /* (s+33) to (s+64) old NH */ + if (dword) { + proto_tree_add_item(tree, hf_gtpv2_mm_context_old_nh, tvb, offset, 32, ENC_NA); + offset += 32; + } + } + + if (offset == (gint)length) { + return; + } + + /* w Length of Voice Domain Preference and UE's Usage Setting */ + vdp_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_mm_context_vdp_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* (r+3) to s Voice Domain Preference and UE's Usage Setting */ + if (vdp_len) { + proto_tree_add_item(tree, hf_gtpv2_voice_domain_and_ue_usage_setting, tvb, offset, vdp_len, ENC_NA); + offset += vdp_len; + } + + if (offset == (gint)length) { + return; + } + + /* (t+1) to (t+2) Length of UE Radio Capability for Paging information*/ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_mm_context_paging_len, tvb, offset, 2, ENC_BIG_ENDIAN, &paging_len); + offset += 2; + + if (paging_len > 0) { + proto_tree_add_item(tree, hf_gtpv2_ue_radio_capability_for_paging_information, tvb, offset, paging_len, ENC_NA); + offset +=paging_len; + } + + if (offset == (gint)length) { + return; + } + + /*(u+1) Length of Extended Access Restriction Data */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_mm_context_ex_access_res_data_len, tvb, offset, 1, ENC_BIG_ENDIAN, &ex_access_res_data_len); + offset += 1; + + /*(u+2) to v + *8 7 6 5 4 3 2 1 + * spare | USSRNA | NRSRNA + */ + if(ex_access_res_data_len > 0){ + static int* const ear_flags[] = { + &hf_gtpv2_spare_b7_b5, + &hf_gtpv2_mm_context_nruna, + &hf_gtpv2_mm_context_nrusrna, + &hf_gtpv2_mm_context_nrna, + &hf_gtpv2_mm_context_ussrna, + &hf_gtpv2_mm_context_nrsrna, + NULL + }; + proto_tree_add_bitmask_list(tree, tvb, offset, 1, ear_flags, ENC_BIG_ENDIAN); + + offset += 1; + } + + if (offset == (gint)length) { + return; + } + + /* + * The UE additional security capability coding is specified in clause 9.9.3.53 of 3GPP TS 24.301 [23]. + * If Length of UE additional security capability is zero, then the field UE additional security capability in octets "(v+2) to x" shall not be present. + */ + /*(v+1) Length of UE additional security capability*/ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_mm_context_ue_add_sec_cap_len, tvb, offset, 1, ENC_BIG_ENDIAN, &ue_add_sec_cap_len); + offset += 1; + + /*(v+2) to x UE additional security capability*/ + if(ue_add_sec_cap_len > 0){ + sc_tree = proto_tree_add_subtree(tree, tvb, offset, ue_add_sec_cap_len, ett_gtpv2_mm_context_sc, NULL, "UE additional Security Capability"); + offset += de_emm_ue_add_sec_cap(tvb, sc_tree, NULL, offset, ue_add_sec_cap_len, NULL, 0); + } + + if (offset == (gint)length) { + return; + } + + /* x+1 Length of UE NR security capability */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_mm_context_ue_nr_sec_cap_len, tvb, offset, 1, ENC_BIG_ENDIAN, &ue_nr_sec_cap_len); + offset += 1; + /* The UE NR security capability coding is specified in clause 9.8.3.57 of 3GPP TS 24.501. + * If Length of UE NR security capability is zero, then the field UE NR security capability in octets + "(x+2) to y" shall not be present. + */ + if (ue_nr_sec_cap_len) { + /* (x+2) to y UE NR security capability */ + /* The UE NR security capability coding is specified in clause 9.8.3.57 of 3GPP TS 24.501 */ + sc_tree = proto_tree_add_subtree(tree, tvb, offset, ue_nr_sec_cap_len, ett_gtpv2_ue_nr_sec_cap_len, NULL, "UE NR security capability"); + proto_tree_add_expert_format(sc_tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, ue_nr_sec_cap_len, "The rest of the IE not dissected yet"); + offset += ue_nr_sec_cap_len; + } + + if (offset == (gint)length) { + return; + } + + /* (y+1) to (y+2) Length of APN Rate Control Statuses */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_mm_context_apn_rte_ctrl_sts_len, tvb, offset, 2, ENC_BIG_ENDIAN, &apn_rte_ctrl_sts_len); + offset += 2; + if (apn_rte_ctrl_sts_len) { + /* (y+3) to l APN Rate Control Status [1..z] */ + sc_tree = proto_tree_add_subtree(tree, tvb, offset, apn_rte_ctrl_sts_len, ett_gtpv2_apn_rte_ctrl_sts_len, NULL, "APN Rate Control Status"); + proto_tree_add_expert_format(sc_tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, apn_rte_ctrl_sts_len, "The rest of the IE not dissected yet"); + offset += apn_rte_ctrl_sts_len; + } + if (offset == (gint)length) { + return; + } + + /* (l+1) Length of Core Network Restrictions */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_mm_context_cnr_len, tvb, offset, 1, ENC_BIG_ENDIAN, &ie_len); + offset += 1; + if (ie_len) { + /* (l+2) to (l+5) Core Network Restrictions */ + /* The Core Network Restrictions coding is specified in clause 7.2.230 of 3GPP TS 29.272 [70]. + If Length of Core Network Restrictions is zero, then the field of Core Network Restrictions + in octets "(l+2) to (l+5)" shall not be present. + */ + tvbuff_t *new_tvb = tvb_new_subset_length(tvb, offset, ie_len); + dissect_diameter_3gpp_core_network_restrictions(new_tvb, pinfo, tree, NULL); + offset += ie_len; + } + + if (offset == (gint)length) { + return; + } + + /* (l+6) Length of UE Radio Capability ID */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_mm_context_ue_radio_cap_len, tvb, offset, 1, ENC_BIG_ENDIAN, &ie_len); + offset += 1; + if (ie_len) { + /* (l+7) to z UE Radio Capability ID + * The UE Radio Capability ID is specified in the clause 9.9.3.60 of 3GPP TS24.301 + */ + de_nas_5gs_mm_ue_radio_cap_id(tvb, tree, pinfo, offset, ie_len, NULL, 0); + offset += ie_len; + } + + if (offset == (gint)length) { + return; + } + + /*(a) ENSCT */ + proto_tree_add_item(tree, hf_gtpv2_mm_context_ensct, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + if (offset < (gint)length){ + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, length - offset, "The rest of the IE not dissected yet"); + } +} + +/* + * Type = 108 (decimal) + * Figure 8.38-6: UMTS Key, Quadruplets and Quintuplets + */ +static void +dissect_gtpv2_mm_context_utms_qq(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree *flag_tree; + guint32 offset; + guint8 tmp, drxi, nr_qua, nr_qui, uamb_ri, samb_ri, vdp_length; + + offset = 0; + flag_tree = proto_tree_add_subtree(tree, tvb, offset, 3, ett_gtpv2_mm_context_flag, NULL, "MM Context flags"); + + /* Octet 5 + * Security Mode Spare DRXI KSIASME + */ + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_sm, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, ((offset << 3) + 3), 1, ENC_BIG_ENDIAN); + drxi = (tvb_get_guint8(tvb, offset) & 0x08) >> 3; + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_drxi, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_ksi_a, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Octet 6 + * Bits + * 8 7 6 5 4 3 2 1 + * Number of | Number of | UAMB | SAMB + * Quintuplets | Quadruplet | RI | RI + */ + tmp = tvb_get_guint8(tvb, offset); + nr_qui = (tmp & 0xe0) >> 5; + nr_qua = tmp & 0x1c; + nr_qua >>= 2; + uamb_ri = (tmp & 0x2) >> 1; + samb_ri = tmp & 0x01; + + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_qui, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_qua, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_uamb_ri, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_bits_item(flag_tree, hf_gtpv2_mm_context_samb_ri, tvb, (offset << 3) + 7, 1, ENC_BIG_ENDIAN); + offset += 1; + /* Octet 7 Spare */ + proto_tree_add_item(flag_tree, hf_gtpv2_spare, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* Octet 8 to 23 CK */ + proto_tree_add_item(tree, hf_gtpv2_ck, tvb, offset, 16, ENC_NA); + offset += 16; + /* Octet 24 to 39 IK */ + proto_tree_add_item(tree, hf_gtpv2_ik, tvb, offset, 16, ENC_NA); + offset += 16; + + if ( nr_qua ) { + offset = dissect_gtpv2_authentication_quadruplets(tvb, tree, offset, nr_qua); + } + + if (nr_qui) { + offset = dissect_gtpv2_authentication_quintuplets(tvb, tree, offset, nr_qui); + } + + /* (h+1) to (h+2) DRX parameter */ + if (drxi) { + proto_tree_add_item(tree, hf_gtpv2_mm_context_drx, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + } + + /* Dissect octet j to r */ + offset = dissect_gtpv2_mm_context_common_data(tvb, pinfo, tree, offset, samb_ri, uamb_ri); + + if (offset >= (guint32)length) { + return; + } + /* r+1 Spare HBNA HNNA ENA INA GANA GENA UNA */ + offset = dissect_gtpv2_access_restriction_data(tvb, tree, offset); + + if (offset >= (guint32)length) { + return; + } + + /* The Voice Domain Preference and UE's Usage Setting coding is specified in clause 10.5.5.28 of 3GPP TS 24.008 [5]. If + * Length of Voice Domain Preference and UE's Usage Setting is zero, then the Voice Domain Preference and UE's Usage + * Setting parameter shall not be present. + */ + /* r+2 */ + vdp_length = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_vdp_length, tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + + if(vdp_length !=0){ + offset += de_gmm_voice_domain_pref(tvb, tree, pinfo, offset, vdp_length, NULL, 0); + } + + if (offset < (guint32)length) { + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, -1, "The rest of the IE not dissected yet"); + } + +} + +/* + * 8.39 PDN Connection (grouped IE) + */ +static void +dissect_gtpv2_PDN_conn(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree _U_, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + proto_tree *grouped_tree; + tvbuff_t *new_tvb; + + proto_item_append_text(item, "[Grouped IE]"); + grouped_tree = proto_item_add_subtree(item, ett_gtpv2_PDN_conn); + new_tvb = tvb_new_subset_length(tvb, offset, length); + + dissect_gtpv2_ie_common(new_tvb, pinfo, grouped_tree, offset, message_type, args); +} +/* + * 8.40 PDU Numbers + */ +static void +dissect_gtpv2_pdn_numbers(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_item *nsapi_ti; + proto_tree *nsapi_tree; + guint8 nsapi; + int offset = 0; + + nsapi = (tvb_get_guint8(tvb, offset) & 0x08); + nsapi_ti = proto_tree_add_item(tree, hf_gtpv2_nsapi08, tvb, offset, 1, ENC_BIG_ENDIAN); + nsapi_tree = proto_item_add_subtree(nsapi_ti, ett_gtpv2_pdn_numbers_nsapi); + proto_tree_add_bits_item(nsapi_tree, hf_gtpv2_spare_bits, tvb, offset << 3, 4, ENC_BIG_ENDIAN); + proto_tree_add_item(nsapi_tree, hf_gtpv2_pdn_numbers_nsapi, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_item_append_text(item, "NSAPI: %u", nsapi); + offset += 1; + + proto_tree_add_item(tree, hf_gtpv2_dl_gtp_u_sequence_number, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + proto_tree_add_item(tree, hf_gtpv2_ul_gtp_u_sequence_number, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + proto_tree_add_item(tree, hf_gtpv2_send_n_pdu_number, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + proto_tree_add_item(tree, hf_gtpv2_receive_n_pdu_number, tvb, offset, 2, ENC_BIG_ENDIAN); +} + +/* + * 8.41 Packet TMSI (P-TMSI) + */ +static void +dissect_gtpv2_p_tmsi(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + proto_item* ti; + + /* The TMSI consists of 4 octets. It can be coded using a full hexadecimal representation. */ + proto_tree_add_item(tree, hf_gtpv2_p_tmsi, tvb, offset, 4, ENC_BIG_ENDIAN); + ti = proto_tree_add_item(tree, hf_3gpp_tmsi, tvb, offset, 4, ENC_BIG_ENDIAN); + proto_item_set_hidden(ti); + proto_item_append_text(item, "%s", tvb_bytes_to_str(pinfo->pool, tvb, offset, 4)); +} + +/* + * 8.42 P-TMSI Signature + */ +static void +dissect_gtpv2_p_tmsi_sig(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + /* The P-TMSI Signature consists of 3 octets and may be allocated by the SGSN. */ + proto_tree_add_item(tree, hf_gtpv2_p_tmsi_sig, tvb, offset, 3, ENC_BIG_ENDIAN); + proto_item_append_text(item, "%s", tvb_bytes_to_str(pinfo->pool, tvb, offset, 3)); + +} + +/* + * 8.43 Hop Counter + */ +static void +dissect_gtpv2_hop_counter(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 hop_counter; + + hop_counter = tvb_get_guint8(tvb, offset); + + proto_tree_add_item(tree, hf_gtpv2_hop_counter, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_item_append_text(item, "%d", hop_counter); +} + +/* + * 8.44 UE Time Zone + */ + +static const value_string gtpv2_ue_time_zone_dst_vals[] = { + {0, "No Adjustments for Daylight Saving Time"}, + {1, "+1 Hour Adjustments for Daylight Saving Time"}, + {2, "+2 Hour Adjustments for Daylight Saving Time"}, + {3, "Spare"}, + {0, NULL} +}; +static void +dissect_gtpv2_ue_time_zone(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + /* + * UE Time Zone is used to indicate the offset between universal time and local time in steps of 15 minutes of where the + * UE currently resides. The "Time Zone" field uses the same format as the "Time Zone" IE in 3GPP TS 24.008 [5]. + * (packet-gsm_a_dtap.c) + */ + de_time_zone(tvb, tree, pinfo, offset, 1, NULL, 0); + offset += 1; + proto_tree_add_item(item, hf_gtpv2_ue_time_zone_dst, tvb, offset, 1, ENC_BIG_ENDIAN); +} + +/* + * 8.45 Trace Reference + */ +static void +dissect_gtpv2_trace_reference(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint32 trace_id; + gchar *mcc_mnc_str; + + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, 0, E212_NONE, TRUE); + offset += 3; + + trace_id = tvb_get_ntohs(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_trace_id, tvb, offset, 3, ENC_BIG_ENDIAN); + + proto_item_append_text(item, "%s,Trace ID %u", mcc_mnc_str, trace_id); +} +/* + * 8.46 Complete Request Message + */ +static const value_string gtpv2_complete_req_msg_type_vals[] = { + {0, "Complete Attach Request Message" }, + {1, "Complete TAU Request Message" }, + {0, NULL } +}; +static void +dissect_complete_request_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + tvbuff_t *new_tvb; + int offset; + + offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_complete_req_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN); + + offset += 1; + + /* Add the Complete Request Message */ + new_tvb = tvb_new_subset_length(tvb, offset, length-1); + call_dissector(nas_eps_handle, new_tvb, pinfo, tree); + +} + +/* + * 8.47 GUTI + */ +static void +dissect_gtpv2_guti(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + offset = 0; + + dissect_e212_mcc_mnc(tvb, pinfo, tree, 0, E212_NONE, TRUE); + offset += 3; + + proto_tree_add_item(tree, hf_gtpv2_mme_grp_id, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + proto_tree_add_item(tree, hf_gtpv2_mme_code, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(tree, hf_gtpv2_m_tmsi, tvb, offset, 4, ENC_NA); +} + +/* + * 8.48 Fully Qualified Container (F-Container) + */ + +static const value_string gtpv2_container_type_vals[] = { + {1, "UTRAN transparent container"}, + {2, "BSS container"}, + {3, "E-UTRAN transparent container"}, + {4, "NBIFOM Container"}, + {5, "EN-DC Container"}, + {6, "Inter-System SON Container"}, + {0, NULL} +}; + + +static void +dissect_gtpv2_F_container(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type, guint8 instance _U_, session_args_t * args _U_) +{ + tvbuff_t *new_tvb; + proto_tree *sub_tree; + int offset = 0; + guint32 container_type; + guint8 container_flags, xid_len; + + /* Octets 8 7 6 5 4 3 2 1 + * 5 Spare | Container Type + */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_container_type, tvb, offset, 1, ENC_BIG_ENDIAN, &container_type); + offset += 1; + length--; + if (length == 0) { + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_len_invalid, tvb, offset-3, 3); + return; + } + if ( (message_type == GTPV2_FORWARD_RELOCATION_REQ) + || (message_type == GTPV2_CONTEXT_RESPONSE) + || (message_type == GTPV2_RAN_INFORMATION_RELAY)) { + switch (container_type) { + case 1: + /* UTRAN transparent container (1) + * Contains the "Source to Target + * Transparent Container", if the message is used for PS + * handover to UTRAN Iu mode procedures, SRNS relocation + * procedure and E-UTRAN to UTRAN inter RAT handover + * procedure. + */ + sub_tree = proto_tree_add_subtree(tree, tvb, offset, length, ett_gtpv2_utran_con, NULL, "UTRAN transparent container"); + new_tvb = tvb_new_subset_length(tvb, offset, length); + dissect_ranap_Source_ToTarget_TransparentContainer_PDU(new_tvb, pinfo, sub_tree, NULL); + return; + case 2: + /* BSS container */ + sub_tree = proto_tree_add_subtree(tree, tvb, offset, length, ett_gtpv2_bss_con, NULL, "BSS container"); + /* The flags PFI, RP, SAPI and PHX in octet 6 indicate the corresponding type of paratemer */ + proto_tree_add_item(sub_tree, hf_gtpv2_bss_container_phx, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(sub_tree, hf_gtpv2_bss_con_sapi_flg, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(sub_tree, hf_gtpv2_bss_con_rp_flg, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(sub_tree, hf_gtpv2_bss_con_pfi_flg, tvb, offset, 1, ENC_BIG_ENDIAN); + container_flags = tvb_get_guint8(tvb, offset); + offset += 1; + if ((container_flags & 0x01) == 1) { + /* Packet Flow ID present */ + proto_tree_add_item(sub_tree, hf_gtpv2_bss_con_pfi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + } + if (((container_flags & 0x04) == 4) || ((container_flags & 0x02) == 2)) { + if ((container_flags & 0x04) == 4) { + /* SAPI present */ + proto_tree_add_item(sub_tree, hf_gtpv2_bss_con_sapi, tvb, offset, 1, ENC_BIG_ENDIAN); + } + if ((container_flags & 0x02) == 2) { + /* Radio Priority present */ + proto_tree_add_item(sub_tree, hf_gtpv2_bss_con_rp, tvb, offset, 1, ENC_BIG_ENDIAN); + } + offset += 1; + } + if ((container_flags & 0x08) == 8) { + /* XiD parameters length is present in Octet c. + * XiD parameters are present in Octet d to n. + */ + xid_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(sub_tree, hf_gtpv2_bss_con_xid_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(sub_tree, hf_gtpv2_bss_con_xid, tvb, offset, xid_len, ENC_NA); + } + return; + case 3: + /* E-UTRAN transparent container + * This IE shall be included to contain the "Source to Target + * Transparent Container", if the message is used for + * UTRAN/GERAN to E-UTRAN inter RAT handover + * procedure, E-UTRAN intra RAT handover procedure and + * 3G SGSN to MME combined hard handover and SRNS + * relocation procedure. The Container Type shall be set to 3. + */ + sub_tree = proto_tree_add_subtree(tree, tvb, offset, length, ett_gtpv2_eutran_con, NULL, "E-UTRAN transparent container"); + new_tvb = tvb_new_subset_length(tvb, offset, length); + dissect_s1ap_SourceeNB_ToTargeteNB_TransparentContainer_PDU(new_tvb, pinfo, sub_tree, NULL); + return; + default: + break; + } + } + if (message_type == GTPV2_FORWARD_CTX_NOTIFICATION) { + switch (container_type) { + case 3: + /* E-UTRAN transparent container */ + new_tvb = tvb_new_subset_length(tvb, offset, length); + dissect_s1ap_ENB_StatusTransfer_TransparentContainer_PDU(new_tvb, pinfo, tree, NULL); + return; + default: + break; + } + } + if (message_type == GTPV2_FORWARD_RELOCATION_RESP) { + + /* 7.3.2 Forward Relocation Response */ + switch (container_type) { + case 3: + /* E-UTRAN transparent container + * This IE shall be included to contain the "Target to Source Transparent Container" + * during a handover to E-UTRAN, 5GS to EPS handover and EPS to 5GS handover. + * If the Cause IE contains the value "Request accepted". The Container Type shall be set to 3. + */ + sub_tree = proto_tree_add_subtree(tree, tvb, offset, length, ett_gtpv2_eutran_con, NULL, "E-UTRAN transparent container"); + new_tvb = tvb_new_subset_length(tvb, offset, length); + dissect_s1ap_TargeteNB_ToSourceeNB_TransparentContainer_PDU(new_tvb, pinfo, sub_tree, NULL); + return; + default: + break; + } + } + if (message_type == GTPV2_CONFIGURATION_TRANSFER_TUNNEL) { + /* 7.3.18 Configuration Transfer Tunnel */ + switch (container_type) { + case 3: + /* SON Configuration Transfer + * This IE shall be included to contain the "SON Configuration Transfer" as specified in 3GPP TS 36.413 [10]. + * The Container Type shall be set to 3. + */ + sub_tree = proto_tree_add_subtree(tree, tvb, offset, length, ett_gtpv2_son_con, NULL, "SON Configuration Transfer"); + new_tvb = tvb_new_subset_length(tvb, offset, length); + dissect_s1ap_SONConfigurationTransfer_PDU(new_tvb, pinfo, sub_tree, NULL); + return; + case 5: + /* EN-DC SON Configuration Transfer + * This IE shall be included to contain the "EN-DC SON Configuration Transfer" as specified in 3GPP TS 36.413 [10]. + * The Container Type shall be set to 5. + */ + sub_tree = proto_tree_add_subtree(tree, tvb, offset, length, ett_gtpv2_endc_son_con, NULL, "EN-DC SON Configuration Transfer"); + new_tvb = tvb_new_subset_length(tvb, offset, length); + dissect_s1ap_EN_DCSONConfigurationTransfer_PDU(new_tvb, pinfo, sub_tree, NULL); + return; + case 6: + /* Inter-System SON Container + * This IE shall be included to contain the "Inter-System SON Container" as specified in 3GPP TS 36.413 [10]. + * The Container Type shall be set to 6. + */ + sub_tree = proto_tree_add_subtree(tree, tvb, offset, length, ett_gtpv2_intersys_son_con, NULL, "Inter-System SON Container"); + new_tvb = tvb_new_subset_length(tvb, offset, length); + dissect_s1ap_IntersystemSONConfigurationTransfer_PDU(new_tvb, pinfo, sub_tree, NULL); + return; + default: + break; + } + } + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, length); + +} + +/* + * 8.49 Fully Qualified Cause (F-Cause) + */ + +static const value_string gtpv2_cause_type_vals[] = { + {0, "Radio Network Layer"}, + {1, "Transport Layer"}, + {2, "NAS"}, + {3, "Protocol"}, + {4, "Miscellaneous"}, + {5, "<spare>"}, + {6, "<spare>"}, + {7, "<spare>"}, + {8, "<spare>"}, + {9, "<spare>"}, + {10, "<spare>"}, + {11, "<spare>"}, + {12, "<spare>"}, + {13, "<spare>"}, + {14, "<spare>"}, + {15, "<spare>"}, + {0, NULL} +}; +static value_string_ext gtpv2_cause_type_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_cause_type_vals); + +static void +dissect_gtpv2_s1ap_cause(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint8 cause_type) +{ + + switch (cause_type) { + case 0: + /* CauseRadioNetwork */ + proto_tree_add_item(tree, hf_gtpv2_CauseRadioNetwork, tvb, offset, 1, ENC_BIG_ENDIAN); + break; + case 1: + /* CauseTransport */ + proto_tree_add_item(tree, hf_gtpv2_CauseTransport, tvb, offset, 1, ENC_BIG_ENDIAN); + break; + case 2: + /* CauseNas */ + proto_tree_add_item(tree, hf_gtpv2_CauseNas, tvb, offset, 1, ENC_BIG_ENDIAN); + break; + case 3: + /* CauseProtocol */ + proto_tree_add_item(tree, hf_gtpv2_CauseProtocol, tvb, offset, 1, ENC_BIG_ENDIAN); + break; + case 4: + /* CauseMisc */ + proto_tree_add_item(tree, hf_gtpv2_CauseMisc, tvb, offset, 1, ENC_BIG_ENDIAN); + break; + default: + break; + } + + return; + +} +static void +dissect_gtpv2_F_cause(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type, guint8 instance, session_args_t * args _U_) +{ + int offset = 0; + guint8 cause_type; + + /* The value of Instance field of the F-Cause IE in a GTPv2 message shall indicate + * whether the F-Cause field contains RANAP Cause, BSSGP Cause or RAN Cause. + * If the F-Cause field contains RAN Cause, the Cause Type field shall contain + * the RAN cause subcategory as specified in 3GPP TS 36.413 [10] and it shall be + * encoded as in Table 8.49-1. + * If the F-Cause field contains BSSGP Cause or RANAP Cause, + * the Cause Type field shall be ignored by the receiver. + */ + if (message_type == GTPV2_FORWARD_RELOCATION_REQ) { + switch (instance) { + case 0: + proto_item_append_text(item, "[RAN Cause]"); + proto_tree_add_item(tree, hf_gtpv2_cause_type, tvb, offset, 1, ENC_BIG_ENDIAN); + cause_type = tvb_get_guint8(tvb, offset); + offset += 1; + dissect_gtpv2_s1ap_cause(tvb, pinfo, tree, offset, cause_type); + return; + case 1: + proto_item_append_text(item, "[RANAP Cause]"); + break; + case 2: + proto_item_append_text(item, "[BSSGP Cause]"); + break; + default: + break; + } + } + else if (message_type == GTPV2_FORWARD_RELOCATION_RESP) { + /* Table 7.3.2-1: Information Elements in a Forward Relocation Response */ + switch (instance) { + case 0: + /* Instance 0 S1-AP Cause */ + proto_item_append_text(item, "[S1-AP Cause]"); + proto_tree_add_item(tree, hf_gtpv2_cause_type, tvb, offset, 1, ENC_BIG_ENDIAN); + cause_type = tvb_get_guint8(tvb, offset); + offset++; + dissect_gtpv2_s1ap_cause(tvb, pinfo, tree, offset, cause_type); + return; + case 1: + /* Instance 1 RANAP Cause */ + proto_item_append_text(item, "[RANAP Cause]"); + break; + case 2: + /* Instance 2 BSSGP Cause */ + proto_item_append_text(item, "[BSSGP Cause]"); + break; + default: + break; + } + + }/* GTPV2_FORWARD_RELOCATION_RESP */ + + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, length-offset); + +} + +/* + * 8.50 Selected PLMN ID + */ +/* + * The Selected PLMN ID IE contains the core network operator selected for tne UE + * in a shared network. Octets 5-7 shall be encoded as the content part of the + * "Selected PLMN Identity" parameter in 3GPP TS 36.413 [10]. + * -The Selected PLMN identity consists of 3 digits from MCC followed by + * either -a filler digit plus 2 digits from MNC (in case of 2 digit MNC) or + * -3 digits from MNC (in case of a 3 digit MNC). + * + * 8 7 6 5 4 3 2 1 + * +--+--+--+--+--+--+--+--+ + * Octet 5 |MCC digit 2|MCC digit 1| + * +--+--+--+--+--+--+--+--+ + * Octet 6 |MNC digit 1|MCC digit 3| + * +--+--+--+--+--+--+--+--+ + * Octet 7 |MNC digit 3|MNC digit 2| + * +--+--+--+--+--+--+--+--+ + */ +static void +dissect_gtpv2_sel_plmn_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + gchar *mcc_mnc_str; + + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, 0, E212_NONE, FALSE); + proto_item_append_text(item, "%s", mcc_mnc_str); +} + +/* + * 8.51 Target Identification + */ + +static const value_string gtpv2_target_type_vals[] = { + {0, "RNC ID"}, + {1, "Macro eNodeB ID"}, + {2, "Cell Identifier"}, + {3, "Home eNodeB ID"}, + {4, "Extended Macro eNodeB ID"}, + {5, "gNodeB ID"}, + {6, "Macro ng-eNodeB ID"}, + {7, "Extended ng-eNodeB ID"}, + {8, "en-gNB ID"}, + {0, NULL} +}; +static value_string_ext gtpv2_target_type_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_target_type_vals); + +static gchar* +dissect_gtpv2_home_enodeb_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int *offset) +{ + gchar *str = NULL; + gchar *mcc_mnc_str; + guint32 home_enodeb_id; + + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, *offset, E212_NONE, TRUE); + *offset += 3; + + /* Octet 10 to 12 Home eNodeB ID + * The Home eNodeB ID consists of 28 bits. See 3GPP TS 36.413 [10]. + * Bit 4 of Octet 9 is the most significant bit and bit 1 of Octet 12 is the least significant bit. + * The coding of the Home eNodeB ID is the responsibility of each administration. + * Coding using full hexadecimal representation shall be used. + */ + home_enodeb_id = tvb_get_ntohl(tvb, *offset) & 0x0fffffff; + proto_tree_add_item(tree, hf_gtpv2_home_enodeb_id, tvb, *offset, 4 , ENC_BIG_ENDIAN); + *offset += 4; + + str = wmem_strdup_printf(pinfo->pool, "%s, Home eNodeB ID 0x%x", + mcc_mnc_str, + home_enodeb_id); + + return str; +} + +static gchar* +dissect_gtpv2_gnodeb_id(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, int* offset) +{ + gchar* str = NULL; + gchar* mcc_mnc_str; + guint32 gnodeb_id; + + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, *offset, E212_NONE, TRUE); + *offset += 3; + + /* The gNodeB ID Length field, in bits 1 to 6 of octet 9, + * indicates the length of the gNodeB ID in number of bits + */ + + proto_tree_add_item(tree, hf_gtpv2_gnodeb_id_len, tvb, *offset, 1, ENC_BIG_ENDIAN); + *offset += 1; + + proto_tree_add_item_ret_uint(tree, hf_gtpv2_gnodeb_id, tvb, *offset, 4, ENC_BIG_ENDIAN, &gnodeb_id); + *offset += 4; + + str = wmem_strdup_printf(pinfo->pool, "%s, gNodeB ID 0x%x", + mcc_mnc_str, + gnodeb_id); + + return str; +} + +static gchar* +dissect_gtpv2_macro_ng_enodeb_id(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, int* offset) +{ + gchar *str = NULL; + gchar *mcc_mnc_str; + guint32 ng_enodeb_id; + + mcc_mnc_str = dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, *offset, E212_NONE, TRUE); + *offset += 3; + + proto_tree_add_item_ret_uint(tree, hf_gtpv2_macro_ng_enodeb_id, tvb, *offset, 3, ENC_BIG_ENDIAN, &ng_enodeb_id); + *offset += 3; + + str = wmem_strdup_printf(pinfo->pool, "%s, Macro ng-eNodeB ID 0x%x", + mcc_mnc_str, + ng_enodeb_id); + + return str; +} + +static void +dissect_gtpv2_target_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + tvbuff_t *new_tvb; + int offset = 0; + guint8 target_type, oct; + + proto_tree_add_item(tree, hf_gtpv2_target_type, tvb, 0, 1, ENC_BIG_ENDIAN); + target_type = tvb_get_guint8(tvb, offset); + offset += 1; + switch (target_type) { + case 0: + /* 8.51.2 RNC ID*/ + new_tvb = tvb_new_subset_remaining(tvb, offset); + dissect_e212_mcc_mnc(new_tvb, pinfo, tree, 0, E212_NONE, TRUE); + offset += 3; + /* LAC */ + proto_tree_add_item(tree, hf_gtpv2_lac, tvb, offset, 2, ENC_BIG_ENDIAN); + offset+=2; + + /* RAC (see NOTE 3) */ + proto_tree_add_item(tree, hf_gtpv2_rac, tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + /* RNC ID + * In this case the Target ID field shall be encoded as the Target + * RNC-ID part of the "Target ID" parameter in 3GPP TS 25.413 [33]. Therefore, the "Choice Target ID" that indicates + * "Target RNC-ID" (numerical value of 0x20) shall not be included (value in octet 5 specifies the target type). + */ + proto_tree_add_item(tree, hf_gtpv2_rnc_id, tvb, offset, 2, ENC_BIG_ENDIAN); + /* If the optional Extended RNC-ID is not included, then the length variable 'n' = 8 and the overall length of the IE is 11 + * octets. Otherwise, 'n' = 10 and the overall length of the IE is 13 octets + */ + if(length == 11){ + proto_tree_add_item(tree, hf_gtpv2_ext_rnc_id, tvb, offset, 2, ENC_BIG_ENDIAN); + } + return; + case 1: + /* Macro eNodeB ID*/ + dissect_gtpv2_macro_enodeb_id(tvb, pinfo, tree, &offset); + + /* Tracking Area Code (TAC) */ + proto_tree_add_item(tree, hf_gtpv2_tai_tac, tvb, offset, 2, ENC_BIG_ENDIAN); + + return; + + case 2: + /* Cell Identifier */ + /* Target ID field shall be same as the Octets 3 to 10 of the Cell Identifier IEI + * in 3GPP TS 48.018 [34]. + */ + new_tvb = tvb_new_subset_remaining(tvb, offset); + de_bssgp_cell_id(new_tvb, tree, pinfo, 0, 0/* not used */, NULL, 0); + return; + case 3: + /* Home eNodeB ID */ + dissect_gtpv2_home_enodeb_id(tvb, pinfo, tree, &offset); + + /* Octet 13 to 14 Tracking Area Code (TAC) */ + proto_tree_add_item(tree, hf_gtpv2_tac, tvb, offset, 2 , ENC_BIG_ENDIAN); + return; + + case 4: + /* 8.51.5 Extended Macro eNodeB ID */ + dissect_gtpv2_ext_macro_enodeb_id(tvb, pinfo, tree, &offset, hf_gtpv2_ext_macro_enodeb_id); + + /* Octet 12 to 13 Tracking Area Code (TAC) */ + proto_tree_add_item(tree, hf_gtpv2_tac, tvb, offset, 2, ENC_BIG_ENDIAN); + return; + + case 5: + /* gNodeB ID */ + dissect_gtpv2_gnodeb_id(tvb, pinfo, tree, &offset); + + /* Octet 14 to 16 5GS Tracking Area Code (TAC) */ + proto_tree_add_item(tree, hf_gtpv2_5gs_tac, tvb, offset, 3, ENC_BIG_ENDIAN); + return; + + case 6: + /* Macro ng-eNodeB ID */ + dissect_gtpv2_macro_ng_enodeb_id(tvb, pinfo, tree, &offset); + /* Octet 14 to 16 5GS Tracking Area Code (TAC) */ + proto_tree_add_item(tree, hf_gtpv2_5gs_tac, tvb, offset, 3, ENC_BIG_ENDIAN); + return; + + case 7: + /* Extended ng-eNodeB ID */ + dissect_gtpv2_ext_macro_enodeb_id(tvb, pinfo, tree, &offset, hf_gtpv2_ext_macro_ng_enodeb_id); + /* Octet 12 to 14 5GS Tracking Area Code (TAC) */ + proto_tree_add_item(tree, hf_gtpv2_5gs_tac, tvb, offset, 3, ENC_BIG_ENDIAN); + return; + + case 8: + /* en-gNB ID */ + dissect_e212_mcc_mnc_wmem_packet_str(tvb, pinfo, tree, offset, E212_NONE, TRUE); + offset += 3; + /* Octet 9 5TAC ETAC en-gNB ID Length */ + oct = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_5tac, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_etac, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_en_gnb_id_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + + /* Octet 10 to 13 en-gNB ID */ + proto_tree_add_item(tree, hf_gtpv2_en_gnb_id, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + if ((oct & 0x40) == 0x40) { + /* ETAC*/ + /* p to (p+1 */ + proto_tree_add_item(tree, hf_gtpv2_tac, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + } + if ((oct & 0x80) == 0x80) { + /* 5 TAC*/ + /* q to(q + 2) */ + proto_tree_add_item(tree, hf_gtpv2_5gs_tac, tvb, offset, 3, ENC_BIG_ENDIAN); + } + return; + + default: + break; + } + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, length-offset); + +} + +/* + * 8.52 Void + */ +/* + * 8.53 Packet Flow ID + */ +static void +dissect_gtpv2_pkt_flow_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + /* Octet 5 Spare EBI */ + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset << 3, 4, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_ebi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Packet Flow ID */ + proto_tree_add_item(tree, hf_gtpv2_packet_flow_id, tvb, offset, length - 1, ENC_NA); + +} +/* + * 8.54 RAB Context + */ +static void +dissect_gtpv2_rab_context(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + /* 5 Spare NSAPI */ + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset << 3, 4, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_nsapi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + + /* 6 to 7 DL GTP-U Sequence Number */ + proto_tree_add_item(tree, hf_gtpv2_dl_gtp_u_sequence_number, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + /* 8 to 9 UL GTP-U Sequence Number */ + proto_tree_add_item(tree, hf_gtpv2_ul_gtp_u_sequence_number, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + /* 10 to 11 DL PDCP Sequence Number */ + proto_tree_add_item(tree, hf_gtpv2_dl_pdcp_sequence_number, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + /* 12 to 13 UL PDCP Sequence Number */ + proto_tree_add_item(tree, hf_gtpv2_ul_pdcp_sequence_number, tvb, offset, 2, ENC_BIG_ENDIAN); + +} + +/* + * 8.55 Source RNC PDCP context info + */ +static void +dissect_gtpv2_s_rnc_pdcp_ctx_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_item(tree, hf_gtpv2_rrc_container, tvb, 0, length, ENC_NA); +} + +/* + * 8.56 UDP Source Port Number + */ +static void +dissect_udp_s_port_nr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_item(tree, hf_gtpv2_upd_source_port_number, tvb, 0, 2, ENC_BIG_ENDIAN); + proto_item_append_text(item, "%u", tvb_get_ntohs(tvb, 0)); +} +/* + * 8.57 APN Restriction + */ + +/* Table 8.57-1: Valid Combinations of APN Restriction */ +static const value_string gtpv2_apn_restriction_vals[] = { + {0, "No Existing Contexts or Restriction"}, + {1, "Public-1"}, + {2, "Public-2"}, + {3, "Private-1"}, + {4, "Private-2"}, + {0, NULL} +}; +static value_string_ext gtpv2_apn_restriction_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_apn_restriction_vals); + +static void +dissect_gtpv2_apn_rest(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + guint8 type_value; + int offset = 0; + + /* APN restriction value octet 5 */ + type_value = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_apn_rest, tvb, offset, 1, ENC_BIG_ENDIAN); + + /* Add APN restriction to ie_tree */ + proto_item_append_text(item, "%s (%u)", val_to_str_ext_const(type_value, >pv2_apn_restriction_vals_ext, "Unknown"), type_value); + offset += 1; + + if (length > offset) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-offset, ENC_NA); +} + +/* + * 8.58 Selection Mode + */ +static const value_string gtpv2_selec_mode_vals[] = { + {0, "MS or network provided APN, subscribed verified"}, + {1, "MS provided APN, subscription not verified"}, + {2, "Network provided APN, subscription not verified"}, + {3, "Network provided APN, subscription not verified (Basically for Future use"}, + {0, NULL} +}; + +void +dissect_gtpv2_selec_mode(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 ss_mode; + + ss_mode = tvb_get_guint8(tvb, offset) & 0x03; + proto_tree_add_item(tree, hf_gtpv2_selec_mode, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_item_append_text(item, "%s", val_to_str_const(ss_mode, gtpv2_selec_mode_vals, "Unknown")); +} + + +/* + * 8.59 Source Identification + */ +#if 0 +static const value_string gtpv2_source_ident_types[] = { + {0, "Cell ID"}, + {1, "RNC ID"}, + {2, "eNodeB ID(Reserved, used in earlier v of proto.)"