/* packet-pfcp.c * * Routines for Packet Forwarding Control Protocol (PFCP) dissection * * Copyright 2017, Anders Broman * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * Ref 3GPP TS 29.244 V14.0.0 (2017-06) */ #include "config.h" #include #include #include #include /* Needed for BASE_ENTERPRISES */ #include "packet-ntp.h" void proto_register_pfcp(void); void proto_reg_handoff_pfcp(void); static dissector_handle_t pfcp_handle; static dissector_handle_t pfcp_3gpp_ies_handle; static int proto_pfcp = -1; static int hf_pfcp_msg_type = -1; static int hf_pfcp_msg_length = -1; static int hf_pfcp_hdr_flags = -1; static int hf_pfcp_version = -1; static int hf_pfcp_mp_flag = -1; static int hf_pfcp_s_flag = -1; static int hf_pfcp_seid = -1; static int hf_pfcp_seqno = -1; static int hf_pfcp_mp = -1; static int hf_pfcp2_ie = -1; static int hf_pfcp2_ie_len = -1; static int hf_pfcp2_enterprise_ie = -1; static int hf_pfcp_enterprice_id = -1; static int hf_pfcp_spare_b2 = -1; static int hf_pfcp_spare_b3 = -1; static int hf_pfcp_spare_b4 = -1; static int hf_pfcp_spare_b5 = -1; static int hf_pfcp_spare_b6 = -1; static int hf_pfcp_spare_b7 = -1; static int hf_pfcp_spare_b7_b6 = -1; static int hf_pfcp_spare_b7_b5 = -1; static int hf_pfcp_spare_b7_b4 = -1; static int hf_pfcp_spare_b7_b3 = -1; static int hf_pfcp_spare_b7_b2 = -1; static int hf_pfcp_spare_b7_b1 = -1; static int hf_pfcp_spare_h0 = -1; static int hf_pfcp_spare_h1 = -1; static int hf_pfcp_spare_oct = -1; static int hf_pfcp_spare = -1; static int hf_pfcp2_cause = -1; static int hf_pfcp_node_id_type = -1; static int hf_pfcp_node_id_ipv4 = -1; static int hf_pfcp_node_id_ipv6 = -1; static int hf_pfcp_node_id_fqdn = -1; static int hf_pfcp_recovery_time_stamp = -1; static int hf_pfcp_f_seid_flags = -1; static int hf_pfcp_b0_v6 = -1; static int hf_pfcp_b1_v4 = -1; static int hf_pfcp_f_seid_ipv4 = -1; static int hf_pfcp_f_seid_ipv6 = -1; static int hf_pfcp_pdr_id = -1; static int hf_pfcp_precedence = -1; static int hf_pfcp_source_interface = -1; static int hf_pfcp_f_teid_flags = -1; static int hf_pfcp_fteid_flg_spare = -1; static int hf_pfcp_fteid_flg_b2_ch = -1; static int hf_pfcp_fteid_flg_b1_v6 = -1; static int hf_pfcp_fteid_flg_b0_v4 = -1; static int hf_pfcp_f_teid_ipv4 = -1; static int hf_pfcp_f_teid_ipv6 = -1; static int hf_pfcp_pdn_instance = -1; static int hf_pfcp_ue_ip_address_flags = -1; static int hf_pfcp_ue_ip_address_flag_b0 = -1; static int hf_pfcp_ue_ip_address_flag_b1 = -1; static int hf_pfcp_ue_ip_address_flag_b2 = -1; static int hf_pfcp_ue_ip_addr_ipv4 = -1; static int hf_pfcp_ue_ip_add_ipv6 = -1; static int hf_pfcp_application_id = -1; static int hf_pfcp_sdf_filter_flags = -1; static int hf_pfcp_sdf_filter_b0_fd = -1; static int hf_pfcp_sdf_filter_b1_ttc = -1; static int hf_pfcp_sdf_filter_b2_spi = -1; static int hf_pfcp_sdf_filter_b3_fl = -1; static int hf_pfcp_flow_desc_len = -1; static int hf_pfcp_fd = -1; static int hf_pfcp_ttc = -1; static int hf_pfcp_spi = -1; static int hf_pfcp_fl = -1; static int hf_pfcp_out_hdr_desc = -1; static int hf_pfcp_far_id_flg = -1; static int hf_pfcp_far_id = -1; static int hf_pfcp_urr_id_flg = -1; static int hf_pfcp_urr_id = -1; static int hf_pfcp_qer_id_flg = -1; static int hf_pfcp_qer_id = -1; static int hf_pfcp_predef_rules_name = -1; static int hf_pfcp_apply_action_flags = -1; static int hf_pfcp_apply_action_b4_dupl = -1; static int hf_pfcp_apply_action_b3_nocp = -1; static int hf_pfcp_apply_action_b2_buff = -1; static int hf_pfcp_apply_action_b1_forw = -1; static int hf_pfcp_apply_action_b0_drop = -1; static int hf_pfcp_bar_id = -1; static int hf_pfcp_fq_csid_node_id_type = -1; static int hf_pfcp_num_csid = -1; static int hf_pfcp_fq_csid_node_id_ipv4 = -1; static int hf_pfcp_fq_csid_node_id_ipv6 = -1; static int hf_pfcp_fq_csid_node_id_mcc_mnc = -1; static int hf_pfcp_fq_csid_node_id_int = -1; static int hf_pfcp_fq_csid = -1; static int hf_pfcp_measurement_period = -1; static int hf_pfcp_duration_measurement = -1; static int hf_pfcp_time_of_first_packet = -1; static int hf_pfcp_time_of_last_packet = -1; static int hf_pfcp_dst_interface = -1; static int hf_pfcp_redirect_address_type = -1; static int hf_pfcp_redirect_server_addr_len = -1; static int hf_pfcp_redirect_server_address = -1; static int hf_pfcp_linked_urr_id = -1; static int hf_pfcp_outer_hdr_desc = -1; static int hf_pfcp_outer_hdr_creation_teid = -1; static int hf_pfcp_outer_hdr_creation_ipv4 = -1; static int hf_pfcp_outer_hdr_creation_ipv6 = -1; static int hf_pfcp_outer_hdr_creation_port = -1; static int hf_pfcp_tos_traf_class = -1; static int hf_pfcp_time_threshold = -1; static int hf_pfcp_forwarding_policy_id_len = -1; static int hf_pfcp_forwarding_policy_id = -1; static int