}, + {0, NULL} +}; +#endif +static void +dissect_gtpv2_source_ident(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 source_type; + + /* Octet 5 to 12 Target Cell ID */ + de_cell_id(tvb, tree, pinfo, offset, 8, NULL, 0); + offset += 8; + /* Octet 13 Source Type */ + source_type = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_source_type, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + /* Octet 14 to (n+4) Source ID */ + switch (source_type) { + case 0: + /* The Source Type is Cell ID for PS handover from GERAN A/Gb mode. In this case the coding of the Source ID field + * shall be same as the Octets 3 to 10 of the Cell Identifier IEI in 3GPP TS 48.018 [34]. + */ + de_cell_id(tvb, tree, pinfo, offset, 8, NULL, 0); + break; + case 1: + /* The Source Type is RNC ID for PS handover from GERAN Iu mode or for inter-RAT handover from UTRAN. In this + * case the Source ID field shall be encoded as the Source RNC-ID part of the "Source ID" parameter in 3GPP TS + * 25.413 [33]. + */ + /* RNC-ID M INTEGER (0..4095) */ + break; + case 2: + break; + default: + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_source_type_unknown, tvb, offset-1, 1); + break; + } + +} + + /* + * 8.60 Bearer Control Mode + */ +static const value_string gtpv2_bearer_control_mode_vals[] = { + {0, "Selected Bearer Control Mode-'MS_only'"}, + {1, "Selected Bearer Control Mode-'Network_only'"}, + {2, "Selected Bearer Control Mode-'MS/NW'"}, + {0, NULL} +}; + +static const value_string gtpv2_bearer_control_mode_short_vals[] = { + {0, "MS_only"}, + {1, "Network_only"}, + {2, "MS/NW"}, + {0, NULL} +}; + +static void +dissect_gtpv2_bearer_control_mode(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + guint8 bcm; + + proto_tree_add_item(tree, hf_gtpv2_bearer_control_mode, tvb, 0, 1, ENC_BIG_ENDIAN); + /* Add Bearer Control Mode to tree */ + bcm = tvb_get_guint8(tvb, 0); + proto_item_append_text(item, "%s", val_to_str_const(bcm, gtpv2_bearer_control_mode_short_vals, "Unknown")); + +} +/* + * 8.61 Change Reporting Action + */ +static const value_string gtpv2_cng_rep_act_vals[] = { + {0, "Stop Reporting"}, + {1, "Start Reporting CGI/SAI"}, + {2, "Start Reporting RAI"}, + {3, "Start Reporting TAI"}, + {4, "Start Reporting ECGI"}, + {5, "Start Reporting CGI/SAI and RAI"}, + {6, "Start Reporting TAI and ECGI"}, + {0, NULL} +}; + +static void +dissect_gtpv2_cng_rep_act(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + guint8 action; + + /* Add Action to tree */ + action = tvb_get_guint8(tvb, 0); + proto_tree_add_item(tree, hf_gtpv2_cng_rep_act, tvb, 0, 1, ENC_BIG_ENDIAN); + + proto_item_append_text(item, "%s", val_to_str_const(action, gtpv2_cng_rep_act_vals, "Unknown")); +} +/* + * 8.62 Fully qualified PDN Connection Set Identifier (FQ-CSID) + */ +#if 0 +static const value_string gtpv2_fq_csid_type_vals[] = { + {0, "Global unicast IPv4 address"}, + {1, "Global unicast IPv6 address"}, + {2, "4 octets long field"}, + {0, NULL} +}; +#endif + +void +dissect_gtpv2_fq_csid(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 octet, node_id_type, csids; + + /* Octet 5 Node-ID Type Number of CSIDs= m */ + + octet = tvb_get_guint8(tvb, offset); + node_id_type = octet >> 4; + csids = octet & 0x0f; + proto_tree_add_item(tree, hf_gtpv2_fq_csid_type, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_fq_csid_nr, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + switch (node_id_type) { + case 0: + /* Indicates that Node-ID is a global unicast IPv4 address and p = 9 */ + proto_tree_add_item(tree, hf_gtpv2_fq_csid_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + break; + case 1: + /* Indicates that Node-ID is a global unicast IPv6 address and p = 21 */ + proto_tree_add_item(tree, hf_gtpv2_fq_csid_ipv6, tvb, offset, 16, ENC_NA); + offset += 16; + break; + case 2: + /* Node-ID is a 4 octets long field with a 32 bit value stored in network order, and p= 9. The coding + * of the field is specified below: + * - Most significant 20 bits are the binary encoded value of (MCC * 1000 + MNC). + * - Least significant 12 bits is a 12 bit integer assigned by an operator to an MME, SGW or PGW. Other values of + * Node-ID Type are reserved. + */ + proto_tree_add_item(tree, hf_gtpv2_fq_csid_node_id, tvb, offset, 4, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_fq_csid_mcc_mnc, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + break; + default: + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_fq_csid_type_bad, tvb, offset-1, 1, + "Wrong Node-ID Type %u, should be 0-2(Or this is a newer spec)", node_id_type); + return; + } + + /* First PDN Connection Set Identifier (CSID) + * Second PDN Connection Set Identifier (CSID) + * : + * m-th PDN Connection Set Identifier (CSID) + */ + while ( csids-- ) { + proto_tree_add_item(tree, hf_gtpv2_fq_csid_id, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + } + +} + +/* + * 8.63 Channel needed + */ +static void +dissect_gtpv2_channel_needed(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + /* The Channel needed shall be coded as depicted in Figure 8.63-1. Channel needed is coded as the IEI part and the value + * part of the Channel Needed IE defined in 3GPP TS 44.018[28] + */ + de_rr_chnl_needed(tvb, tree, pinfo, 0, length, NULL, 0); +} + +/* + * 8.64 eMLPP Priority + * The eMLPP-Priority shall be coded as depicted in Figure 8.64-1. The eMLPP Priority is coded as the value part of the + * eMLPP-Priority IE defined in 3GPP TS 48.008 [29] (not including 3GPP TS 48.008 IEI and 3GPP TS 48.008 [29] + * length indicator). + */ +static void +dissect_gtpv2_emlpp_pri(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + be_emlpp_prio(tvb, tree, pinfo, 0, length, NULL, 0); + +} + +/* + * 8.65 Node Type + */ +static const value_string gtpv2_node_type_vals[] = { + {0, "MME"}, + {1, "SGSN"}, + {0, NULL} +}; + +static void +dissect_gtpv2_node_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + guint8 node_type; + + proto_tree_add_item(tree, hf_gtpv2_node_type, tvb, 0, 1, ENC_BIG_ENDIAN); + /* Append Node Type to tree */ + node_type = tvb_get_guint8(tvb, 0); + proto_item_append_text(item, "%s", val_to_str_const(node_type, gtpv2_node_type_vals, "Unknown")); + +} + + /* + * 8.66 Fully Qualified Domain Name (FQDN) + */ +static void +dissect_gtpv2_fqdn(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0, name_len; + const guint8 *fqdn = NULL; + + /* The FQDN field encoding shall be identical to the encoding of + * a FQDN within a DNS message of section 3.1 of IETF + * RFC 1035 [31] but excluding the trailing zero byte. + * + * XXX: is compression possible? + */ + if (length > 0) { + name_len = tvb_get_guint8(tvb, offset); + + /* "NOTE 1: The FQDN field in the IE is not encoded as a dotted string" + * but if the first byte is large (in the letter range or higher), + * assume that it is so encoded incorrectly. + */ + if (name_len < 0x40) { + proto_tree_add_item_ret_string(tree, hf_gtpv2_fqdn, tvb, offset, length, ENC_APN_STR, wmem_packet_scope(), &fqdn); + } else { + proto_tree_add_item_ret_string(tree, hf_gtpv2_fqdn, tvb, offset, length, ENC_ASCII, wmem_packet_scope(), &fqdn); + } + proto_item_append_text(item, "%s", fqdn); + } +} + +/* + * 8.67 Private Extension + */ +static void +dissect_gtpv2_private_ext(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance, session_args_t * args _U_) +{ + int offset = 0; + tvbuff_t *next_tvb; + guint16 ext_id; + gtpv2_priv_ext_info_t gtpv2_inf; + + gtpv2_inf.instance = instance; + gtpv2_inf.item = item; + + /* oct 5 -7 Enterprise ID */ + ext_id = tvb_get_ntohs(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_enterprise_id, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + proto_item_append_text(item, "%s (%u)", enterprises_lookup(ext_id, "Unknown"), ext_id); + + next_tvb = tvb_new_subset_length(tvb, offset, length-2); + if (dissector_try_uint_new(gtpv2_priv_ext_dissector_table, ext_id, next_tvb, pinfo, tree, FALSE, >pv2_inf)){ + return; + } + + proto_tree_add_item(tree, hf_gtpv2_proprietary_value, tvb, offset, length-2, ENC_NA); +} + +/* + * 8.68 Transaction Identifier (TI) + */ +static void +dissect_gtpv2_ti(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + /* 5 to (n+4) Transaction Identifier */ + proto_tree_add_item(tree, hf_gtpv2_ti, tvb, 0, length, ENC_NA); + +} + +/* + * 8.69 MBMS Session Duration + */ +void +dissect_gtpv2_mbms_session_duration(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + int bit_offset = 0; + guint32 days; + guint32 hours; + guint32 minutes; + guint32 seconds; + guint32 durations_seconds; + proto_item *day_item, *sec_item; + + /* From 3GPP TS 29.061 17.7.7 MBMS-Session-Duration AVP */ + /* Bits: ssss ssss ssss ssss sddd dddd where s bits = seconds, d bits = days */ + durations_seconds = tvb_get_bits32(tvb, bit_offset, 17, ENC_BIG_ENDIAN); + bit_offset += 17; + + days = tvb_get_bits32(tvb, bit_offset, 7, ENC_BIG_ENDIAN); + + /* The lowest value of this AVP (i.e. all 0:s) is reserved to indicate an indefinite value to denote sessions that are expected to be always-on. */ + if ((durations_seconds == 0) && (days == 0)) { + day_item = proto_tree_add_item(tree, hf_gtpv2_mbms_session_duration_days, tvb, offset, 3, ENC_BIG_ENDIAN); + sec_item = proto_tree_add_item(tree, hf_gtpv2_mbms_session_duration_secs, tvb, offset, 3, ENC_BIG_ENDIAN); + proto_item_append_text(item, "Indefinite (always-on)"); + } else { + hours = durations_seconds / 3600; + minutes = (durations_seconds % 3600) / 60; + seconds = (durations_seconds % 3600) % 60; + + day_item = proto_tree_add_item(tree, hf_gtpv2_mbms_session_duration_days, tvb, offset, 3, ENC_BIG_ENDIAN); + sec_item = proto_tree_add_item(tree, hf_gtpv2_mbms_session_duration_secs, tvb, offset, 3, ENC_BIG_ENDIAN); + proto_item_append_text(item, "%d days %02d:%02d:%02d (DD days HH:MM:SS)", days, hours, minutes, seconds); + } + + /* Maximum allowed value for days: 18. + * Maximum allowed value for seconds: 86,400 */ + if (days > 18) { + expert_add_info(pinfo, day_item, &ei_gtpv2_mbms_session_duration_days); + } + if (durations_seconds > 86400) { + expert_add_info(pinfo, sec_item, &ei_gtpv2_mbms_session_duration_secs); + } + + offset += 3; + if (length > 3) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-3, ENC_NA); +} + +/* + * 8.70 MBMS Service Area + */ +void +dissect_gtpv2_mbms_service_area(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + proto_item *sai_item; + guint8 binary_nr; + guint16 real_nr; + guint16 sai; + + binary_nr = tvb_get_guint8(tvb, offset); + real_nr = (guint16)binary_nr + 1; + + /* 3GPP TS 29.061 17.7.6 MBMS-Service-Area AVP */ + proto_tree_add_uint(tree, hf_gtpv2_mbms_service_area_nr, tvb, offset, 1, real_nr); + offset += 1; + + /* A consecutive list of MBMS Service Area Identities follow, each with a length of two octets. */ + while (offset < length) { + /* 3GPP TS 23.003 15.3 Structure of MBMS SAI */ + sai = tvb_get_ntohs(tvb, offset); + sai_item = proto_tree_add_item(tree, hf_gtpv2_mbms_service_area_id, tvb, offset, 2, ENC_BIG_ENDIAN); + /* The value 0 denotes the whole of PLMN as the MBMS Service Area */ + if (sai == 0) { + proto_item_append_text(sai_item, " Entire PLMN"); + } + proto_item_append_text(item, " %u", sai); + offset += 2; + } +} + +/* + * 8.71 MBMS Session Identifier + */ +static void +dissect_gtpv2_mbms_session_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, _U_ guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + /* One octet OctetString. */ + proto_tree_add_item(tree, hf_gtpv2_mbms_session_id, tvb, offset, 1, ENC_NA); + + offset += 1; + if (length > 1) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-1, ENC_NA); +} + +/* + * 8.72 MBMS Flow Identifier + */ +static void +dissect_gtpv2_mbms_flow_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + /* Two octets OctetString. */ + proto_tree_add_item(tree, hf_gtpv2_mbms_flow_id, tvb, offset, 2, ENC_NA); + proto_item_append_text(item, " %s", tvb_bytes_to_str(pinfo->pool, tvb, offset, 2)); + + offset += 2; + if (length > 2) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-2, ENC_NA); +} + +/* + * 8.73 MBMS IP Multicast Distribution + */ +static const value_string gtpv2_mbms_hc_indicator_vals[] = { + {0, "Uncompressed header"}, + {1, "Compressed header"}, + {0, NULL} +}; + +static void +dissect_gtpv2_mbms_ip_mc_dist(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_cteid, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + proto_tree_add_item(tree, hf_gtpv2_ip_addr_type, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_ip_addr_len, tvb, offset, 1, ENC_BIG_ENDIAN); + /* IP Multicast Distribution Address */ + if ((tvb_get_guint8(tvb, offset) & 0x3f) == 4) { + offset += 1; + proto_tree_add_item(tree, hf_gtpv2_mbms_ip_mc_dist_addrv4, tvb, offset, 4, ENC_BIG_ENDIAN); + proto_item_append_text(item, " IPv4 Dist %s", tvb_ip_to_str(pinfo->pool, tvb, offset)); + offset += 4; + } else if ((tvb_get_guint8(tvb, offset) & 0x3f) == 16) { + offset += 1; + proto_tree_add_item(tree, hf_gtpv2_mbms_ip_mc_dist_addrv6, tvb, offset, 16, ENC_NA); + proto_item_append_text(item, " IPv6 Dist %s", tvb_ip6_to_str(pinfo->pool, tvb, offset)); + offset += 16; + } + + proto_tree_add_item(tree, hf_gtpv2_ip_addr_type, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_ip_addr_len, tvb, offset, 1, ENC_BIG_ENDIAN); + /* IP Multicast Source Address */ + if ((tvb_get_guint8(tvb, offset) & 0x3f) == 4) { + offset += 1; + proto_tree_add_item(tree, hf_gtpv2_mbms_ip_mc_src_addrv4, tvb, offset, 4, ENC_BIG_ENDIAN); + proto_item_append_text(item, " IPv4 Src %s", tvb_ip_to_str(pinfo->pool, tvb, offset)); + offset += 4; + } else if ((tvb_get_guint8(tvb, offset) & 0x3f) == 16) { + offset += 1; + proto_tree_add_item(tree, hf_gtpv2_mbms_ip_mc_src_addrv6, tvb, offset, 16, ENC_NA); + proto_item_append_text(item, " IPv6 Src %s", tvb_ip6_to_str(pinfo->pool, tvb, offset)); + offset += 16; + } + + proto_tree_add_item(tree, hf_gtpv2_mbms_hc_indicator, tvb, offset, 1, ENC_BIG_ENDIAN); + + offset += 1; + if (length > offset) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-offset, ENC_NA); + +} + +/* + * 8.74 MBMS Distribution Acknowledge + */ +static const value_string gtpv2_mbms_dist_indication_vals[] = { + {0, "No RNCs have accepted IP multicast distribution"}, + {1, "All RNCs have accepted IP multicast distribution"}, + {2, "Some RNCs have accepted IP multicast distribution"}, + {3, "Spare. For future use."}, + {0, NULL} +}; + +static void +dissect_gtpv2_mbms_dist_ack(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_mbms_dist_indication, tvb, offset, 1, ENC_BIG_ENDIAN); + + offset += 1; + if (length > 1) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-1, ENC_NA); +} + +/* + * 8.75 User CSG Information (UCI) + */ +static const value_string gtpv2_uci_csg_membership_status[] = { + {0, "Non CSG membership"}, + {1, "CSG membership"}, + {0, NULL } +}; + +static const value_string gtpv2_uci_access_mode[] = { + {0, "Closed Mode"}, + {1, "Hybrid Mode"}, + {2, "Reserved" }, + {3, "Reserved"}, + {0, NULL } +}; + +static const value_string gtpv2_uci_leave_csg[] = { + {0, "Access CSG cell/Hybrid cell"}, + {1, "Leaves CSG cell/Hybrid cell"}, + {0, NULL } +}; + +static void +dissect_gtpv2_uci(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + /* Value of MCC & MNC */ + dissect_e212_mcc_mnc(tvb, pinfo, tree, 0, E212_NONE, TRUE); + offset += 3; + /* Value of CSG ID */ + proto_tree_add_item(tree, hf_gtpv2_uci_csg_id_spare, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_uci_csg_id, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + /* Value of access mode */ + proto_tree_add_item(tree, hf_gtpv2_uci_access_mode, tvb, offset, 1, ENC_BIG_ENDIAN); + + /* Value of LCSG */ + proto_tree_add_item(tree, hf_gtpv2_uci_lcsg, tvb, offset, 1, ENC_BIG_ENDIAN); + + /* Value of CSG membership */ + proto_tree_add_item(tree, hf_gtpv2_uci_csg_membership, tvb, offset, 1, ENC_BIG_ENDIAN); + +} + +/* 8.76 CSG Information Reporting Action */ +static void +dissect_gtpv2_csg_info_rep_action(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + static int * const flags[] = { + &hf_gtpv2_csg_info_rep_action_b2, + &hf_gtpv2_csg_info_rep_action_b1, + &hf_gtpv2_csg_info_rep_action_b0, + NULL + }; + if (length == 0) { + expert_add_info(pinfo, item, &ei_gtpv2_ie_len_invalid); + return; + } + /* Spare UCIUHC UCISHC UCICSG */ + + proto_tree_add_bitmask_list(tree, tvb, offset, 1, flags, ENC_BIG_ENDIAN); + +} + +/* 8.77 RFSP Index */ +static void +dissect_gtpv2_rfsp_index(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + if(instance == 0){ + proto_tree_add_item(tree, hf_gtpv2_subscriber_rfsp, tvb, offset, 2, ENC_BIG_ENDIAN); + }else if(instance == 1){ + proto_tree_add_item(tree, hf_gtpv2_rfsp_inuse, tvb, offset, 2, ENC_BIG_ENDIAN); + } +} + +/* 8.78 CSG ID */ +static void +dissect_gtpv2_csg_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, 0, 5, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_csg_id, tvb, 0, 4, ENC_BIG_ENDIAN); + if (length > 1) { + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, 1, length-1, ENC_NA); + } +} + +/* 8.79 CSG Membership Indication (CMI) */ +static void +dissect_gtpv2_cmi(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, 0, 7, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_cmi, tvb, 0, 1, ENC_BIG_ENDIAN); + if (length > 1) { + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, 1, length-1, ENC_NA); + } +} + +/* 8.80 Service indicator */ +static const value_string gtpv2_service_indicator_vals[] = { + { 1, "CS call indicator" }, + { 2, "SMS indicator" }, + { 0, NULL } +}; + +static void +dissect_gtpv2_service_indicator(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_item(tree, hf_gtpv2_service_indicator, tvb, 0, 1, ENC_BIG_ENDIAN); +} + +/* 8.81 Detach Type */ +static const value_string gtpv2_detach_type_vals[] = { + { 1, "PS Detach" }, + { 2, "Combined PS/CS Detach" }, + { 0, NULL } +}; + +static void +dissect_gtpv2_detach_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_item(tree, hf_gtpv2_detach_type, tvb, 0, 1, ENC_BIG_ENDIAN); +} + +/* 8.82 Local Distinguished Name (LDN) */ +static void +dissect_gtpv2_ldn(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_item(tree, hf_gtpv2_ldn, tvb, 0, length, ENC_ASCII); +} + +/* 8.83 Node Features */ +static void +dissect_gtpv2_node_features(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + static int * const features[] = { + &hf_gtpv2_node_features_prn, + &hf_gtpv2_node_features_mabr, + &hf_gtpv2_node_features_ntsr, + &hf_gtpv2_node_features_ciot, + NULL + }; + + proto_tree_add_bitmask_list(tree, tvb, offset, 1, features, ENC_BIG_ENDIAN); + offset+=1; + if (length > 1) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-1, ENC_NA); +} + +/* 8.84 + * MBMS Time to Data Transfer + */ +void +dissect_gtpv2_mbms_time_to_data_xfer(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 binary_secs; + guint16 real_secs; + + binary_secs = tvb_get_guint8(tvb, offset); + real_secs = (guint16)binary_secs + 1; + + proto_tree_add_string_format_value(tree, hf_gtpv2_time_to_data_xfer, tvb, offset, 1, "", "%d second(s)", real_secs); + proto_item_append_text(item, " %u second(s)", real_secs); + offset += 1; + if (length > 1) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-1, ENC_NA); +} + +static const value_string gtpv2_throttling_delay_unit_vals[] = { + { 0, "value is incremented in multiples of 2 seconds" }, + { 1, "value is incremented in multiples of 1 minute" }, + { 2, "value is incremented in multiples of 10 minutes" }, + { 3, "value is incremented in multiples of 1 hour" }, + { 4, "value is incremented in multiples of 10 hour" }, + { 7, "value indicates that the timer is deactivated" }, + { 0, NULL } +}; + +/* 8.85 Throttling */ +static void +dissect_gtpv2_throttling(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 oct; + + proto_tree_add_item(tree, hf_gtpv2_throttling_delay_unit, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_throttling_delay_value, tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + + oct = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_throttling_factor, tvb, offset, 1, ENC_BIG_ENDIAN); + if (oct > 0x64) + proto_item_append_text(item, "Throttling factor: value beyond (0,100) is considered as 0"); + offset++; + + if (length > 2) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length - 2, ENC_NA); + + +} + +/* 8.86 Allocation/Retention Priority (ARP) */ +void +dissect_gtpv2_arp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_arp_pci, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_arp_pl, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_arp_pvi, tvb, offset, 1, ENC_BIG_ENDIAN); + + offset += 1; + if (length > 1) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-1, ENC_NA); +} + +/* 8.87 EPC Timer */ +static const value_string gtpv2_timer_unit_vals[] = { + {0, "value is incremented in multiples of 2 seconds"}, + {1, "value is incremented in multiples of 1 minute"}, + {2, "value is incremented in multiples of 10 minutes"}, + {3, "value is incremented in multiples of 1 hour"}, + {4, "value is incremented in multiples of 10 hour"}, + {5, "Other values shall be interpreted as multiples of 1 minute(version 10.7.0)"}, + {6, "Other values shall be interpreted as multiples of 1 minute(version 10.7.0)"}, + {7, "value indicates that the timer is infinite"}, + {0, NULL} +}; + +void +dissect_gtpv2_epc_timer(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type, guint8 instance _U_, session_args_t * args _U_) +{ + switch (message_type) { + case GTPV2_DL_DATA_NOTIF_ACK: + proto_item_append_text(item, "DL Buffering Duration"); + break; + } + /* XXX Todo: use code from packaet-gsm_a_gm.c ? 10.5.7.4a GPRS TIMER 3*/ + proto_tree_add_item(tree, hf_gtpv2_timer_unit, tvb, 0, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_timer_value, tvb, 0, 1, ENC_BIG_ENDIAN); + +} + +/* 8.88 Signalling Priority Indication */ +static void +dissect_gtpv2_sig_prio_ind(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_item(tree, hf_gtpv2_lapi, tvb, 0, 1, ENC_BIG_ENDIAN); +} + +/* 8.89 Temporary Mobile Group Identity (TMGI) */ +static void +dissect_gtpv2_tmgi(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint64 tmgi; + + tmgi = tvb_get_ntoh48(tvb, offset); + + proto_item_append_text(item, "%012" PRIx64, tmgi); + + proto_tree_add_item(tree, hf_gtpv2_mbms_service_id, tvb, offset, 3, ENC_NA); + offset += 3; + + dissect_e212_mcc_mnc(tvb, pinfo, tree, offset, E212_NONE, TRUE); + offset += 3; + + if (length > offset) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-offset, ENC_NA); +} + +/* + * 8.90 Additional MM context for SRVCC + * 3GPP TS 29.274 Figure 8.90-1 + */ +static void +dissect_gtpv2_add_mm_cont_for_srvcc(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + proto_item *ms_cm_item; + proto_tree *ms_cm_tree; + guint8 elm_len; + + /* Length of Mobile Station Classmark 2 */ + elm_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_len_ms_classmark2, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* For each of the Mobile Station Classmark 2, Mobile Station Classmark 3 and Supported Codec List parameters, + * if they are not available, then the associated length field shall be set to zero, and the particular + * parameter field shall not be present. + */ + if(elm_len > 0){ + ms_cm_item = proto_tree_add_item(tree, hf_gtpv2_mobile_station_classmark2, tvb, offset, elm_len, ENC_NA); + ms_cm_tree = proto_item_add_subtree(ms_cm_item, ett_gtpv2_ms_mark); + /* Mobile Station Classmark 2 */ + de_ms_cm_2(tvb, ms_cm_tree, pinfo, offset, elm_len, NULL, 0); + offset += elm_len; + } + + /* Length of Mobile Station Classmark 3 */ + elm_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_len_ms_classmark3, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + if (elm_len > 0) { + ms_cm_item = proto_tree_add_item(tree, hf_gtpv2_mobile_station_classmark3, tvb, offset, elm_len, ENC_NA); + ms_cm_tree = proto_item_add_subtree(ms_cm_item, ett_gtpv2_ms_mark); + /* Mobile Station Classmark 3 */ + de_ms_cm_3(tvb, ms_cm_tree, pinfo, offset, elm_len, NULL, 0); + offset += elm_len; + } + + /* Length of Supported Codec List */ + elm_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_len_supp_codec_list, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + if (elm_len > 0) { + ms_cm_item = proto_tree_add_item(tree, hf_gtpv2_supported_codec_list, tvb, offset, elm_len, ENC_NA); + ms_cm_tree = proto_item_add_subtree(ms_cm_item, ett_gtpv2_supp_codec_list); + /* Supported Codec List */ + de_sup_codec_list(tvb, ms_cm_tree, pinfo, offset, elm_len, NULL, 0); + offset += elm_len; + } + + if (length > offset) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-offset, ENC_NA); +} + +/* 8.91 Additional flags for SRVCC */ +static void +dissect_gtpv2_add_flags_for_srvcc(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_add_flags_for_srvcc_ics, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_vsrvcc_flag, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + if (length > 1) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-1, ENC_NA); +} + +/* 8.92 Max MBR/APN-AMBR (MMBR) */ +static void +dissect_gtpv2_mmbr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint32 max_ul; + guint32 max_dl; + + max_ul = tvb_get_ntohl(tvb, offset); + proto_tree_add_uint_format_value(tree, hf_gtpv2_mmbr_ul, tvb, offset, 4, max_ul, "%u %s", + (max_ul) > 1000 ? max_ul/1000 : max_ul, + (max_ul) > 1000 ? "Mbps" : "kbps"); + + offset += 4; + + max_dl = tvb_get_ntohl(tvb, offset); + proto_tree_add_uint_format_value(tree, hf_gtpv2_mmbr_dl, tvb, offset, 4, max_dl, "%u %s", + (max_dl) > 1000 ? max_dl/1000 : max_dl, + (max_dl) > 1000 ? "Mbps" : "kbps"); +} + +/* 8.93 MDT Configuration */ +static void +dissect_gtpv2_mdt_config(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* 8.94 Additional Protocol Configuration Options (APCO) */ +static void +dissect_gtpv2_apco(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + switch (message_type) { + case GTPV2_CREATE_SESSION_REQUEST: + case GTPV2_DELETE_SESSION_REQUEST: + case GTPV2_BEARER_RESOURCE_COMMAND: + case GTPV2_CREATE_BEARER_RESPONSE: + case GTPV2_UPDATE_BEARER_RESPONSE: + case GTPV2_DELETE_BEARER_RESPONSE: + /* PCO options as MS to network direction */ + pinfo->link_dir = P2P_DIR_UL; + break; + case GTPV2_CREATE_SESSION_RESPONSE: + case GTPV2_MODIFY_BEARER_RESPONSE: + case GTPV2_DELETE_SESSION_RESPONSE: + case GTPV2_CREATE_BEARER_REQUEST: + case GTPV2_UPDATE_BEARER_REQUEST: + case GTPV2_DELETE_BEARER_REQUEST: + /* PCO options as Network to MS direction: */ + pinfo->link_dir = P2P_DIR_DL; + break; + default: + break; + } + de_sm_pco(tvb, tree, pinfo, 0, length, NULL, 0); +} + +/* 8.95 Absolute Time of MBMS Data Transfer */ +static void +dissect_gtpv2_abs_mbms_data_tf_time(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + char *time_str; + + proto_tree_add_item_ret_time_string(tree, hf_gtpv2_abs_time_mbms_data, tvb, offset, 8, ENC_TIME_NTP | ENC_BIG_ENDIAN, pinfo->pool, &time_str); + proto_item_append_text(item, "%s", time_str); + + offset += 8; + if (length > offset) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-offset, ENC_NA); +} + +/* 8.96 H(e)NB Information Reporting */ +static const true_false_string gtpv2_henb_info_report_fti_vals = { + "Start reporting H(e)NB local IP address and UDP port number information change", + "Stop reporting H(e)NB local IP address and UDP port number information change", +}; + +static void +dissect_gtpv2_henb_info_report(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_henb_info_report_fti, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + if (length > 1) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-1, ENC_NA); +} + +/* 8.97 IPv4 Configuration Parameters (IP4CP) */ +static void +dissect_gtpv2_ip4cp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_ip4cp_subnet_prefix_len, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + proto_tree_add_item(tree, hf_gtpv2_ip4cp_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + if (length > offset) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-offset, ENC_NA); +} + +/* 8.98 Change to Report Flags */ +static void +dissect_gtpv2_change_report_flags(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_change_report_flags_sncr, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_change_report_flags_tzcr, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + if (length > 1) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-1, ENC_NA); +} + +/* 8.99 Action Indication */ +static const value_string gtpv2_action_indication_vals[] = { + { 0, "No Action"}, + { 1, "Deactivation Indication"}, + { 2, "Paging Indication"}, + { 3, "Spare"}, + { 4, "Spare"}, + { 5, "Spare"}, + { 6, "Spare"}, + { 7, "Spare"}, + { 0, NULL} +}; +static value_string_ext gtpv2_action_indication_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_action_indication_vals); + +static void +dissect_gtpv2_action_indication(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_action_indication_val, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + if (length > 1) + proto_tree_add_item(tree, hf_gtpv2_spare_bytes, tvb, offset, length-1, ENC_NA); +} + +/* + * 8.100 TWAN Identifier + */ +static const value_string gtpv2_twan_relay_id_type_vals[] = { + { 0, "IPv4 or IPv6 Address" }, + { 1, "FQDN" }, + { 0, NULL } +}; + +void +dissect_gtpv2_twan_identifier(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 flags=0; + guint32 ssid_len, civa_len, op_name_len, relay_id_type, relay_id_len, circuit_id_id_len; + static int* const twan_id_flags[] = { + &hf_gtpv2_twan_laii, + &hf_gtpv2_twan_opnai, + &hf_gtpv2_twan_plmni, + &hf_gtpv2_twan_civai, + &hf_gtpv2_twan_bssidi, + NULL + }; + + /* Octet 5 Spare LAII OPNAI PLMNI CIVAI BSSIDI */ + flags = tvb_get_guint8(tvb, offset); + proto_tree_add_bitmask(tree, tvb, offset, hf_gtpv2_twan_flags, ett_gtpv2_twan_flags, twan_id_flags, ENC_BIG_ENDIAN); + offset++; + /* Octet 6 SSID Length */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_twan_ssid_len, tvb, offset, 1, ENC_BIG_ENDIAN, &ssid_len); + offset += 1; + /* 7 to k SSID */ + proto_tree_add_item(tree, hf_gtpv2_twan_ssid, tvb, offset, ssid_len, ENC_NA); + offset += ssid_len; + /* (k+1) to (k+6) BSSID The BSSIDI flag in octet 5 indicates whether the BSSID in octets 'k+1' to 'k+6' shall be present.*/ + if (flags & 0x01) { + proto_tree_add_item(tree, hf_gtpv2_twan_bssid, tvb, offset, 6, ENC_NA); + offset += 6; + } + /* q Civic Address Length The CIVAI flag in octet 5 indicates whether the Civic Address Length + * and Civic Address Information in octets 'q' and 'q+1' to 'q+r' shall be present. + */ + if (flags & 0x02) { + proto_tree_add_item_ret_uint(tree, hf_gtpv2_twan_civa_len, tvb, offset, 1, ENC_BIG_ENDIAN, &civa_len); + offset += 1; + /* (q+1) to (q+r) Civic Address Information + * ...it shall be encoded as defined in subclause 3.1 of IETF RFC 4776 [59] excluding the first 3 octets. + * RFC 4776: + * 3.1. Overall Format for DHCPv4 + + * 0 1 2 3 + * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | GEOCONF_CIVIC | N | what | country | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | code | civic address elements ... + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + */ + proto_tree_add_item(tree, hf_gtpv2_twan_civa, tvb, offset, civa_len, ENC_NA); + offset += civa_len; + } + /* s to (s+3) TWAN PLMN-ID The PLMNI flag in octet 5 indicates whether the TWAN PLMN-ID + * in octets 's' to 's+3' shall be present + */ + if (flags & 0x04) { + proto_tree_add_item(tree, hf_gtpv2_twan_plmnid, tvb, offset, 3, ENC_NA); + offset += 3; + /* (q+1) to (q+r) Civic Address Information + * ...it shall be encoded as defined in subclause 3.1 of IETF RFC 4776 [59] excluding the first 3 octets. + */ + } + /* t TWAN Operator Name Length, The OPNAI flag in octet 5 indicates whether the TWAN Operator Name Length and + * TWAN Operator Name in octets 't' and 't+1' to 't+u' shall be present. + */ + if (flags & 0x08) { + proto_tree_add_item_ret_uint(tree, hf_gtpv2_twan_op_name_len, tvb, offset, 1, ENC_BIG_ENDIAN, &op_name_len); + offset += 1; + /* (t+1) to (t+u) TWAN Operator Name. The TWAN Operator Name shall be encoded as specified in subclause 19. 8 of 3GPP TS 23.003 */ + proto_tree_add_item(tree, hf_gtpv2_twan_op_name, tvb, offset, op_name_len, ENC_NA); + offset += op_name_len; + } + /* The LAII flag in octet 5 indicates whether the Logical Access ID information is present in the TWAN Identifier */ + if (flags & 0x10) { + /* v Relay Identity Type */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_twan_relay_id_type, tvb, offset, 1, ENC_BIG_ENDIAN, &relay_id_type); + offset += 1; + /* (v+1) Relay Identity Length*/ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_twan_relay_id_len, tvb, offset, 1, ENC_BIG_ENDIAN, &relay_id_len); + offset += 1; + /* (v+2) to (v+w) Relay Identity */ + switch (relay_id_type) { + case 0: + /* IPv4 or IPv6 Address */ + if (relay_id_len == 4) { + /* IPv4 */ + proto_tree_add_item(tree, hf_gtpv2_twan_relay_id_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + } else { + proto_tree_add_item(tree, hf_gtpv2_twan_relay_id_ipv6, tvb, offset, 16, ENC_NA); + offset += 16; + } + break; + case 1: + /* fall trough */ + proto_tree_add_item(tree, hf_gtpv2_twan_relay_id, tvb, offset, relay_id_len, ENC_ASCII); + offset += relay_id_len; + default: + break; + } + /* X Circuit-ID Length */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_twan_circuit_id_len, tvb, offset, 1, ENC_BIG_ENDIAN, &circuit_id_id_len); + offset += 1; + /* (x+1) to (x+y) Circuit-ID */ + proto_tree_add_item(tree, hf_gtpv2_twan_circuit_id, tvb, offset, circuit_id_id_len, ENC_NA); + offset += circuit_id_id_len; + } + + if (offset < (gint)length) { + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, -1, "The rest of the IE not dissected yet"); + } + +} +/* + * 8.101 ULI Timestamp + */ +static void +dissect_gtpv2_uli_timestamp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + char *time_str; + + /* Octets 5 to 8 are encoded in the same format as the first four octets of the 64-bit timestamp + * format as defined in section 6 of IETF RFC 5905 + */ + + proto_tree_add_item_ret_time_string(tree, hf_gtpv2_uli_timestamp, tvb, 0, 4, ENC_TIME_NTP|ENC_BIG_ENDIAN, pinfo->pool, &time_str); + proto_item_append_text(item, "%s", time_str); + +} +/* + * 8.102 MBMS Flags + */ +static void +dissect_gtpv2_mbms_flags(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} +/* + * 8.103 RAN/NAS Cause + */ +static const value_string ran_nas_prot_type_vals[] = { + { 1, "S1AP Cause" }, + { 2, "EMM Cause" }, + { 3, "ESM Cause" }, + { 4, "Diameter Cause" }, + { 5, "IKEv2 Cause" }, + { 0, NULL }, +}; + +static void +dissect_gtpv2_ran_nas_cause(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 octet = tvb_get_guint8(tvb, offset); + guint8 proto_type = (octet >> 4); + int cause_type = 0; + + proto_tree_add_item(tree, hf_gtpv2_ran_nas_protocol_type, tvb, offset, 1, ENC_BIG_ENDIAN); + + if (proto_type == 1) { + proto_tree_add_item(tree, hf_gtpv2_ran_nas_cause_type, tvb, offset, 1, ENC_BIG_ENDIAN); + cause_type = octet & 0x0F; + } + offset += 1; + + switch (proto_type) { + case 1: + dissect_gtpv2_s1ap_cause(tvb, pinfo, tree, offset, cause_type); + break; + case 2: + proto_tree_add_item(tree, hf_gtpv2_emm_cause, tvb, offset, 1, ENC_BIG_ENDIAN); + break; + case 3: + proto_tree_add_item(tree, hf_gtpv2_esm_cause, tvb, offset, 1, ENC_BIG_ENDIAN); + break; + case 4: + proto_tree_add_item(tree, hf_gtpv2_diameter_cause, tvb, offset, 2, ENC_BIG_ENDIAN); + break; + case 5: + proto_tree_add_item(tree, hf_gtpv2_ikev2_cause, tvb, offset, 2, ENC_BIG_ENDIAN); + break; + default: + proto_tree_add_item(tree, hf_gtpv2_ran_nas_cause_value, tvb, offset, length - offset, ENC_BIG_ENDIAN); + break; + } +} +/* + * 8.104 CN Operator Selection Entity + */ +static void +dissect_gtpv2_cn_operator_selection_entity(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} +/* + * 8.105 Trusted WLAN Mode Indication + */ +static void +dissect_gtpv2_trust_wlan_mode_ind(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} +/* + * 8.106 Node Number + */ +static void +dissect_gtpv2_node_number(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint32 len; + tvbuff_t* new_tvb; + + /* Octet 5 Length of Node Number*/ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_node_number_len, tvb, offset, 1, ENC_BIG_ENDIAN, &len); + offset += 1; + + /* The Node number shall carry an ISDN number... + * shall be coded according to the contents of ISDN-AddressString data type + * defined in 3GPP TS 29.002 + */ + new_tvb = tvb_new_subset_length(tvb, offset, len); + dissect_gsm_map_msisdn(new_tvb, pinfo, tree); +} +/* + * 8.107 Node Identifier + */ +static void +dissect_gtpv2_node_identifier(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint32 name_len; + + /* + RFC 6733 + DiameterIdentity + + The DiameterIdentity format is derived from the OctetString Basic + AVP Format....In this document, note that DiameterIdentity is + in ASCII form. + + TS 29.274 + + If the Node Identifier contains a SGSN Identifier then: + - the Node Name shall be coded as the Diameter identity of the SGSN as defined in subclause 6.4.13 of 3GPP TS 29.173 [57] and; + - the Node Realm shall be coded as the Diameter realm identity of the SGSN and as defined in subclause 6.4.14 of 3GPP TS 29.173 [57] and; + - Both the Node Name and the Node Realm shall be present and neither the Length of Node Name nor the Length of Node Realm shall be zero. + 6.4.13 SGSN-Name + The SGSN-Name AVP is of type DiameterIdentity...see IETF RFC 6733 + 6.4.14 SGSN-Realm + The SGSN-Realm AVP is of type DiameterIdentity...see IETF RFC 6733 + + If the Node Identifier contains a MME Identifier then: + - the Node Name shall be coded as the Diameter identity of the MME as defined in subclause 6.4.4 of 3GPP TS 29.173 [57] and; + - the Node Realm shall be coded as the Diameter realm identity of the MME as defined in subclause 6.4.12 of 3GPP TS 29.173 [57] and; + - Both the Node Name and the Node Realm shall be present and neither the Length of Node Name nor the Length of Node Realm shall be zero. + 6.4.4 MME-Name + The MME-Name AVP is of type DiameterIdentity...see IETF RFC 6733 + 6.4.12 MME-Realm + The MME-Realm AVP is of type DiameterIdentity...see IETF RFC 6733 + + If the Node Identifer contains a 3GPP AAA Server Identifier then: + - the Node Name shall be coded as the 3GPP-AAA-Server-Name as defined in subclause 8.2.3.24 of 3GPP TS 29.273 [68] and; + 8.2.3.24 3GPP-AAA-Server-Name + The 3GPP-AAA-Server-Name AVP is of type DiameterIdentity + - the Node Realm shall be coded as the Diameter realm of the 3GPP AAA server in the format of a Diameter identity as defined in IETF RFC 3588 [39]. + + If the Node Identifier contains an SCEF/IWK-SCEF information, then: + - the Node Name shall be coded as the SCEF-ID as defined in subclause 8.4.5 of 3GPP TS 29.336 [69] and; + 8.4.5 SCEF-ID + The SCEF- ID AVP is of type DiameterIdentity + - the Node Realm shall be coded as the Diameter realm of the SCEF as defined in subclause 7.3.207 of 3GPP TS 29.272 [70]. + + */ + /* Octet 5 Length of Node Name */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_length_of_node_name, tvb, offset, 1, ENC_BIG_ENDIAN, &name_len); + offset++; + /* Node Name */ + proto_tree_add_item(tree, hf_gtpv2_node_name, tvb, offset, name_len, ENC_UTF_8 | ENC_NA); + offset = offset + name_len; + /* Length of Node Realm */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_length_of_node_realm, tvb, offset, 1, ENC_BIG_ENDIAN, &name_len); + offset++; + /* Node Realm */ + proto_tree_add_item(tree, hf_gtpv2_node_realm, tvb, offset, name_len, ENC_UTF_8 | ENC_NA); + offset = offset + name_len; + if(offset < length){ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, length- offset); + } +} +/* + * 8.108 Presence Reporting Area Action + */ + +/* + * The Presence-Reporting-Area-Elements-List AVP (AVP code 2820) + * is of type Octetstring and is coded as specified in 3GPP TS 29.274 [22] + * in Presence Reporting Area Action IE, starting from octet 9. + */ + +static int +dissect_diameter_3gpp_presence_reporting_area_elements_list(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_) +{ + /*diam_sub_dis_t *diam_sub_dis = (diam_sub_dis_t*)data;*/ + proto_tree *sub_tree; + proto_item *item; + int offset = 0, i; + guint length; + guint32 no_tai, no_rai, no_mENB, no_hENB, no_ECGI, no_sai, no_cgi, no_ext_mENB; + gchar *append_str; + length = tvb_reported_length(tvb); + + /* Octet 9 Number of TAI Number of RAI */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_pres_rep_area_act_no_tai, tvb, offset, 1, ENC_BIG_ENDIAN, &no_tai); + proto_tree_add_item_ret_uint(tree, hf_gtpv2_pres_rep_area_act_no_rai, tvb, offset, 1, ENC_BIG_ENDIAN, &no_rai); + offset++; + /* Octet 10 Spare Number of Macro eNodeB */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_pres_rep_area_act_no_m_enodeb, tvb, offset, 1, ENC_BIG_ENDIAN, &no_mENB); + offset++; + /* Octet 11 Spare Number of Home eNodeB */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_pres_rep_area_act_no_h_enodeb, tvb, offset, 1, ENC_BIG_ENDIAN, &no_hENB); + offset++; + /* Octet 12 Spare Number of ECGI */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_pres_rep_area_act_no_ecgi, tvb, offset, 1, ENC_BIG_ENDIAN, &no_ECGI); + offset++; + /* Octet 13 Spare Number of SAI */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_pres_rep_area_act_no_sai, tvb, offset, 1, ENC_BIG_ENDIAN, &no_sai); + offset++; + /* Octet 14 Spare Number of CGI */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_pres_rep_area_act_no_cgi, tvb, offset, 1, ENC_BIG_ENDIAN, &no_cgi); + offset++; + /* Octet 15 to k TAIs [1..15] */ + i = 1; + while (no_tai > 0){ + sub_tree = proto_tree_add_subtree_format(tree, tvb, offset, 5, ett_gtpv2_preaa_tais, &item, "Tracking Area Identity (TAI) Number %u",i); + append_str = dissect_gtpv2_tai(tvb, pinfo, sub_tree, &offset, FALSE); + proto_item_append_text(item, " %s",append_str); + i++; + no_tai--; + } + /* Octet (k+1) to m Macro eNB IDs [1..63] + * Macro eNB IDs in octets 'k+1' to 'm', if any, shall be encoded as per octets 6 to 11 of the Target ID for type Macro eNodeB in figure 8.51-2. + * Octets 'k+1' to 'm' shall be absent if the field 'Number of Macro eNodeB' is set to the value '0'. + */ + i = 1; + while (no_mENB > 0){ + sub_tree = proto_tree_add_subtree_format(tree, tvb, offset, 6, ett_gtpv2_preaa_menbs, &item, "Macro eNB ID %u",i); + append_str = dissect_gtpv2_macro_enodeb_id(tvb, pinfo, sub_tree, &offset); + proto_item_append_text(item, " %s",append_str); + i++; + no_mENB--; + } + /* Octet (m+1) to p Home eNB IDs [1..63] + * Home eNB IDs in octets 'm+1' to 'p', if any, shall be encoded as per octets 6 to 12 of the Target ID for type Home eNodeB in figure 8.51-3. + * Octets 'm+1' to 'p' shall be absent if the field 'Number of Home eNodeB' is set to the value '0'. + */ + i = 1; + while (no_hENB > 0){ + sub_tree = proto_tree_add_subtree_format(tree, tvb, offset, 7, ett_gtpv2_preaa_henbs, &item, "Home eNB ID %u",i); + append_str = dissect_gtpv2_home_enodeb_id(tvb, pinfo, sub_tree, &offset); + proto_item_append_text(item, " %s",append_str); + i++; + no_hENB--; + } + /* Octet (p+1) to q ECGIs [1..63] + * ECGIs in octets 'p+1' to 'q', if any, shall be encoded as per the ECGI field in subclause 8.21.5. + * Octets 'p+1' to 'q' shall be absent if the field 'Number of ECGI' is set to the value '0'. + */ + i = 1; + while (no_ECGI > 0){ + sub_tree = proto_tree_add_subtree_format(tree, tvb, offset, 7, ett_gtpv2_preaa_ecgis, &item, "ECGI ID %u",i); + append_str = dissect_gtpv2_ecgi(tvb, pinfo, sub_tree, &offset); + proto_item_append_text(item, " %s",append_str); + i++; + no_ECGI--; + } + /* Octet (q+1) to r RAIs [1..15] + * RAIs in octets 'q+1' to 'r', if any, shall be encoded as per the RAI field in subclause 8.21.3. + * Octets 'q+1' to 'r' shall be absent if the field 'Number of RAI' is set to the value '0'. + */ + i = 1; + while (no_rai > 0){ + sub_tree = proto_tree_add_subtree_format(tree, tvb, offset, 7, ett_gtpv2_preaa_rais, &item, "RAI ID %u",i); + append_str = dissect_gtpv2_rai(tvb, pinfo, sub_tree, &offset); + proto_item_append_text(item, " %s",append_str); + i++; + no_rai--; + } + /* Octet (r+1) to s SAIs [1..63] + * SAIs in octets 'r+1' to 's', if any, shall be encoded as per the SAI field in subclause 8.21.2. + * Octets 'r+1' to 's' shall be absent if the field 'Number of SAI' is set to the value '0'. + */ + i = 1; + while (no_sai > 0){ + sub_tree = proto_tree_add_subtree_format(tree, tvb, offset, 7, ett_gtpv2_preaa_sais, &item, "SAI ID %u",i); + append_str = dissect_gtpv2_sai_common(tvb, pinfo, sub_tree, &offset); + proto_item_append_text(item, " %s",append_str); + i++; + no_sai--; + } + /* Octet (s+1) to t CGIs [1..63] + * CGIs in octets 's+1' to 't', if any, shall be encoded as per the CGI field in subclause 8.21.1. + * Octets 's+1' to 't' shall be absent if the field 'Number of CGI' is set to the value '0'. + */ + i = 1; + while (no_cgi > 0){ + sub_tree = proto_tree_add_subtree_format(tree, tvb, offset, 7, ett_gtpv2_preaa_cgis, &item, "CGI ID %u",i); + append_str = dissect_gtpv2_cgi(tvb, pinfo, sub_tree, &offset); + proto_item_append_text(item, " %s",append_str); + i++; + no_cgi--; + } + if (offset >= (int) length) + return length; + /* Octet t+1 Spare Number of Extended Macro eNodeB */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_pres_rep_area_act_no_ext_m_enodeb, tvb, offset, 1, ENC_BIG_ENDIAN, &no_ext_mENB); + offset++; + /* Octet (t+2) to v Extended Macro eNB IDs [1..63] + * Extended Macro eNB IDs in octets 't+2' to 'v', if any, shall be encoded as per octets 6 to 11 of the Target ID for type Extended Macro eNodeB in figure 8.51-5. + * Octets 'k+1' to 'm' shall be absent if the field 'Number of Extended Macro eNodeB' is set to the value '0'. + */ + i = 1; + while (no_ext_mENB > 0){ + sub_tree = proto_tree_add_subtree_format(tree, tvb, offset, 6, ett_gtpv2_preaa_ext_menbs, &item, "Extended Macro eNB ID %u",i); + append_str = dissect_gtpv2_ext_macro_enodeb_id(tvb, pinfo, sub_tree, &offset, hf_gtpv2_ext_macro_enodeb_id); + proto_item_append_text(item, " %s",append_str); + i++; + no_ext_mENB--; + } + + return length; +} + +static const value_string gtpv2_pres_rep_area_action_vals[] = { + { 1, "Start Reporting change"}, + { 2, "Stop Reporting change"}, + { 3, "Modify Presence Reporting Area elements"}, + { 0, NULL} +}; + +static void +dissect_gtpv2_pres_rep_area_action(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + tvbuff_t * new_tvb; + + static int * const flags[] = { + &hf_gtpv2_pres_rep_area_act_inapra, + &hf_gtpv2_pres_rep_area_action, + NULL + }; + + /* Octet 5 Spare INAPRA Action */ + proto_tree_add_bitmask_list(tree, tvb, offset, 1, flags, ENC_BIG_ENDIAN); + offset++; + + if (length == 1) + return; + /* Octet 6 to 8 Presence Reporting Area Identifier */ + proto_tree_add_item(tree, hf_gtpv2_pres_rep_area_id, tvb, offset, 3, ENC_BIG_ENDIAN); + offset+=3; + if (length == 4) + return; + + new_tvb = tvb_new_subset_length(tvb, offset, length-4); + + /* Share the rest of the dissection with the AVP dissector */ + dissect_diameter_3gpp_presence_reporting_area_elements_list(new_tvb, pinfo, tree, NULL); + +} +/* + * 8.109 Presence Reporting Area Information + */ +static void +dissect_gtpv2_pres_rep_area_information(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint64 gtpv2_pres_rep_area_info_flags_val = 0; + + /*Octet 5 to 7 Presence Reporting Area Identifier */ + proto_tree_add_item(tree, hf_gtpv2_pres_rep_area_info_id, tvb, offset, 3 , ENC_BIG_ENDIAN); + offset+=3; + + /*Octet 8 Spare Spare Spare Spare INAPRA APRA OPRA IPRA */ + static int * const gtpv2_pres_rep_area_info_flags[] = { + &hf_gtpv2_pres_rep_area_info_flags_b4_b7_spare, + &hf_gtpv2_pres_rep_area_info_flags_b3_inapra, + &hf_gtpv2_pres_rep_area_info_flags_b2_apra, + &hf_gtpv2_pres_rep_area_info_flags_b1_opra, + &hf_gtpv2_pres_rep_area_info_flags_b0_ipra, + NULL + }; + + proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_gtpv2_pres_rep_area_info_flags, ett_gtpv2_pres_rep_area_info, + gtpv2_pres_rep_area_info_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT | BMT_NO_TFS, >pv2_pres_rep_area_info_flags_val); + offset+=1; + + /* 3GPP TS 29.212 v14.7.0: + * If the Additional PRA (APRA) flag is set to 1, [...] + * subsequent 4 octets shall then be present + * and shall contain the identifier of the individual PRA + */ + if(gtpv2_pres_rep_area_info_flags_val & 0x04){ + /* Octets a to (a+2) Additional PRA Identifier */ + proto_tree_add_item(tree, hf_gtpv2_pres_rep_area_info_additional_id, tvb, offset, 3, ENC_BIG_ENDIAN); + offset+=3; + + /*Octet a+3 Spare Spare Spare Spare Spare APRA OPRA IPRA */ + static int * const gtpv2_pres_rep_area_info_flags_no_inapra[] = { + &hf_gtpv2_pres_rep_area_info_flags_b3_b7_spare, + &hf_gtpv2_pres_rep_area_info_flags_b2_apra, + &hf_gtpv2_pres_rep_area_info_flags_b1_opra, + &hf_gtpv2_pres_rep_area_info_flags_b0_ipra, + NULL + }; + + while(offset < length){ + proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_gtpv2_pres_rep_area_info_flags_no_inapra, ett_gtpv2_pres_rep_area_info, + gtpv2_pres_rep_area_info_flags_no_inapra, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT | BMT_NO_TFS, >pv2_pres_rep_area_info_flags_val); + offset+=1; + + if(gtpv2_pres_rep_area_info_flags_val & 0x04){ + /* Octets b to (b+2) Additional PRA Identifier */ + proto_tree_add_item(tree, hf_gtpv2_pres_rep_area_info_additional_id, tvb, offset, 3, ENC_BIG_ENDIAN); + offset+=3; + } + } + } +} +/* + * 8.110 TWAN Identifier Timestamp + */ +static void +dissect_gtpv2_twan_identifier_timestamp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + char *time_str; + + /* TWAN Identifier Timestamp value */ + /* Octets 5 to 8 are encoded in the same format as the first four octets of the 64-bit timestamp + * format as defined in section 6 of IETF RFC 5905 + */ + + proto_tree_add_item_ret_time_string(tree, hf_gtpv2_twan_id_ts, tvb, 0, 4, ENC_TIME_NTP | ENC_BIG_ENDIAN, pinfo->pool, &time_str); + proto_item_append_text(item, "%s", time_str); + +} +/* + * 8.111 Overload Control Information + */ +static void + +dissect_gtpv2_overload_control_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree _U_, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + + int offset = 0; + proto_tree *grouped_tree; + tvbuff_t *new_tvb; + + proto_item_append_text(item, "[Grouped IE]"); + grouped_tree = proto_item_add_subtree(item, ett_gtpv2_overload_control_information); + new_tvb = tvb_new_subset_length(tvb, offset, length); + + dissect_gtpv2_ie_common(new_tvb, pinfo, grouped_tree, offset, message_type, args); +} +/* + * 8.112 Load Control Information + */ +static void +dissect_gtpv2_load_control_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree _U_, proto_item *item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + tvbuff_t *new_tvb; + proto_tree *grouped_tree; + + proto_item_append_text(item, "[Grouped IE]"); + grouped_tree = proto_item_add_subtree(item, ett_gtpv2_load_control_inf); + + new_tvb = tvb_new_subset_length(tvb, offset, length); + dissect_gtpv2_ie_common(new_tvb, pinfo, grouped_tree, 0, message_type, args); +} +/* + * 8.113 Metric + */ +static void +dissect_gtpv2_metric(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + guint32 oct; + + proto_tree_add_item_ret_uint(tree, hf_gtpv2_metric, tvb, 0, 1, ENC_BIG_ENDIAN, &oct); + if (oct > 0x64) { + proto_item_append_text(item, "Metric: value beyond 100 is considered as 0"); + } else { + proto_item_append_text(item, "%u", oct); + + } +} +/* + * 8.114 Sequence Number + */ +static void +dissect_gtpv2_seq_no(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + guint32 seq; + proto_tree_add_item_ret_uint(tree, hf_gtpv2_sequence_number, tvb, 0, 4, ENC_BIG_ENDIAN, &seq); + proto_item_append_text(item, "%u", seq); +} +/* + * 8.115 APN and Relative Capacity + */ +static void +dissect_gtpv2_apn_and_relative_capacity(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 oct, apn_length; + const guint8 *apn = NULL; + + oct = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_relative_capacity, tvb, offset, 1, ENC_BIG_ENDIAN); + if((oct > 0x64) || (oct < 0x01)) + proto_item_append_text(item, "Relative Capacity: value beyond (1,100) is considered as 0"); + offset += 1; + apn_length = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_apn_length, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + if (apn_length > 0) { + proto_item* pi; + pi = proto_tree_add_item_ret_string(tree, hf_gtpv2_apn, tvb, offset, apn_length, ENC_APN_STR | ENC_NA, pinfo->pool, &apn); + if (apn_length > 100) + expert_add_info(pinfo, pi, &ei_gtpv2_apn_too_long); + } +} +/* + * 8.117 Paging and Service Information + */ +static void +dissect_gtpv2_paging_and_service_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint8 ppi_flag; + + /* Spare (all bits set to 0) B8 - B5 */ + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset, 4, ENC_BIG_ENDIAN); + /* EPS Bearer ID (EBI) B4 - B1 */ + proto_tree_add_item(tree, hf_gtpv2_ebi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Spare B8 - B2 */ + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset << 3, 7, ENC_BIG_ENDIAN); + /* Paging Policy Indication flag (PPI) */ + ppi_flag = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_gtpv2_ppi_flag, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + if(ppi_flag & 1){ + /* Spare B8 - B7 */ + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset << 3, 2, ENC_BIG_ENDIAN); + /* Paging Policy Indication Value */ + proto_item_append_text(tree, " (PPI Value: %s)", val_to_str_ext_const(tvb_get_guint8(tvb, offset), &dscp_vals_ext, "Unknown")); + proto_tree_add_item(tree, hf_gtpv2_ppi_value, tvb, offset, 1, ENC_BIG_ENDIAN); + } +} +/* + * 8.118 Integer Number + */ +static void +dissect_gtpv2_integer_number(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + /* The Integer Number value shall be encoded as further described below for the following information elements: + * Maximum Wait Time IE: the length shall be set to 2, i.e. the integer number value shall be encoded as a 16 bit unsigned integer. + * DL Buffering Suggested Packet Count IE: the length shall be set to 1 or 2; + * UE Usage Type IE: the length shall be set to 1, i.e. the integer number value shall be encoded as a 8 bit unsigned integer as specified in subclause 7.3.202 of 3GPP TS 29.272 [70]. + */ + if (length <= 4) { + /* Only handle up to 32 bits for now */ + switch (message_type) { + case GTPV2_CREATE_SESSION_REQUEST: + proto_item_append_text(item, "Maximum Wait Time"); + proto_tree_add_item(tree, hf_gtpv2_maximum_wait_time, tvb, offset, length, ENC_BIG_ENDIAN); + break; + case GTPV2_DL_DATA_NOTIF_ACK: + proto_item_append_text(item, "DL Buffering Suggested Packet Count"); + proto_tree_add_item(tree, hf_gtpv2_dl_buf_sug_pkt_cnt, tvb, offset, length, ENC_BIG_ENDIAN); + break; + case GTPV2_FORWARD_RELOCATION_REQ: + case GTPV2_CONTEXT_RESPONSE: + case GTPV2_IDENTIFICATION_RESPONSE: + switch (instance) { + case 0: + /* If the UE Usage Type is not available in the old MME/SGSN/AMF, the length field of this IE shall be set to 0. */ + proto_item_append_text(item, "UE Usage Type"); + if (length > 0) { + proto_tree_add_item(tree, hf_gtpv2_ue_usage_type, tvb, offset, length, ENC_BIG_ENDIAN); + } else { + proto_item_append_text(item, " not available in the old MME/SGSN/AMF"); + } + break; + case 1: + /* Remaining Running Service Gap Timer */ + proto_tree_add_item(tree, hf_gtpv2_rem_run_serv_gap_t, tvb, offset, length, ENC_BIG_ENDIAN); + break; + default: + proto_tree_add_item(tree, hf_gtpv2_integer_number_val, tvb, offset, length, ENC_BIG_ENDIAN); + break; + } + break; + default: + proto_tree_add_item(tree, hf_gtpv2_integer_number_val, tvb, offset, length, ENC_BIG_ENDIAN); + break; + } + } else { + /* value not handled, yet*/ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_int_size_not_handled, tvb, offset, length); + + } + +} +/* + * 8.119 Millisecond Time Stamp + */ + +static void +dissect_gtpv2_ms_ts(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + /* Octets 5 to 10 represent a 48 bit unsigned integer in network order format and are encoded as + * the number of milliseconds since 00:00:00 January 1, 1900 00:00 UTC, i.e. as the + * rounded value of 1000 x the value of the 64-bit timestamp (Seconds + (Fraction / (1<<32))) + * defined in section 6 of IETF RFC 5905 + */ + switch (message_type) { + case GTPV2_CREATE_SESSION_REQUEST: + /*proto_item_append_text(item, "Origination time stamp");*/ + proto_tree_add_item(tree, hf_gtpv2_origination_ts, tvb, offset, length, ENC_TIME_MSEC_NTP | ENC_BIG_ENDIAN); + break; + default: + proto_tree_add_item(tree, hf_gtpv2_ms_ts, tvb, offset, 6, ENC_TIME_MSEC_NTP | ENC_BIG_ENDIAN); + break; + } +} + +/* + * 8.120 Monitoring Event Information + */ +static void +dissect_gtpv2_mon_event_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + guint32 scef_id_len; + + /* Octet 5 to 8 SCEF Reference ID */ + proto_tree_add_item(tree, hf_gtpv2_mon_event_inf_scef_reference_id, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + /* Octet 9 Length of SCEF ID */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_mon_event_inf_scef_id_length, tvb, offset, 1, ENC_BIG_ENDIAN, &scef_id_len); + offset++; + /* Octet 10 to k SCEF ID */ + proto_tree_add_item(tree, hf_gtpv2_mon_event_inf_scef_id, tvb, offset, scef_id_len, ENC_UTF_8 | ENC_NA); + offset = offset + scef_id_len; + /* Octet (k+1) to (k+2) Remaining Number of Reports */ + proto_tree_add_item(tree, hf_gtpv2_mon_event_inf_remaining_number_of_reports, tvb, offset, 2, ENC_BIG_ENDIAN ); + offset += 2; + + if(offset < length){ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, length- offset); + } +} + +/* + * 8.125 CIoT Optimizations Support Indication + */ +static void +dissect_gtpv2_ciot_opt_support_ind(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset; + static int * const ciot_flags[] = { + &hf_gtpv2_ciot_support_ind_spare_bits, + &hf_gtpv2_ciot_support_ind_bit4, + &hf_gtpv2_ciot_support_ind_bit3, + &hf_gtpv2_ciot_support_ind_bit2, + &hf_gtpv2_ciot_support_ind_bit1, + NULL + }; + + offset = 0; + proto_tree_add_bitmask_with_flags(tree, tvb, 0, hf_gtpv2_ciot_support_ind, ett_gtpv2_ciot_support_ind, ciot_flags, ENC_BIG_ENDIAN, BMT_NO_APPEND); + + offset += 1; + if (length - offset) { + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, -1, "The rest of the IE not dissected yet"); + } +} + +/* + * 8.126 SCEF PDN Connection + */ +static void +dissect_gtpv2_scef_pdn_connection(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree _U_, proto_item *item, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args) +{ + int offset = 0; + proto_tree *grouped_tree; + tvbuff_t *new_tvb; + + proto_item_append_text(item, "[Grouped IE]"); + grouped_tree = proto_item_add_subtree(item, ett_gtpv2_PDN_conn); + new_tvb = tvb_new_subset_length(tvb, offset, length); + + dissect_gtpv2_ie_common(new_tvb, pinfo, grouped_tree, offset, message_type, args); + +} + + +/* + * 8.127 Header Compression Configuration + */ +static void +dissect_gtpv2_header_comp_comf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + static int * const gtpv2_rohc_profile_flags_flags[] = { + &hf_gtpv2_rohc_profiles_bit7, + &hf_gtpv2_rohc_profiles_bit6, + &hf_gtpv2_rohc_profiles_bit5, + &hf_gtpv2_rohc_profiles_bit4, + &hf_gtpv2_rohc_profiles_bit3, + &hf_gtpv2_rohc_profiles_bit2, + &hf_gtpv2_rohc_profiles_bit1, + &hf_gtpv2_rohc_profiles_bit0, + NULL + }; + + /* Octet 5 to 6 ROHC Profiles */ + + proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_gtpv2_rohc_profile_flags, + ett_gtpv2_rohc_profile_flags, gtpv2_rohc_profile_flags_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); + offset++; + proto_tree_add_item(tree, hf_gtpv2_spare_w0, tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + /* Octet 7 to 8 MAX_CID*/ + proto_tree_add_item(tree, hf_gtpv2_max_cid, tvb, offset, 2, ENC_BIG_ENDIAN); + +} + +/* + * 8.129 Serving PLMN Rate Control + */ +static void +dissect_gtpv2_serv_plmn_rate_control(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + proto_tree_add_item(tree, hf_gtpv2_uplink_rate_limit, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(tree, hf_gtpv2_downlink_rate_limit, tvb, offset, 2, ENC_BIG_ENDIAN); +} + +/* + * 8.130 Counter + */ +static void +dissect_gtpv2_counter(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + /* Timestamp value */ + /* Octets 5 to 8 shall be encoded in the same format as the first four octets of the 64-bit timestamp + *format as defined in section 6 of IETF RFC 5905 + */ + + proto_tree_add_item(tree, hf_gtpv2_timestamp_value, tvb, offset, 4, ENC_TIME_NTP | ENC_BIG_ENDIAN); + offset += 4; + proto_tree_add_item(tree, hf_gtpv2_counter_value, tvb, offset, 1, ENC_BIG_ENDIAN); +} + +/* + * 8.131 Mapped UE Usage Type + */ + +static void +dissect_gtpv2_mapped_ue_usage_type(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + int offset = 0; + + proto_tree_add_item(tree, hf_gtpv2_mapped_ue_usage_type, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + if (length > offset) { + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, -1, "The rest of the IE not dissected yet"); + } +} + +/* + * 8.132 Secondary RAT Usage Data Report + */ +static const value_string gtpv2_secondary_rat_type_vals[] = { + { 0, "NR" }, + { 1, "Unlicensed Spectrum"}, + { 0, NULL } +}; + +static void +dissect_gtpv2_secondary_rat_usage_data_report(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + tvbuff_t *new_tvb; + proto_tree *sub_tree; + int offset = 0; + guint32 srudn_len; + guint64 gtpv2_secondary_rat_usage_data_report_flags_val = 0; + + static int * const secondary_rat_usage_data_report_flags[] = { + &hf_gtpv2_secondary_rat_usage_data_report_spare_bits, + &hf_gtpv2_secondary_rat_usage_data_report_bit3, + &hf_gtpv2_secondary_rat_usage_data_report_bit2, + &hf_gtpv2_secondary_rat_usage_data_report_bit1, + NULL + }; + + /* + * The following bits within Octet 5 shall indicate: + * Bit 8 to 3 - Spare, for future use and set to zero. + * Bit 3 - SRUDN (Secondary RAT Usage Report from NG-RAN) + * Bit 2 - IRSGW (Intended Receiver