hf_pfcp_measurement_method_flags = -1; static int hf_pfcp_b0_durat = -1; static int hf_pfcp_b1_volume = -1; static int hf_pfcp_b2_event = -1; static int hf_pfcp_subsequent_time_threshold = -1; static int hf_pfcp_inactivity_detection_time = -1; static int hf_pfcp_monitoring_time = -1; static int hf_pfcp_reporting_triggers = -1; static int hf_pfcp_b9_timqu = -1; static int hf_pfcp_b8_volqu = -1; static int hf_pfcp_b7_liusa = -1; static int hf_pfcp_b6_droth = -1; static int hf_pfcp_b5_stopt = -1; static int hf_pfcp_b4_start = -1; static int hf_pfcp_b3_quhti = -1; static int hf_pfcp_b2_timth = -1; static int hf_pfcp_b1_volth = -1; static int hf_pfcp_b0_perio = -1; static int hf_pfcp_volume_threshold = -1; static int hf_pfcp_b2_dlvol = -1; static int hf_pfcp_b1_ulvol = -1; static int hf_pfcp_b0_tovol = -1; static int hf_pfcp_volume_threshold_tovol = -1; static int hf_pfcp_volume_threshold_ulvol = -1; static int hf_pfcp_volume_threshold_dlvol = -1; static int hf_pfcp_volume_quota = -1; static int hf_pfcp_volume_quota_tovol = -1; static int hf_pfcp_volume_quota_ulvol = -1; static int hf_pfcp_volume_quota_dlvol = -1; static int hf_pfcp_subseq_volume_threshold = -1; static int hf_pfcp_subseq_volume_threshold_b2_dlvol = -1; static int hf_pfcp_subseq_volume_threshold_b1_ulvol = -1; static int hf_pfcp_subseq_volume_threshold_b0_tovol = -1; static int hf_pfcp_subseq_volume_threshold_tovol = -1; static int hf_pfcp_subseq_volume_threshold_ulvol = -1; static int hf_pfcp_subseq_volume_threshold_dlvol = -1; static int hf_pfcp_time_quota = -1; static int hf_pfcp_start_time = -1; static int hf_pfcp_end_time = -1; static int hf_pfcp_quota_holding_time = -1; static int hf_pfcp_dropped_dl_traffic_threshold = -1; static int hf_pfcp_dropped_dl_traffic_threshold_b0_dlpa = -1; static int hf_pfcp_downlink_packets = -1; static int hf_pfcp_qer_correlation_id = -1; static int hf_pfcp_gate_status = -1; static int hf_pfcp_gate_status_b0b1_dlgate = -1; static int hf_pfcp_gate_status_b3b2_ulgate = -1; static int hf_pfcp_ul_mbr = -1; static int hf_pfcp_dl_mbr = -1; static int hf_pfcp_ul_gbr = -1; static int hf_pfcp_dl_gbr = -1; static int hf_pfcp_report_type = -1; static int hf_pfcp_b2_erir = -1; static int hf_pfcp_b1_usar = -1; static int hf_pfcp_b0_dldr = -1; static int hf_pfcp_offending_ie = -1; static int hf_pfcp_up_function_features = -1; static int hf_pfcp_b8_empu = -1; static int hf_pfcp_b7_treu = -1; static int hf_pfcp_b6_heeu = -1; static int hf_pfcp_b5_pfdm = -1; static int hf_pfcp_b4_ftup = -1; static int hf_pfcp_b3_trst = -1; static int hf_pfcp_b2_dlbd = -1; static int hf_pfcp_b1_ddnd = -1; static int hf_pfcp_b0_bucp = -1; static int hf_pfcp_sequence_number = -1; static int hf_pfcp_metric = -1; static int hf_pfcp_timer_unit = -1; static int hf_pfcp_timer_value = -1; static int hf_pfcp_usage_report_trigger = -1; static int hf_pfcp_b7_immer = -1; static int hf_pfcp_b10_liusa = -1; static int hf_pfcp_volume_measurement = -1; static int hf_pfcp_vol_meas_tovol = -1; static int hf_pfcp_vol_meas_ulvol = -1; static int hf_pfcp_vol_meas_dlvol = -1; static int hf_pfcp_cp_function_features = -1; static int hf_pfcp_b0_load = -1; static int hf_pfcp_b1_ovrl = -1; static int hf_pfcp_usage_information = -1; static int hf_pfcp_b3_ube = -1; static int hf_pfcp_b2_uae = -1; static int hf_pfcp_b1_aft = -1; static int hf_pfcp_b0_bef = -1; static int hf_pfcp_application_instance_id = -1; static int hf_pfcp_flow_dir = -1; static int hf_pfcp_packet_rate = -1; static int hf_pfcp_ulpr_b0 = -1; static int hf_pfcp_dlpr_b1 = -1; static int hf_pfcp_ul_time_unit = -1; static int hf_pfcp_max_ul_pr = -1; static int hf_pfcp_dl_time_unit = -1; static int hf_pfcp_max_dl_pr = -1; static int hf_pfcp_dl_flow_level_marking = -1; static int hf_pfcp_b0_ttc = -1; static int hf_pfcp_b1_sci = -1; static int hf_pfcp_sci = -1; static int hf_pfcp_dl_data_notification_delay = -1; static int hf_pfcp_packet_count = -1; static int hf_pfcp_pfcp_dl_data_service_inf_flags = -1; static int hf_pfcp_b0_ppi = -1; static int hf_pfcp_ppi = -1; static int hf_pfcp_sxsmreq_flags = -1; static int hf_pfcp_b0_drobu = -1; static int hf_pfcp_b1_sndem = -1; static int hf_pfcp_sxsrrsp_flags = -1; static int hf_pfcp_pfd_contents_flags = -1; static int hf_pfcp_b0_fd = -1; static int hf_pfcp_b3_cp = -1; static int hf_pfcp_b2_dn = -1; static int hf_pfcp_b1_url = -1; static int hf_pfcp_url_len = -1; static int hf_pfcp_url = -1; static int hf_pfcp_dn_len = -1; static int hf_pfcp_dn = -1; static int hf_pfcp_cp_len = -1; static int hf_pfcp_cp = -1; static int hf_pfcp_header_type = -1; static int hf_pfcp_hf_len = -1; static int hf_pfcp_hf_name = -1; static int hf_pfcp_hf_val_len = -1; static int hf_pfcp_hf_val = -1; static int hf_pfcp_measurement_info = -1; static int hf_pfcp_b0_mbqe = -1; static int hf_pfcp_b1_inam = -1; static int hf_pfcp_node_report_type = -1; static int hf_pfcp_b0_upfr = -1; static int hf_pfcp_remote_gtp_u_peer = -1; static int hf_pfcp_gtp_u_peer_flag_b0 = -1; static int hf_pfcp_gtp_u_peer_flag_b1 = -1; static int hf_pfcp_remote_gtp_u_peer_ipv4 = -1; static int hf_pfcp_remote_gtp_u_peer_ipv6 = -1; static int hf_pfcp_ur_seqn = -1; static int hf_pfcp_oci_flags = -1; static int hf_pfcp_b0_aoci = -1; static int hf_pfcp_sx_assoc_rel_req_flags = -1; static int hf_pfcp_b0_sarr = -1; static int ett_pfcp = -1; static int ett_pfcp_flags = -1; static int ett_pfcp_ie = -1; static int ett_pfcp_grouped_ie = -1; static int ett_pfcp_f_seid_flags = -1; static int ett_f_teid_flags = -1; static int ett_pfcp_ue_ip_address_flags = -1; static int ett_pfcp_sdf_filter_flags = -1; static int ett_pfcp_apply_action_flags = -1; static int ett_pfcp_measurement_method_flags = -1; static int ett_pfcp_reporting_triggers = -1; static int ett_pfcp_volume_threshold = -1; static int ett_pfcp_volume_quota = -1; static int ett_pfcp_subseq_volume_threshold = -1; static int ett_pfcp_dropped_dl_traffic_threshold = -1; static int ett_pfcp_gate_status = -1; static int ett_pfcp_report_type = -1; static int ett_pfcp_up_function_features = -1; static int ett_pfcp_report_trigger = -1; static int ett_pfcp_volume_measurement = -1; static int ett_pfcp_cp_function_features = -1; static int ett_pfcp_usage_information = -1; static int ett_pfcp_packet_rate = -1; static int ett_pfcp_pfcp_dl_flow_level_marking = -1; static int ett_pfcp_dl_data_service_inf = -1; static int ett_pfcp_sxsmreq = -1; static int ett_pfcp_sxsrrsp = -1; static int ett_pfcp_measurement_info = -1; static int ett_pfcp_node_report_type = -1; static int ett_pfcp_remote_gtp_u_peer = -1; static int ett_pfcp_oci_flags = -1; static int ett_sx_assoc_rel_req_flags = -1; static expert_field ei_pfcp_ie_reserved = EI_INIT; static expert_field ei_pfcp_ie_data_not_decoded = EI_INIT; static expert_field ei_pfcp_ie_not_decoded_null = EI_INIT; static expert_field ei_pfcp_ie_not_decoded_to_large = EI_INIT; static expert_field ei_pfcp_enterprise_ie_3gpp = EI_INIT; static expert_field ei_pfcp_ie_encoding_error = EI_INIT; static dissector_table_t pfcp_enterprise_ies_dissector_table; static void dissect_pfcp_ies_common(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, gint offset, guint8 message_type); static void dissect_pfcp_create_pdr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_pdi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_create_far(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_forwarding_parameters(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_duplicating_parameters(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_create_urr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_create_qer(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_created_pdr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_update_pdr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_update_far(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_upd_forwarding_param(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_update_bar(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_update_urr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_update_qer(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_remove_pdr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_remove_far(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_remove_urr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_remove_qer(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_load_control_information(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_overload_control_information(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_application_ids_pfds(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_pfd_context(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_application_detection_inf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_pfcp_query_urr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_usage_report_smr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_usage_report_sdr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_usage_report_srr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_downlink_data_report(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_create_bar(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_update_bar_smr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_remove_bar(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_error_indication_report(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_user_plane_path_failure_report(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static