SGW) + * Bit 1 - IRPGW (Intended Receiver PGW) + */ + proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, 0, hf_gtpv2_secondary_rat_usage_data_report, ett_gtpv2_secondary_rat_usage_data_report, + secondary_rat_usage_data_report_flags, ENC_BIG_ENDIAN, BMT_NO_APPEND, >pv2_secondary_rat_usage_data_report_flags_val); + offset += 1; + + /* Octet 6 RAT Type */ + proto_tree_add_item(tree, hf_gtpv2_secondary_rat_usage_data_report_rat_type, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Octet 7 EPS Bearer ID */ + /* Spare (all bits set to 0) B8 - B5 */ + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset << 3, 4, ENC_BIG_ENDIAN); + /* EPS Bearer ID (EBI) B4 - B1 */ + proto_tree_add_item(tree, hf_gtpv2_ebi, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* + * Octets 8 to 11 and 12 to 15 shall be encoded in the same format as the first four octets of the 64-bit timestamp + * format as defined in section 6 of IETF RFC 5905 + */ + + /* Octets 8 to 11 Start timestamp */ + proto_tree_add_item(tree, hf_gtpv2_secondary_rat_usage_data_report_start_timestamp, tvb, offset, 4, ENC_TIME_NTP | ENC_BIG_ENDIAN); + offset += 4; + + /* Octets 12 to 15 End timestamp */ + proto_tree_add_item(tree, hf_gtpv2_secondary_rat_usage_data_report_end_timestamp, tvb, offset, 4, ENC_TIME_NTP | ENC_BIG_ENDIAN); + offset += 4; + + /* 16 to 23 Usage Data DL */ + proto_tree_add_item(tree, hf_gtpv2_secondary_rat_usage_data_report_usage_data_dl, tvb, offset, 8, ENC_BIG_ENDIAN); + offset += 8; + + /* 24 to 32 Usage Data UL */ + proto_tree_add_item(tree, hf_gtpv2_secondary_rat_usage_data_report_usage_data_ul, tvb, offset, 8, ENC_BIG_ENDIAN); + offset += 8; + + if(gtpv2_secondary_rat_usage_data_report_flags_val & 0x04) { + /* Octet k Length of Secondary RAT Data Usage Report Transfer */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_secondary_rat_usage_data_report_srudn_length, tvb, offset, 1, ENC_BIG_ENDIAN, &srudn_len); + offset++; + /* Octet (k+1) to a SRUDN */ + sub_tree = proto_tree_add_subtree(tree, tvb, offset, srudn_len, ett_gtpv2_son_con, NULL, "SecondaryRATDataUsageReportTransfer"); + new_tvb = tvb_new_subset_length(tvb, offset, srudn_len); + asn1_ctx_t asn1_ctx; + asn1_ctx_init(&asn1_ctx, ASN1_ENC_PER, TRUE, pinfo); + dissect_ngap_SecondaryRATDataUsageReportTransfer(new_tvb, 0, &asn1_ctx, sub_tree, hf_gtpv2_secondary_rat_usage_data_report_srudn_value); + offset = offset + srudn_len; + } + + if (length - offset) { + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, -1, "The rest of the IE not dissected yet"); + } +} + + + +/* + * 8.133 UP Function Selection Indication Flags + */ + +static void +dissect_gtpv2_up_func_slec_indic_flg(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t * args _U_) +{ + int offset = 0; + + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset << 3, 7, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_gtpv2_dcnr, tvb, offset, 1, ENC_BIG_ENDIAN); + +} + +/* 8.134 Maximum Packet Loss Rate */ +static void +dissect_gtpv2_max_pkt_loss_rte(tvbuff_t* tvb, packet_info* pinfo _U_, proto_tree* tree, proto_item* item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + int offset = 0; + guint8 oct; + + static int* const flags_oct1[] = { + &hf_gtpv2_spare_b7_b2, + &hf_gtpv2_max_pkt_loss_rte_dl_flg, + &hf_gtpv2_max_pkt_loss_rte_ul_flg, + NULL + }; + /*5 Spare DL UL*/ + oct = tvb_get_guint8(tvb, offset); + proto_tree_add_bitmask_list(tree, tvb, offset, 1, flags_oct1, ENC_BIG_ENDIAN); + offset++; + + if((oct & 0x01) == 1){ + /*m to m+1 Maximum Packet Loss Rate UL*/ + proto_tree_add_item(tree, hf_gtpv2_max_pkt_loss_rte_ul, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + } + if ((oct & 0x02) == 2) { + /*o to o+1 Maximum Packet Loss Rate DL*/ + proto_tree_add_item(tree, hf_gtpv2_max_pkt_loss_rte_dl, tvb, offset, 2, ENC_BIG_ENDIAN); + } + + +} + +/* 8.135 APN Rate Control Status */ +static void +dissect_gtpv2_apn_rte_cntrl_status(tvbuff_t* tvb, packet_info* pinfo _U_, proto_tree* tree, proto_item* item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + int offset = 0; + + /*5 to 8 Number of Uplink packets allowed*/ + proto_tree_add_item(tree, hf_gtpv2_nr_ul_pkts_all, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + /*9 to 12 Number of additional exception reports*/ + proto_tree_add_item(tree, hf_gtpv2_nr_add_exception_rpts, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + /*13 to 16 Number of Downlink packets allowed*/ + proto_tree_add_item(tree, hf_gtpv2_nr_dl_pkts_all, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + /*17 to 24 APN Rate Control Status validity Time*/ + proto_tree_add_item(tree, hf_apn_rte_cntrl_status_val_time, tvb, offset, 8, ENC_TIME_NTP | ENC_BIG_ENDIAN); + +} +/* 3GPP TS 32.422 V15.1.0 (2018-06) 5.5 List of interfaces (O)*/ + +static int* const ext_tra_info_list_of_if_flags_oct1[] = { + &hf_gtpv2_ext_tra_info_loi_mscs_cap, + &hf_gtpv2_ext_tra_info_loi_mscs_map_f, + &hf_gtpv2_ext_tra_info_loi_mscs_map_e, + &hf_gtpv2_ext_tra_info_loi_mscs_map_b, + &hf_gtpv2_ext_tra_info_loi_mscs_map_g, + &hf_gtpv2_ext_tra_info_loi_mscs_mc, + &hf_gtpv2_ext_tra_info_loi_mscs_iu, + &hf_gtpv2_ext_tra_info_loi_mscs_a, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct2[] = { + &hf_gtpv2_ext_tra_info_loi_mscs_map_c, + &hf_gtpv2_ext_tra_info_loi_mscs_map_d, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct3[] = { + &hf_gtpv2_ext_tra_info_loi_mgw_iuup, + &hf_gtpv2_ext_tra_info_loi_mgw_nbup, + &hf_gtpv2_ext_tra_info_loi_mgw_mc, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct4[] = { + &hf_gtpv2_ext_tra_info_loi_sgsn_ge, + &hf_gtpv2_ext_tra_info_loi_sgsn_gs, + &hf_gtpv2_ext_tra_info_loi_sgsn_map_gf, + &hf_gtpv2_ext_tra_info_loi_sgsn_map_gd, + &hf_gtpv2_ext_tra_info_loi_sgsn_map_gr, + &hf_gtpv2_ext_tra_info_loi_sgsn_gn, + &hf_gtpv2_ext_tra_info_loi_sgsn_iu, + &hf_gtpv2_ext_tra_info_loi_sgsn_gb, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct5[] = { + &hf_gtpv2_ext_tra_info_loi_sgsn_s13, + &hf_gtpv2_ext_tra_info_loi_sgsn_s3, + &hf_gtpv2_ext_tra_info_loi_sgsn_s4, + &hf_gtpv2_ext_tra_info_loi_sgsn_s6d, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct6[] = { + &hf_gtpv2_ext_tra_info_loi_ggsn_gmb, + &hf_gtpv2_ext_tra_info_loi_ggsn_gi, + &hf_gtpv2_ext_tra_info_loi_ggsn_gn, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct7[] = { + &hf_gtpv2_ext_tra_info_loi_rnc_uu, + &hf_gtpv2_ext_tra_info_loi_rnc_iub, + &hf_gtpv2_ext_tra_info_loi_rnc_iur, + &hf_gtpv2_ext_tra_info_loi_rnc_iu, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct8[] = { + &hf_gtpv2_ext_tra_info_loi_bm_sc_gmb, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct9[] = { + &hf_gtpv2_ext_tra_info_loi_mme_s13, + &hf_gtpv2_ext_tra_info_loi_mme_s11, + &hf_gtpv2_ext_tra_info_loi_mme_s10, + &hf_gtpv2_ext_tra_info_loi_mme_s6a, + &hf_gtpv2_ext_tra_info_loi_mme_s3, + &hf_gtpv2_ext_tra_info_loi_mme_s1_mme, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct10[] = { + &hf_gtpv2_ext_tra_info_loi_sgw_gxc, + &hf_gtpv2_ext_tra_info_loi_sgw_s11, + &hf_gtpv2_ext_tra_info_loi_sgw_s8b, + &hf_gtpv2_ext_tra_info_loi_sgw_s5, + &hf_gtpv2_ext_tra_info_loi_sgw_s4, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct11[] = { + &hf_gtpv2_ext_tra_info_loi_pdn_gw_sgi, + &hf_gtpv2_ext_tra_info_loi_pdn_gw_s8b, + &hf_gtpv2_ext_tra_info_loi_pdn_gw_gx, + &hf_gtpv2_ext_tra_info_loi_pdn_gw_s6b, + &hf_gtpv2_ext_tra_info_loi_pdn_gw_s5, + &hf_gtpv2_ext_tra_info_loi_pdn_gw_s2c, + &hf_gtpv2_ext_tra_info_loi_pdn_gw_s2b, + &hf_gtpv2_ext_tra_info_loi_pdn_gw_s2a, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct12[] = { + &hf_gtpv2_ext_tra_info_loi_enb_uu, + &hf_gtpv2_ext_tra_info_loi_enb_x2, + &hf_gtpv2_ext_tra_info_loi_enb_s1_mme, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct13[] = { + &hf_gtpv2_ext_tra_info_loi_hss_sh, + &hf_gtpv2_ext_tra_info_loi_hss_s6a, + &hf_gtpv2_ext_tra_info_loi_hss_s6d, + &hf_gtpv2_ext_tra_info_loi_hss_cx, + &hf_gtpv2_ext_tra_info_loi_hss_map_gr, + &hf_gtpv2_ext_tra_info_loi_hss_map_gc, + &hf_gtpv2_ext_tra_info_loi_hss_map_d, + &hf_gtpv2_ext_tra_info_loi_hss_map_c, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct14[] = { + &hf_gtpv2_ext_tra_info_loi_eir_map_gf, + &hf_gtpv2_ext_tra_info_loi_eir_s13p, + &hf_gtpv2_ext_tra_info_loi_eir_s13, + &hf_gtpv2_ext_tra_info_loi_eir_map_f, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct15[] = { + &hf_gtpv2_ext_tra_info_loi_amf_n20, + &hf_gtpv2_ext_tra_info_loi_amf_n15, + &hf_gtpv2_ext_tra_info_loi_amf_n14, + &hf_gtpv2_ext_tra_info_loi_amf_n12, + &hf_gtpv2_ext_tra_info_loi_amf_n11, + &hf_gtpv2_ext_tra_info_loi_amf_n8, + &hf_gtpv2_ext_tra_info_loi_amf_n2, + &hf_gtpv2_ext_tra_info_loi_amf_n1, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct16[] = { + &hf_gtpv2_ext_tra_info_loi_amf_n22, + &hf_gtpv2_ext_tra_info_loi_amf_n26, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct17[] = { + &hf_gtpv2_ext_tra_info_loi_pcf_n15, + &hf_gtpv2_ext_tra_info_loi_pcf_n7, + &hf_gtpv2_ext_tra_info_loi_pcf_n5, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct18[] = { + &hf_gtpv2_ext_tra_info_loi_smf_s5_c, + &hf_gtpv2_ext_tra_info_loi_smf_n11, + &hf_gtpv2_ext_tra_info_loi_smf_n10, + &hf_gtpv2_ext_tra_info_loi_smf_n7, + &hf_gtpv2_ext_tra_info_loi_smf_n4, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct19[] = { + &hf_gtpv2_ext_tra_info_loi_upf_n4, + NULL +}; + +static int* const ext_tra_info_list_of_if_flags_oct20[] = { + &hf_gtpv2_ext_tra_info_loi_ng_ran_node_e1_c, + &hf_gtpv2_ext_tra_info_loi_ng_ran_node_f1_c, + &hf_gtpv2_ext_tra_info_loi_ng_ran_node_Uu, + &hf_gtpv2_ext_tra_info_loi_ng_ran_node_xn_c, + &hf_gtpv2_ext_tra_info_loi_ng_ran_node_ng_c, + NULL +}; + +/* 8.136 Extended Trace Information */ +static void +dissect_gtpv2_ext_trs_inf(tvbuff_t* tvb, packet_info* pinfo _U_, proto_tree* tree, proto_item* item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + proto_tree *trigg_tree, *ne_tree, *if_tree; + proto_item* ti; + int offset = 0; + guint32 tid, ev_len; + + dissect_e212_mcc_mnc(tvb, pinfo, tree, 0, E212_NONE, TRUE); + offset += 3; + + /* Append Trace ID to main tree */ + tid = tvb_get_ntohs(tvb, offset); + + proto_tree_add_item_ret_uint(tree, hf_gtpv2_trace_id, tvb, offset, 3, ENC_BIG_ENDIAN, &tid); + proto_item_append_text(item, "Trace ID: %d ", tid); + + offset += 3; + + /* Triggering Events, put all into a new tree called triggering_tree */ + trigg_tree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_gtpv2_tra_info_trigg, &ti, "Triggering Events"); + /* Octet 11 Length of Triggering Events */ + proto_tree_add_item_ret_uint(trigg_tree, hf_gtpv2_trig_event_len, tvb, offset, 1, ENC_BIG_ENDIAN, &ev_len); + offset++; + + proto_item_set_len(ti, ev_len + 1); + offset += ev_len; + + ne_tree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_gtpv2_tra_info_trigg, &ti, "List of NE Types"); + /* m + 1*/ + /* Length of List of NE Types */ + proto_tree_add_item_ret_uint(ne_tree, hf_gtpv2_ne_list_len, tvb, offset, 1, ENC_BIG_ENDIAN, &ev_len); + offset++; + if (ev_len > 0) { + proto_tree_add_bitmask_list(ne_tree, tvb, offset, 1, trace_ne_types_flags_oct1, ENC_BIG_ENDIAN); + } + if (ev_len > 1) { + proto_tree_add_bitmask_list(ne_tree, tvb, offset+1, 1, trace_ne_types_flags_oct2, ENC_BIG_ENDIAN); + } + + proto_item_set_len(ti, ev_len + 1); + offset += ev_len; + + /* p+1 Session Trace Depth */ + proto_tree_add_item(tree, hf_gtpv2_ses_trs_depth, tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + + + if_tree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_gtpv2_tra_info_trigg, &ti, "List of Interfaces"); + /* p+2 Length of List of Interfaces */ + proto_tree_add_item_ret_uint(if_tree, hf_gtpv2_list_of_if_len, tvb, offset, 1, ENC_BIG_ENDIAN, &ev_len); + offset++; + + if (ev_len > 1) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset, 2, + ett_gtpv2_if_mgcs, NULL, "MSC Server interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset, 1, ext_tra_info_list_of_if_flags_oct1, ENC_BIG_ENDIAN); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 1, 1, ext_tra_info_list_of_if_flags_oct2, ENC_BIG_ENDIAN); + } + if (ev_len > 2) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 2, 1, + ett_gtpv2_if_mgw, NULL, "MGW interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 2, 1, ext_tra_info_list_of_if_flags_oct3, ENC_BIG_ENDIAN); + } + + if (ev_len > 4) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 3, 2, + ett_gtpv2_if_sgsn, NULL, "SGSN interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 3, 1, ext_tra_info_list_of_if_flags_oct4, ENC_BIG_ENDIAN); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 4, 1, ext_tra_info_list_of_if_flags_oct5, ENC_BIG_ENDIAN); + } + + if (ev_len > 5) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 5, 1, + ett_gtpv2_if_ggsn, NULL, "GGSN interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 5, 1, ext_tra_info_list_of_if_flags_oct6, ENC_BIG_ENDIAN); + } + if (ev_len > 6) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 6, 1, + ett_gtpv2_if_rnc, NULL, "RNC interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 6, 1, ext_tra_info_list_of_if_flags_oct7, ENC_BIG_ENDIAN); + } + if (ev_len > 7) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 7, 1, + ett_gtpv2_if_bm_sc, NULL, "BM-SC interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 7, 1, ext_tra_info_list_of_if_flags_oct8, ENC_BIG_ENDIAN); + } + if (ev_len > 8) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 8, 1, + ett_gtpv2_if_mme, NULL, "MME interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 8, 1, ext_tra_info_list_of_if_flags_oct9, ENC_BIG_ENDIAN); + } + if (ev_len > 9) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 9, 1, + ett_gtpv2_if_sgw, NULL, "SGW interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 9, 1, ext_tra_info_list_of_if_flags_oct10, ENC_BIG_ENDIAN); + } + if (ev_len > 10) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 10, 1, + ett_gtpv2_if_pdn_gw, NULL, "PDN GW interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 10, 1, ext_tra_info_list_of_if_flags_oct11, ENC_BIG_ENDIAN); + } + if (ev_len > 11) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 11, 1, + ett_gtpv2_if_enb, NULL, "eNB interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 11, 1, ext_tra_info_list_of_if_flags_oct12, ENC_BIG_ENDIAN); + } + if (ev_len > 12) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 12, 1, + ett_gtpv2_if_hss, NULL, "HSS interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 11, 1, ext_tra_info_list_of_if_flags_oct13, ENC_BIG_ENDIAN); + } + if (ev_len > 13) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 13, 1, + ett_gtpv2_if_eir, NULL, "EIR interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 11, 1, ext_tra_info_list_of_if_flags_oct14, ENC_BIG_ENDIAN); + } + if (ev_len > 15) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 14, 2, + ett_gtpv2_if_amf, NULL, "AMF interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 14, 1, ext_tra_info_list_of_if_flags_oct15, ENC_BIG_ENDIAN); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 15, 1, ext_tra_info_list_of_if_flags_oct16, ENC_BIG_ENDIAN); + } + if (ev_len > 16) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 16, 1, + ett_gtpv2_if_pcf, NULL, "PCF interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 16, 1, ext_tra_info_list_of_if_flags_oct17, ENC_BIG_ENDIAN); + } + if (ev_len > 17) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 17, 1, + ett_gtpv2_if_smf, NULL, "SMF interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 17, 1, ext_tra_info_list_of_if_flags_oct18, ENC_BIG_ENDIAN); + } + if (ev_len > 18) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 18, 1, + ett_gtpv2_if_upf, NULL, "UPF interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 18, 1, ext_tra_info_list_of_if_flags_oct19, ENC_BIG_ENDIAN); + } + if (ev_len > 19) { + proto_tree* sub_tree = proto_tree_add_subtree(if_tree, tvb, offset + 19, 1, + ett_gtpv2_if_upf, NULL, "NG-RAN node interfaces"); + proto_tree_add_bitmask_list(sub_tree, tvb, offset + 19, 1, ext_tra_info_list_of_if_flags_oct20, ENC_BIG_ENDIAN); + } + + proto_item_set_len(ti, ev_len + 1); + offset += ev_len; + + /* q+1 Length of IP Address of Trace Collection Entity */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_trs_coll_ip_addr_len, tvb, offset, 1, ENC_BIG_ENDIAN, &ev_len); + offset++; + /*(q+2) to r IP Address of Trace Collection Entity */ + if (ev_len == 4) { + proto_tree_add_item(tree, hf_gtpv2_trs_coll_ipv4_addr, tvb, offset, 4, ENC_BIG_ENDIAN); + } + + if (ev_len == 16) { + proto_tree_add_item(tree, hf_gtpv2_trs_coll_ipv6_addr, tvb, offset, 16, ENC_NA); + } +} + +/* 8.137 Monitoring Event Extension Information */ +static void +dissect_gtpv2_ie_mon_event_ext_inf(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + int offset = 0; + gboolean lrtp; + guint32 scef_id_len; + + /* Octet 5 Bit 1 LRTP Bit 2-8 Spare */ + proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset, 7, ENC_BIG_ENDIAN); + proto_tree_add_item_ret_boolean(tree, hf_gtpv2_mon_event_ext_inf_lrtp, tvb, offset, 1, ENC_BIG_ENDIAN, &lrtp); + offset++; + /* Octet 6 to 9 SCEF Reference ID */ + proto_tree_add_item(tree, hf_gtpv2_mon_event_ext_inf_scef_reference_id, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + /* Octet 10 Length of SCEF ID */ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_mon_event_ext_inf_scef_id_length, tvb, offset, 1, ENC_BIG_ENDIAN, &scef_id_len); + offset++; + /* Octet 11 to k SCEF ID */ + proto_tree_add_item(tree, hf_gtpv2_mon_event_ext_inf_scef_id, tvb, offset, scef_id_len, ENC_UTF_8 | ENC_NA); + offset = offset + scef_id_len; + if (lrtp) { + proto_tree_add_item(tree, hf_gtpv2_mon_event_ext_inf_remain_min_period_loc_report_type, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + } + + if(offset < length){ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, offset, length- offset); + } +} + +/* 207 Additional RRM Policy Index Fixed Length / 8.138 */ +static void +dissect_gtpv2_ie_additional_rrm_policy_index(tvbuff_t* tvb, packet_info* pinfo _U_, proto_tree* tree, proto_item* item, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + guint32 rrm_policy_index; + + /*5 to 8 Additional RRM Policy Index, The ARPI is encoded as Unsigned32 binary integer values.*/ + proto_tree_add_item_ret_uint(tree, hf_gtpv2_additional_rrm_policy_index, tvb, 0, 4, ENC_BIG_ENDIAN, &rrm_policy_index); + proto_item_append_text(item, "%u", rrm_policy_index); +} + +/* 208 V2X Context Extendable / 8.139 */ +static void +dissect_gtpv2_ie_v2x_context(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* 209 PC5 QoS Parameters Extendable / 8.140 */ +static void +dissect_gtpv2_ie_pc5_qos_parameters(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* 210 Services Authorized Extendable / 8.141 */ +static void +dissect_gtpv2_ie_services_authorized(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* 211 Bit Rate Extendable / 8.142 */ +static void +dissect_gtpv2_ie_bit_rate(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* 212 PC5 QoS Flow Extendable / 8.143 */ +static void +dissect_gtpv2_ie_pc5_qos_flow(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* 213 SGi PtP Tunnel Address Extendable / 8.144 */ +static void +dissect_gtpv2_ie_sgi_ptp_tunnel_address(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* 214 PGW Change Info Extendable / 8.145 */ +static void +dissect_gtpv2_ie_pgw_change_info(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* 215 PGW Set FQDN Extendable / 8.146 */ +static void +dissect_gtpv2_ie_pgw_set_fqdn(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* 216 Group Id / 8.147 */ +static void +dissect_gtpv2_ie_group_id(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* 217 PSCell Id / 8.148 */ +static void +dissect_gtpv2_ie_pscell_id(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* 218 UP Security Policy / 8.149 */ +static void +dissect_gtpv2_ie_up_security_policy(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* 219 Alternative IMSI / 8.150 */ +static void +dissect_gtpv2_ie_alternative_imsi(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree, proto_item* item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_, session_args_t* args _U_) +{ + proto_tree_add_expert(tree, pinfo, &ei_gtpv2_ie_data_not_dissected, tvb, 0, length); +} + +/* Table 8.1-1: Information Element types for GTPv2 */ + +typedef struct _gtpv2_ie { + int ie_type; + void (*decode) (tvbuff_t *, packet_info *, proto_tree *, proto_item *, guint16, guint8, guint8, session_args_t *); +} gtpv2_ie_t; + +static const gtpv2_ie_t gtpv2_ies[] = { + {GTPV2_IE_IMSI, dissect_gtpv2_imsi}, /* 1, Internal Mobile Subscriber Identity (IMSI) */ + {GTPV2_IE_CAUSE, dissect_gtpv2_cause}, /* 2, Cause (without embedded offending IE) 8.4 */ + {GTPV2_REC_REST_CNT, dissect_gtpv2_recovery}, /* 3, Recovery (Restart Counter) 8.5 */ + /* 4-50 Reserved for S101 interface Extendable / See 3GPP TS 29.276 [14] */ + /*Start SRVCC Messages 3GPP TS 29.280 */ + {GTPV2_IE_STN_SR, dissect_gtpv2_stn_sr}, /* 51 STN-SR */ + {GTPV2_IE_SRC_TGT_TRANS_CON, dissect_gtpv2_src_tgt_trans_con}, /* 52 Source to Target Transparent Container */ + {GTPV2_IE_TGT_SRC_TRANS_CON , dissect_gtpv2_tgt_src_trans_con}, /* 53 Target to Source Transparent Container */ + {GTPV2_IE_MM_CON_EUTRAN_SRVCC, dissect_gtpv2_mm_con_eutran_srvcc}, /* 54 MM Context for E-UTRAN SRVCC */ + {GTPV2_IE_MM_CON_UTRAN_SRVCC, dissect_gtpv2_mm_con_utran_srvcc}, /* 55 MM Context for UTRAN SRVCC */ + {GTPV2_IE_SRVCC_CAUSE, dissect_gtpv2_srvcc_cause}, /* 56 SRVCC Cause */ + {GTPV2_IE_TGT_RNC_ID, dissect_gtpv2_tgt_rnc_id}, /* 57 Target RNC ID */ + {GTPV2_IE_TGT_GLOGAL_CELL_ID, dissect_gtpv2_tgt_global_cell_id}, /* 58 Target Global Cell ID */ + {GTPV2_IE_TEID_C, dissect_gtpv2_teid_c}, /* 59 TEID-C */ + {GTPV2_IE_SV_FLAGS, dissect_gtpv2_sv_flags}, /* 60 Sv Flags */ + {GTPV2_IE_SAI, dissect_gtpv2_sai}, /* 61 Service Area Identifie */ + {GTPV2_IE_MM_CTX_FOR_CS_TO_PS_SRVCC, dissect_gtpv2_mm_ctx_for_cs_to_ps_srvcc }, /* 62 Service Area Identifie */ + /* 61-70 Reserved for Sv interface Extendable / See 3GPP TS 29.280 [15] */ + {GTPV2_APN, dissect_gtpv2_apn}, /* 71, Access Point Name (APN) 8.6 */ + {GTPV2_AMBR, dissect_gtpv2_ambr}, /* 72, Aggregate Maximum Bit Rate (AMBR) */ + {GTPV2_EBI, dissect_gtpv2_ebi}, /* 73, EPS Bearer ID (EBI) 8.8 */ + {GTPV2_IP_ADDRESS, dissect_gtpv2_ip_address}, /* 74, IP Address */ + {GTPV2_MEI, dissect_gtpv2_mei}, /* 74, Mobile Equipment Identity */ + {GTPV2_IE_MSISDN, dissect_gtpv2_msisdn}, /* 76, MSISDN 8.11 */ + {GTPV2_INDICATION, dissect_gtpv2_ind}, /* 77 Indication 8.12 */ + {GTPV2_PCO, dissect_gtpv2_pco}, /* 78 Protocol Configuration Options (PCO) 8.13 */ + {GTPV2_PAA, dissect_gtpv2_paa}, /* 79 PDN Address Allocation (PAA) 8.14 */ + {GTPV2_BEARER_QOS, dissect_gtpv2_bearer_qos}, /* 80 Bearer Level Quality of Service (Bearer QoS) 8.15 */ + {GTPV2_IE_FLOW_QOS, dissect_gtpv2_flow_qos}, /* 81 Flow Quality of Service (Flow QoS) 8.16 */ + {GTPV2_IE_RAT_TYPE, dissect_gtpv2_rat_type}, /* 82, RAT Type 8.17 */ + {GTPV2_IE_SERV_NET, dissect_gtpv2_serv_net}, /* 83, Serving Network 8.18 */ + {GTPV2_IE_BEARER_TFT, dissect_gtpv2_bearer_tft}, /* 84, Bearer TFT 8.19 */ + {GTPV2_IE_TAD, dissect_gtpv2_tad}, /* 85, Traffic Aggregate Description 8.20 */ + {GTPV2_IE_ULI, dissect_gtpv2_uli}, /* 86, User Location Info (ULI) 8.22 */ + {GTPV2_IE_F_TEID, dissect_gtpv2_f_teid}, /* 87, Fully Qualified Tunnel Endpoint Identifier (F-TEID) 8.23 */ + {GTPV2_IE_TMSI, dissect_gtpv2_tmsi}, /* 88, TMSI 8.23 */ + {GTPV2_IE_GLOBAL_CNID, dissect_gtpv2_g_cn_id}, /* 89, Global CN-Id 8.25 */ + {GTPV2_IE_S103PDF, dissect_gtpv2_s103pdf}, /* 90, S103 PDN Data Forwarding Info (S103PDF) 8.25 */ + {GTPV2_IE_S1UDF, dissect_gtpv2_s1udf}, /* 91, S1-U Data Forwarding (S1UDF) 8.26 */ + {GTPV2_IE_DEL_VAL, dissect_gtpv2_delay_value}, /* 92, Delay Value 8.29 */ + {GTPV2_IE_BEARER_CTX, dissect_gtpv2_bearer_ctx}, /* 93, Bearer Context 8.31 */ + {GTPV2_IE_CHAR_ID, dissect_gtpv2_charging_id}, /* 94, Charging Id */ + {GTPV2_IE_CHAR_CHAR, dissect_gtpv2_char_char}, /* 95 Charging Characteristic */ + {GTPV2_IE_TRA_INFO, dissect_gtpv2_tra_info}, /* 96, Trace Information 8.31 */ + {GTPV2_BEARER_FLAG, dissect_gtpv2_bearer_flag}, /* 97, Bearer Flag */ + /* 98, Void 8.33 */ + {GTPV2_IE_PDN_TYPE, dissect_gtpv2_pdn_type}, /* 99, PDN Type */ + {GTPV2_IE_PTI, dissect_gtpv2_pti}, /* 100, Procedure Transaction Id */ + {GTPV2_IE_DRX_PARAM, dissect_gtpv2_drx_param}, /* 101, DRX Parameter 8.36 */ + {GTPV2_IE_UE_NET_CAPABILITY, dissect_gtpv2_ue_net_capability}, /* 102, UE network capability 8.37 */ + {GTPV2_IE_MM_CONTEXT_GSM_T, dissect_gtpv2_mm_context_gsm_t}, /* 103, MM Context 8.38 GSM Key and Triplets */ + {GTPV2_IE_MM_CONTEXT_UTMS_CQ, dissect_gtpv2_mm_context_utms_cq}, /* 104, MM Context 8.38 */ + {GTPV2_IE_MM_CONTEXT_GSM_CQ, dissect_gtpv2_mm_context_gsm_cq}, /* 105, MM Context 8.38 */ + {GTPV2_IE_MM_CONTEXT_UTMS_Q, dissect_gtpv2_mm_context_utms_q}, /* 106, MM Context 8.38 */ + {GTPV2_IE_MM_CONTEXT_EPS_QQ, dissect_gtpv2_mm_context_eps_qq}, /* 107, MM Context 8.38 */ + {GTPV2_IE_MM_CONTEXT_UTMS_QQ, dissect_gtpv2_mm_context_utms_qq}, /* 108, MM Context 8.38 */ + {GTPV2_IE_PDN_CONNECTION, dissect_gtpv2_PDN_conn}, /* 109, PDN Connection */ + {GTPV2_IE_PDN_NUMBERS, dissect_gtpv2_pdn_numbers}, /* 110, PDN Numbers 8.40 */ + {GTPV2_IE_P_TMSI, dissect_gtpv2_p_tmsi}, /* 111, P-TMSI 8.41 */ + {GTPV2_IE_P_TMSI_SIG, dissect_gtpv2_p_tmsi_sig}, /* 112, P-TMSI Signature 8.42 */ + {GTPV2_IE_HOP_COUNTER, dissect_gtpv2_hop_counter}, /* 113, Hop Counter 8.43 */ + {GTPV2_IE_UE_TIME_ZONE, dissect_gtpv2_ue_time_zone}, /* 114, UE Time Zone */ + {GTPV2_IE_TRACE_REFERENCE, dissect_gtpv2_trace_reference}, /* 115, Trace Reference 8.45 */ + {GTPV2_IE_COMPLETE_REQUEST_MSG, dissect_complete_request_msg}, /* 116, Complete Request message 8.46 */ + {GTPV2_IE_GUTI, dissect_gtpv2_guti}, /* 117, GUTI 8.47 */ + {GTPV2_IE_F_CONTAINER, dissect_gtpv2_F_container}, /* 118, Fully Qualified Container (F-Container) */ + {GTPV2_IE_F_CAUSE, dissect_gtpv2_F_cause}, /* 119, Fully Qualified Cause (F-Cause) */ + {GTPV2_IE_SEL_PLMN_ID, dissect_gtpv2_sel_plmn_id}, /* 120, Selected PLMN ID 8.50 */ + {GTPV2_IE_TARGET_ID, dissect_gtpv2_target_id}, /* 121, Target Identification */ + /* 122, Void 8.52 */ + {GTPV2_IE_PKT_FLOW_ID, dissect_gtpv2_pkt_flow_id}, /* 123, Packet Flow ID 8.53 */ + {GTPV2_IE_RAB_CONTEXT, dissect_gtpv2_rab_context}, /* 124, RAB Context 8.54 */ + {GTPV2_IE_S_RNC_PDCP_CTX_INFO, dissect_gtpv2_s_rnc_pdcp_ctx_info}, /* 125, Source RNC PDCP context info 8.55 */ + {GTPV2_IE_UDP_S_PORT_NR, dissect_udp_s_port_nr}, /* 126, UDP Source Port Number 8.56 */ + {GTPV2_IE_APN_RESTRICTION, dissect_gtpv2_apn_rest}, /* 127, APN Restriction */ + {GTPV2_IE_SEL_MODE, dissect_gtpv2_selec_mode}, /* 128, Selection Mode */ + {GTPV2_IE_SOURCE_IDENT, dissect_gtpv2_source_ident}, /* 129, Source Identification 8.59 */ + {GTPV2_IE_BEARER_CONTROL_MODE, dissect_gtpv2_bearer_control_mode}, /* 130, Bearer Control Mode */ + {GTPV2_IE_CNG_REP_ACT , dissect_gtpv2_cng_rep_act}, /* 131, Change Reporting Action 8.61 */ + {GTPV2_IE_FQ_CSID, dissect_gtpv2_fq_csid}, /* 132, Fully Qualified PDN Connection Set Identifier (FQ-CSID) 8.62 */ + {GTPV2_IE_CHANNEL_NEEDED, dissect_gtpv2_channel_needed}, /* 133, Channel Needed 8.63 */ + {GTPV2_IE_EMLPP_PRI, dissect_gtpv2_emlpp_pri}, /* 134, eMLPP Priority 8.64 */ + {GTPV2_IE_NODE_TYPE , dissect_gtpv2_node_type}, /* 135, Node Type 8.65 */ + {GTPV2_IE_FQDN, dissect_gtpv2_fqdn}, /* 136, 8.66 Fully Qualified Domain Name (FQDN) */ + {GTPV2_IE_TI, dissect_gtpv2_ti}, /* 137, 8.68 Transaction Identifier (TI) */ + {GTPV2_IE_MBMS_SESSION_DURATION, dissect_gtpv2_mbms_session_duration}, /* 138, 8.69 MBMS Session Duration */ + {GTPV2_IE_MBMS_SERVICE_AREA, dissect_gtpv2_mbms_service_area}, /* 139, 8.70 MBMS Service Area */ + {GTPV2_IE_MBMS_SESSION_ID, dissect_gtpv2_mbms_session_id}, /* 140, 8.71 MBMS Session Identifier */ + {GTPV2_IE_MBMS_FLOW_ID, dissect_gtpv2_mbms_flow_id}, /* 141, 8.72 MBMS Flow Identifier */ + {GTPV2_IE_MBMS_IP_MC_DIST, dissect_gtpv2_mbms_ip_mc_dist}, /* 142, 8.73 MBMS IP Multicast Distribution */ + {GTPV2_IE_MBMS_DIST_ACK, dissect_gtpv2_mbms_dist_ack}, /* 143, 8.74 MBMS Distribution Acknowledge */ + {GTPV2_IE_RFSP_INDEX, dissect_gtpv2_rfsp_index}, /* 144, 8.77 RFSP Index */ + {GTPV2_IE_UCI, dissect_gtpv2_uci}, /* 145, 8.75 User CSG Information (UCI) */ + {GTPV2_IE_CSG_INFO_REP_ACTION, dissect_gtpv2_csg_info_rep_action}, /* 146, 8.76 CSG Information Reporting Action */ + {GTPV2_IE_CSG_ID, dissect_gtpv2_csg_id}, /* 147, 8.78 CSG ID */ + {GTPV2_IE_CMI, dissect_gtpv2_cmi}, /* 148, 8.79 CSG Membership Indication (CMI) */ + {GTPV2_IE_SERVICE_INDICATOR, dissect_gtpv2_service_indicator}, /* 149, 8.80 Service indicator */ + {GTPV2_IE_DETACH_TYPE, dissect_gtpv2_detach_type}, /* 150, 8.81 Detach Type */ + {GTPV2_IE_LDN, dissect_gtpv2_ldn}, /* 151, 8.82 Local Distinguished Name (LDN) */ + {GTPV2_IE_NODE_FEATURES, dissect_gtpv2_node_features}, /* 152, 8.83 Node Features */ + {GTPV2_IE_MBMS_TIME_TO_DATA_XFER, dissect_gtpv2_mbms_time_to_data_xfer}, /* 153, 8.84 MBMS Time to Data Transfer */ + {GTPV2_IE_THROTTLING, dissect_gtpv2_throttling}, /* 154, 8.85 Throttling */ + {GTPV2_IE_ARP, dissect_gtpv2_arp}, /* 155, 8.86 Allocation/Retention Priority (ARP) */ + {GTPV2_IE_EPC_TIMER, dissect_gtpv2_epc_timer}, /* 156, 8.87 EPC Timer */ + {GTPV2_IE_SIG_PRIO_IND, dissect_gtpv2_sig_prio_ind}, /* 157, 8.88 Signalling Priority Indication */ + {GTPV2_IE_TMGI, dissect_gtpv2_tmgi}, /* 158, 8.89 Temporary Mobile Group Identity (TMGI) */ + {GTPV2_IE_ADD_MM_CONT_FOR_SRVCC, dissect_gtpv2_add_mm_cont_for_srvcc}, /* 159, 8.90 Additional MM context for SRVCC */ + {GTPV2_IE_ADD_FLAGS_FOR_SRVCC, dissect_gtpv2_add_flags_for_srvcc}, /* 160, 8.91 Additional flags for SRVCC */ + {GTPV2_IE_MMBR, dissect_gtpv2_mmbr}, /* 161, 8.92 Max MBR/APN-AMBR (MMBR) */ + {GTPV2_IE_MDT_CONFIG, dissect_gtpv2_mdt_config}, /* 162, 8.93 MDT Configuration */ + {GTPV2_IE_APCO, dissect_gtpv2_apco}, /* 163, 8.94 Additional Protocol Configuration Options (APCO) */ + {GTPV2_IE_ABS_MBMS_DATA_TF_TIME, dissect_gtpv2_abs_mbms_data_tf_time}, /* 164, 8.95 Absolute Time of MBMS Data Transfer */ + {GTPV2_IE_HENB_INFO_REPORT, dissect_gtpv2_henb_info_report}, /* 165, 8.96 H(e)NB Information Reporting */ + {GTPV2_IE_IP4CP, dissect_gtpv2_ip4cp}, /* 166, 8.97 IPv4 Configuration Parameters (IPv4CP) */ + {GTPV2_IE_CHANGE_TO_REPORT_FLAGS, dissect_gtpv2_change_report_flags}, /* 167, 8.98 Change to Report Flags */ + {GTPV2_IE_ACTION_INDICATION, dissect_gtpv2_action_indication}, /* 168, 8.99 Action Indication */ + {GTPV2_IE_TWAN_IDENTIFIER, dissect_gtpv2_twan_identifier}, /* 169, 8.100 TWAN Identifier */ + {GTPV2_IE_ULI_TIMESTAMP, dissect_gtpv2_uli_timestamp}, /* 170, 8.101 ULI Timestamp */ + {GTPV2_IE_MBMS_FLAGS, dissect_gtpv2_mbms_flags}, /* 171, 8.102 MBMS Flags */ + {GTPV2_IE_RAN_NAS_CAUSE, dissect_gtpv2_ran_nas_cause}, /* 172, 8.103 RAN/NAS Cause */ + {GTPV2_IE_CN_OP_SEL_ENT, dissect_gtpv2_cn_operator_selection_entity}, /* 173, 8.104 CN Operator Selection Entity */ + {GTPV2_IE_TRUST_WLAN_MODE_IND, dissect_gtpv2_trust_wlan_mode_ind}, /* 174, 8.105 Trusted WLAN Mode Indication */ + {GTPV2_IE_NODE_NUMBER, dissect_gtpv2_node_number}, /* 175, 8.106 Node Number */ + {GTPV2_IE_NODE_IDENTIFIER, dissect_gtpv2_node_identifier}, /* 176, 8.107 Node Identifier */ + {GTPV2_IE_PRES_REP_AREA_ACT, dissect_gtpv2_pres_rep_area_action}, /* 177, 8.108 Presence Reporting Area Action */ + {GTPV2_IE_PRES_REP_AREA_INF, dissect_gtpv2_pres_rep_area_information}, /* 178, 8.109 Presence Reporting Area Information */ + {GTPV2_IE_TWAN_ID_TS, dissect_gtpv2_twan_identifier_timestamp}, /* 179, 8.110 TWAN Identifier Timestamp */ + {GTPV2_IE_OVERLOAD_CONTROL_INF, dissect_gtpv2_overload_control_inf}, /* 180, 8.111 Overload Control Information */ + {GTPV2_IE_LOAD_CONTROL_INF, dissect_gtpv2_load_control_inf}, /* 181, 8.112 Load Control Information */ + {GTPV2_IE_METRIC, dissect_gtpv2_metric}, /* 182, 8.113 Metric */ + {GTPV2_IE_SEQ_NO, dissect_gtpv2_seq_no}, /* 183, 8.114 Sequence Number */ + {GTPV2_IE_APN_AND_REL_CAP, dissect_gtpv2_apn_and_relative_capacity}, /* 184, 8.115 APN and Relative Capacity */ + {GTPV2_IE_WLAN_OFFLOADABILITY_IND,dissect_gtpv2_unknown }, /* 185, 8.116 WLAN Offloadability Indication */ + + {GTPV2_IE_PAGING_AND_SERVICE_INF, dissect_gtpv2_paging_and_service_inf}, /* 186, 8.117 Paging and Service Information */ + {GTPV2_IE_INTEGER_NUMBER, dissect_gtpv2_integer_number}, /* 187, 8.118 Integer Number */ + {GTPV2_IE_MILLISECOND_TS, dissect_gtpv2_ms_ts}, /* 188, 8.119 Millisecond Time Stamp */ + {GTPV2_IE_MON_EVENT_INF, dissect_gtpv2_mon_event_inf}, /* 189, 8.120 Monitoring Event Information */ + /* 190, 8.121 ECGI List */ + /* 191, 8.122 Remote UE Context */ + /* 192, 8.123 Remote User ID */ + /* 193, 8.124 Remote UE IP Information */ + {GTPV2_IE_CIOT_OPT_SUPPORT_IND, dissect_gtpv2_ciot_opt_support_ind}, /* 194, 8.125 CIoT Optimizations Support Indication */ + {GTPV2_IE_SCEF_PDN_CONNECTION , dissect_gtpv2_scef_pdn_connection }, /* 195, 8.126 SCEF PDN Connection */ + {GTPV2_IE_HEADER_COMP_CONF, dissect_gtpv2_header_comp_comf}, /* 196, 8.127 Header Compression Configuration */ + {GTPV2_IE_EXTENDED_PCO, dissect_gtpv2_pco}, /* 197, 8.128 Extended Protocol Configuration Options (ePCO) */ + {GTPV2_IE_SERV_PLMN_RATE_CONTROL, dissect_gtpv2_serv_plmn_rate_control}, /* 198, 8.129 Serving PLMN Rate Control */ + {GTPV2_IE_COUNTER, dissect_gtpv2_counter}, /* 199, 8.130 Counter */ + {GTPV2_IE_MAPPED_UE_USAGE_TYPE, dissect_gtpv2_mapped_ue_usage_type }, /* 199, 8.131 Mapped UE Usage Type */ + {GTPV2_IE_SECONDARY_RAT_USAGE_DATA_REPORT, dissect_gtpv2_secondary_rat_usage_data_report}, /* 201, 8.132 Secondary RAT Usage Data Report */ + {GTPV2_IE_UP_FUNC_SEL_INDI_FLG, dissect_gtpv2_up_func_slec_indic_flg }, /* 202, 8.133 UP Function Selection Indication Flags */ + {GTPV2_IE_MAX_PKT_LOSS_RTE, dissect_gtpv2_max_pkt_loss_rte }, /* 203, 8.134 Maximum Packet Loss Rate */ + {GTPV2_IE_APN_RTE_CNTRL_STATUS, dissect_gtpv2_apn_rte_cntrl_status }, /* 204, 8.135 APN Rate Control Status */ + {GTPV2_IE_EXT_TRS_INF, dissect_gtpv2_ext_trs_inf }, /* 205, 8.136 Extended Trace Information */ + {GTPV2_IE_MON_EVENT_EXT_INF, dissect_gtpv2_ie_mon_event_ext_inf }, /* 206, 8.137 Monitoring Event Extension Information */ + {GTPV2_IE_ADDITIONAL_RRM_POLICY_INDEX, dissect_gtpv2_ie_additional_rrm_policy_index }, /* 207 Additional RRM Policy Index Fixed Length / 8.138 */ + {GTPV2_IE_V2X_CONTEXT, dissect_gtpv2_ie_v2x_context }, /* 208 V2X Context Extendable / 8.139 */ + {GTPV2_IE_PC5_QOS_PARAMETERS, dissect_gtpv2_ie_pc5_qos_parameters }, /* 209 PC5 QoS Parameters Extendable / 8.140 */ + {GTPV2_IE_SERVICES_AUTHORIZED, dissect_gtpv2_ie_services_authorized }, /* 210 Services Authorized Extendable / 8.141 */ + {GTPV2_IE_BIT_RATE, dissect_gtpv2_ie_bit_rate }, /* 211 Bit Rate Extendable / 8.142 */ + {GTPV2_IE_PC5_QOS_FLOW, dissect_gtpv2_ie_pc5_qos_flow }, /* 212 PC5 QoS Flow Extendable / 8.143 */ + {GTPV2_IE_SGI_PTP_TUNNEL_ADDRESS, dissect_gtpv2_ie_sgi_ptp_tunnel_address }, /* 213 SGi PtP Tunnel Address Extendable / 8.144 */ + {GTPV2_IE_PGW_CHANGE_INFO, dissect_gtpv2_ie_pgw_change_info }, /* 214 PGW Change Info Extendable / 8.145 */ + {GTPV2_IE_PGW_SET_FQDN, dissect_gtpv2_ie_pgw_set_fqdn }, /* 215 PGW Set FQDN Extendable / 8.146 */ + {GTPV2_IE_GROUP_ID, dissect_gtpv2_ie_group_id }, /* 216 Group Id Variable Length / 8.147 */ + {GTPV2_IE_PSCELL_ID, dissect_gtpv2_ie_pscell_id }, /* 217 PSCell Id Fixed Length / 8.148 */ + {GTPV2_IE_UP_SECURITY_POLICY, dissect_gtpv2_ie_up_security_policy }, /* 218 UP Security Policy Extendable / 8.149 */ + {GTPV2_IE_ALT_IMSI, dissect_gtpv2_ie_alternative_imsi }, /* 219 Alternative IMSI Variable Length / 8.150 */ + + {GTPV2_IE_PRIVATE_EXT, dissect_gtpv2_private_ext}, + + {0, dissect_gtpv2_unknown} +}; + +static gtpv2_msg_hash_t * +gtpv2_match_response(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, gint seq_nr, guint msgtype, gtpv2_conv_info_t *gtpv2_info, guint8 last_cause) +{ + gtpv2_msg_hash_t gcr, *gcrp = NULL; + guint32 session; + + gcr.seq_nr = seq_nr; + gcr.req_time = pinfo->abs_ts; + + switch (msgtype) { + case GTPV2_CREATE_SESSION_REQUEST: + case GTPV2_CREATE_BEARER_REQUEST: + case GTPV2_UPDATE_BEARER_REQUEST: + case GTPV2_MODIFY_BEARER_REQUEST: + case GTPV2_DELETE_BEARER_REQUEST: + case GTPV2_DELETE_SESSION_REQUEST: + case GTPV2_MODIFY_BEARER_COMMAND: + case GTPV2_DELETE_BEARER_COMMAND: + case GTPV2_BEARER_RESOURCE_COMMAND: + case GTPV2_SRVCC_PS_TO_CS_REQUEST: + case GTPV2_SRVCC_PS_TO_CS_COMPLETE_NOTIFICATION: + case GTPV2_SRVCC_PS_TO_CS_CANCEL_NOTIFICATION: + case GTPV2_CONTEXT_REQUEST: + case GTPV2_FORWARD_RELOCATION_REQ: + case GTPV2_RELOCATION_CANCEL_REQUEST: + case GTPV2_FORWARD_CTX_NOTIFICATION: + case GTPV2_FORWARD_RELOCATION_COMPLETE_NOTIFICATION: + gcr.is_request = TRUE; + gcr.req_frame = pinfo->num; + gcr.rep_frame = 0; + break; + case GTPV2_CREATE_SESSION_RESPONSE: + case GTPV2_CREATE_BEARER_RESPONSE: + case GTPV2_UPDATE_BEARER_RESPONSE: + case GTPV2_MODIFY_BEARER_RESPONSE: + case GTPV2_DELETE_BEARER_RESPONSE: + case GTPV2_DELETE_SESSION_RESPONSE: + case GTPV2_MODIFY_BEARER_FAILURE_INDICATION: + case GTPV2_DELETE_BEARER_FAILURE_INDICATION: + case GTPV2_BEARER_RESOURCE_FAILURE_INDICATION: + case GTPV2_SRVCC_PS_TO_CS_RESPONSE: + case GTPV2_SRVCC_PS_TO_CS_COMPLETE_ACKNOWLEDGE: + case GTPV2_SRVCC_PS_TO_CS_CANCEL_ACKNOWLEDGE: + case GTPV2_CONTEXT_RESPONSE: + case GTPV2_FORWARD_RELOCATION_RESP: + case GTPV2_RELOCATION_CANCEL_RESPONSE: + case GTPV2_FORWARD_CTX_ACKNOWLEDGE: + case GTPV2_FORWARD_RELOCATION_COMPLETE_ACKNOWLEDGE: + + gcr.is_request = FALSE; + gcr.req_frame = 0; + gcr.rep_frame = pinfo->num; + break; + default: + gcr.is_request = FALSE; + gcr.req_frame = 0; + gcr.rep_frame = 0; + break; + } + + gcrp = (gtpv2_msg_hash_t *)wmem_map_lookup(gtpv2_info->matched, &gcr); + + if (gcrp) { + gcrp->is_request = gcr.is_request; + } else { + /*no match, let's try to make one*/ + switch (msgtype) { + case GTPV2_CREATE_SESSION_REQUEST: + case GTPV2_CREATE_BEARER_REQUEST: + case GTPV2_UPDATE_BEARER_REQUEST: + case GTPV2_MODIFY_BEARER_REQUEST: + case GTPV2_DELETE_BEARER_REQUEST: + case GTPV2_DELETE_SESSION_REQUEST: + case GTPV2_MODIFY_BEARER_COMMAND: + case GTPV2_DELETE_BEARER_COMMAND: + case GTPV2_BEARER_RESOURCE_COMMAND: + case GTPV2_SRVCC_PS_TO_CS_REQUEST: + case GTPV2_SRVCC_PS_TO_CS_COMPLETE_NOTIFICATION: + case GTPV2_SRVCC_PS_TO_CS_CANCEL_NOTIFICATION: + case GTPV2_CONTEXT_REQUEST: + case GTPV2_FORWARD_RELOCATION_REQ: + case GTPV2_RELOCATION_CANCEL_REQUEST: + case GTPV2_FORWARD_CTX_NOTIFICATION: + case GTPV2_FORWARD_RELOCATION_COMPLETE_NOTIFICATION: + + gcr.seq_nr = seq_nr; + + gcrp = (gtpv2_msg_hash_t *)wmem_map_lookup(gtpv2_info->unmatched, &gcr); + if (gcrp) { + wmem_map_remove(gtpv2_info->unmatched, gcrp); + } + /* if we can't reuse the old one, grab a new chunk */ + if (!gcrp) { + gcrp = wmem_new(wmem_file_scope(), gtpv2_msg_hash_t); + } + gcrp->seq_nr = seq_nr; + gcrp->req_frame = pinfo->num; + gcrp->req_time = pinfo->abs_ts; + gcrp->rep_frame = 0; + gcrp->msgtype = msgtype; + gcrp->is_request = TRUE; + wmem_map_insert(gtpv2_info->unmatched, gcrp, gcrp); + return NULL; + break; + case GTPV2_CREATE_SESSION_RESPONSE: + case GTPV2_CREATE_BEARER_RESPONSE: + case GTPV2_UPDATE_BEARER_RESPONSE: + case GTPV2_MODIFY_BEARER_RESPONSE: + case GTPV2_DELETE_BEARER_RESPONSE: + case GTPV2_DELETE_SESSION_RESPONSE: + case GTPV2_MODIFY_BEARER_FAILURE_INDICATION: + case GTPV2_DELETE_BEARER_FAILURE_INDICATION: + case GTPV2_BEARER_RESOURCE_FAILURE_INDICATION: + case GTPV2_SRVCC_PS_TO_CS_RESPONSE: + case GTPV2_SRVCC_PS_TO_CS_COMPLETE_ACKNOWLEDGE: + case GTPV2_SRVCC_PS_TO_CS_CANCEL_ACKNOWLEDGE: + case GTPV2_CONTEXT_RESPONSE: + case GTPV2_FORWARD_RELOCATION_RESP: + case GTPV2_RELOCATION_CANCEL_RESPONSE: + case GTPV2_FORWARD_CTX_ACKNOWLEDGE: + case GTPV2_FORWARD_RELOCATION_COMPLETE_ACKNOWLEDGE: + + gcr.seq_nr = seq_nr; + gcrp = (gtpv2_msg_hash_t *)wmem_map_lookup(gtpv2_info->unmatched, &gcr); + + if (gcrp) { + if (!gcrp->rep_frame) { + wmem_map_remove(gtpv2_info->unmatched, gcrp); + gcrp->rep_frame = pinfo->num; + gcrp->is_request = FALSE; + wmem_map_insert(gtpv2_info->matched, gcrp, gcrp); + } + } + break; + default: + break; + } + } + + /* we have found a match */ + if (gcrp) { + proto_item *it; + + if (gcrp->is_request) { + it = proto_tree_add_uint(tree, hf_gtpv2_response_in, tvb, 0, 0, gcrp->rep_frame); + proto_item_set_generated(it); + } else { + nstime_t ns; + + it = proto_tree_add_uint(tree, hf_gtpv2_response_to, tvb, 0, 0, gcrp->req_frame); + proto_item_set_generated(it); + nstime_delta(&ns, &pinfo->abs_ts, &gcrp->req_time); + it = proto_tree_add_time(tree, hf_gtpv2_response_time, tvb, 0, 0, &ns); + proto_item_set_generated(it); + if (g_gtp_session && !PINFO_FD_VISITED(pinfo)) { + /* GTP session */ + /* If it's not already in the list */ + session = GPOINTER_TO_UINT(wmem_map_lookup(session_table, GUINT_TO_POINTER(pinfo->num))); + if (!session) { + session = GPOINTER_TO_UINT(wmem_map_lookup(session_table, GUINT_TO_POINTER(gcrp->req_frame))); + if (session) { + add_gtp_session(pinfo->num, session); + } + } + + if (!is_cause_accepted(last_cause, 2)){ + /* If the cause is not accepted then we have to remove all the session information about its corresponding request */ + remove_frame_info(gcrp->req_frame); + } + } + } + } + return gcrp; +} + +static void +track_gtpv2_session(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, gtpv2_hdr_t * gtpv2_hdr, wmem_list_t *teid_list, wmem_list_t *ip_list, guint32 last_teid _U_, address last_ip _U_) +{ + guint32 session, frame_teid_cp; + proto_item *it; + + /* GTP session */ + if (tree) { + session = GPOINTER_TO_UINT(wmem_map_lookup(session_table, GUINT_TO_POINTER(pinfo->num))); + if (session) { + it = proto_tree_add_uint(tree, hf_gtpv2_session, tvb, 0, 0, session); + proto_item_set_generated(it); + } + } + + if (!PINFO_FD_VISITED(pinfo)) { + /* If the message does not have any session ID */ + session = GPOINTER_TO_UINT(wmem_map_lookup(session_table, GUINT_TO_POINTER(pinfo->num))); + if (!session) { + /* If the message is not a CSESRES, CSESREQ, UBEAREQ, UBEARES, CBEAREQ, CBEARES, MBEAREQ or MBEARES then we remove its information from teid and ip lists */ + if ((gtpv2_hdr->message != GTPV2_CREATE_SESSION_RESPONSE && gtpv2_hdr->message != GTPV2_CREATE_SESSION_REQUEST && gtpv2_hdr->message != GTPV2_UPDATE_BEARER_RESPONSE + && gtpv2_hdr->message != GTPV2_UPDATE_BEARER_REQUEST && gtpv2_hdr->message != GTPV2_CREATE_BEARER_REQUEST && gtpv2_hdr->message != GTPV2_CREATE_BEARER_RESPONSE + && gtpv2_hdr->message != GTPV2_MODIFY_BEARER_REQUEST && gtpv2_hdr->message != GTPV2_MODIFY_BEARER_RESPONSE)) { + /* If the lists are not empty*/ + if (wmem_list_count(teid_list) && wmem_list_count(ip_list)) { + remove_frame_info(pinfo->num); + } + } + + if (gtpv2_hdr->message == GTPV2_CREATE_SESSION_REQUEST){ + /* If CPDPCREQ and not already in the list then we create a new session*/ + add_gtp_session(pinfo->num, gtp_session_count++); + } + else if (gtpv2_hdr->message != GTPV2_CREATE_SESSION_RESPONSE) { + /* We have to check if its teid == teid_cp and ip.dst == gsn_ipv4 from the lists, if that is the case then we have to assign + the corresponding session ID */ + if ((get_frame(pinfo->dst, (guint32)gtpv2_hdr->teid, &frame_teid_cp) == 1)) { + /* Then we have to set its session ID */ + session = GPOINTER_TO_UINT(wmem_map_lookup(session_table, GUINT_TO_POINTER(frame_teid_cp))); + if (session) { + /* We add the corresponding session to the list so that when a response came we can associate its session ID*/ + add_gtp_session(pinfo->num, session); + } + } + else if (gtpv2_hdr->message == GTPV2_MODIFY_BEARER_REQUEST) { + /* If MBEAREQ and not already in the list then we create a new session*/ + add_gtp_session(pinfo->num, gtp_session_count++); + } + } + } + } +} + +void +dissect_gtpv2_ie_common(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, gint offset, guint8 message_type, session_args_t * args) +{ + proto_tree *ie_tree; + proto_item *ti; + tvbuff_t *ie_tvb; + guint8 type, instance; + guint16 length; + int i, remaining_length, msg_length; + /* + * Octets 8 7 6 5 4 3 2 1 + * 1 Type + * 2-3 Length = n + * 4 CR Spare Instance + * 5-(n+4) IE specific data + */ + msg_length = (gint)tvb_reported_length(tvb); + while (offset < msg_length) { + /* Get the type and length */ + remaining_length = msg_length - offset; + if (remaining_length < 3) { + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_len_invalid, tvb, offset, remaining_length, + "Not enough data left for IE and length, %i bytes", remaining_length); + return; + } + type = tvb_get_guint8(tvb, offset); + length = tvb_get_ntohs(tvb, offset + 1); + remaining_length = remaining_length -4; + if (remaining_length < length) { + proto_tree_add_expert_format(tree, pinfo, &ei_gtpv2_ie_len_invalid, tvb, offset+4, remaining_length, + "Less data left than indicated by length %u, remaining length %i", length, remaining_length); + /* Octet 1 */ + proto_tree_add_item(tree, hf_gtpv2_ie, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /*Octet 2 - 3 */ + proto_tree_add_item(tree, hf_gtpv2_ie_len, tvb, offset, 2, ENC_BIG_ENDIAN); + return; + } + ie_tree = proto_tree_add_subtree_format(tree, tvb, offset, 4 + length, ett_gtpv2_ies[type], &ti, "%s : ", + val_to_str_ext_const(type, >pv2_element_type_vals_ext, "Unknown")); + + /* Octet 1 */ + proto_tree_add_item(ie_tree, hf_gtpv2_ie, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /*Octet 2 - 3 */ + proto_tree_add_item(ie_tree, hf_gtpv2_ie_len, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + + /* ch8.120 breaks the format described in ch8.2.1 */ + if (type == GTPV2_IE_MON_EVENT_INF) { + proto_tree_add_bits_item(ie_tree, hf_gtpv2_spare_bits, tvb, offset << 3, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(ie_tree, hf_gtpv2_mon_event_inf_nscf, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(ie_tree, hf_gtpv2_mon_event_inf_nsui, tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(ie_tree, hf_gtpv2_mon_event_inf_nsur, tvb, offset, 1, ENC_BIG_ENDIAN); + } else { + /* CR Spare Instance Octet 4*/ + proto_tree_add_item(ie_tree, hf_gtpv2_cr, tvb, offset, 1, ENC_BIG_ENDIAN); + } + + instance = tvb_get_guint8(tvb, offset) & 0x0f; + proto_tree_add_item(ie_tree, hf_gtpv2_instance, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* TODO: call IE dissector here */ + if (type == GTPV2_IE_RESERVED) { + /* Treat IE type zero specal as type zero is used to end the loop in the else branch */ + expert_add_info(pinfo, ti, &ei_gtpv2_ie); + } else { + i = -1; + /* Loop over the IE dissector list to se if we find an entry; + the last entry will have ie_type=0 breaking the loop */ + while (gtpv2_ies[++i].ie_type) { + if (gtpv2_ies[i].ie_type == type) + break; + } + /* Just give the IE dissector the IE */ + ie_tvb = tvb_new_subset_remaining(tvb, offset); + (*gtpv2_ies[i].decode) (ie_tvb, pinfo , ie_tree, ti, length, message_type, instance, args); + } + + offset += length; + } +} + +static int +dissect_gtpv2(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data _U_) +{ + proto_tree *gtpv2_tree; + proto_item *ti; + guint8 message_type, t_flag, p_flag, mp_flag, cause_aux; + int offset = 0; + guint16 msg_length; + tvbuff_t *msg_tvb; + int seq_no = 0; + conversation_t *conversation; + gtpv2_conv_info_t *gtpv2_info; + session_args_t *args = NULL; + gtpv2_hdr_t * gtpv2_hdr = NULL; + gtpv2_msg_hash_t *gcrp = NULL; + guint64 gtpv2_hdr_flags; + + static int * const gtpv2_flags[] = { + &hf_gtpv2_version, + &hf_gtpv2_p, + &hf_gtpv2_t, + &hf_gtpv2_mp, + NULL + }; + + gtpv2_hdr = wmem_new0(pinfo->pool, gtpv2_hdr_t); + + /* Setting the TEID to -1 to say that the TEID is not valid for this packet */ + gtpv2_hdr->teid = -1; + + /* Currently we get called from the GTP dissector no need to check the version */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "GTPv2"); + col_clear(pinfo->cinfo, COL_INFO); + + /* message type is in octet 2 */ + message_type = tvb_get_guint8(tvb, 1); + col_set_str(pinfo->cinfo, COL_INFO, val_to_str_ext_const(message_type, >pv2_message_type_vals_ext, "Unknown")); + + + msg_length = tvb_get_ntohs(tvb, offset + 2); + ti = proto_tree_add_item(tree, proto_gtpv2, tvb, offset, msg_length + 4, ENC_NA); + gtpv2_tree = proto_item_add_subtree(ti, ett_gtpv2); + + if (g_gtp_session) { + args = wmem_new0(pinfo->pool, session_args_t); + args->last_cause = 16; /* It stores the last cause decoded. Cause accepted by default */ + /* We create the auxiliary lists */ + args->teid_list = wmem_list_new(pinfo->pool); + args->ip_list = wmem_list_new(pinfo->pool); + } + + /* + * Do we have a conversation for this connection? + */ + conversation = find_or_create_conversation(pinfo); + + /* + * Do we already know this conversation? + */ + gtpv2_info = (gtpv2_conv_info_t *)conversation_get_proto_data(conversation, proto_gtpv2); + if (gtpv2_info == NULL) { + /* No. Attach that information to the conversation, and add + * it to the list of information structures. + */ + gtpv2_info = wmem_new(wmem_file_scope(), gtpv2_conv_info_t); + /*Request/response matching tables*/ + gtpv2_info->matched = wmem_map_new(wmem_file_scope(), gtpv2_sn_hash, gtpv2_sn_equal_matched); + gtpv2_info->unmatched = wmem_map_new(wmem_file_scope(), gtpv2_sn_hash, gtpv2_sn_equal_unmatched); + + conversation_add_proto_data(conversation, proto_gtpv2, gtpv2_info); + } + + /* Control Plane GTP uses a variable length header. Control Plane GTP header + * length shall be a multiple of 4 octets. + * Figure 5.1-1 illustrates the format of the GTPv2-C Header. + * Bits 8 7 6 5 4 3 2 1 + * Octets 1 Version P T Spare Spare Spare + * 2 Message Type + * 3 Message Length (1st Octet) + * 4 Message Length (2nd Octet) + * m-k(m+3) If T flag is set to 1, then TEID shall be placed into octets 5-8. + * Otherwise, TEID field is not present at all. + * n-(n+2) Sequence Number + * (n+3) Spare + * Figure 5.1-1: General format of GTPv2 Header for Control Plane + */ + + /* 5.4 EPC specific GTP-C header + * Bits 8 7 6 5 4 3 2 1 + * Octets 1 Version P T=1 MP Spare Spare + * 2 Message Type + * 3 Message Length (1st Octet) + * 4 Message Length (2nd Octet) + * 5 Tunnel Endpoint Identifier (1st Octet) + * 6 Tunnel Endpoint Identifier (2nd Octet) + * 7 Tunnel Endpoint Identifier (3rd Octet) + * 8 Tunnel Endpoint Identifier (4th Octet) + * 9 Sequence Number (1st Octet) + * 10 Sequence Number (2nd Octet) + * 11 Sequence Number (3rd Octet) + * 12 Message Priority Spare + */ + + /* Octet 1 */ + proto_tree_add_bitmask_with_flags_ret_uint64(gtpv2_tree, tvb, offset, hf_gtpv2_flags, + ett_gtpv2_flags, gtpv2_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, >pv2_hdr_flags); + + gtpv2_hdr->flags = (guint8)gtpv2_hdr_flags; + p_flag = (gtpv2_hdr->flags & 0x10) >> 4; + t_flag = (gtpv2_hdr->flags & 0x08) >> 3; + mp_flag = (gtpv2_hdr->flags & 0x04) >> 2; + + offset += 1; + + /* Octet 2 */ + gtpv2_hdr->message = tvb_get_guint8(tvb, offset); + proto_tree_add_uint(gtpv2_tree, hf_gtpv2_message_type, tvb, offset, 1, gtpv2_hdr->message); + offset += 1; + /* Octet 3 - 4 */ + gtpv2_hdr->length = tvb_get_ntohs(tvb, offset); + proto_tree_add_uint(gtpv2_tree, hf_gtpv2_msg_length, tvb, offset, 2, gtpv2_hdr->length); + offset += 2; + + if (t_flag) { + /* Tunnel Endpoint Identifier 4 octets */ + gtpv2_hdr->teid = tvb_get_ntohl(tvb, offset); + proto_tree_add_uint(gtpv2_tree, hf_gtpv2_teid, tvb, offset, 4, (guint32)gtpv2_hdr->teid); + offset += 4; + } + /* Sequence Number 3 octets */ + proto_tree_add_item_ret_uint(gtpv2_tree, hf_gtpv2_seq, tvb, offset, 3, ENC_BIG_ENDIAN, &seq_no); + offset += 3; + + /* Spare 1 octet or if the "MP" flag is set to "1", + * then bits 8 to 5 of octet 12 shall indicate the message priority. + */ + if (mp_flag) { + /* Bits 8 to 5 of octet 12 shall be encoded as the binary value of the Message Priority + * and it may take any value between 0 and 15, where 0 corresponds to the highest priority + * and 15 the lowest priority. + */ + proto_tree_add_item(gtpv2_tree, hf_gtpv2_msg_prio, tvb, offset, 1, ENC_BIG_ENDIAN); + }else{ + proto_tree_add_item(gtpv2_tree, hf_gtpv2_spare, tvb, offset, 1, ENC_BIG_ENDIAN); + } + offset += 1; + + if (p_flag) { + msg_tvb = tvb_new_subset_length(tvb, 0, msg_length + 4); + dissect_gtpv2_ie_common(msg_tvb, pinfo, gtpv2_tree, offset, message_type, args); + } else { + dissect_gtpv2_ie_common(tvb, pinfo, gtpv2_tree, offset, message_type, args); + } + /*Use sequence number to track Req/Resp pairs*/ + cause_aux = 16; /* Cause accepted by default. Only used when args is NULL */ + if (args && !PINFO_FD_VISITED(pinfo)) { + /* We insert the lists inside the table*/ + fill_map(args->teid_list, args->ip_list, pinfo->num); + cause_aux = args->last_cause; + } + gcrp = gtpv2_match_response(tvb, pinfo, gtpv2_tree, seq_no, message_type, gtpv2_info, cause_aux); + if (gcrp) { + tap_queue_packet(gtpv2_tap, pinfo, gcrp); + } + if (args) { + track_gtpv2_session(tvb, pinfo, gtpv2_tree, gtpv2_hdr, args->teid_list, args->ip_list, args->last_teid, args->last_ip); + } + + /* Bit 5 represents a "P" flag. If the "P" flag is set to "0", + * no piggybacked message shall be present. If the "P" flag is set to "1", + * then another GTPv2-C message with its own header and body shall be present + * at the end of the current message. + */ + if (p_flag) { + tvbuff_t *new_p_tvb; + /* Octets 3 to 4 represent the Length field. This field shall indicate the + * length of the message in octets excluding the + * mandatory part of the GTP-C header (the first 4 octets). + */ + new_p_tvb = tvb_new_subset_remaining(tvb, msg_length + 4); + col_append_str(pinfo->cinfo, COL_INFO, " / "); + col_set_fence(pinfo->cinfo, COL_INFO); + dissect_gtpv2(new_p_tvb, pinfo, tree, NULL); + } + + return tvb_captured_length(tvb); +} + +void proto_register_gtpv2(void) +{ + guint i, last_offset; + + static hf_register_info hf_gtpv2[] = { + { &hf_gtpv2_response_in, + { "Response In", "gtpv2.response_in", + FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_RESPONSE), 0x0, + "The response to this GTP request is in this frame", HFILL } + }, + { &hf_gtpv2_response_to, + { "Response To", "gtpv2.response_to", + FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_REQUEST), 0x0, + "This is a response to the GTP request in this frame", HFILL } + }, + { &hf_gtpv2_response_time, + { "Response Time", "gtpv2.response_time", + FT_RELATIVE_TIME, BASE_NONE, NULL, 0x0, + "The time between the Request and the Response", HFILL } + }, + { &hf_gtpv2_spare_half_octet, + {"Spare half octet", "gtpv2.spare_half_octet", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_spare_bits, + {"Spare bit(s)", "gtpv2.spare_bits", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + //{ &hf_gtpv2_spare_b7_b1, + // {"Spare bit(s)", "gtpv2.spare_b7_b1", + // FT_UINT8, BASE_DEC, NULL, 0xfe, + // NULL, HFILL } + //}, + { &hf_gtpv2_spare_b7_b2, + { "Spare", "gtpv2.spare.b7_b2", + FT_UINT8, BASE_HEX, NULL, 0xfc, + NULL, HFILL } + }, + { &hf_gtpv2_spare_b7_b3, + {"Spare bit(s)", "gtpv2.spare_b7_b3", + FT_UINT8, BASE_DEC, NULL, 0xf8, + NULL, HFILL } + }, + { &hf_gtpv2_spare_b7_b4, + { "Spare", "gtpv2.spare.b7_b4", + FT_UINT8, BASE_HEX, NULL, 0xf0, + NULL, HFILL } + }, + { &hf_gtpv2_spare_b7_b5, + { "Spare", "gtpv2.spare.b7_b5", + FT_UINT8, BASE_HEX, NULL, 0xe0, + NULL, HFILL } + }, + {&hf_gtpv2_flags, + {"Flags", "gtpv2.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_version, + {"Version", "gtpv2.version", + FT_UINT8, BASE_DEC, NULL, 0xe0, + NULL, HFILL} + }, + {&hf_gtpv2_p, + {"Piggybacking flag (P)", "gtpv2.p", + FT_UINT8, BASE_DEC, NULL, 0x10, + "If Piggybacked message is present or not", HFILL} + }, + { &hf_gtpv2_t, + {"TEID flag (T)", "gtpv2.t", + FT_UINT8, BASE_DEC, NULL, 0x08, + "If TEID field is present or not", HFILL} + }, + { &hf_gtpv2_mp, + {"Message Priority(MP)", "gtpv2.mp", + FT_UINT8, BASE_DEC, NULL, 0x04, + "If Message Priority field is present or not", HFILL} + }, + { &hf_gtpv2_message_type, + {"Message Type", "gtpv2.message_type", + FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_message_type_vals_ext, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_msg_length, + {"Message Length", "gtpv2.msg_length", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_teid, + {"Tunnel Endpoint Identifier", "gtpv2.teid", + FT_UINT32, BASE_HEX_DEC, NULL, 0x0, + "TEID", HFILL} + }, + { &hf_gtpv2_seq, + {"Sequence Number", "gtpv2.seq", + FT_UINT24, BASE_HEX_DEC, NULL, 0x0, + "SEQ", HFILL} + }, + { &hf_gtpv2_msg_prio, + {"Message Priority", "gtpv2.mp", + FT_UINT8, BASE_HEX_DEC, NULL, 0xf0, + NULL, HFILL} + }, + { &hf_gtpv2_spare, + {"Spare", "gtpv2.spare", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_spare_w0, + { "Spare", "gtpv2.spare.w0", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_ie, + {"IE Type", "gtpv2.ie_type", + FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_element_type_vals_ext, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_ie_len, + {"IE Length", "gtpv2.ie_len", + FT_UINT16, BASE_DEC, NULL, 0x0, + "length of the information element excluding the first four octets", HFILL} + }, + { &hf_gtpv2_cr, + {"CR flag", "gtpv2.cr", + FT_UINT8, BASE_DEC, NULL, 0xf0, /* SRVCC */ + NULL, HFILL} + }, + { &hf_gtpv2_instance, + {"Instance", "gtpv2.instance", + FT_UINT8, BASE_DEC, NULL, 0x0f, + NULL, HFILL} + }, + { &hf_gtpv2_ipv4_addr, + {"IPv4 Address", "gtpv2.ipv4_addr", + FT_IPv4, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_cause, + {"Cause", "gtpv2.cause", + FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_cause_vals_ext, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_cause_cs, + {"CS (Cause Source)", "gtpv2.cs", + FT_BOOLEAN, 8, TFS(>pv2_cause_cs), 0x01, + NULL, HFILL} + }, + { &hf_gtpv2_cause_bce, + {"BCE (Bearer Context IE Error)", "gtpv2.bce", + FT_BOOLEAN, 8, NULL, 0x02, + NULL, HFILL} + }, + { &hf_gtpv2_cause_pce, + {"PCE (PDN Connection IE Error)", "gtpv2.pce", + FT_BOOLEAN, 8, NULL, 0x04, + NULL, HFILL} + }, + { &hf_gtpv2_cause_off_ie_t, + {"Type of the offending IE", "gtpv2.cause_off_ie_t", + FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_element_type_vals_ext, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_rec, + {"Restart Counter", "gtpv2.rec", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, +/*Start SRVCC Messages*/ + { &hf_gtpv2_stn_sr, + {"STN-SR", "gtpv2.stn_sr", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_len_trans_con, + {"Length of the Transparent Container", "gtpv2.len_trans_con", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_eksi, + {"eKSI", "gtpv2.eksi", + FT_UINT8, BASE_DEC, NULL, 0x07, + NULL, HFILL} + }, + { &hf_gtpv2_ck, + {"CK", "gtpv2.ck", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_ik, + {"IK", "gtpv2.ik", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_len_ms_classmark2, + {"Length of Mobile Station Classmark2", "gtpv2.len_ms_classmark2", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_len_ms_classmark3, + {"Length of Mobile Station Classmark3", "gtpv2.len_ms_classmark3", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_len_supp_codec_list, + {"Length of Supported Codec List", "gtpv2.len_supp_codec_list", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_ksi, + {"KSI'cs", "gtpv2.ksi", + FT_UINT8, BASE_DEC, NULL, 0x0F, + NULL, HFILL} + }, + { &hf_gtpv2_cksn, + {"CKSN'", "gtpv2.cksn", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_srvcc_cause, + {"SRVCC Cause", "gtpv2.srvcc_cause", + FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_srvcc_cause_vals_ext, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_rac, + { "Routing Area Code (RAC)", "gtpv2.rac", + FT_UINT8, BASE_DEC, NULL, 0, + "Routing Area Code", HFILL} + }, + + { &hf_gtpv2_rnc_id, + {"RNC ID", "gtpv2.rnc_id", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_ext_rnc_id, + {"Extended RNC-ID", "gtpv2.ext_rnc_id", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_lac, + { "Location Area Code (LAC)", "gtpv2.lac", + FT_UINT16, BASE_HEX_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_gtpv2_sac, + { "Service Area Code (SAC)", "gtpv2.sac", + FT_UINT16, BASE_HEX_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_gtpv2_tgt_g_cell_id, + {"Cell ID", "gtpv2.tgt_g_cell_id", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_teid_c, + {"Tunnel Endpoint Identifier for Control Plane(TEID-C)", "gtpv2.teid_c", + FT_UINT32, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_sv_sti, + {"STI (Session Transfer Indicator)", "gtpv2.sv_sti", + FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL} + }, + {&hf_gtpv2_sv_ics, + {"ICS (IMS Centralized Service)", "gtpv2.sv_ics", + FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL} + }, + {&hf_gtpv2_sv_emind, + {"EmInd(Emergency Indicator)", "gtpv2.sv_emind", + FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL} + }, + +/*End SRVCC Messages*/ + {&hf_gtpv2_apn, + {"APN (Access Point Name)", "gtpv2.apn", + FT_STRING, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_ambr_up, + {"AMBR Uplink (Aggregate Maximum Bit Rate for Uplink)", "gtpv2.ambr_up", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_ambr_down, + {"AMBR Downlink(Aggregate Maximum Bit Rate for Downlink)", "gtpv2.ambr_down", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_ebi, + {"EPS Bearer ID (EBI)", "gtpv2.ebi", + FT_UINT8, BASE_DEC, NULL, 0x0f, + NULL, HFILL} + }, + { &hf_gtpv2_ip_address_ipv4, + {"IP address IPv4", "gtpv2.ip_address_ipv4", + FT_IPv4, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_ip_address_ipv6, + {"IP address IPv6", "gtpv2.ip_address_ipv6", + FT_IPv6, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_mei, + {"MEI(Mobile Equipment Identity)", "gtpv2.mei", + FT_STRING, BASE_NONE, NULL, 0, + NULL, HFILL} + }, + { &hf_gtpv2_pdn_numbers_nsapi, + {"NSAPI", "gtpv2.pdn_numbers_nsapi", + FT_UINT8, BASE_DEC, NULL, 0x0f, NULL, HFILL} + }, + { &hf_gtpv2_p_tmsi, + {"Packet TMSI (P-TMSI)", "gtpv2.p_tmsi", + FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL} + }, + { &hf_gtpv2_p_tmsi_sig, + {"P-TMSI Signature", "gtpv2.p_tmsi_sig", + FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL} + }, + {&hf_gtpv2_daf, + {"DAF (Dual Address Bearer Flag)", "gtpv2.daf", + FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL} + }, + {&hf_gtpv2_dtf, + {"DTF (Direct Tunnel Flag)", "gtpv2.dtf", + FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL} + }, + {&hf_gtpv2_hi, + {"HI (Handover Indication)", "gtpv2.hi", + FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL} + }, + {&hf_gtpv2_dfi, + {"DFI (Direct Forwarding Indication)", "gtpv2.dfi", + FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL} + }, + {&hf_gtpv2_oi, + {"OI (Operation Indication)", "gtpv2.oi", + FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL} + }, + {&hf_gtpv2_isrsi, + {"ISRSI (Idle mode Signalling Reduction Supported Indication)", "gtpv2.isrsi", + FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL} + }, + {&hf_gtpv2_israi, + {"ISRAI (Idle mode Signalling Reduction Activation Indication)", "gtpv2.israi", + FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL} + }, + {&hf_gtpv2_sgwci, + {"SGWCI (SGW Change Indication)", "gtpv2.sgwci", + FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL} + }, + {&hf_gtpv2_sqci, + {"SQCI (Subscribed QoS Change Indication)", "gtpv2.sqci", + FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL} + }, + {&hf_gtpv2_uimsi, + {"UIMSI (Unauthenticated IMSI)", "gtpv2.uimsi", + FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL} + }, + {&hf_gtpv2_cfsi, + {"CFSI (Change F-TEID support indication)", "gtpv2.cfsi", + FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL} + }, + {&hf_gtpv2_crsi, + {"CRSI (Change Reporting support indication)", "gtpv2.crsi", + FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL} + }, + {&hf_gtpv2_ps, + {"PS (Piggybacking Supported)", "gtpv2.ps", + FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL} + }, + {&hf_gtpv2_pt, + {"PT (Protocol Type)", "gtpv2.pt", + FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL} + }, + {&hf_gtpv2_si, + {"SI (Scope Indication)", "gtpv2.si", + FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL} + }, + {&hf_gtpv2_msv, + {"MSV (MS Validated)", "gtpv2.msv", + FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL} + }, + {&hf_gtpv2_retloc, + {"RetLoc (Retrieve Location Indication Flag)", "gtpv2.retloc", + FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL} + }, + {&hf_gtpv2_pbic, + {"PBIC (Propagate BBAI Information Change)", "gtpv2.pbic", + FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL} + }, + {&hf_gtpv2_srni, + {"SRNI (SGW Restoration Needed Indication)", "gtpv2.snri", + FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL} + }, + {&hf_gtpv2_s6af, + {"S6AF (Static IPv6 Address Flag)", "gtpv2.s6af", + FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL} + }, + {&hf_gtpv2_s4af, + {"S4AF (Static IPv4 Address Flag)", "gtpv2.s4af", + FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL} + }, + {&hf_gtpv2_mbmdt, + {"MBMDT (Management Based MDT allowed flag)", "gtpv2.mbmdt", + FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL} + }, + {&hf_gtpv2_israu, + {"ISRAU (ISR is activated for the UE)", "gtpv2.israu", + FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL} + }, + {&hf_gtpv2_ccrsi, + {"CCRSI (CSG Change Reporting support