void dissect_pfcp_update_duplicating_parameters(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type); static const true_false_string pfcp_id_predef_dynamic_tfs = { "Predefined by UP", "Dynamic by CP", }; #define PFCP_MSG_RESERVED_0 0 static const value_string pfcp_message_type[] = { {PFCP_MSG_RESERVED_0, "Reserved"}, /* Sx Node related messages */ { 1, "Sx Heartbeat Request"}, { 2, "Sx Heartbeat Response"}, { 3, "Sx PFD Management Request"}, { 4, "Sx PFD Management Response"}, { 5, "Sx Association Setup Request"}, { 6, "Sx Association Setup Response"}, { 7, "Sx Association Update Request"}, { 8, "Sx Association Update Response"}, { 9, "Sx Association Release Request"}, { 10, "Sx Association Release Response"}, { 11, "Sx Version Not Supported Response"}, { 12, "Sx Node Report Request"}, { 13, "Sx Node Report Response"}, { 14, "Sx Session Set Deletion Request"}, { 15, "Sx Session Set Deletion Response"}, //16 to 49 For future use //Sx Session related messages { 50, "Sx Session Establishment Request"}, { 51, "Sx Session Establishment Response"}, { 52, "Sx Session Modification Request"}, { 53, "Sx Session Modification Response"}, { 54, "Sx Session Deletion Request"}, { 55, "Sx Session Deletion Response"}, { 56, "Sx Session Report Request"}, { 57, "Sx Session Report Response"}, //58 to 99 For future use //Other messages //100 to 255 For future use {0, NULL} }; static value_string_ext pfcp_message_type_ext = VALUE_STRING_EXT_INIT(pfcp_message_type); /* 8.1.2 Information Element Types */ #define PFCP_IE_ID_CREATE_PDR 1 #define PFCP_IE_ID_PDI 2 #define PFCP_IE_CREATE_FAR 3 #define PFCP_IE_FORWARDING_PARAMETERS 4 #define PFCP_IE_DUPLICATING_PARAMETERS 5 #define PFCP_IE_CREATE_URR 6 #define PFCP_IE_CREATE_QER 7 #define PFCP_IE_CREATED_PDR 8 #define PFCP_IE_UPDATE_PDR 9 #define PFCP_IE_UPDATE_FAR 10 #define PFCP_IE_UPD_FORWARDING_PARAM 11 #define PFCP_IE_UPDATE_BAR 12 #define PFCP_IE_UPDATE_URR 13 #define PFCP_IE_UPDATE_QER 14 #define PFCP_IE_REMOVE_PDR 15 #define PFCP_IE_REMOVE_FAR 16 #define PFCP_IE_REMOVE_URR 17 #define PFCP_IE_REMOVE_QER 18 #define PFCP_LOAD_CONTROL_INFORMATION 51 #define PFCP_OVERLOAD_CONTROL_INFORMATION 54 #define PFCP_APPLICATION_IDS_PFDS 58 #define PFCP_PFD_CONTEXT 59 #define PFCP_APPLICATION_DETECTION_INF 68 #define PFCP_QUERY_URR 77 #define PFCP_USAGE_REPORT_SMR 78 #define PFCP_USAGE_REPORT_SDR 79 #define PFCP_USAGE_REPORT_SRR 80 #define PFCP_DOWNLINK_DATA_REPORT 83 #define PFCP_CREATE_BAR 85 #define PFCP_UPDATE_BAR_SMR 86 #define PFCP_REMOVE_BAR 87 #define PFCP_ERROR_INDICATION_REPORT 99 #define PFCP_USER_PLANE_PATH_FAILURE_REPORT 102 #define PFCP_UPDATE_DUPLICATING_PARAMETERS 105 static const value_string pfcp_ie_type[] = { { 0, "Reserved"}, { 1, "Create PDR"}, /* Extendable / Table 7.5.2.2-1 */ { 2, "PDI"}, /* Extendable / Table 7.5.2.2-2 */ { 3, "Create FAR"}, /* Extendable / Table 7.5.2.3-1 */ { 4, "Forwarding Parameters"}, /* Extendable / Table 7.5.2.3-2 */ { 5, "Duplicating Parameters"}, /* Extendable / Table 7.5.2.3-3 */ { 6, "Create URR"}, /* Extendable / Table 7.5.2.4-1 */ { 7, "Create QER"}, /* Extendable / Table 7.5.2.5-1 */ { 8, "Created PDR"}, /* Extendable / Table 7.5.3.2-1 */ { 9, "Update PDR" }, /* Extendable / Table 7.5.4.2-1 */ { 10, "Update FAR" }, /* Extendable / Table 7.5.4.3-1 */ { 11, "Update Forwarding Parameters" }, /* Extendable / Table 7.5.4.3-2 */ { 12, "Update BAR (Sx Session Report Response)" }, /* Extendable / Table 7.5.9.2-1 */ { 13, "Update URR" }, /* Extendable / Table 7.5.4.4 */ { 14, "Update QER" }, /* Extendable / Table 7.5.4.5 */ { 15, "Remove PDR" }, /* Extendable / Table 7.5.4.6 */ { 16, "Remove FAR" }, /* Extendable / Table 7.5.4.7 */ { 17, "Remove URR" }, /* Extendable / Table 7.5.4.8 */ { 18, "Remove QER" }, /* Extendable / Table 7.5.4.9 */ { 19, "Cause" }, /* Fixed / Subclause 8.2.1 */ { 20, "Source Interface" }, /* Extendable / Subclause 8.2.2 */ { 21, "F-TEID" }, /* Extendable / Subclause 8.2.3 */ { 22, "PDN Instance" }, /* Variable Length / Subclause 8.2.4 */ { 23, "SDF Filter" }, /* Extendable / Subclause 8.2.5 */ { 24, "Application ID" }, /* Variable Length / Subclause 8.2.6 */ { 25, "Gate Status" }, /* Extendable / Subclause 8.2.7 */ { 26, "MBR" }, /* Extendable / Subclause 8.2.8 */ { 27, "GBR" }, /* Extendable / Subclause 8.2.9 */ { 28, "QER Correlation ID" }, /* Extendable / Subclause 8.2.10 */ { 29, "Precedence" }, /* Extendable / Subclause 8.2.11 */ { 30, "DL Transport Level Marking" }, /* Extendable / Subclause 8.2.12 */ { 31, "Volume Threshold" }, /* Extendable /Subclause 8.2.13 */ { 32, "Time Threshold" }, /* Extendable /Subclause 8.2.14 */ { 33, "Monitoring Time" }, /* Extendable /Subclause 8.2.15 */ { 34, "Subsequent Volume Threshold" }, /* Extendable /Subclause 8.2.16 */ { 35, "Subsequent Time Threshold" }, /* Extendable /Subclause 8.2.17 */ { 36, "Inactivity Detection Time" }, /* Extendable /Subclause 8.2.18 */ { 37, "Reporting Triggers" }, /* Extendable /Subclause 8.2.19 */ { 38, "Redirect Information" }, /* Extendable /Subclause 8.2.20 */ { 39, "Report Type" }, /* Extendable / Subclause 8.2.21 */ { 40, "Offending IE" }, /* Fixed / Subclause 8.2.22 */ { 41, "Forwarding Policy" }, /* Extendable / Subclause 8.2.23 */ { 42, "Destination Interface" }, /* Extendable / Subclause 8.2.24 */ { 43, "UP Function Features" }, /* Extendable / Subclause 8.2.25 */ { 44, "Apply Action" }, /* Extendable / Subclause 8.2.26 */ { 45, "Downlink Data Service Information" }, /* Extendable / Subclause 8.2.27 */ { 46, "Downlink Data Notification Delay" }, /* Extendable / Subclause 8.2.28 */ { 47, "DL Buffering Duration" }, /* Extendable / Subclause 8.2.29 */ { 48, "DL Buffering Suggested Packet Count" }, /* Variable / Subclause 8.2.30 */ { 49, "SxSMReq-Flags" }, /* Extendable / Subclause 8.2.31 */ { 50, "SxSRRsp-Flags" }, /* Extendable / Subclause 8.2.32 */ { 51, "Load Control Information" }, /* Extendable / Table 7.5.3.3-1 */ { 52, "Sequence Number" }, /* Fixed Length / Subclause 8.2.33 */ { 53, "Metric" }, /* Fixed Length / Subclause 8.2.34 */ { 54, "Overload Control Information" }, /* Extendable / Table 7.5.3.4-1 */ { 55, "Timer" }, /* Extendable / Subclause 8.2 35 */ { 56, "Packet Detection Rule ID" }, /* Extendable / Subclause 8.2 36 */ { 57, "F-SEID" }, /* Extendable / Subclause 8.2 37 */ { 58, "Application ID's PFDs" }, /* Extendable / Table 7.4.3.1-2 */ { 59, "PFD context" }, /* Extendable / Table 7.4.3.1-3 */ { 60, "Node ID" }, /* Extendable / Subclause 8.2.38 */ { 61, "PFD contents" }, /* Extendable / Subclause 8.2.39 */ { 62, "Measurement Method" }, /* Extendable / Subclause 8.2.40 */ { 63, "Usage Report Trigger" }, /* Extendable / Subclause 8.2.41 */ { 64, "Measurement Period" }, /* Extendable / Subclause 8.2.42 */ { 65, "FQ-CSID" }, /* Extendable / Subclause 8.2.43 */ { 66, "Volume Measurement" }, /* Extendable / Subclause 8.2.44 */ { 67, "Duration Measurement" }, /* Extendable / Subclause 8.2.45 */ { 68, "Application Detection Information" }, /* Extendable / Table 7.5.8.3-2 */ { 69, "Time of First Packet" }, /* Extendable / Subclause 8.2.46 */ { 70, "Time of Last Packet" }, /* Extendable / Subclause 8.2.47 */ { 71, "Quota Holding Time" }, /* Extendable / Subclause 8.2.48 */ { 72, "Dropped DL Traffic Threshold" }, /* Extendable / Subclause 8.2.49 */ { 73, "Volume Quota" }, /* Extendable / Subclause 8.2.50 */ { 74, "Time Quota" }, /* Extendable / Subclause 8.2.51 */ { 75, "Start Time" }, /* Extendable / Subclause 8.2.52 */ { 76, "End Time" }, /* Extendable / Subclause 8.2.53 */ { 77, "Query URR" }, /* Extendable / Table 7.5.4.10-1 */ { 78, "Usage Report (in Session Modification Response)" }, /* Extendable / Table 7.5.5.2-1 */ { 79, "Usage Report (Session Deletion Response)" }, /* Extendable / Table 7.5.7.2-1 */ { 80, "Usage Report (Session Report Request)" }, /* Extendable / Table 7.5.8.3-1 */ { 81, "URR ID" }, /* Extendable / Subclause 8.2.54 */ { 82, "Linked URR ID" }, /* Extendable / Subclause 8.2.55 */ { 83, "Downlink Data Report" }, /* Extendable / Table 7.5.8.2-1 */ { 84, "Outer Header Creation" }, /* Extendable / Subclause 8.2.56 */ { 85, "Create BAR" }, /* Extendable / Table 7.5.2.6-1 */ { 86, "Update BAR (Session Modification Request)" }, /* Extendable / Table 7.5.4.11-1 */ { 87, "Remove BAR" }, /* Extendable / Table 7.5.4.12-1 */ { 88, "BAR ID" }, /* Extendable / Subclause 8.2.57 */ { 89, "CP Function Features" }, /* Extendable / Subclause 8.2.58 */ { 90, "Usage Information" }, /* Extendable / Subclause 8.2.59 */ { 91, "Application Instance ID" }, /* Variable Length / Subclause 8.2.60 */ { 92, "Flow Information" }, /* Extendable / Subclause 8.2.61 */ { 93, "UE IP Address" }, /* Extendable / Subclause 8.2.62 */ { 94, "Packet Rate" }, /* Extendable / Subclause 8.2.63 */ { 95, "Outer Header Removal" }, /* Extendable / Subclause 8.2.64 */ { 96, "Recovery Time Stamp" }, /* Extendable / Subclause 8.2.65 */ { 97, "DL Flow Level Marking" }, /* Extendable / Subclause 8.2.66 */ { 98, "Header Enrichment" }, /* Extendable / Subclause 8.2.67 */ { 99, "Error Indication Report" }, /* Extendable / Table 7.5.8.4-1 */ { 100, "Measurement Information" }, /* Extendable / Subclause 8.2.68 */ { 101, "Node Report Type" }, /* Extendable / Subclause 8.2.69 */ { 102, "User Plane Path Failure Report" }, /* Extendable / Table 7.4.5.1.2-1 */ { 103, "Remote GTP-U Peer" }, /* Extendable / Subclause 8.2.70 */ { 104, "UR-SEQN" }, /* Fixed Length / Subclause 8.2.71 */ { 105, "Update Duplicating