indication)", "gtpv2.ccrsi", + FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL} + }, + + {&hf_gtpv2_cprai, + {"CPRAI (Change of Presence Reporting Area information Indication)", "gtpv2.cprai", + FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL} + }, + {&hf_gtpv2_arrl, + {"ARRL (Abnormal Release of Radio Link)", "gtpv2.arrl", + FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL} + }, + {&hf_gtpv2_ppof, + {"PPOFF (PDN Pause Off Indication)", "gtpv2.ppof", + FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL} + }, + {&hf_gtpv2_ppon_ppei, + {"PPON (PDN Pause On Indication) / PPEI (PDN Pause Enabled Indication)", "gtpv2.ppon_ppei", + FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL} + }, + {&hf_gtpv2_ppsi, + {"PPSI (PDN Pause Support Indication)", "gtpv2.ppsi", + FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL} + }, + {&hf_gtpv2_csfbi, + {"CSFBI (CSFB Indication)", "gtpv2.csfbi", + FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL} + }, + {&hf_gtpv2_clii, + {"CLII (Change of Location Information Indication)", "gtpv2.clii", + FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL} + }, + {&hf_gtpv2_cpsr, + {"CPSR (CS to PS SRVCC Indication)", "gtpv2.cpsr", + FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL} + }, + {&hf_gtpv2_nsi, + {"NSI (NBIFOM Support Indication)", "gtpv2.nsi", + FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL} + }, + {&hf_gtpv2_uasi, + {"UASI (UE Available for Signalling Indication)", "gtpv2.uasi", + FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL} + }, + {&hf_gtpv2_dtci, + {"DTCI (Delay Tolerant Connection Indication)", "gtpv2.dtci", + FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL} + }, + {&hf_gtpv2_bdwi, + {"BDWI (Buffered DL Data Waiting Indication)", "gtpv2.bdwi", + FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL} + }, + {&hf_gtpv2_psci, + {"PSCI (Pending Subscription Change Indication)", "gtpv2.psci", + FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL} + }, + {&hf_gtpv2_pcri, + {"PCRI (P-CSCF Restoration Indication)", "gtpv2.pcri", + FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL} + }, + {&hf_gtpv2_aosi, + {"AOSI (Associate OCI with SGW node's Identity)", "gtpv2.aosi", + FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL} + }, + {&hf_gtpv2_aopi, + {"AOPI (Associate OCI with PGW node's Identity)", "gtpv2.aopi", + FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL} + }, + {&hf_gtpv2_roaai, + {"ROAAI (Release Over Any Access Indication)", "gtpv2.roaai", + FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL} + }, + {&hf_gtpv2_epcosi, + {"EPCOSI (Extended PCO Support Indication)", "gtpv2.epcosi", + FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL} + }, + {&hf_gtpv2_cpopci, + {"CPOPCI (Control Plane Only PDN Connection Indication)", "gtpv2.cpopci", + FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL} + }, + {&hf_gtpv2_pmtsmi, + {"PMTSMI (Pending MT Short Message Indication)", "gtpv2.pmtsmi", + FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL} + }, + {&hf_gtpv2_s11tf, + {"S11TF (S11-U Tunnel Flag)", "gtpv2.s11tf", + FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL} + }, + {&hf_gtpv2_pnsi, + {"PNSI (Pending Network Initiated PDN Connection Signalling Indication)", "gtpv2.pnsi", + FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL} + }, + {&hf_gtpv2_unaccsi, + {"UNACCSI (UE Not Authorized Cause Code Support Indication)", "gtpv2.unaccsi", + FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL} + }, + {&hf_gtpv2_wpmsi, + {"WPMSI (WLCP PDN Connection Modification Support Indication)", "gtpv2.wpmsi", + FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL} + }, + {&hf_gtpv2_5gsnn26, + { "5GSNN26 (5GS Interworking without N26 Indication)", "gtpv2.5gsnn26", + FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL } + }, + {&hf_gtpv2_reprefi, + { "REPREFI (Return Preferred Indication)", "gtpv2.reprefi", + FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL } + }, + {&hf_gtpv2_5gsiwk, + { "5GSIWKI (5GS Interworking Indication)", "gtpv2.5gsiwk", + FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL } + }, + {&hf_gtpv2_eevrsi, + { "EEVRSI (Extended EBI Value Range Support Indication)", "gtpv2.eevrsi", + FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL } + }, + {&hf_gtpv2_ltemui, + { "LTEMUI (LTE-M UE Indication)", "gtpv2.ltemui", + FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL } + }, + {&hf_gtpv2_ltempi, + { "LTEMPI (LTE-M RAT Type reporting to PGW Indication)", "gtpv2.ltempi", + FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL } + }, + {&hf_gtpv2_enbcrsi, + {"ENBCRSI (eNB Change Reporting Support Indication)", "gtpv2.enbcrsi", + FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL} + }, + {&hf_gtpv2_tspcmi, + {"TSPCMI (Triggering SGSN Initiated PDP Context Creation/Modification Indication)", "gtpv2.tspcmi", + FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL} + }, + {&hf_gtpv2_csrmfi, + { "CSRMFI (Create Session Request Message Forwarded Indication)", "gtpv2.csrmfi", + FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL } + }, + {&hf_gtpv2_mtedtn, + { "MTEDTN (MT-EDT Not Applicable)", "gtpv2.mtedtn", + FT_BOOLEAN, 8, TFS(&tfs_applicable_not_applicable), 0x40, NULL, HFILL } + }, + + {&hf_gtpv2_mtedta, + { "MTEDTA (MT-EDT Applicable)", "gtpv2.mtedta", + FT_BOOLEAN, 8, TFS(&tfs_applicable_not_applicable), 0x20, NULL, HFILL } + }, + + {&hf_gtpv2_n5gnmi, + { "N5GNMI (No 5GS N26 Mobility Indication)", "gtpv2.n5gnmi", + FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL } + }, + { &hf_gtpv2_5gcnrs, + { "5GCNRS (5GC Not Restricted Support)", "gtpv2.5gcnrs", + FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x08, NULL, HFILL } + }, + { &hf_gtpv2_5gcnri, + { "5GCNRI (5GC Not Restricted Indication)", "gtpv2.5gcnri", + FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x04, NULL, HFILL } + }, + { &hf_gtpv2_5srhoi, + { "5SRHOI (5G-SRVCC HO Indication)", "gtpv2.5srhoi", + FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x02, NULL, HFILL } + }, + { &hf_gtpv2_ethpdn, + {"ETHPDN (Ethernet PDN Support Indication)", "gtpv2.ethpdn", + FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x01, NULL, HFILL} + }, + { &hf_gtpv2_nspusi, + {"NSPUSI (Notify Start of Pause of Charging via User plane Support Indication)", "gtpv2.nspusi", + FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL} + }, + { &hf_gtpv2_pgwrnsi, + {"PGWRNSI (PGW Redirection due to mismatch with Network Slice subscribed by UE Support Indication)", "gtpv2.pgwrnsi", + FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL} + }, + { &hf_gtpv2_rppcsi, + {"RPPCSI (Restoration of PDN connections after an PGW-C/SMF change Support Indication)", "gtpv2.rppcsi", + FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL} + }, + { &hf_gtpv2_pgwchi, + {"PGWCHI (PGW CHange Indication)", "gtpv2.pgwchi", + FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL} + }, + { &hf_gtpv2_sissme, + {"SISSME (Same IWK-SCEF Selected for Monitoring Event Indication)", "gtpv2.sissme", + FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL} + }, + { &hf_gtpv2_nsenbi, + {"NSENBI (Notify Source eNodeB Indication)", "gtpv2.nsenbi", + FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL} + }, + { &hf_gtpv2_idfupf, + {"IDFUPF (Indirect Data Forwarding with UPF Indication)", "gtpv2.idfupf", + FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL} + }, + { &hf_gtpv2_emci, + {"EMCI (Emergency PDU Session Indication)", "gtpv2.emci", + FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL} + }, + { &hf_gtpv2_ltemsai, + {"LTEMSAI (LTE-M Satellite Access Indication)", "gtpv2.ltemsai", + FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL} + }, + { &hf_gtpv2_srtpi, + {"SRTPI (Satellite RAT Type reporting to PGW Indication)", "gtpv2.srtpi", + FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL} + }, + { &hf_gtpv2_upipsi, + {"UPIPSI (User Plane Integrity Protection Support Indication)", "gtpv2.upipsi", + FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL} + }, + + + { &hf_gtpv2_pdn_type, + {"PDN Type", "gtpv2.pdn_type", + FT_UINT8, BASE_DEC, VALS(gtpv2_pdn_type_vals), 0x07, + NULL, HFILL} + }, +#if 0 + { &hf_gtpv2_tra_info, + {"Trace ID", "gtpv2.tra_info", + FT_STRING, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, +#endif + { &hf_gtpv2_tra_info_msc_momt_calls, + {"MO and MT calls", "gtpv2.tra_info_msc_momt_calls", + FT_UINT8, BASE_DEC, NULL, 0x01, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_msc_momt_sms, + {"MO and MT SMS", "gtpv2.tra_info_msc_momt_sms", + FT_UINT8, BASE_DEC, NULL, 0x02, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_msc_lu_imsi_ad, + {"LU, IMSI attach, IMSI detach", "gtpv2.tra_info_msc_lu_imsi_ad", + FT_UINT8, BASE_DEC, NULL, 0x04, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_msc_handovers, + {"Handovers", "gtpv2.tra_info_msc_handovers", + FT_UINT8, BASE_DEC, NULL, 0x08, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_msc_ss, + {"SS", "gtpv2.tra_info_msc_ss", + FT_UINT8, BASE_DEC, NULL, 0x10, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_mgw_context, + {"Context", "gtpv2.tra_info_mgw_context", + FT_UINT8, BASE_DEC, NULL, 0x01, + "MGW", HFILL} + }, + { &hf_gtpv2_tra_info_sgsn_pdp_context, + {"PDP context", "gtpv2.tra_info_sgsn_pdp_context", + FT_UINT8, BASE_DEC, NULL, 0x01, + "SGSN", HFILL} + }, + { &hf_gtpv2_tra_info_sgsn_momt_sms, + {"MO and MT SMS", "gtpv2.tra_info_sgsn_momt_sms", + FT_UINT8, BASE_DEC, NULL, 0x02, + "SGSN", HFILL} + }, + { &hf_gtpv2_tra_info_sgsn_rau_gprs_ad, + {"RAU, GPRS attach, GPRS detach", "gtpv2.tra_info_sgsn_rau_gprs_ad", + FT_UINT8, BASE_DEC, NULL, 0x04, + "SGSN", HFILL} + }, + { &hf_gtpv2_tra_info_sgsn_mbms, + {"MBMS Context", "gtpv2.tra_info_sgsn_mbms", + FT_UINT8, BASE_DEC, NULL, 0x08, + "SGSN", HFILL} + }, + { &hf_gtpv2_tra_info_sgsn_reserved, + {"Reserved", "gtpv2.tra_info_sgsn_reserved", + FT_UINT8, BASE_DEC, NULL, 0x0, + "SGSN", HFILL} + }, + { &hf_gtpv2_tra_info_ggsn_pdp, + {"PDP Context", "gtpv2.tra_info_ggsn_pdp", + FT_UINT8, BASE_DEC, NULL, 0x01, + "GGSN", HFILL} + }, + { &hf_gtpv2_tra_info_ggsn_mbms, + {"MBMS Context", "gtpv2.tra_info_ggsn_mbms", + FT_UINT8, BASE_DEC, NULL, 0x02, + "GGSN", HFILL} + }, + { &hf_gtpv2_tra_info_bm_sc, + {"MBMS Multicast service activation", "gtpv2.tra_info_bm_sc", + FT_UINT8, BASE_DEC, NULL, 0x01, + "BM-SC", HFILL} + }, + { &hf_gtpv2_tra_info_mme_sgw_ss, + {"Session setup", "gtpv2.tra_info_mme_sgw_ss", + FT_UINT8, BASE_DEC, NULL, 0x01, + "MME", HFILL} + }, + { &hf_gtpv2_tra_info_mme_sgw_sr, + {"Service Request", "gtpv2.tra_info_mme_sgw_sr", + FT_UINT8, BASE_DEC, NULL, 0x02, + "MME", HFILL} + }, + { &hf_gtpv2_tra_info_mme_sgw_iataud, + {"Initial Attach, Tracking area update, Detach", "gtpv2.tra_info_mme_sgw_iataud", + FT_UINT8, BASE_DEC, NULL, 0x04, + "MME", HFILL} + }, + { &hf_gtpv2_tra_info_mme_sgw_ue_init_pdn_disc, + {"UE initiated PDN disconnection", "gtpv2.tra_info_mme_sgw_ue_init_pdn_disc", + FT_UINT8, BASE_DEC, NULL, 0x08, + "MME", HFILL} + }, + { &hf_gtpv2_tra_info_mme_sgw_bearer_act_mod_del, + {"Bearer Activation Modification Deletion", "gtpv2.tra_info_mme_sgw_bearer_act_mod_del", + FT_UINT8, BASE_DEC, NULL, 0x10, + "MME", HFILL} + }, + { &hf_gtpv2_tra_info_mme_sgw_ho, + {"Handover", "gtpv2.tra_info_mme_sgw_ho", + FT_UINT8, BASE_DEC, NULL, 0x20, + "MME", HFILL} + }, + { &hf_gtpv2_tra_info_sgw_pdn_con_creat, + {"PDN Connection creation", "gtpv2.tra_info_sgw_pdn_con_creat", + FT_UINT8, BASE_DEC, NULL, 0x01, + "SGW", HFILL} + }, + { &hf_gtpv2_tra_info_sgw_pdn_con_term, + {"PDN connection termination", "gtpv2.tra_info_sgw_pdn_con_term", + FT_UINT8, BASE_DEC, NULL, 0x02, + "SGW", HFILL} + }, + { &hf_gtpv2_tra_info_sgw_bearer_act_mod_del, + {"Bearer Activation Modification Deletion", "gtpv2.tra_info_sgw_bearer_act_mod_del", + FT_UINT8, BASE_DEC, NULL, 0x04, + "SGW", HFILL} + }, + { &hf_gtpv2_tra_info_pgw_pdn_con_creat, + {"PDN Connection creation", "gtpv2.tra_info_pgw_pdn_con_creat", + FT_UINT8, BASE_DEC, NULL, 0x10, + "PGW", HFILL} + }, + { &hf_gtpv2_tra_info_pgw_pdn_con_term, + {"PDN connection termination", "gtpv2.tra_info_pgw_pdn_con_term", + FT_UINT8, BASE_DEC, NULL, 0x20, + "PGW", HFILL} + }, + { &hf_gtpv2_tra_info_pgw_bearer_act_mod_del, + {"Bearer Activation Modification Deletion", "gtpv2.tra_info_pgw_bearer_act_mod_del", + FT_UINT8, BASE_DEC, NULL, 0x40, + "PGW", HFILL} + }, + { &hf_gtpv2_tra_info_lne_msc_s, + {"MSC-S", "gtpv2.tra_info_lne_msc_s", + FT_BOOLEAN, 8, NULL, 0x01, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lne_mgw, + {"MGW", "gtpv2.tra_info_lne_mgw", + FT_BOOLEAN, 8, NULL, 0x02, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lne_sgsn, + {"SGSN", "gtpv2.tra_info_lne_sgsn", + FT_BOOLEAN, 8, NULL, 0x04, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lne_ggsn, + {"GGSN", "gtpv2.tra_info_lne_ggsn", + FT_BOOLEAN, 8, NULL, 0x08, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lne_rnc, + {"RNC", "gtpv2.tra_info_lne_rnc", + FT_UINT8, BASE_DEC, NULL, 0x10, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lne_bm_sc, + {"BM-SC", "gtpv2.tra_info_lne_bm_sc", + FT_BOOLEAN, 8, NULL, 0x20, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lne_mme, + {"MME", "gtpv2.tra_info_lne_mme", + FT_BOOLEAN, 8, NULL, 0x40, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lne_sgw, + {"SGW", "gtpv2.tra_info_lne_sgw", + FT_BOOLEAN, 8, NULL, 0x80, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lne_pdn_gw, + {"PDN GW", "gtpv2.tra_info_lne_pdn_gw", + FT_BOOLEAN, 8, NULL, 0x01, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lne_enb, + {"eNB", "gtpv2.tra_info_lne_enb", + FT_BOOLEAN, 8, NULL, 0x02, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lne_amf, + {"AMF", "gtpv2.tra_info_lne_amf", + FT_BOOLEAN, 8, NULL, 0x04, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lne_smf, + {"SMF", "gtpv2.tra_info_lne_smf", + FT_BOOLEAN, 8, NULL, 0x08, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lne_pcf, + {"PCF", "gtpv2.tra_info_lne_pcf", + FT_BOOLEAN, 8, NULL, 0x10, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lne_upf, + {"UPF", "gtpv2.tra_info_lne_upf", + FT_BOOLEAN, 8, NULL, 0x20, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_tra_info_ng_ran_node, + {"NG-RAN node", "gtpv2.tra_info_ng_ran_node", + FT_BOOLEAN, 8, NULL, 0x40, + NULL, HFILL} + }, + + { &hf_gtpv2_tra_info_tdl, + {"Trace Depth Length", "gtpv2.tra_info_tdl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_tra_info_lmsc_a, + {"A", "gtpv2.tra_info_lmsc_a", + FT_UINT8, BASE_DEC, NULL, 0x01, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_lmsc_lu, + {"Iu", "gtpv2.tra_info_lmsc_lu", + FT_UINT8, BASE_DEC, NULL, 0x02, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_lmsc_mc, + {"Mc", "gtpv2.tra_info_lmsc_mc", + FT_UINT8, BASE_DEC, NULL, 0x04, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_lmsc_map_g, + {"MAP-G", "gtpv2.tra_info_lmsc_map_g", + FT_UINT8, BASE_DEC, NULL, 0x08, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_lmsc_map_b, + {"MAP-B", "gtpv2.tra_info_lmsc_map_b", + FT_UINT8, BASE_DEC, NULL, 0x10, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_lmsc_map_e, + {"MAP-E", "gtpv2.tra_info_lmsc_map_e", + FT_UINT8, BASE_DEC, NULL, 0x20, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_lmsc_map_f, + {"MAP-F", "gtpv2.tra_info_lmsc_map_f", + FT_UINT8, BASE_DEC, NULL, 0x40, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_lmsc_cap, + {"CAP", "gtpv2.tra_info_lmsc_cap", + FT_UINT8, BASE_DEC, NULL, 0x80, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_lmsc_map_d, + {"MAP-D", "gtpv2.tra_info_lmsc_map_d", + FT_UINT8, BASE_DEC, NULL, 0x01, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_lmsc_map_c, + {"MAP-C", "gtpv2.tra_info_lmsc_map_c", + FT_UINT8, BASE_DEC, NULL, 0x02, + "MSC Server", HFILL} + }, + { &hf_gtpv2_tra_info_lmgw_mc, + {"Mc", "gtpv2.tra_info_lmgw_mc", + FT_UINT8, BASE_DEC, NULL, 0x01, + "MGW", HFILL} + }, + { &hf_gtpv2_tra_info_lmgw_nb_up, + {"Nb-UP", "gtpv2.tra_info_lmgw_nb_up", + FT_UINT8, BASE_DEC, NULL, 0x2, + "MGW", HFILL} + }, + { &hf_gtpv2_tra_info_lmgw_lu_up, + {"Iu-UP", "gtpv2.tra_info_lmgw_lu_up", + FT_UINT8, BASE_DEC, NULL, 0x04, + "MGW", HFILL} + }, + { &hf_gtpv2_tra_info_lsgsn_gb, + {"Gb", "gtpv2.tra_info_lsgsn_gb", + FT_UINT8, BASE_DEC, NULL, 0x01, + "SGSN", HFILL} + }, + { &hf_gtpv2_tra_info_lsgsn_lu, + {"Iu", "gtpv2.tra_info_lsgsn_lu", + FT_UINT8, BASE_DEC, NULL, 0x02, + "SGSN", HFILL} + }, + { &hf_gtpv2_tra_info_lsgsn_gn, + {"Gn", "gtpv2.tra_info_lsgsn_gn", + FT_UINT8, BASE_DEC, NULL, 0x04, + "SGSN", HFILL} + }, + { &hf_gtpv2_tra_info_lsgsn_map_gr, + {"MAP-Gr", "gtpv2.tra_info_lsgsn_map_gr", + FT_UINT8, BASE_DEC, NULL, 0x08, + "SGSN", HFILL} + }, + { &hf_gtpv2_tra_info_lsgsn_map_gd, + {"MAP-Gd", "gtpv2.tra_info_lsgsn_map_gd", + FT_UINT8, BASE_DEC, NULL, 0x10, + "SGSN", HFILL} + }, + { &hf_gtpv2_tra_info_lsgsn_map_gf, + {"MAP-Gf", "gtpv2.tra_info_lsgsn_map_gf", + FT_UINT8, BASE_DEC, NULL, 0x20, + "SGSN", HFILL} + }, + { &hf_gtpv2_tra_info_lsgsn_gs, + {"Gs", "gtpv2.tra_info_lsgsn_gs", + FT_UINT8, BASE_DEC, NULL, 0x40, + "SGSN", HFILL} + }, + { &hf_gtpv2_tra_info_lsgsn_ge, + {"Ge", "gtpv2.tra_info_lsgsn_ge", + FT_UINT8, BASE_DEC, NULL, 0x80, + "SGSN", HFILL} + }, + { &hf_gtpv2_tra_info_lggsn_gn, + {"Gn", "gtpv2.tra_info_lggsn_gn", + FT_UINT8, BASE_DEC, NULL, 0x01, + "GGSN", HFILL} + }, + { &hf_gtpv2_tra_info_lggsn_gi, + {"Gi", "gtpv2.tra_info_lggsn_gi", + FT_UINT8, BASE_DEC, NULL, 0x02, + "GGSN", HFILL} + }, + { &hf_gtpv2_tra_info_lggsn_gmb, + {"Gmb", "gtpv2.tra_info_lggsn_gmb", + FT_UINT8, BASE_DEC, NULL, 0x04, + "GGSN", HFILL} + }, + { &hf_gtpv2_tra_info_lrnc_lu, + {"Iu", "gtpv2.tra_info_lrnc_lu", + FT_UINT8, BASE_DEC, NULL, 0x01, + "RNC", HFILL} + }, + { &hf_gtpv2_tra_info_lrnc_lur, + {"Iur", "gtpv2.tra_info_lrnc_lur", + FT_UINT8, BASE_DEC, NULL, 0x02, + "RNC", HFILL} + }, + { &hf_gtpv2_tra_info_lrnc_lub, + {"Iub", "gtpv2.tra_info_lrnc_lub", + FT_UINT8, BASE_DEC, NULL, 0x04, + "RNC", HFILL} + }, + { &hf_gtpv2_tra_info_lrnc_uu, + {"Uu", "gtpv2.tra_info_lrnc_uu", + FT_UINT8, BASE_DEC, NULL, 0x08, + "RNC", HFILL} + }, + { &hf_gtpv2_tra_info_lbm_sc_gmb, + {"Gmb", "gtpv2.tra_info_lbm_sc_gmb", + FT_UINT8, BASE_DEC, NULL, 0x01, + "BM-SC", HFILL} + }, + { &hf_gtpv2_tra_info_lmme_s1_mme, + {"S1-MME", "gtpv2.tra_info_lmme_s1_mme", + FT_UINT8, BASE_DEC, NULL, 0x01, + "MME", HFILL} + }, + { &hf_gtpv2_tra_info_lmme_s3, + {"S3", "gtpv2.tra_info_lmme_s3", + FT_UINT8, BASE_DEC, NULL, 0x02, + "MME", HFILL} + }, + { &hf_gtpv2_tra_info_lmme_s6a, + {"S6a", "gtpv2.tra_info_lmme_s6a", + FT_UINT8, BASE_DEC, NULL, 0x04, + "MME", HFILL} + }, + { &hf_gtpv2_tra_info_lmme_s10, + {"S10", "gtpv2.tra_info_lmme_s10", + FT_UINT8, BASE_DEC, NULL, 0x08, + "MME", HFILL} + }, + { &hf_gtpv2_tra_info_lmme_s11, + {"S11", "gtpv2.tra_info_lmme_s11", + FT_UINT8, BASE_DEC, NULL, 0x10, + "MME", HFILL} + }, + { &hf_gtpv2_tra_info_lsgw_s4, + {"S4", "gtpv2.tra_info_lsgw_s4", + FT_UINT8, BASE_DEC, NULL, 0x01, + "SGW", HFILL} + }, + { &hf_gtpv2_tra_info_lsgw_s5, + {"S5", "gtpv2.tra_info_lsgw_s5", + FT_UINT8, BASE_DEC, NULL, 0x02, + "SGW", HFILL} + }, + { &hf_gtpv2_tra_info_lsgw_s8b, + {"S8b", "gtpv2.tra_info_lsgw_s8b", + FT_UINT8, BASE_DEC, NULL, 0x04, + "SGW", HFILL} + }, + { &hf_gtpv2_tra_info_lsgw_s11, + {"S11", "gtpv2.tra_info_lsgw_s11", + FT_UINT8, BASE_DEC, NULL, 0x08, + "SGW", HFILL} + }, + { &hf_gtpv2_tra_info_lpdn_gw_s2a, + {"S2a", "gtpv2.tra_info_lpdn_gw_s2a", + FT_UINT8, BASE_DEC, NULL, 0x01, + "PDN GW", HFILL} + }, + { &hf_gtpv2_tra_info_lpdn_gw_s2b, + {"S2b", "gtpv2.tra_info_lpdn_gw_s2b", + FT_UINT8, BASE_DEC, NULL, 0x02, + "PDN GW", HFILL} + }, + { &hf_gtpv2_tra_info_lpdn_gw_s2c, + {"S2c", "gtpv2.tra_info_lpdn_gw_s2c", + FT_UINT8, BASE_DEC, NULL, 0x04, + "PDN GW", HFILL} + }, + { &hf_gtpv2_tra_info_lpdn_gw_s5, + {"S5", "gtpv2.tra_info_lpdn_gw_s5", + FT_UINT8, BASE_DEC, NULL, 0x08, + "PDN GW", HFILL} + }, + { &hf_gtpv2_tra_info_lpdn_gw_s6c, + {"S6c", "gtpv2.tra_info_lpdn_gw_s6c", + FT_UINT8, BASE_DEC, NULL, 0x10, + "PDN GW", HFILL} + }, + { &hf_gtpv2_tra_info_lpdn_gw_gx, + {"Gx", "gtpv2.tra_info_lpdn_gw_gx", + FT_UINT8, BASE_DEC, NULL, 0x20, + "PDN GW", HFILL} + }, + { &hf_gtpv2_tra_info_lpdn_gw_s8b, + {"S8b", "gtpv2.tra_info_lpdn_gw_s8b", + FT_UINT8, BASE_DEC, NULL, 0x40, + "PDN GW", HFILL} + }, + { &hf_gtpv2_tra_info_lpdn_gw_sgi, + {"SGi", "gtpv2.tra_info_lpdn_gw_sgi", + FT_UINT8, BASE_DEC, NULL, 0x80, + "PDN GW", HFILL} + }, + { &hf_gtpv2_tra_info_lenb_s1_mme, + {"S1-MME", "gtpv2.tra_info_lenb_s1_mme", + FT_UINT8, BASE_DEC, NULL, 0x01, + "eNB", HFILL} + }, + { &hf_gtpv2_tra_info_lenb_x2, + {"X2", "gtpv2.tra_info_lenb_x2", + FT_UINT8, BASE_DEC, NULL, 0x02, + "eNB", HFILL} + }, + { &hf_gtpv2_tra_info_lenb_uu, + {"Uu", "gtpv2.tra_info_lenb_uu", + FT_UINT8, BASE_DEC, NULL, 0x04, + "eNB", HFILL} + }, + { &hf_gtpv2_pdn_ipv4, + {"PDN Address and Prefix(IPv4)", "gtpv2.pdn_addr_and_prefix.ipv4", + FT_IPv4, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_pdn_ipv6_len, + {"IPv6 Prefix Length", "gtpv2.pdn_ipv6_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_pdn_ipv6, + {"PDN Address and Prefix(IPv6)", "gtpv2.pdn_addr_and_prefix.ipv6", + FT_IPv6, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + /* Bit 7 - PCI (Pre-emption Capability): See 3GPP TS 29.212[29], clause 5.3.46 Pre-emption-Capability AVP. + * clause 5.3.46 Pre-emption-Capability AVP. + * 5.3.46 Pre-emption-Capability AVP + * The following values are defined: + * PRE-EMPTION_CAPABILITY_ENABLED (0) + * PRE-EMPTION_CAPABILITY_DISABLED (1) + */ + {&hf_gtpv2_bearer_qos_pci, + {"PCI (Pre-emption Capability)", "gtpv2.bearer_qos_pci", + FT_BOOLEAN, 8, TFS(&tfs_disabled_enabled), 0x40, + NULL, HFILL} + }, + {&hf_gtpv2_bearer_qos_pl, + {"PL (Priority Level)", "gtpv2.bearer_qos_pl", + FT_UINT8, BASE_DEC, NULL, 0x3c, + NULL, HFILL} + }, + /* Bit 1 - PVI (Pre-emption Vulnerability): See 3GPP TS 29.212[29], + * clause 5.3.47 Pre-emption-Vulnerability AVP. + * 5.3.47 Pre-emption-Vulnerability AVP + * The following values are defined: + * PRE-EMPTION_VULNERABILITY_ENABLED (0) + * PRE-EMPTION_VULNERABILITY_DISABLED (1) + */ + {&hf_gtpv2_bearer_qos_pvi, + {"PVI (Pre-emption Vulnerability)", "gtpv2.bearer_qos_pvi", + FT_BOOLEAN, 8, TFS(&tfs_disabled_enabled), 0x01, + NULL, HFILL} + }, + {&hf_gtpv2_bearer_qos_label_qci, + {"Label (QCI)", "gtpv2.bearer_qos_label_qci", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_bearer_qos_mbr_up, + {"Maximum Bit Rate For Uplink", "gtpv2.bearer_qos_mbr_up", + FT_UINT64, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_bearer_qos_mbr_down, + {"Maximum Bit Rate For Downlink", "gtpv2.bearer_qos_mbr_down", + FT_UINT64, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_bearer_qos_gbr_up, + {"Guaranteed Bit Rate For Uplink", "gtpv2.bearer_qos_gbr_up", + FT_UINT64, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_bearer_qos_gbr_down, + {"Guaranteed Bit Rate For Downlink", "gtpv2.bearer_qos_gbr_down", + FT_UINT64, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_flow_qos_label_qci, + {"Label (QCI)", "gtpv2.flow_qos_label_qci", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_flow_qos_mbr_up, + {"Maximum Bit Rate For Uplink", "gtpv2.flow_qos_mbr_up", + FT_UINT64, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_flow_qos_mbr_down, + {"Maximum Bit Rate For Downlink", "gtpv2.flow_qos_mbr_down", + FT_UINT64, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_flow_qos_gbr_up, + {"Guaranteed Bit Rate For Uplink", "gtpv2.flow_qos_gbr_up", + FT_UINT64, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_flow_qos_gbr_down, + {"Guaranteed Bit Rate For Downlink", "gtpv2.flow_qos_gbr_down", + FT_UINT64, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_rat_type, + {"RAT Type", "gtpv2.rat_type", + FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_rat_type_vals_ext, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_uli_ecgi_flg, + {"ECGI Present", "gtpv2.uli_ecgi_flg", + FT_BOOLEAN, 8, NULL, GTPv2_ULI_ECGI_MASK, + NULL, HFILL} + }, + { &hf_gtpv2_uli_ext_macro_enb_id_flg, + {"Extended Macro eNodeB ID Present", "gtpv2.uli_ext_macro_enb_id_flg", + FT_BOOLEAN, 8, NULL, GTPv2_ULI_EXT_MACRO_eNB_ID_MASK, + NULL, HFILL} + }, + { &hf_gtpv2_uli_macro_enb_id_flg, + {"Macro eNodeB ID Present", "gtpv2.uli_macro_enb_id_flg", + FT_BOOLEAN, 8, NULL, GTPv2_ULI_MACRO_eNB_ID_MASK, + NULL, HFILL} + }, + { &hf_gtpv2_uli_lai_flg, + {"LAI Present", "gtpv2.uli_lai_flg", + FT_BOOLEAN, 8, NULL, GTPv2_ULI_LAI_MASK, + NULL, HFILL} + }, + { &hf_gtpv2_uli_tai_flg, + {"TAI Present", "gtpv2.uli_tai_flg", + FT_BOOLEAN, 8, NULL, GTPv2_ULI_TAI_MASK, + NULL, HFILL} + }, + { &hf_gtpv2_uli_rai_flg, + {"RAI Present", "gtpv2.uli_rai_flg", + FT_BOOLEAN, 8, NULL, GTPv2_ULI_RAI_MASK, + NULL, HFILL} + }, + { &hf_gtpv2_uli_sai_flg, + {"SAI Present", "gtpv2.uli_sai_flg", + FT_BOOLEAN, 8, NULL, GTPv2_ULI_SAI_MASK, + NULL, HFILL} + }, + { &hf_gtpv2_uli_cgi_flg, + {"CGI Present", "gtpv2.uli_cgi_flg", + FT_BOOLEAN, 8, NULL, GTPv2_ULI_CGI_MASK, + NULL, HFILL} + }, + { &hf_gtpv2_glt, + {"Geographic Location Type", "gtpv2.glt", + FT_UINT8, BASE_DEC, VALS(geographic_location_type_vals), 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_uli_cgi_lac, + {"Location Area Code", "gtpv2.uli_cgi_lac", + FT_UINT16, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_uli_cgi_ci, + {"Cell Identity", "gtpv2.uli_cgi_ci", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_sai_lac, + {"Location Area Code", "gtpv2.sai_lac", + FT_UINT16, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_sai_sac, + {"Service Area Code", "gtpv2.sai_sac", + FT_UINT16, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_rai_lac, + {"Location Area Code", "gtpv2.rai_lac", + FT_UINT16, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_rai_rac, + {"Routing Area Code", "gtpv2.rai_rac", + FT_UINT16, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_tai_tac, + {"Tracking Area Code", "gtpv2.tai_tac", + FT_UINT16, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_5gs_tai_tac, + {"5GS Tracking Area Code", "gtpv2.5gs_tai_tac", + FT_UINT24, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_ecgi_eci, + {"ECI (E-UTRAN Cell Identifier)", "gtpv2.ecgi_eci", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_ncgi_nrci, + {"NR Cell Identifier", "gtpv2.ncgi_nrci", + FT_UINT40, BASE_HEX, NULL, 0xfffffffff0, + NULL, HFILL} + }, + {&hf_gtpv2_uli_lai_lac, + {"Location Area Code (LAC)", "gtpv2.uli_lai_lac", + FT_UINT16, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_ecgi_eci_spare, + {"Spare", "gtpv2.uli_ecgi_eci_spare", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_nsapi, + {"NSAPI", "gtpv2.nsapi", + FT_UINT8, BASE_DEC, NULL, 0x0f, + NULL, HFILL} + }, + {&hf_gtpv2_f_teid_v4, + {"V4", "gtpv2.f_teid_v4", + FT_BOOLEAN, 8, TFS(>pv2_f_teid_v4_vals), 0x80, + NULL, HFILL} + }, + {&hf_gtpv2_f_teid_v6, + {"V6", "gtpv2.f_teid_v6", + FT_BOOLEAN, 8, TFS(>pv2_f_teid_v6_vals), 0x40, + NULL, HFILL} + }, + {&hf_gtpv2_f_teid_interface_type, + {"Interface Type", "gtpv2.f_teid_interface_type", + FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_f_teid_interface_type_vals_ext, 0x3f, + NULL , HFILL} + }, + {&hf_gtpv2_f_teid_gre_key, + {"TEID/GRE Key", "gtpv2.f_teid_gre_key", + FT_UINT32, BASE_HEX_DEC, NULL, 0x0, + NULL , HFILL} + }, + { &hf_gtpv2_f_teid_ipv4, + {"F-TEID IPv4", "gtpv2.f_teid_ipv4", + FT_IPv4, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_f_teid_ipv6, + {"F-TEID IPv6", "gtpv2.f_teid_ipv6", + FT_IPv6, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_tmsi, + {"TMSI", "gtpv2.tmsi", + FT_UINT32, BASE_HEX, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_hsgw_addr_f_len, + {"HSGW Address for forwarding Length", "gtpv2.hsgw_addr_f_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_hsgw_addr_ipv4, + {"HSGW Address for forwarding", "gtpv2.hsgw_addr_ipv4", + FT_IPv4, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_hsgw_addr_ipv6, + {"HSGW Address for forwarding", "gtpv2.hsgw_addr_ipv6", + FT_IPv6, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_gre_key, + {"GRE Key", "gtpv2.gre_key", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL , HFILL} + }, + { &hf_gtpv2_sgw_addr_ipv4, + {"Serving GW Address", "gtpv2.sgw_addr_ipv4", + FT_IPv4, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_sgw_addr_ipv6, + {"Serving GW Address", "gtpv2.sgw_addr_ipv6", + FT_IPv6, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_sgw_s1u_teid, + {"Serving GW S1-U TEID", "gtpv2.sgw_s1u_teid", + FT_UINT32, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_delay_value, + {"Delay Value (In integer multiples of 50 milliseconds or zero)", "gtpv2.delay_value", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_charging_id, + {"Charging id", "gtpv2.charging_id", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_charging_characteristic, + {"Charging Characteristic", "gtpv2.charging_characteristic", + FT_UINT16, BASE_HEX, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_bearer_flag_ppc, + {"PPC (Prohibit Payload Compression)", "gtpv2.bearer_flag.ppc", + FT_BOOLEAN, 8, NULL, 0x01, + NULL, HFILL} + }, + {&hf_gtpv2_bearer_flag_vb, + {"VB (Voice Bearer)", "gtpv2.bearer_flag.vb", + FT_BOOLEAN, 8, NULL, 0x02, + NULL, HFILL} + }, + {&hf_gtpv2_pti, + {"Procedure Transaction Id", "gtpv2.pti", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + /* MM Context */ + { &hf_gtpv2_mm_context_sm, + {"Security Mode", "gtpv2.mm_context_sm", + FT_UINT8, BASE_DEC, VALS(gtpv2_mm_context_security_mode), 0xe0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_nhi, + {"NHI(Next Hop Indicator)", "gtpv2.mm_context_nhi", + FT_BOOLEAN, 8, TFS(>pv2_nhi_vals), 0x10, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_drxi, + {"DRXI", "gtpv2.mm_context_drxi", + FT_UINT8, BASE_DEC, NULL, 0x08, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_cksn, + {"CKSN", "gtpv2.mm_context_cksn", + FT_UINT8, BASE_DEC, NULL, 0x07, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_cksn_ksi, + {"CKSN/KSI", "gtpv2.mm_context_cksn_ksi", + FT_UINT8, BASE_DEC, NULL, 0x07, + NULL, HFILL} + }, + { &hf_gtpv2_metric, + {"Metric", "gtpv2.metric", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_throttling_factor, + {"Throttling Factor", "gtpv2.throttling_factor", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_relative_capacity, + {"Relative Capacity", "gtpv2.relative_capacity", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_apn_length, + {"APN Length", "gtpv2.apn_length", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_sequence_number, + {"Sequence Number", "gtpv2.sequence_number", + FT_UINT32, BASE_HEX, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_ksi_a, + {"KSI_asme", "gtpv2.mm_context_ksi_a", + FT_UINT8, BASE_DEC, NULL, 0x07, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_nr_tri, + {"Number of Triplet", "gtpv2.mm_context_nr_tri", + FT_UINT8, BASE_DEC, NULL, 0xe0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_used_cipher, + {"Used Cipher", "gtpv2.mm_context_used_cipher", + FT_UINT8, BASE_DEC, VALS(gtpv2_mm_context_used_cipher_vals), 0x07, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_unipa, + {"Used NAS integrity protection algorithm", "gtpv2.mm_context_unipa", + FT_UINT8, BASE_DEC, VALS(gtpv2_mm_context_unipa_vals), 0x70, + NULL, HFILL} + }, + + { &hf_gtpv2_mm_context_unc, + {"Used NAS Cipher", "gtpv2.mm_context_unc", + FT_UINT8, BASE_DEC, VALS(gtpv2_mm_context_unc_vals), 0x0f, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_nas_dl_cnt, + {"NAS Downlink Count", "gtpv2.mm_context_nas_dl_cnt", + FT_UINT24, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_nas_ul_cnt, + {"NAS Uplink Count", "gtpv2.mm_context_nas_ul_cnt", + FT_UINT24, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_kasme, + {"Kasme", "gtpv2.mm_context_kasme", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_rand, + {"RAND", "gtpv2.mm_context_rand", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_uci_csg_id, + {"CSG ID", "gtpv2.cui_csg_id", + FT_UINT32, BASE_DEC, NULL, 0x07FFFFFF, + NULL, HFILL} + }, + {&hf_gtpv2_uci_csg_id_spare, + {"Spare", "gtpv2.cui_csg_id_spare", + FT_UINT8, BASE_DEC, NULL, 0xF8, + NULL, HFILL} + }, + { &hf_gtpv2_uci_csg_membership, + { "CSG Membership Indication", "gtpv2.uci_csg_membership", + FT_UINT8, BASE_DEC, VALS(gtpv2_uci_csg_membership_status), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_uci_access_mode, + {"Access Mode", "gtpv2.uci_access_mode", + FT_UINT8, BASE_DEC, VALS(gtpv2_uci_access_mode), 0xC0, + NULL, HFILL } + }, + { &hf_gtpv2_uci_lcsg, + {"Leave CSG", "gtpv2.uci_leave_csg", + FT_UINT8, BASE_DEC, VALS(gtpv2_uci_leave_csg), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_xres_len, + {"XRES