Parameters" }, /* Extendable / Table 7.5.4.3-3 */ { 106, "Activate Predefined Rules" }, /* Variable Length / Subclause 8.2.72 */ { 107, "Deactivate Predefined Rules" }, /* Variable Length / Subclause 8.2.73 */ { 108, "FAR ID" }, /* Extendable / Subclause 8.2.74 */ { 109, "QER ID" }, /* Extendable / Subclause 8.2.75 */ { 110, "OCI Flags" }, /* Extendable / Subclause 8.2.76 */ { 111, "Sx Association Release Request" }, /* Extendable / Subclause 8.2.77 */ { 112, "Graceful Release Period" }, /* Extendable / Subclause 8.2.78 */ //113 to 65535 Spare. For future use. {0, NULL} }; static value_string_ext pfcp_ie_type_ext = VALUE_STRING_EXT_INIT(pfcp_ie_type); static void dissect_pfcp_reserved(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_reserved, tvb, 0, length); } /* * 8.2.1 Cause */ static const value_string pfcp_cause_vals[] = { { 0, "Reserved" }, { 1, "Request accepted(success)" }, /* 2 - 63 Spare. */ { 64, "Request rejected(reason not specified)" }, { 65, "Session context not found" }, { 66, "Mandatory IE missing" }, { 67, "Conditional IE missing" }, { 68, "Invalid length" }, { 69, "Mandatory IE incorrect" }, { 70, "Invalid Forwarding Policy" }, { 71, "Invalid F - TEID allocation option" }, { 72, "No established Sx Association" }, { 73, "Rule creation / modification Failure" }, { 74, "PFCP entity in congestion" }, { 75, "No resources available" }, { 76, "Service not supported" }, { 77, "System failure" }, /* 78 to 255 Spare for future use in a response message.See NOTE 2. */ {0, NULL} }; static void dissect_pfcp_cause(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_) { /* Octet 5 Cause value */ proto_tree_add_item(tree, hf_pfcp2_cause, tvb, 0, 1, ENC_BIG_ENDIAN); } /* * 8.2.2 Source Interface */ static const value_string pfcp_source_interface_vals[] = { { 0, "Access" }, { 1, "Core" }, { 2, "SGi-LAN" }, { 3, "CP-function" }, { 0, NULL } }; static void dissect_pfcp_source_interface(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* Octet 5 Spare Interface value */ proto_tree_add_item(tree, hf_pfcp_spare_h1, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item_ret_uint(tree, hf_pfcp_source_interface, tvb, offset, 1, ENC_BIG_ENDIAN, &value); offset += 1; proto_item_append_text(item, "%s", val_to_str_const(value, pfcp_source_interface_vals, "Unknown")); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.3 F-TEID */ static void dissect_pfcp_f_teid(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint64 fteid_flags_val; static const int * pfcp_fteid_flags[] = { &hf_pfcp_fteid_flg_spare, &hf_pfcp_fteid_flg_b2_ch, &hf_pfcp_fteid_flg_b1_v6, &hf_pfcp_fteid_flg_b0_v4, NULL }; /* Octet 5 Spare CH V6 V4*/ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_f_teid_flags, ett_f_teid_flags, pfcp_fteid_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT | BMT_NO_TFS, &fteid_flags_val); offset += 1; /* The following flags are coded within Octet 5: * Bit 1 - V4: If this bit is set to "1" and the CH bit is not set, then the IPv4 address field shall be present, * otherwise the IPv4 address field shall not be present. * Bit 2 - V6: If this bit is set to "1" and the CH bit is not set, then the IPv6 address field shall be present, * otherwise the IPv6 address field shall not be present. * Bit 3 - CH (CHOOSE): If this bit is set to "1", then the TEID, IPv4 address and IPv6 address fields shall not be * present and the UP function shall assign an F-TEID with an IP4 or an IPv6 address if the V4 or V6 bit is set respectively. This bit shall only be set by the CP function. */ if ((fteid_flags_val & 0x4) == 0) { return; } if ((fteid_flags_val & 0x1) == 1) { /* m to (m+3) IPv4 address */ proto_tree_add_item(tree, hf_pfcp_f_teid_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } if ((fteid_flags_val & 0x2) == 2) { /* p to (p+15) IPv6 address */ proto_tree_add_item(tree, hf_pfcp_f_teid_ipv6, tvb, offset, 16, ENC_NA); offset += 16; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.4 PDN Instance */ static void dissect_pfcp_pdn_instance(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; /* Octet 5 5 to (n+4) PDN Instance * The PDN instance field shall be encoded as an OctetString */ proto_tree_add_item(tree, hf_pfcp_pdn_instance, tvb, offset, length, ENC_NA); } /* * 8.2.5 SDF Filter */ static void dissect_pfcp_sdf_filter(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_) { int offset = 0; guint64 flags_val; guint32 fd_length; static const int * pfcp_sdf_filter_flags[] = { &hf_pfcp_spare_h1, &hf_pfcp_sdf_filter_b3_fl, &hf_pfcp_sdf_filter_b2_spi, &hf_pfcp_sdf_filter_b1_ttc, &hf_pfcp_sdf_filter_b0_fd, NULL }; /* Octet 5 Spare FL SPI TTC FD*/ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_sdf_filter_flags, ett_pfcp_sdf_filter_flags, pfcp_sdf_filter_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT | BMT_NO_TFS, &flags_val); offset += 1; /* Octet 6 Spare*/ proto_tree_add_item(tree, hf_pfcp_spare, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if ((flags_val & 0x1) == 1) { /* FD (Flow Description): If this bit is set to "1", * then the Length of Flow Description and the Flow Description fields shall be present */ /* m to (m+1) Length of Flow Description */ proto_tree_add_item_ret_uint(tree, hf_pfcp_flow_desc_len, tvb, offset, 2, ENC_BIG_ENDIAN, &fd_length); offset += 2; /* Flow Description * The Flow Description field, when present, shall be encoded as an OctetString * as specified in subclause 5.4.2 of 3GPP TS 29.212 */ proto_tree_add_item(tree, hf_pfcp_fd, tvb, offset, fd_length, ENC_NA); offset += fd_length; } if ((flags_val & 0x2) == 2) { /* TTC (ToS Traffic Class): If this bit is set to "1", then the ToS Traffic Class field shall be present */ /* ToS Traffic Class field, when present, shall be encoded as an OctetString on two octets * as specified in subclause 5.3.15 of 3GPP TS 29.212 */ proto_tree_add_item(tree, hf_pfcp_ttc, tvb, offset, 2, ENC_NA); offset += 2; } if ((flags_val & 0x4) == 4) { /* SPI (The Security Parameter Index) field, when present, shall be encoded as an OctetString on four octets and shall * contain the IPsec security parameter index (which is a 32-bit field), * as specified in subclause 5.3.51 of 3GPP TS 29.212 */ proto_tree_add_item(tree, hf_pfcp_spi, tvb, offset, 4, ENC_NA); offset += 4; } if ((flags_val & 0x8) == 8) { /* FL (Flow Label), when present, shall be encoded as an OctetString on 3 octets as specified in * subclause 5.3.52 of 3GPP TS 29.212 and shall contain an IPv6 flow label (which is a 20-bit field). * The bits 8 to 5 of the octet "v" shall be spare and set to zero, and the remaining 20 bits shall * contain the IPv6 flow label.*/ proto_tree_add_item(tree, hf_pfcp_fl, tvb, offset, 3, ENC_NA); /*offset += 3;*/ } } /* * 8.2.6 Application ID */ static void dissect_pfcp_application_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; /* Octet 5 to (n+4) Application Identifier * The Application Identifier shall be encoded as an OctetString (see 3GPP TS 29.212) */ proto_tree_add_item(tree, hf_pfcp_application_id, tvb, offset, length, ENC_NA); } /* * 8.2.7 Gate Status */ static const value_string pfcp_gate_status_vals[] = { { 0, "OPEN" }, { 1, "CLOSED" }, { 0, NULL } }; static void dissect_pfcp_gate_status(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_gate_status_flags[] = { &hf_pfcp_gate_status_b3b2_ulgate, &hf_pfcp_gate_status_b0b1_dlgate, NULL }; /* Octet 5 Spare UL Gate DL Gate */ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_gate_status, ett_pfcp_gate_status, pfcp_gate_status_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 1; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.8 MBR */ static void dissect_pfcp_mbr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; /* 5 to 9 UL MBR * The UL/DL MBR fields shall be encoded as kilobits per second (1 kbps = 1000 bps) in binary value */ proto_tree_add_item(tree, hf_pfcp_ul_mbr, tvb, 5, length, ENC_BIG_ENDIAN); offset += 5; /* 10 to 14 DL MBR */ proto_tree_add_item(tree, hf_pfcp_dl_mbr, tvb, 5, length, ENC_BIG_ENDIAN); offset += 5; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.9 GBR */ static void dissect_pfcp_gbr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; /* 5 to 9 UL MBR * The UL/DL MBR fields shall be encoded as kilobits per second (1 kbps = 1000 bps) in binary value */ proto_tree_add_item(tree, hf_pfcp_ul_gbr, tvb, 5, length, ENC_BIG_ENDIAN); offset += 5; /* 10 to 14 DL MBR */ proto_tree_add_item(tree, hf_pfcp_dl_gbr, tvb, 5, length, ENC_BIG_ENDIAN); offset += 5; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.10 QER Correlation ID */ static void dissect_pfcp_qer_correlation_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* 5 to 8 QER Correlation ID value */ proto_tree_add_item_ret_uint(tree, hf_pfcp_qer_correlation_id, tvb, offset, 4, ENC_BIG_ENDIAN, &value); offset += 4; proto_item_append_text(item, "%u", value); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.11 Precedence */ static void dissect_pfcp_precedence(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* Octet 5 5 to 8 Precedence value */ proto_tree_add_item_ret_uint(tree, hf_pfcp_precedence, tvb, offset, 4, ENC_BIG_ENDIAN, &value); offset += 4; proto_item_append_text(item, "%u", value); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.12 DL Transport Level Marking */ static void dissect_pfcp_dl_transport_level_marking(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; /* Octet 5 to 6 ToS/Traffic Class * The ToS/Traffic Class shall be