Length", "gtpv2.mm_context_xres_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_xres, + {"XRES", "gtpv2.mm_context_xres", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_autn_len, + {"AUTN Length", "gtpv2.mm_context_autn_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_autn, + {"AUTN", "gtpv2.mm_context_autn", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_drx, + {"DRX", "gtpv2.mm_context_drx", + FT_UINT16, BASE_HEX, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_vdp_length, + {"VDP and UE's Usage Setting length", "gtpv2.vdp_length", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + + { &hf_gtpv2_mm_context_ue_net_cap_len, + {"Length of UE Network Capability", "gtpv2.mm_context_ue_net_cap_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_ms_net_cap_len, + {"Length of MS Network Capability", "gtpv2.mm_context_ms_net_cap_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_mei_len, + {"Length of Mobile Equipment Identity (MEI)", "gtpv2.mm_context_mei_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_contex_nhi_old, + { "Next Hop Indicator for old EPS Security Context", "gtpv2.mm_context_nhi_old", + FT_UINT8, BASE_DEC, NULL, 0x80, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_old_ksiasme, + { "old KSIASME", "gtpv2.old_ksiasme", + FT_UINT8, BASE_DEC, NULL, 0x38, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_old_ncc, + { "old NCC", "gtpv2.old_ncc", + FT_UINT8, BASE_DEC, NULL, 0x07, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_old_kasme, + { "Old Kasme", "gtpv2.mm_context_old_kasme", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_old_nh,{ "Old NH (Old Next Hop)", "gtpv2.mm_context.old_nh", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_mm_context_vdp_len, + { "Length of Voice Domain Preference and UE's Usage Setting", "gtpv2.mm_context.vdp_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_paging_len, + { "Length of UE Radio Capability for Paging information", "gtpv2.mm_context.paging_len", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_ex_access_res_data_len, + { "Length of Extended Access Restriction Data", "gtpv2.mm_context.ex_access_res_data_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_ue_add_sec_cap_len, + { "Length of UE additional security capability", "gtpv2.mm_context.ue_add_sec_cap_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_ue_nr_sec_cap_len, + { "Length of UE NR security capability", "gtpv2.mm_context.ue_nr_sec_cap_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_apn_rte_ctrl_sts_len, + { "Length of APN Rate Control Statuses", "gtpv2.mm_context.apn_rte_ctrl_sts_len", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_cnr_len, + { "Length of Core Network Restrictions", "gtpv2.mm_context.cnr_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_ue_radio_cap_len, + { "Length of UE Radio Capability ID", "gtpv2.mm_context.radio_cap_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_una, + { "UTRAN", "gtpv2.mm_context.una", + FT_BOOLEAN, 8, TFS(&tfs_not_allowed_allowed), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_gena, + { "GERAN", "gtpv2.mm_context.gena", + FT_BOOLEAN, 8, TFS(&tfs_not_allowed_allowed), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_gana, + { "GAN", "gtpv2.mm_context.gana", + FT_BOOLEAN, 8, TFS(&tfs_not_allowed_allowed), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ina, + { "I-HSPA-EVOLUTION", "gtpv2.mm_context.ina", + FT_BOOLEAN, 8, TFS(&tfs_not_allowed_allowed), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ena, + { "E-UTRAN", "gtpv2.mm_context.ena", + FT_BOOLEAN, 8, TFS(&tfs_not_allowed_allowed), 0x10, + NULL, HFILL } + }, + { &hf_gtpv2_hnna, + { "HO-toNone3GPP-Access", "gtpv2.mm_context.hnna", + FT_BOOLEAN, 8, TFS(&tfs_not_allowed_allowed), 0x20, + NULL, HFILL } + }, + { &hf_gtpv2_hbna, + { "NB-IoT Not Allowed", "gtpv2.mm_context.hbna", + FT_BOOLEAN, 8, TFS(&tfs_not_allowed_allowed), 0x40, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_ksi, + {"KSI", "gtpv2.mm_context_ksi", + FT_UINT8, BASE_DEC, NULL, 0x07, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_nr_qui, + {"Number of Quintuplets", "gtpv2.mm_context_nr_qui", + FT_UINT8, BASE_DEC, NULL, 0xe0, + NULL, HFILL} + }, + + { &hf_gtpv2_mm_context_nr_qua, + {"Number of Quadruplet", "gtpv2.mm_context_nr_qua", + FT_UINT8, BASE_DEC, NULL, 0x1c, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_uamb_ri, + {"UAMB RI", "gtpv2.mm_context_uamb_ri", + FT_BOOLEAN, 8, NULL, 0x02, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_osci, + {"OSCI", "gtpv2.mm_context_osci", + FT_BOOLEAN, 8, NULL, 0x01, + "Old Security Context Indicator", HFILL} + }, + { &hf_gtpv2_mm_context_nruna, + { "NRUNA (NR-U in 5GS Not Allowed)", "gtpv2.mm_context.nruna", + FT_BOOLEAN, 8, NULL, 0x10, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_nrusrna, + { "NRUSRNA (New Radio Unlicensed as Secondary RAT Not Allowed)", "gtpv2.mm_context.nrusrna", + FT_BOOLEAN, 8, NULL, 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_nrna, + { "NRNA(NR in 5GS Not Allowed)", "gtpv2.mm_context.nrna", + FT_BOOLEAN, 8, NULL, 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_ussrna, + {"USSRNA", "gtpv2.mm_context_ussrna", + FT_BOOLEAN, 8, NULL, 0x02, + "Unlicensed Spectrum in the form of LAA or LWA/LWIP as Secondary RAT Not Allowed", HFILL} + }, + { &hf_gtpv2_mm_context_nrsrna, + {"NRSRNA(NR as Secondary RAT Not Allowed)", "gtpv2.mm_context_nrsrna", + FT_BOOLEAN, 8, NULL, 0x01, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_ensct, + {"ENSCT (EPS NAS Security Context Type)", "gtpv2.mm_context_ensct", + FT_UINT8, BASE_DEC, VALS(gtpv2_mm_context_eps_nas_security_context_type_vals), 0x03, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_samb_ri, + {"SAMB RI", "gtpv2.mm_context_samb_ri", + FT_BOOLEAN, 8, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_ue_time_zone_dst, + {"Daylight Saving Time", "gtpv2.ue_time_zone_dst", + FT_UINT8, BASE_DEC, VALS(gtpv2_ue_time_zone_dst_vals), 0x03, + NULL, HFILL} + }, + { &hf_gtpv2_fq_csid_type, + {"Node-ID Type", "gtpv2.fq_csid_type", + FT_UINT8, BASE_DEC, NULL, 0xf0, + NULL, HFILL} + }, + { &hf_gtpv2_fq_csid_nr, + {"Number of CSIDs", "gtpv2.fq_csid_nr", + FT_UINT8, BASE_DEC, NULL, 0x0f, + NULL, HFILL} + }, + { &hf_gtpv2_fq_csid_ipv4, + {"Node-ID (IPv4)", "gtpv2.fq_csid_ipv4", + FT_IPv4, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_fq_csid_ipv6, + {"Node-ID (IPv6)", "gtpv2.fq_csid_ipv6", + FT_IPv6, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_fq_csid_id, + {"CSID", "gtpv2.fq_csid_id", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_complete_req_msg_type, + {"Complete Request Message Type", "gtpv2.complete_req_msg_type", + FT_UINT8, BASE_DEC, VALS(gtpv2_complete_req_msg_type_vals), 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_mme_grp_id, + {"MME Group ID", "gtpv2.mme_grp_id", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mme_code, + {"MME Code", "gtpv2.mme_code", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_m_tmsi, + {"M-TMSI", "gtpv2.m_tmsi", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_container_type, + {"Container Type", "gtpv2.container_type", + FT_UINT8, BASE_DEC, VALS(gtpv2_container_type_vals), 0x0f, + NULL, HFILL} + }, + { &hf_gtpv2_cause_type, + {"Cause Type", "gtpv2.cause_type", + FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_cause_type_vals_ext, 0x0f, + NULL, HFILL} + }, + { &hf_gtpv2_CauseRadioNetwork, + {"Radio Network Layer Cause", "gtpv2.CauseRadioNetwork", + FT_UINT8, BASE_DEC, VALS(s1ap_CauseRadioNetwork_vals), 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_CauseTransport, + {"Transport Layer Cause", "gtpv2.CauseTransport", + FT_UINT8, BASE_DEC, VALS(s1ap_CauseTransport_vals), 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_CauseNas, + {"NAS Cause", "gtpv2.CauseNas", + FT_UINT8, BASE_DEC, VALS(s1ap_CauseNas_vals), 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_CauseMisc, + {"Miscellaneous Cause", "gtpv2.CauseMisc", + FT_UINT8, BASE_DEC, VALS(s1ap_CauseMisc_vals), 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_target_type, + {"Target Type", "gtpv2.target_type", + FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_target_type_vals_ext, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_macro_enodeb_id, + {"Macro eNodeB ID", "gtpv2.macro_enodeb_id", + FT_UINT24, BASE_HEX, NULL, 0x0fffff, + NULL, HFILL} + }, + {&hf_gtpv2_smenb, + {"SMeNB", "gtpv2.smenb", + FT_BOOLEAN, 8, TFS(>pv2_smenb), 0x80, + NULL, HFILL} + }, + {&hf_gtpv2_ext_macro_enodeb_id, + {"Extended Macro eNodeB ID", "gtpv2.ext_macro_enodeb_id", + FT_UINT24, BASE_HEX, NULL, 0x1fffff, + NULL, HFILL} + }, + {&hf_gtpv2_ext_macro_ng_enodeb_id, + {"Extended Macro ng-eNodeB ID", "gtpv2.ext_macro_ng_enodeb_id", + FT_UINT24, BASE_HEX, NULL, 0x1fffff, + NULL, HFILL} + }, + {&hf_gtpv2_cellid, + {"CellId", "gtpv2.cellid", + FT_UINT32, BASE_DEC, NULL, 0xFF, + NULL, HFILL} + }, + { &hf_gtpv2_enodebid, + { "eNodeB Id", "gtpv2.enodebid", + FT_UINT32, BASE_DEC, NULL, 0x0FFFFF00, + NULL, HFILL } + }, + { &hf_gtpv2_CauseProtocol, + {"Protocol Cause", "gtpv2.CauseProtocol", + FT_UINT8, BASE_DEC, VALS(s1ap_CauseProtocol_vals), 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_apn_rest, + {"APN Restriction", "gtpv2.apn_rest", + FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_apn_restriction_vals_ext, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_selec_mode, + {"Selection Mode", "gtpv2.selec_mode", + FT_UINT8, BASE_DEC, VALS(gtpv2_selec_mode_vals), 0x03, + NULL, HFILL} + }, + { &hf_gtpv2_source_type, + {"Source Type", "gtpv2.source_type", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_bearer_control_mode, + {"Bearer Control Mode", "gtpv2.bearer_control_mode", + FT_UINT8, BASE_DEC, VALS(gtpv2_bearer_control_mode_vals), 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_cng_rep_act, + {"Change Reporting Action", "gtpv2.cng_rep_act", + FT_UINT8, BASE_DEC, VALS(gtpv2_cng_rep_act_vals), 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_node_type, + {"Node Type", "gtpv2.node_type", + FT_UINT8, BASE_DEC, VALS(gtpv2_node_type_vals), 0x0, + NULL, HFILL} + }, + {&hf_gtpv2_fqdn, + {"FQDN", "gtpv2.fqdn", + FT_STRING, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_enterprise_id, + {"Enterprise ID", "gtpv2.enterprise_id", + FT_UINT16, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_ti, + {"Transaction Identifier", "gtpv2.ti", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_bss_container_phx, + {"PHX", "gtpv2.bss_cont.phx", + FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x08, + NULL, HFILL} + }, + { &hf_gtpv2_bss_con_sapi_flg, + {"SAPI", "gtpv2.bss_cont.sapi_flg", + FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x04, + NULL, HFILL} + }, + { &hf_gtpv2_bss_con_rp_flg, + {"RP", "gtpv2.bss_cont.rp_flg", + FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02, + NULL, HFILL} + }, + { &hf_gtpv2_bss_con_pfi_flg, + {"PFI", "gtpv2.bss_cont.pfi_flg", + FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01, + NULL, HFILL} + }, + { &hf_gtpv2_bss_con_pfi, + {"Packet Flow ID(PFI)", "gtpv2.bss_cont.pfi", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_bss_con_rp, + {"Radio Priority(RP)", "gtpv2.bss_cont.rp", + FT_UINT8, BASE_DEC, NULL, 0x07, + NULL, HFILL} + }, + { &hf_gtpv2_bss_con_sapi, + {"SAPI", "gtpv2.bss_cont.sapi", + FT_UINT8, BASE_DEC, NULL, 0xf0, + NULL, HFILL} + }, + { &hf_gtpv2_bss_con_xid_len, + {"XiD parameters length", "gtpv2.bss_cont.xid_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_bss_con_xid, + {"XiD parameters", "gtpv2.bss_cont.xid", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_home_enodeb_id, + {"Home eNodeB ID", "gtpv2.home_enodeb_id", + FT_UINT32, BASE_HEX, NULL, 0x0fffffff, + NULL, HFILL} + }, + { &hf_gtpv2_tac, + {"Tracking Area Code (TAC)", "gtpv2.tac", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mbms_service_area_nr, + {"Number of MBMS Service Area codes", "gtpv2.mbms_service_area_nr", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mbms_service_area_id, + {"MBMS Service Area code (Service Area Identity)", "gtpv2.mbms_service_area_id", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mbms_session_id, + {"MBMS Session Identifier", "gtpv2.mbms_session_id", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mbms_flow_id, + {"MBMS Flow Identifier", "gtpv2.mbms_flow_id", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_cteid, + {"Common Tunnel Endpoint Identifier", "gtpv2.cetid", + FT_UINT32, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_ip_addr_type, + {"IP Address Type", "gtpv2.ip_addr_type", + FT_UINT8, BASE_DEC, NULL, 0xc0, + NULL, HFILL} + }, + { &hf_gtpv2_ip_addr_len, + {"IP Address Length", "gtpv2.ip_addr_len", + FT_UINT8, BASE_DEC, NULL, 0x3f, + NULL, HFILL} + }, + { &hf_gtpv2_mbms_ip_mc_dist_addrv4, + {"MBMS IP Multicast Distribution Address (IPv4)", "gtpv2.mbms_ip_mc_dist_addrv4", + FT_IPv4, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mbms_ip_mc_dist_addrv6, + {"MBMS IP Multicast Distribution Address (IPv6)", "gtpv2.mbms_ip_mc_dist_addrv6", + FT_IPv6, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mbms_ip_mc_src_addrv4, + {"MBMS IP Multicast Source Address (IPv4)", "gtpv2.mbms_ip_mc_src_addrv4", + FT_IPv4, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mbms_ip_mc_src_addrv6, + {"MBMS IP Multicast Source Address (IPv6)", "gtpv2.mbms_ip_mc_src_addrv6", + FT_IPv6, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mbms_hc_indicator, + {"MBMS HC Indicator", "gtpv2.mbms_hc_indicator", + FT_UINT8, BASE_DEC, VALS(gtpv2_mbms_hc_indicator_vals), 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mbms_dist_indication, + {"MBMS Distribution Indication", "gtpv2.mbms_dist_indication", + FT_UINT8, BASE_DEC, VALS(gtpv2_mbms_dist_indication_vals), 0x03, + NULL, HFILL} + }, + { &hf_gtpv2_subscriber_rfsp, + {"Subscribed RFSP Index", "gtpv2.subscriber_rfsp", + FT_INT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_rfsp_inuse, + {"RFSP Index in Use", "gtpv2.rfsp_inuse", + FT_INT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mbms_service_id, + {"MBMS Service ID", "gtpv2.mbms_service_id", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_add_flags_for_srvcc_ics, + {"ICS (IMS Centralized Service)", "gtpv2.add_flags_for_srvcc_ics", + FT_BOOLEAN, 8, NULL, 0x01, + NULL, HFILL} + }, + { &hf_gtpv2_vsrvcc_flag, + {"VF (vSRVCC Flag)", "gtpv2.vsrvcc_flag", + FT_BOOLEAN, 8, NULL, 0x02, + NULL, HFILL} + }, + { &hf_gtpv2_henb_info_report_fti, + {"FTI", "gtpv2.henb_info_report_fti", + FT_BOOLEAN, 8, TFS(>pv2_henb_info_report_fti_vals), 0x01, + NULL, HFILL} + }, + { &hf_gtpv2_ip4cp_subnet_prefix_len, + {"Subnet Prefix Length", "gtpv2.ip4cp_subnet_prefix_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_ip4cp_ipv4, + {"IPv4 Default Router Address", "gtpv2.ip4cp_ipv4", + FT_IPv4, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_change_report_flags_sncr, + {"SNCR (Service Network Change to Report)", "gtpv2.change_report_flags_sncr", + FT_BOOLEAN, 8, NULL, 0x01, + NULL, HFILL} + }, + { &hf_gtpv2_change_report_flags_tzcr, + {"TZCR (Time Zone Change to Report)", "gtpv2.change_report_flags_tzcr", + FT_BOOLEAN, 8, NULL, 0x02, + NULL, HFILL} + }, + {&hf_gtpv2_action_indication_val, + {"Action Indication", "gtpv2.action_indication_val", + FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_action_indication_vals_ext, 0x07, + NULL , HFILL} + }, + { &hf_gtpv2_uli_timestamp, + { "ULI Timestamp", "gtpv2.uli_timestamp", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_NTP_UTC, NULL, 0, + NULL, HFILL } + }, + { &hf_gtpv2_abs_time_mbms_data, + { "Absolute Time of MBMS Data Transfer", "gtpv2.abs_time_mbms_data", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_NTP_UTC, NULL, 0, + NULL, HFILL } + }, + { &hf_gtpv2_mbms_session_duration_days, + {"MBMS Session Duration (days)", "gtpv2.mbms_session_duration_days", + FT_UINT24, BASE_DEC, NULL, 0x00007F, + NULL, HFILL} + }, + { &hf_gtpv2_mbms_session_duration_secs, + {"MBMS Session Duration (seconds)", "gtpv2.mbms_session_duration_secs", + FT_UINT24, BASE_DEC, NULL, 0xFFFF80, + NULL, HFILL} + }, + { &hf_gtpv2_csg_id, + {"CSG ID", "gtpv2.csg_id", + FT_UINT32, BASE_HEX, NULL, 0x07ffffff, + NULL, HFILL} + }, + { &hf_gtpv2_cmi, + {"CSG Membership Indication (CMI)", "gtpv2.cmi", + FT_BOOLEAN, 8, TFS(&tfs_no_yes), 0x01, + NULL, HFILL} + }, + { &hf_gtpv2_service_indicator, + {"Service Indicator", "gtpv2.service_indicator", + FT_UINT8, BASE_DEC, VALS(gtpv2_service_indicator_vals), 0, + NULL, HFILL} + }, + { &hf_gtpv2_detach_type, + {"Detach Type", "gtpv2.detach_type", + FT_UINT8, BASE_DEC, VALS(gtpv2_detach_type_vals), 0, + NULL, HFILL} + }, + { &hf_gtpv2_ldn, + {"Local Distinguished Name (LDN)", "gtpv2.ldn", + FT_STRING, BASE_NONE, NULL, 0, + NULL, HFILL} + }, + { &hf_gtpv2_node_features_prn, + {"PGW Restart Notification (PRN)", "gtpv2.node_features_prn", + FT_BOOLEAN, 8, TFS(&tfs_enabled_disabled), 0x01, + NULL, HFILL} + }, + { &hf_gtpv2_node_features_mabr, + {"Modify Access Bearers Request (MABR)", "gtpv2.node_features_mabr", + FT_BOOLEAN, 8, TFS(&tfs_enabled_disabled), 0x02, + NULL, HFILL} + }, + { &hf_gtpv2_node_features_ntsr, + {"Network Triggered Service Restoration (NTSR)", "gtpv2.node_features_ntsr", + FT_BOOLEAN, 8, TFS(&tfs_enabled_disabled), 0x04, + NULL, HFILL} + }, + { &hf_gtpv2_node_features_ciot, + {"Cellular Internet Of Things (CIOT)", "gtpv2.node_features_ciot", + FT_BOOLEAN, 8, TFS(&tfs_enabled_disabled), 0x08, + NULL, HFILL} + }, + { &hf_gtpv2_time_to_data_xfer, + {"MBMS Time to Data Transfer", "gtpv2.time_to_data_xfer", + FT_STRING, BASE_NONE, NULL, 0, + NULL, HFILL} + }, + { &hf_gtpv2_arp_pvi, + {"Pre-emption Vulnerability (PVI)", "gtpv2.arp_pvi", + FT_BOOLEAN, 8, TFS(&tfs_disabled_enabled), 0x01, + NULL, HFILL} + }, + { &hf_gtpv2_arp_pl, + {"Priority Level", "gtpv2.arp_pl", + FT_UINT8, BASE_DEC, NULL, 0x3c, + NULL, HFILL} + }, + { &hf_gtpv2_arp_pci, + {"Pre-emption Capability (PCI)", "gtpv2.arp_pci", + FT_BOOLEAN, 8, TFS(&tfs_disabled_enabled), 0x40, + NULL, HFILL} + }, + { &hf_gtpv2_timer_unit, + {"Timer unit", "gtpv2.timer_unit", + FT_UINT8, BASE_DEC, VALS(gtpv2_timer_unit_vals), 0xe0, + NULL, HFILL} + }, + { &hf_gtpv2_throttling_delay_unit, + {"Throttling Delay unit", "gtpv2.throttling_delay_unit", + FT_UINT8, BASE_DEC, VALS(gtpv2_throttling_delay_unit_vals), 0xe0, + NULL, HFILL } + }, + { &hf_gtpv2_timer_value, + {"Timer value", "gtpv2.timer_value", + FT_UINT8, BASE_DEC, NULL, 0x1f, + NULL, HFILL} + }, + { &hf_gtpv2_throttling_delay_value, + {"Throttling Delay value", "gtpv2.throttling_delay_value", + FT_UINT8, BASE_DEC, NULL, 0x1f, + NULL, HFILL } + }, + { &hf_gtpv2_lapi, + {"LAPI (Low Access Priority Indication)", "gtpv2.lapi", + FT_BOOLEAN, 8, NULL, 0x01, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_higher_br_16mb_flg_len, + {"Length of Higher bitrates than 16 Mbps flag", "gtpv2.mm_context_higher_br_16mb_flg_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mm_context_higher_br_16mb_flg, + {"Higher bitrates than 16 Mbps flag", "gtpv2.mm_context_higher_br_16mb_flg", + FT_UINT8, BASE_DEC, VALS(gtpv2_mm_context_higher_br_16mb_flg_vals), 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mmbr_ul, + {"Max MBR/APN-AMBR for uplink", "gtpv2.mmbr_ul", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_mmbr_dl, + {"Max MBR/APN-AMBR for downlink", "gtpv2.mmbr_dl", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_act_inapra, + {"INAPRA", "gtpv2.pres_rep_area_action.inapra", + FT_UINT8, BASE_DEC, NULL, 0x08, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_action, + {"Action", "gtpv2.pres_rep_area_action.action", + FT_UINT8, BASE_DEC, VALS(gtpv2_pres_rep_area_action_vals), 0x03, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_id, + {"Presence Reporting Area Identifier", "gtpv2.pres_rep_area_action.pres_rep_area_id", + FT_UINT24, BASE_HEX, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_act_no_tai, + {"Number of TAI", "gtpv2.pres_rep_area_action.no_tai", + FT_UINT8, BASE_DEC, NULL, 0xf0, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_act_no_rai, + {"Number of RAI", "gtpv2.pres_rep_area_action.no_rai", + FT_UINT8, BASE_DEC, NULL, 0x0f, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_act_no_m_enodeb, + {"Number of Macro eNodeB", "gtpv2.pres_rep_area_action.no_m_enodeb", + FT_UINT8, BASE_DEC, NULL, 0x3f, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_act_no_h_enodeb, + {"Number of Home eNodeB", "gtpv2.pres_rep_area_action.no_h_enodeb", + FT_UINT8, BASE_DEC, NULL, 0x3f, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_act_no_ecgi, + {"Number of ECGI", "gtpv2.pres_rep_area_action.no_ecgi", + FT_UINT8, BASE_DEC, NULL, 0x3f, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_act_no_sai, + {"Number of SAI", "gtpv2.pres_rep_area_action.no_sai", + FT_UINT8, BASE_DEC, NULL, 0x3f, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_act_no_cgi, + {"Number of CGI", "gtpv2.pres_rep_area_action.no_cgi", + FT_UINT8, BASE_DEC, NULL, 0x3f, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_act_no_ext_m_enodeb, + {"Number of Extended Macro eNodeB", "gtpv2.pres_rep_area_action.no_ext_m_enodeb", + FT_UINT8, BASE_DEC, NULL, 0x3f, + NULL, HFILL} + }, + { &hf_gtpv2_ksi_ps, + { "KSI'ps", "gtpv2.ksi_ps", + FT_UINT8, BASE_HEX, NULL, 0x0f, + NULL, HFILL } + }, + { &hf_gtpv2_ck_ps, + { "CK'ps", "gtpv2.ck_ps", + FT_BYTES, BASE_NONE, NULL, 0, + NULL, HFILL } + }, + { &hf_gtpv2_ik_ps, + { "IK'ps", "gtpv2.ik_ps", + FT_BYTES, BASE_NONE, NULL, 0, + NULL, HFILL } + }, + { &hf_gtpv2_kc_ps, + { "KC'ps", "gtpv2.kc_ps", + FT_BYTES, BASE_NONE, NULL, 0, + NULL, HFILL } + }, + { &hf_gtpv2_cksn_ps, + { "CKSN'ps", "gtpv2.cksn_ps", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_pres_rep_area_info_id, + {"Presence Reporting Area Identifier", "gtpv2.pres_rep_area_info_id", + FT_UINT24, BASE_HEX, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_info_additional_id, + {"Additional Presence Reporting Area Identifier", "gtpv2.pres_rep_area_info_additional_id", + FT_UINT24, BASE_HEX, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_info_flags, + {"Flags", "gtpv2.pres_rep_area_info_flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_info_flags_no_inapra, + {"Flags", "gtpv2.pres_rep_area_info_flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_info_flags_b0_ipra, + {"Inside Presence Reporting Area(IPRA)", "gtpv2.pres_rep_area_info_flag_ipra", + FT_BOOLEAN, 8, NULL, 0x01, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_info_flags_b1_opra, + {"Outside Presence Reporting Area(OPRA)", "gtpv2.pres_rep_area_info_flag_opra", + FT_BOOLEAN, 8, NULL, 0x02, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_info_flags_b2_apra, + {"Additional Presence Reporting Area(APRA)", "gtpv2.pres_rep_area_info_flag_apra", + FT_BOOLEAN, 8, NULL, 0x04, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_info_flags_b3_inapra, + {"Inactive Presence Reporting Area(INAPRA)", "gtpv2.pres_rep_area_info_flag_inapra", + FT_BOOLEAN, 8, NULL, 0x08, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_info_flags_b3_b7_spare, + {"Spare", "gtpv2.pres_rep_area_info_spare", + FT_UINT8, BASE_HEX, NULL, 0xF8, + NULL, HFILL} + }, + { &hf_gtpv2_pres_rep_area_info_flags_b4_b7_spare, + {"Spare", "gtpv2.pres_rep_area_info_spare", + FT_UINT8, BASE_HEX, NULL, 0xF0, + NULL, HFILL} + }, + { &hf_gtpv2_ppi_value, + {"Paging and Policy Information Value", "gtpv2.ppi_value", + FT_UINT8, BASE_DEC | BASE_EXT_STRING, + &dscp_vals_ext, GTPV2_PPI_VAL_MASK, NULL, HFILL} + }, + { &hf_gtpv2_ppi_flag, + {"Paging Policy Indication", "gtpv2.ppi_flag", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_session, + { "Session", "gtpv2.session", + FT_UINT32, BASE_DEC, NULL, 0, + NULL, HFILL } + }, + + /* Generated from convert_proto_tree_add_text.pl */ + { &hf_gtpv2_transparent_container, { "Transparent Container", "gtpv2.transparent_container", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_cksrvcc, { "CKsrvcc", "gtpv2.cksrvcc", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_iksrvcc, { "IKsrvcc", "gtpv2.iksrvcc", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_mobile_station_classmark2, { "Mobile Station Classmark2", "gtpv2.mobile_station_classmark2", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_mobile_station_classmark3, { "Mobile Station Classmark3", "gtpv2.mobile_station_classmark3", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_supported_codec_list, { "Supported Codec List", "gtpv2.supported_codec_list", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_utran_srvcc_ck_cs, { "CK'cs", "gtpv2.utran_srvcc.ck_cs", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_utran_srvcc_ik_cs, { "IK'cs", "gtpv2.utran_srvcc.ik_cs", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_utran_srvcc_kc, { "Kc'", "gtpv2.utran_srvcc.kc", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_teid_c_spare, { "Spare", "gtpv2.teid_c.spare", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_geographic_location, { "Geographic Location", "gtpv2.geographic_location", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_tmsi_bytes, { "TMSI", "gtpv2.tmsi_bytes", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_cn_id, { "CN-Id", "gtpv2.cn_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_eps_bearer_id_number, { "EPS Bearer ID Number", "gtpv2.eps_bearer_id_number", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_serving_gw_address_length, { "Serving GW Address Length", "gtpv2.serving_gw_address_length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_charging_characteristic_remaining_octets, { "Remaining octets", "gtpv2.charging_characteristic.remaining_octets", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_trace_id, { "Trace ID", "gtpv2.trace_id", FT_UINT24, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_drx_parameter, { "DRX parameter", "gtpv2.drx_parameter", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_mm_context_sres, { "SRES'", "gtpv2.mm_context_sres", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_mm_context_kc, { "Kc'", "gtpv2.mm_context_kc", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_uplink_subscribed_ue_ambr, { "Uplink Subscribed UE AMBR", "gtpv2.uplink_subscribed_ue_ambr", FT_UINT32, BASE_DEC|BASE_UNIT_STRING, &units_kbps, 0x0, NULL, HFILL }}, + { &hf_gtpv2_downlink_subscribed_ue_ambr, { "Downlink Subscribed UE AMBR", "gtpv2.downlink_subscribed_ue_ambr", FT_UINT32, BASE_DEC|BASE_UNIT_STRING, &units_kbps, 0x0, NULL, HFILL }}, + { &hf_gtpv2_uplink_used_ue_ambr, { "Uplink Used UE AMBR", "gtpv2.uplink_used_ue_ambr", FT_UINT32, BASE_DEC|BASE_UNIT_STRING, &units_kbps, 0x0, NULL, HFILL }}, + { &hf_gtpv2_downlink_used_ue_ambr, { "Downlink Used UE AMBR", "gtpv2.downlink_used_ue_ambr", FT_UINT32, BASE_DEC|BASE_UNIT_STRING, &units_kbps, 0x0, NULL, HFILL }}, + { &hf_gtpv2_voice_domain_and_ue_usage_setting, { "Voice Domain Preference and UE's Usage Setting", "gtpv2.voice_domain_and_ue_usage_setting", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_ue_radio_capability_for_paging_information,{ "UE Radio Capability for Paging information", "gtpv2.UE_Radio_Capability_for_Paging_information", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_authentication_quadruplets, { "Authentication Quadruplets", "gtpv2.authentication_quadruplets", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_authentication_quintuplets, { "Authentication Quintuplets", "gtpv2.authentication_quintuplets", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_mm_context_nh, { "NH (Next Hop)", "gtpv2.mm_context_nh", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_mm_context_ncc, { "NCC (Next Hop Chaining Count)", "gtpv2.mm_context_ncc", FT_UINT8, BASE_DEC, NULL, 0x0F, NULL, HFILL }}, + { &hf_gtpv2_nsapi08, { "NSAPI", "gtpv2.nsapi", FT_UINT8, BASE_DEC, NULL, 0x08, NULL, HFILL }}, + { &hf_gtpv2_dl_gtp_u_sequence_number, { "DL GTP-U Sequence Number", "gtpv2.dl_gtp_u_sequence_number", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_ul_gtp_u_sequence_number, { "UL GTP-U Sequence Number", "gtpv2.ul_gtp_u_sequence_number", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_send_n_pdu_number, { "Send N-PDU Number", "gtpv2.send_n_pdu_number", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_receive_n_pdu_number, { "Receive N-PDU Number", "gtpv2.receive_n_pdu_number", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_hop_counter, { "Hop Counter", "gtpv2.hop_counter", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_packet_flow_id, { "Packet Flow ID", "gtpv2.packet_flow_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_rrc_container, { "RRC Container", "gtpv2.rrc_container", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_upd_source_port_number, { "UPD Source Port Number", "gtpv2.upd_source_port_number", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_proprietary_value, { "Proprietary value", "gtpv2.proprietary_value", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_spare_bytes, { "Spare", "gtpv2.spare_bytes", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_dl_pdcp_sequence_number, { "DL PDCP Sequence Number", "gtpv2.dl_pdcp_sequence_number", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_ul_pdcp_sequence_number, { "UL PDCP Sequence Number", "gtpv2.ul_pdcp_sequence_number", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + { &hf_gtpv2_fq_csid_node_id, { "Node-ID", "gtpv2.fq_csid_node_id", FT_UINT32, BASE_DEC, NULL, 0x00000FFF, NULL, HFILL }}, + { &hf_gtpv2_fq_csid_mcc_mnc, { "MCC+MNC", "gtpv2.fq_csid_mcc_mnc", FT_UINT32, BASE_DEC, NULL, 0xFFFFF000, NULL, HFILL }}, + + { &hf_gtpv2_twan_id_ts, { "TWAN Identifier Timestamp", "gtpv2.twan.id_ts", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_NTP_UTC, NULL, 0, NULL, HFILL } }, + { &hf_gtpv2_twan_flags,{ "Flags", "gtpv2.twan_id.flags", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_bssidi,{ "BSSIDI", "gtpv2.twan_id.bssidi", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01, NULL, HFILL } }, + { &hf_gtpv2_twan_civai,{ "CIVAI", "gtpv2.twan_id.civai", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02, NULL, HFILL } }, + { &hf_gtpv2_twan_plmni,{ "PLMNI", "gtpv2.twan_id.plmni", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x04, NULL, HFILL } }, + { &hf_gtpv2_twan_opnai,{ "OPNAI", "gtpv2.twan_id.opnai", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x08, NULL, HFILL } }, + { &hf_gtpv2_twan_laii,{ "LAII", "gtpv2.twan_id.laii", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x10, NULL, HFILL } }, + { &hf_gtpv2_twan_ssid_len,{ "SSID Length", "gtpv2.twan_id.ssid_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_ssid,{ "SSID", "gtpv2.twan_id.ssid", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_bssid,{ "BSSID", "gtpv2.twan_id.bssid", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_civa_len,{ "Civic Address Length", "gtpv2.twan_id.civa_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_civa,{ "Civic Address Information", "gtpv2.twan_id.civa", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_plmnid,{ "TWAN PLMN-ID", "gtpv2.twan_id.plmnid", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_op_name_len,{ "TWAN Operator Name Length", "gtpv2.twan_id.op_name_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_op_name,{ "TWAN Operator Name", "gtpv2.twan_id.op_name", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_relay_id_type,{ "Relay Identity Type", "gtpv2.twan_id.relay_id_type", FT_UINT8, BASE_DEC, VALS(gtpv2_twan_relay_id_type_vals), 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_relay_id_len,{ "Relay Identity Type Length", "gtpv2.twan_id.relay_id_type_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_relay_id,{ "Relay Identity", "gtpv2.twan_id.relay_id", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_relay_id_ipv4,{ "Relay Identity", "gtpv2.twan_id.relay_id_ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_relay_id_ipv6,{ "Relay Identity", "gtpv2.twan_id.relay_id_ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_circuit_id_len,{ "Relay Identity Type Length", "gtpv2.twan_id.relay_id_type_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_twan_circuit_id,{ "Circuit-ID", "gtpv2.twan_id.circuit_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_integer_number_val,{ "Value", "gtpv2.integer_number_val", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_maximum_wait_time,{ "Maximum Wait Time", "gtpv2.maximum_wait_time", FT_UINT32, BASE_DEC | BASE_UNIT_STRING, &units_milliseconds, 0x0, NULL, HFILL } }, + { &hf_gtpv2_dl_buf_sug_pkt_cnt,{ "DL Buffering Suggested Packet Count", "gtpv2.dl_buf_sug_pkt_cnt", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_ue_usage_type,{ "UE Usage Type", "gtpv2.ue_usage_type", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_rem_run_serv_gap_t,{ "Remaining Running Service Gap Timer", "gtpv2.rem_run_serv_gap_t", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_ran_nas_protocol_type, {"RAN/NAS Protocol Type", "gtpv2.ran_nas.protocol_type", FT_UINT8, BASE_DEC, VALS(ran_nas_prot_type_vals), 0xF0, NULL, HFILL} }, + { &hf_gtpv2_ran_nas_cause_type, {"RAN/NAS S1AP Cause Type", "gtpv2.ran_nas.s1ap_type", FT_UINT8, BASE_DEC, VALS(s1ap_Cause_vals), 0x0F, NULL, HFILL} }, + { &hf_gtpv2_ran_nas_cause_value, {"RAN/NAS Cause Value", "gtpv2.ran_nas.cause_value", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} }, + { &hf_gtpv2_emm_cause, {"EMM Cause Value", "gtpv2.ran_nas.emm_cause", FT_UINT8, BASE_DEC, VALS(nas_eps_emm_cause_values), 0x0, NULL, HFILL} }, + { &hf_gtpv2_esm_cause, {"ESM Cause Value", "gtpv2.ran_nas.esm_cause", FT_UINT8, BASE_DEC, VALS(nas_eps_esm_cause_vals), 0x0, NULL, HFILL} }, + { &hf_gtpv2_diameter_cause, {"Diameter Cause Value", "gtpv2.ran_nas.diameter_cause", FT_UINT16, BASE_DEC, VALS(diameter_3gpp_termination_cause_vals), 0x0, NULL, HFILL} }, + { &hf_gtpv2_ikev2_cause, {"IKEv2 Cause Value", "gtpv2.ran_nas.ikev2_cause", FT_UINT16, BASE_DEC, VALS(diameter_3gpp_IKEv2_error_type_vals), 0x0, NULL, HFILL} }, + { &hf_gtpv2_ciot_support_ind,{ "CIoT Optimizations Support Indication", "gtpv2.ciot_support_ind", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, + { &hf_gtpv2_ciot_support_ind_spare_bits, + { "Spare", "gtpv2.ciot_support_ind.spare_bits", + FT_UINT8, BASE_HEX, NULL, 0xF0, + NULL, HFILL } + }, + { &hf_gtpv2_ciot_support_ind_bit4, + { "IHCSI (IP Header Compression Support)", "gtpv2.ciot_support_ind.ihcsi", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ciot_support_ind_bit3, + { "AWOPDN (Attach without PDN Support)", "gtpv2.ciot_support_ind.awopdn", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ciot_support_ind_bit2, + { "SCNIPDN (SCEF Non-IP PDN Support)", "gtpv2.ciot_support_ind.scnipdn", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ciot_support_ind_bit1, + { "SGNIPDN (SGi Non-IP PDN Support)", "gtpv2.ciot_support_ind.sgnipdn", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_length_of_node_name, + { "Length of Node Name", "gtpv2.length_of_node_name", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_length_of_node_realm, + { "Length of Node Realm", "gtpv2.length_of_node_realm", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_node_name, + { "Node Name", "gtpv2.node_name", + FT_STRING, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_node_realm, + { "Node Realm", "gtpv2.node_realm", + FT_STRING, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_ms_ts, + { "Millisecond Time Stamp", "gtpv2.ms_ts", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_origination_ts, + { "Origination Time Stamp", "gtpv2.origination_ts", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mon_event_inf_nsur, + { "NSUR (Notify SCEF when UE becomes Reachable)", "gtpv2.mon_event_inf.nsur", + FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x10, + NULL, HFILL } + }, + { &hf_gtpv2_mon_event_inf_nsui, + { "NSUI (Notify SCEF when UE becomes Idle)", "gtpv2.mon_event_inf.nsui", + FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x20, + NULL, HFILL } + }, + { &hf_gtpv2_mon_event_inf_nscf, + { "NSCF (Notify SCEF about Communication Failure events)", "gtpv2.mon_event_inf.nscf", + FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x40, + NULL, HFILL } + }, + { &hf_gtpv2_mon_event_inf_scef_reference_id, + { "SCEF Reference ID", "gtpv2.mon_event_inf.scef_reference_id", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mon_event_inf_scef_id_length, + { "SCEF ID length", "gtpv2.mon_event_inf.scef_id_length", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mon_event_inf_scef_id, + { "SCEF ID", "gtpv2.mon_event_inf.scef_id", + FT_STRING, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mon_event_inf_remaining_number_of_reports, + { "Remaining Number of Reports", "gtpv2.mon_event_inf.remaining_number_of_reports", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mon_event_ext_inf_lrtp, + { "LRTP (Remaining Minimum Periodic Location Reporting Time Present)", "gtpv2.mon_event_ext_inf.lrtp", + FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_mon_event_ext_inf_scef_reference_id, + { "SCEF Reference ID", "gtpv2.mon_event_ext_inf.scef_reference_id", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mon_event_ext_inf_scef_id_length, + { "SCEF ID length", "gtpv2.mon_event_ext_inf.scef_id_length", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mon_event_ext_inf_scef_id, + { "SCEF ID", "gtpv2.mon_event_ext_inf.scef_id", + FT_STRING, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mon_event_ext_inf_remain_min_period_loc_report_type, + { "Remaining Minimum Periodic Location Reporting Time", "gtpv2.mon_event_ext_inf.remain_min_period_loc_report_type", + FT_UINT32, BASE_DEC|BASE_UNIT_STRING, &units_seconds, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_rohc_profile_flags, + { "ROHC Profiles flags", "gtpv2.rohc_profile_flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_rohc_profiles_bit0, + { "Profile Identifier: 0x0002, UDP/IP", "gtpv2.rohc_profiles.b0", + FT_BOOLEAN, 8, TFS(&tfs_allowed_not_allowed), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_rohc_profiles_bit1, + { "Profile Identifier: 0x0003, ESP/IP", "gtpv2.rohc_profiles.b1", + FT_BOOLEAN, 8, TFS(&tfs_allowed_not_allowed), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_rohc_profiles_bit2, + { "Profile Identifier: 0x0004, IP", "gtpv2.rohc_profiles.b2", + FT_BOOLEAN, 8, TFS(&tfs_allowed_not_allowed), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_rohc_profiles_bit3, + { "Profile Identifier: 0x0006, TCP/IP", "gtpv2.rohc_profiles.b3", + FT_BOOLEAN, 8, TFS(&tfs_allowed_not_allowed), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_rohc_profiles_bit4, + { "Profile Identifier: 0x0102, UDP/IP", "gtpv2.rohc_profiles.b4", + FT_BOOLEAN, 8, TFS(&tfs_allowed_not_allowed), 0x10, + NULL, HFILL } + }, + { &hf_gtpv2_rohc_profiles_bit5, + { "Profile Identifier: 0x0103, ESP/IP", "gtpv2.rohc_profiles.b5", + FT_BOOLEAN, 8, TFS(&tfs_allowed_not_allowed), 0x20, + NULL, HFILL } + }, + { &hf_gtpv2_rohc_profiles_bit6, + { "Profile Identifier: 0x0104, IP", "gtpv2.rohc_profiles.b6", + FT_BOOLEAN, 8, TFS(&tfs_allowed_not_allowed), 0x40, + NULL, HFILL } + }, + { &hf_gtpv2_rohc_profiles_bit7, + { "Spare", "gtpv2.rohc_profiles.b7", + FT_BOOLEAN, 8, NULL, 0x80, + NULL, HFILL } + }, + { &hf_gtpv2_max_cid, + { "MAX_CID", "gtpv2.max_cid", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_uplink_rate_limit, + { "Uplink Rate Limit", "gtpv2.uplink_rate_limit", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_downlink_rate_limit, + { "Downlink Rate Limit", "gtpv2.downlink_rate_limit", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_timestamp_value, + { "Timestamp value", "gtpv2.timestamp_value", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_NTP_UTC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_counter_value, + { "Counter value", "gtpv2.counter_value", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mapped_ue_usage_type, + { "Mapped UE usage type", "gtpv2.mapped_ue_usage_type", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_uli_flags, + { "ULI Flags", "gtpv2.uli_flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_dcnr, + { "DCNR (Dual connectivity with NR)", "gtpv2.dcnr", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_secondary_rat_usage_data_report, + { "Secondary RAT Usage Data Report", "gtpv2.secondary_rat_usage_data_report", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_secondary_rat_usage_data_report_spare_bits, + { "Spare", "gtpv2.secondary_rat_usage_data_report.spare_bits", + FT_UINT8, BASE_HEX, NULL, 0xF8, + NULL, HFILL } + }, + { &hf_gtpv2_secondary_rat_usage_data_report_bit3, + { "SRUDN (Secondary RAT Usage Report from NG-RAN)", "gtpv2.secondary_rat_usage_data_report.srudn", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_secondary_rat_usage_data_report_bit2, + { "IRSGW (Intended Receiver SGW)", "gtpv2.secondary_rat_usage_data_report.irsgw", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_secondary_rat_usage_data_report_bit1, + { "IRPGW (Intended Receiver PGW)", "gtpv2.secondary_rat_usage_data_report.irpgw", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_secondary_rat_usage_data_report_rat_type, + {"RAT Type", "gtpv2.secondary_rat_usage_data_report.rat_type", + FT_UINT8, BASE_DEC, VALS(gtpv2_secondary_rat_type_vals), 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_secondary_rat_usage_data_report_start_timestamp, + { "Start timestamp", "gtpv2.secondary_rat_usage_data_report.start_timestamp", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_NTP_UTC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_secondary_rat_usage_data_report_end_timestamp, + { "End timestamp", "gtpv2.secondary_rat_usage_data_report.end_timestamp", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_NTP_UTC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_secondary_rat_usage_data_report_usage_data_dl, + { "Usage Data DL", "gtpv2.secondary_rat_usage_data_report.usage_data_dl", + FT_UINT64, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_secondary_rat_usage_data_report_usage_data_ul, + { "Usage Data UL", "gtpv2.secondary_rat_usage_data_report.usage_data_ul", + FT_UINT64, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_secondary_rat_usage_data_report_srudn_length, + { "SRUDN length", "gtpv2.mon_event_inf.srudn_length", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_secondary_rat_usage_data_report_srudn_value, + { "SecondaryRATDataUsageReportTransfer", "gtpv2.mon_event_inf.srudn_value", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_csg_info_rep_action_b0, + { "UCICSG", "gtpv2.csg_info_rep_action.ucicsg", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_csg_info_rep_action_b1, + { "UCISHC", "gtpv2.csg_info_rep_action.ucishc", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_csg_info_rep_action_b2, + { "UCIUHC", "gtpv2.csg_info_rep_action.uciuhc", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_gnodeb_id_len, + {"gNodeB ID Length", "gtpv2.gnodeb_id_len", + FT_UINT8, BASE_DEC, NULL, 0x3f, + NULL, HFILL} + }, + { &hf_gtpv2_gnodeb_id, + { "gNodeB ID", "gtpv2.gnodeb_id", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_macro_ng_enodeb_id, + { "Macro ng-eNodeB ID", "gtpv2.ng_enodeb_id", + FT_UINT24, BASE_DEC, NULL, 0x0fffff, + NULL, HFILL } + }, + { &hf_gtpv2_5gs_tac, + { "5GS Tracking Area Code (TAC)", "gtpv2.5gs_tac", + FT_UINT24, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_en_gnb_id_len, + {"en-gNB ID Length", "gtpv2.en_gnb_id_len", + FT_UINT8, BASE_DEC, NULL, 0x3f, + NULL, HFILL} + }, + { &hf_gtpv2_5tac, + { "5TAC", "gtpv2.5tac", + FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x80, + NULL, HFILL } + }, + { &hf_gtpv2_etac, + { "ETAC", "gtpv2.etac", + FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x40, + NULL, HFILL } + }, + { &hf_gtpv2_en_gnb_id, + { "gNodeB ID", "gtpv2.en_gnb_id", + FT_UINT32, BASE_DEC, NULL,0x0, + NULL, HFILL } + }, + { &hf_gtpv2_trig_event_len, + { "Length of Triggering Events", "gtpv2.trig_event_len", + FT_UINT8, BASE_DEC, NULL,0x0, + NULL, HFILL } + }, + { &hf_gtpv2_ne_list_len, + { "Length of List of NE Types", "gtpv2.ne_list_len", + FT_UINT8, BASE_DEC, NULL,0x0, + NULL, HFILL } + }, + { &hf_gtpv2_ses_trs_depth, + { "Session Trace Depth", "gtpv2.ses_trs_dept", + FT_UINT8, BASE_DEC, NULL,0x0, + NULL, HFILL } + }, + { &hf_gtpv2_list_of_if_len, + { "Length of List of Interfaces", "gtpv2.list_of_if_len", + FT_UINT8, BASE_DEC, NULL,0x0, + NULL, HFILL } + }, + { &hf_gtpv2_trs_coll_ip_addr_len, + { "Length of IP Address of Trace Collection Entity", "gtpv2.trs_coll_ip_addr_len", + FT_UINT8, BASE_DEC, NULL,0x0, + NULL, HFILL } + }, + { &hf_gtpv2_trs_coll_ipv4_addr, + {"IP Address of Trace Collection Entity", "gtpv2.trs_coll_ipv4_addr", + FT_IPv4, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_trs_coll_ipv6_addr, + {"IP Address of Trace Collection Entity", "gtpv2.trs_coll_ipv6_addr", + FT_IPv6, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_gtpv2_ext_tra_info_loi_mscs_cap, + { "CAP", "gtpv2.ext_tra_info_loi.mscs.cap", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mscs_map_f, + { "MAP-F", "gtpv2.ext_tra_info_loi.mscs.map_f", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mscs_map_e, + { "MAP-E", "gtpv2.ext_tra_info_loi.mscs.map_e", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mscs_map_b, + { "MAP-B", "gtpv2.ext_tra_info_loi.mscs.map_b", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mscs_map_g, + { "MAP-G", "gtpv2.ext_tra_info_loi.mscs.map_g", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mscs_mc, + { "Mc", "gtpv2.ext_tra_info_loi.mscs.mc", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mscs_iu, + { "Iu", "gtpv2.ext_tra_info_loi.mscs.iu", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mscs_a, + { "A","gtpv2.ext_tra_info_loi.mscs.a", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mscs_map_c, + { "MAP-C", "gtpv2.ext_tra_info_loi.mscs.map_c", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mscs_map_d, + { "MAP-D", "gtpv2.ext_tra_info_loi.mscs.map_d", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mgw_iuup, + { "Iu-UP", "gtpv2.ext_tra_info_loi.mgw.iuup", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mgw_nbup, + { "Nb-UP", "gtpv2.ext_tra_info_loi.mgw.nbup", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mgw_mc, + { "Mc", "gtpv2.ext_tra_info_loi.mgw.mc", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgsn_ge, + { "Ge", "gtpv2.ext_tra_info_loi.sgsn.ge", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgsn_gs, + { "Gs", "gtpv2.ext_tra_info_loi.sgsn.gs", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgsn_map_gf, + { "MAP-Gf", "gtpv2.ext_tra_info_loi.sgsn.map_gf", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgsn_map_gd, + { "MAP-Gd", "gtpv2.ext_tra_info_loi.sgsn.map_gd", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgsn_map_gr, + { "MAP-Gr", "gtpv2.ext_tra_info_loi.sgsn.map_gr", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgsn_gn, + { "Gn", "gtpv2.ext_tra_info_loi.sgsn.gn", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgsn_iu, + { "Iu", "gtpv2.ext_tra_info_loi.sgsn.iu", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgsn_gb, + { "Gb", "gtpv2.ext_tra_info_loi.sgsn.gb", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgsn_s13, + { "S13", "gtpv2.ext_tra_info_loi.sgsn.s13", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgsn_s3, + { "S3", "gtpv2.ext_tra_info_loi.sgsn.s3", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgsn_s4, + { "S4", "gtpv2.ext_tra_info_loi.sgsn.s4", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgsn_s6d, + { "S6d", "gtpv2.ext_tra_info_loi.sgsn.s6d", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_ggsn_gmb, + { "Gmb", "gtpv2.ext_tra_info_loi.ggsn.gmb", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_ggsn_gi, + { "Gi", "gtpv2.ext_tra_info_loi.ggsn.gi", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_ggsn_gn, + { "Gn", "gtpv2.ext_tra_info_loi.ggsn.gn", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_rnc_uu, + { "Uu", "gtpv2.ext_tra_info_loi.rrc.uu", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_rnc_iub, + { "Iub", "gtpv2.ext_tra_info_loi.rrc.iub", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_rnc_iur, + { "Iur", "gtpv2.ext_tra_info_loi.rrc.iur", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_rnc_iu, + { "Iu", "gtpv2.ext_tra_info_loi.rrc.iu", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_bm_sc_gmb, + { "Gmb", "gtpv2.ext_tra_info_loi.bm_sc.gmb", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mme_s13, + { "S13", "gtpv2.ext_tra_info_loi.mme.s13", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mme_s11, + { "S11", "gtpv2.ext_tra_info_loi.mme.s11", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mme_s10, + { "S10", "gtpv2.ext_tra_info_loi.mme.s10", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mme_s6a, + { "S6a", "gtpv2.ext_tra_info_loi.mme.s6a", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mme_s3, + { "S3", "gtpv2.ext_tra_info_loi.mme.s3", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_mme_s1_mme, + { "S1-mme", "gtpv2.ext_tra_info_loi.mme.s1_mme", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgw_gxc, + { "Gxc", "gtpv2.ext_tra_info_loi.sgw.gxc", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgw_s11, + { "S11", "gtpv2.ext_tra_info_loi.sgw.s11", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgw_s8b, + { "S8b", "gtpv2.ext_tra_info_loi.sgw.s8b", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgw_s5, + { "S5", "gtpv2.ext_tra_info_loi.sgw.s5", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_sgw_s4, + { "S4", "gtpv2.ext_tra_info_loi.sgw.s4", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_pdn_gw_sgi, + { "Sgi", "gtpv2.ext_tra_info_loi.pdn_gw.sgi", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_pdn_gw_s8b, + { "S8b", "gtpv2.ext_tra_info_loi.pdn_gw.s8b", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_pdn_gw_gx, + { "Gx", "gtpv2.ext_tra_info_loi.pdn_gw.gx", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_pdn_gw_s6b, + { "S6b", "gtpv2.ext_tra_info_loi.pdn_gw.s6b", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_pdn_gw_s5, + { "S5", "gtpv2.ext_tra_info_loi.pdn_gw.s5", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_pdn_gw_s2c, + { "S2c", "gtpv2.ext_tra_info_loi.pdn_gw.s2c", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_pdn_gw_s2b, + { "S2b", "gtpv2.ext_tra_info_loi.pdn_gw.s2b", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_pdn_gw_s2a, + { "S2a", "gtpv2.ext_tra_info_loi.pdn_gw.s2a", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_enb_uu, + { "Uu", "gtpv2.ext_tra_info_loi.enb.uu", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_enb_x2, + { "X2", "gtpv2.ext_tra_info_loi.enb.x2", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_enb_s1_mme, + { "S1-MME", "gtpv2.ext_tra_info_loi.enb.s1_mme", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_hss_sh, + { "Sh", "gtpv2.ext_tra_info_loi.hss.Sh", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_hss_s6a, + { "S6a", "gtpv2.ext_tra_info_loi.hss.S6a", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_hss_s6d, + { "S6d", "gtpv2.ext_tra_info_loi.hss.S6d", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_hss_cx, + { "Cx", "gtpv2.ext_tra_info_loi.hss.cx", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_hss_map_gr, + { "MAP-Gr", "gtpv2.ext_tra_info_loi.hss.map_gr", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_hss_map_gc, + { "MAP-Gc", "gtpv2.ext_tra_info_loi.hss.map_gc", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_hss_map_d, + { "MAP-D", "gtpv2.ext_tra_info_loi.hss.map_d", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_hss_map_c, + { "MAP-C", "gtpv2.ext_tra_info_loi.hss.map_c", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_eir_map_gf, + { "MAP-Gf", "gtpv2.ext_tra_info_loi.eir.map_gf", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_eir_s13p, + { "S13'", "gtpv2.ext_tra_info_loi.eir.s13p", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_eir_s13, + { "S13", "gtpv2.ext_tra_info_loi.eir.s13", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_eir_map_f, + { "MAP-F", "gtpv2.ext_tra_info_loi.eir.map_f", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_amf_n20, + { "N20", "gtpv2.ext_tra_info_loi.amf.n20", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_amf_n15, + { "N15", "gtpv2.ext_tra_info_loi.amf.n15", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_amf_n14, + { "N14", "gtpv2.ext_tra_info_loi.amf.n14", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_amf_n12, + { "N12", "gtpv2.ext_tra_info_loi.amf.n12", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_amf_n11, + { "N11", "gtpv2.ext_tra_info_loi.amf.n11", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_amf_n8, + { "N8", "gtpv2.ext_tra_info_loi.amf.n8", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_amf_n2, + { "N2", "gtpv2.ext_tra_info_loi.amf.n2", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_amf_n1, + { "N1", "gtpv2.ext_tra_info_loi.amf.n1", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_amf_n22, + { "N22", "gtpv2.ext_tra_info_loi.amf.n22", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_amf_n26, + { "N26", "gtpv2.ext_tra_info_loi.amf.n26", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_pcf_n15, + { "N15", "gtpv2.ext_tra_info_loi.pcf.n15", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_pcf_n7, + { "N7", "gtpv2.ext_tra_info_loi.pcf.n7", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_pcf_n5, + { "N5", "gtpv2.ext_tra_info_loi.pcf.n5", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_smf_s5_c, + { "S5-C", "gtpv2.ext_tra_info_loi.smf.s5_c", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_smf_n11, + { "N11", "gtpv2.ext_tra_info_loi.smf.n11", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_smf_n10, + { "N10", "gtpv2.ext_tra_info_loi.smf.n10", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_smf_n7, + { "N7", "gtpv2.ext_tra_info_loi.smf.n7", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_smf_n4, + { "N4", "gtpv2.ext_tra_info_loi.smf.n4", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_upf_n4, + { "N4", "gtpv2.ext_tra_info_loi.upf.n4", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_ng_ran_node_e1_c, + { "E1-C", "gtpv2.ext_tra_info_loi.ng_ran_node.e1_c", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_ng_ran_node_f1_c, + { "F1-C", "gtpv2.ext_tra_info_loi.ng_ran_node.f1_c", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_ng_ran_node_Uu, + { "Uu", "gtpv2.ext_tra_info_loi.ng_ran_node.uu", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_ng_ran_node_xn_c, + { "Xn-C", "gtpv2.ext_tra_info_loi.ng_ran_node.xn_c", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_ext_tra_info_loi_ng_ran_node_ng_c, + { "NG-C", "gtpv2.ext_tra_info_loi.ng_ran_node.ng_c", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_nr_add_exception_rpts, + { "Number of additional exception reports", "gtpv2.r_add_exception_rpts", + FT_UINT32, BASE_DEC, NULL,0x0, + NULL, HFILL } + }, + { &hf_gtpv2_nr_ul_pkts_all, + { "Number of Uplink packets allowed", "gtpv2.nr_ul_pkts_all", + FT_UINT32, BASE_DEC, NULL,0x0, + NULL, HFILL } + }, + { &hf_gtpv2_nr_dl_pkts_all, + { "Number of Downlink packets allowed", "gtpv2.nr_dl_pkts_all", + FT_UINT32, BASE_DEC, NULL,0x0, + NULL, HFILL } + }, + { &hf_apn_rte_cntrl_status_val_time, + { "APN Rate Control Status validity Time", "gtpv2.pn_rte_cntrl_status_val_time", + FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL,0x0, + NULL, HFILL } + }, + { &hf_gtpv2_max_pkt_loss_rte_ul_flg, + { "UL", "gtpv2.max_pkt_loss_rte_ul_flg", + FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01, + NULL, HFILL } + }, + { &hf_gtpv2_max_pkt_loss_rte_dl_flg, + { "DL", "gtpv2.max_pkt_loss_rte_dl_flg", + FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02, + NULL, HFILL } + }, + { &hf_gtpv2_max_pkt_loss_rte_ul, + { "Maximum Packet Loss Rate UL", "gtpv2.max_pkt_loss_rte_ul", + FT_UINT16, BASE_CUSTOM, CF_FUNC(value_in_tenth_of_percent_fmt), 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_max_pkt_loss_rte_dl, + { "Maximum Packet Loss Rate DL", "gtpv2.max_pkt_loss_rte_dl", + FT_UINT16, BASE_CUSTOM, CF_FUNC(value_in_tenth_of_percent_fmt), 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_iov_updates_counter, + { "IOV_updates counter", "gtpv2.mm_context.iov_updates_counter", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_mm_context_ear_len, + { "Length of Extended Access Restriction Data", "gtpv2.mm_context.ear_len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_node_number_len, + { "Length", "gtpv2.node_number.len", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_gtpv2_additional_rrm_policy_index, + { "Additional RRM Policy Index", "gtpv2.additional_rrm_policy_index", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + }; + + /* Setup protocol subtree array */ +#define GTPV2_NUM_INDIVIDUAL_ELEMS 84 + static gint *ett_gtpv2_array[GTPV2_NUM_INDIVIDUAL_ELEMS + NUM_GTPV2_IES]; + + ett_gtpv2_array[0] = &ett_gtpv2; + ett_gtpv2_array[1] = &ett_gtpv2_flags; + ett_gtpv2_array[2] = &ett_gtpv2_uli_flags; + ett_gtpv2_array[3] = &ett_gtpv2_uli_field; + ett_gtpv2_array[4] = &ett_gtpv2_bearer_ctx; + ett_gtpv2_array[5] = &ett_gtpv2_PDN_conn; + ett_gtpv2_array[6] = &ett_gtpv2_overload_control_information; + ett_gtpv2_array[7] = &ett_gtpv2_mm_context_flag; + ett_gtpv2_array[8] = &ett_gtpv2_pdn_numbers_nsapi; + ett_gtpv2_array[9] = &ett_gtpv2_tra_info_trigg; + ett_gtpv2_array[10] = &ett_gtpv2_tra_info_trigg_msc_server; + ett_gtpv2_array[11] = &ett_gtpv2_tra_info_trigg_mgw; + ett_gtpv2_array[12] = &ett_gtpv2_tra_info_trigg_sgsn; + ett_gtpv2_array[13] = &ett_gtpv2_tra_info_trigg_ggsn; + ett_gtpv2_array[14] = &ett_gtpv2_tra_info_trigg_bm_sc; + ett_gtpv2_array[15] = &ett_gtpv2_tra_info_trigg_sgw_mme; + ett_gtpv2_array[16] = &ett_gtpv2_tra_info_trigg_sgw; + ett_gtpv2_array[17] = &ett_gtpv2_tra_info_trigg_pgw; + ett_gtpv2_array[18] = &ett_gtpv2_tra_info_interfaces; + ett_gtpv2_array[19] = &ett_gtpv2_tra_info_interfaces_imsc_server; + ett_gtpv2_array[20] = &ett_gtpv2_tra_info_interfaces_lmgw; + ett_gtpv2_array[21] = &ett_gtpv2_tra_info_interfaces_lsgsn; + ett_gtpv2_array[22] = &ett_gtpv2_tra_info_interfaces_lggsn; + ett_gtpv2_array[23] = &ett_gtpv2_tra_info_interfaces_lrnc; + ett_gtpv2_array[24] = &ett_gtpv2_tra_info_interfaces_lbm_sc; + ett_gtpv2_array[25] = &ett_gtpv2_tra_info_interfaces_lmme; + ett_gtpv2_array[26] = &ett_gtpv2_tra_info_interfaces_lsgw; + ett_gtpv2_array[27] = &ett_gtpv2_tra_info_interfaces_lpdn_gw; + ett_gtpv2_array[28] = &ett_gtpv2_tra_info_interfaces_lpdn_lenb; + ett_gtpv2_array[29] = &ett_gtpv2_tra_info_ne_types; + ett_gtpv2_array[30] = &ett_gtpv2_rai; + ett_gtpv2_array[31] = &ett_gtpv2_stn_sr; + ett_gtpv2_array[32] = &ett_gtpv2_ms_mark; + ett_gtpv2_array[33] = &ett_gtpv2_supp_codec_list; + ett_gtpv2_array[34] = &ett_gtpv2_bss_con; + ett_gtpv2_array[35] = &ett_gtpv2_utran_con; + ett_gtpv2_array[36] = &ett_gtpv2_eutran_con; + ett_gtpv2_array[37] = &ett_gtpv2_son_con; + ett_gtpv2_array[38] = &ett_gtpv2_endc_son_con; + ett_gtpv2_array[39] = &ett_gtpv2_intersys_son_con; + ett_gtpv2_array[40] = &ett_gtpv2_mm_context_auth_qua; + ett_gtpv2_array[41] = &ett_gtpv2_mm_context_auth_qui; + ett_gtpv2_array[42] = &ett_gtpv2_mm_context_auth_tri; + ett_gtpv2_array[43] = &ett_gtpv2_mm_context_net_cap; + ett_gtpv2_array[44] = &ett_gtpv2_ms_network_capability; + ett_gtpv2_array[45] = &ett_gtpv2_mm_context_sc; + ett_gtpv2_array[46] = &ett_gtpv2_vd_pref; + ett_gtpv2_array[47] = &ett_gtpv2_access_rest_data; + ett_gtpv2_array[48] = &ett_gtpv2_qua; + ett_gtpv2_array[49] = &ett_gtpv2_qui; + ett_gtpv2_array[50] = &ett_gtpv2_preaa_tais; + ett_gtpv2_array[51] = &ett_gtpv2_preaa_menbs; + ett_gtpv2_array[52] = &ett_gtpv2_preaa_henbs; + ett_gtpv2_array[53] = &ett_gtpv2_preaa_ecgis; + ett_gtpv2_array[54] = &ett_gtpv2_preaa_rais; + ett_gtpv2_array[55] = &ett_gtpv2_preaa_sais; + ett_gtpv2_array[56] = &ett_gtpv2_preaa_cgis; + ett_gtpv2_array[57] = &ett_gtpv2_load_control_inf; + ett_gtpv2_array[58] = &ett_gtpv2_eci; + ett_gtpv2_array[59] = &ett_gtpv2_twan_flags; + ett_gtpv2_array[60] = &ett_gtpv2_ciot_support_ind; + ett_gtpv2_array[61] = &ett_gtpv2_rohc_profile_flags; + ett_gtpv2_array[62] = &ett_gtpv2_secondary_rat_usage_data_report; + ett_gtpv2_array[63] = &ett_gtpv2_pres_rep_area_info; + ett_gtpv2_array[64] = &ett_gtpv2_preaa_ext_menbs; + ett_gtpv2_array[65] = &ett_gtpv2_ue_nr_sec_cap_len; + ett_gtpv2_array[66] = &ett_gtpv2_apn_rte_ctrl_sts_len; + ett_gtpv2_array[67] = &ett_gtpv2_if_mgcs; + ett_gtpv2_array[68] = &ett_gtpv2_if_mgw; + ett_gtpv2_array[69] = &ett_gtpv2_if_sgsn; + ett_gtpv2_array[70] = &ett_gtpv2_if_ggsn; + ett_gtpv2_array[71] = &ett_gtpv2_if_rnc; + ett_gtpv2_array[72] = &ett_gtpv2_if_bm_sc; + ett_gtpv2_array[73] = &ett_gtpv2_if_mme; + ett_gtpv2_array[74] = &ett_gtpv2_if_sgw; + ett_gtpv2_array[75] = &ett_gtpv2_if_pdn_gw; + ett_gtpv2_array[76] = &ett_gtpv2_if_enb; + ett_gtpv2_array[77] = &ett_gtpv2_if_hss; + ett_gtpv2_array[78] = &ett_gtpv2_if_eir; + ett_gtpv2_array[79] = &ett_gtpv2_if_amf; + ett_gtpv2_array[80] = &ett_gtpv2_if_pcf; + ett_gtpv2_array[81] = &ett_gtpv2_if_smf; + ett_gtpv2_array[82] = &ett_gtpv2_if_upf; + ett_gtpv2_array[83] = &ett_gtpv2_if_ng_ran_node; + last_offset = GTPV2_NUM_INDIVIDUAL_ELEMS; + + for (i=0; i < NUM_GTPV2_IES; i++, last_offset++) + { + ett_gtpv2_ies[i] = -1; + ett_gtpv2_array[last_offset] = &ett_gtpv2_ies[i]; + } + + static ei_register_info ei[] = { + { &ei_gtpv2_ie_data_not_dissected, { "gtpv2.ie_data_not_dissected", PI_UNDECODED, PI_NOTE, "IE data not dissected yet", EXPFILL }}, + { &ei_gtpv2_ie_len_invalid, { "gtpv2.ie_len_invalid", PI_PROTOCOL, PI_ERROR, "Wrong length", EXPFILL }}, + { &ei_gtpv2_source_type_unknown, { "gtpv2.source_type.unknown", PI_PROTOCOL, PI_ERROR, "Unknown source type", EXPFILL }}, + { &ei_gtpv2_fq_csid_type_bad, { "gtpv2.fq_csid_type.unknown", PI_PROTOCOL, PI_ERROR, "Wrong Node-ID Type", EXPFILL }}, + { &ei_gtpv2_mbms_session_duration_days, { "gtpv2.mbms_session_duration_days.invalid", PI_PROTOCOL, PI_WARN, "Days out of allowed range", EXPFILL }}, + { &ei_gtpv2_mbms_session_duration_secs, { "gtpv2.mbms_session_duration_secs.unknown", PI_PROTOCOL, PI_WARN, "Seconds out of allowed range", EXPFILL }}, + { &ei_gtpv2_ie, { "gtpv2.ie_type.reserved", PI_PROTOCOL, PI_WARN, "IE type Zero is Reserved and should not be used", EXPFILL }}, + { &ei_gtpv2_int_size_not_handled, { "gtpv2.ie_type.int_size_not_handled", PI_PROTOCOL, PI_WARN, "Integer size not handled yet", EXPFILL } }, + { &ei_gtpv2_apn_too_long, { "gtpv2.apn_too_long", PI_PROTOCOL, PI_WARN, "APN encoding has more than 100 octets", EXPFILL } }, + }; + + expert_module_t* expert_gtpv2; + module_t *gtpv2_module; + + static const enum_val_t decode_srvcc_ps_to_cs_trans_cont_vals[] = { + {"no", "Don't decode", PREF_DECODE_SRVCC_P2C_TRANS_CONT_NO}, + {"utran", "Assume UTRAN target", PREF_DECODE_SRVCC_P2C_TRANS_CONT_TARGET_UTRAN}, + {NULL, NULL, -1} + }; + + proto_gtpv2 = proto_register_protocol("GPRS Tunneling Protocol V2", "GTPv2", "gtpv2"); + + gtpv2_module = prefs_register_protocol(proto_gtpv2, NULL); + prefs_register_enum_preference(gtpv2_module, "decode_srvcc_p2c_trans_cont_target", + "Decode SRVCC PS-to-CS Transparent Containers", + "Use this setting to decode the Transparent Containers in the SRVCC PS-to-CS messages.\n" + "This is needed until there's a reliable way to determine the contents of the transparent containers.", + &pref_decode_srvcc_p2c_trans_cont, decode_srvcc_ps_to_cs_trans_cont_vals, FALSE); + + prefs_register_uint_preference(gtpv2_module, "pair_max_interval", "Max interval allowed in pair matching", "Request/reply pair matches only if their timestamps are closer than that value, in ms (default 0, i.e. don't use timestamps)", 10, &pref_pair_matching_max_interval_ms); + + proto_register_field_array(proto_gtpv2, hf_gtpv2, array_length(hf_gtpv2)); + proto_register_subtree_array(ett_gtpv2_array, array_length(ett_gtpv2_array)); + expert_gtpv2 = expert_register_protocol(proto_gtpv2); + expert_register_field_array(expert_gtpv2, ei, array_length(ei)); + + register_dissector("gtpv2", dissect_gtpv2, proto_gtpv2); + /* Dissector table for private extensions */ + gtpv2_priv_ext_dissector_table = register_dissector_table("gtpv2.priv_ext", "GTPv2 Private Extension", proto_gtpv2, FT_UINT16, BASE_DEC); + + gtpv2_tap = register_tap("gtpv2"); + + register_srt_table(proto_gtpv2, NULL, 1, gtpv2_stat_packet, gtpv2_stat_init, NULL); +} + +void +proto_reg_handoff_gtpv2(void) +{ + //static gboolean Initialized = FALSE; + + nas_eps_handle = find_dissector_add_dependency("nas-eps", proto_gtpv2); + + radius_register_avp_dissector(VENDOR_THE3GPP, 22, dissect_radius_user_loc); + + /* AVP Code: 22 3GPP-User-Location-Info */ + dissector_add_uint("diameter.3gpp", 22, create_dissector_handle(dissect_diameter_3gpp_uli, proto_gtpv2)); + + /* AVP Code: 2820 Presence-Reporting-Area-Elements-List */ + dissector_add_uint("diameter.3gpp", 2820, create_dissector_handle(dissect_diameter_3gpp_presence_reporting_area_elements_list, proto_gtpv2)); + +} + +/* + * Editor modelines + * + * Local Variables: + * c-basic-offset: 4 + * tab-width: 8 + * indent-tabs-mode: nil + * End: + * + * ex: set shiftwidth=4 tabstop=8 expandtab: + * :indentSize=4:tabSize=8:noTabs=true: + */ |