encoded on two octets as an OctetString. * The first octet shall contain the IPv4 Type-of-Service or the IPv6 Traffic-Class field and the second octet shall contain the ToS/Traffic Class mask field */ proto_tree_add_item(tree, hf_pfcp_tos_traf_class, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.13 Volume Threshold */ static void dissect_pfcp_volume_threshold(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint64 flags_val; static const int * pfcp_volume_threshold_flags[] = { &hf_pfcp_spare_b7_b3, &hf_pfcp_b2_dlvol, &hf_pfcp_b1_ulvol, &hf_pfcp_b0_tovol, NULL }; /* Octet 5 Spare DLVOL ULVOL TOVOL*/ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_volume_threshold, ett_pfcp_volume_threshold, pfcp_volume_threshold_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &flags_val); offset += 1; /* The Total Volume, Uplink Volume and Downlink Volume fields shall be encoded as an Unsigned64 binary integer value. * They shall contain the total, uplink or downlink number of octets respectively. */ if ((flags_val & 0x1) == 1) { /* m to (m+7) Total Volume * TOVOL: If this bit is set to "1", then the Total Volume field shall be present */ proto_tree_add_item(tree, hf_pfcp_volume_threshold_tovol, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if ((flags_val & 0x2) == 2) { /* p to (p+7) Uplink Volume * ULVOL: If this bit is set to "1", then the Uplink Volume field shall be present */ proto_tree_add_item(tree, hf_pfcp_volume_threshold_ulvol, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if ((flags_val & 0x4) == 4) { /* q to (q+7) Downlink Volume * DLVOL: If this bit is set to "1", then the Downlink Volume field shall be present */ proto_tree_add_item(tree, hf_pfcp_volume_threshold_dlvol, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.14 Time Threshold */ static void dissect_pfcp_time_threshold(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint value; /* Octet 5 to 8 Time Threshold * The Time Threshold field shall be encoded as an Unsigned32 binary integer value. * It shall contain the duration in seconds. */ proto_tree_add_item_ret_uint(tree, hf_pfcp_time_threshold, tvb, offset, 4, ENC_BIG_ENDIAN, &value); offset += 4; proto_item_append_text(item, "%u s", value); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.15 Monitoring Time */ static void dissect_pfcp_monitoring_time(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { const gchar *time_str; int offset = 0; /* The Monitoring Time field shall indicate the monitoring time in UTC time. * 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. */ time_str = tvb_ntp_fmt_ts_sec(tvb, 0); proto_tree_add_string(tree, hf_pfcp_monitoring_time, tvb, offset, 4, time_str); proto_item_append_text(item, "%s", time_str); offset += 4; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.16 Subsequent Volume Threshold */ static void dissect_pfcp_subseq_volume_threshold(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint64 flags_val; static const int * pfcp_subseq_volume_threshold_flags[] = { &hf_pfcp_spare_b7_b3, &hf_pfcp_subseq_volume_threshold_b2_dlvol, &hf_pfcp_subseq_volume_threshold_b1_ulvol, &hf_pfcp_subseq_volume_threshold_b0_tovol, NULL }; /* Octet 5 Spare DLVOL ULVOL TOVOL*/ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_subseq_volume_threshold, ett_pfcp_subseq_volume_threshold, pfcp_subseq_volume_threshold_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &flags_val); offset += 1; /* The Total Volume, Uplink Volume and Downlink Volume fields shall be encoded as an Unsigned64 binary integer value. * They shall contain the total, uplink or downlink number of octets respectively. */ if ((flags_val & 0x1) == 1) { /* m to (m+7) Total Volume * TOVOL: If this bit is set to "1", then the Total Volume field shall be present */ proto_tree_add_item(tree, hf_pfcp_subseq_volume_threshold_tovol, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if ((flags_val & 0x2) == 2) { /* p to (p+7) Uplink Volume * ULVOL: If this bit is set to "1", then the Uplink Volume field shall be present */ proto_tree_add_item(tree, hf_pfcp_subseq_volume_threshold_ulvol, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if ((flags_val & 0x4) == 4) { /* q to (q+7) Downlink Volume * DLVOL: If this bit is set to "1", then the Downlink Volume field shall be present */ proto_tree_add_item(tree, hf_pfcp_subseq_volume_threshold_dlvol, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.17 Subsequent Time Threshold */ static void dissect_pfcp_subsequent_time_threshold(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* 5 to 8 Subsequent Time Threshold */ proto_tree_add_item_ret_uint(tree, hf_pfcp_subsequent_time_threshold, tvb, offset, 4, ENC_BIG_ENDIAN, &value); offset += 4; proto_item_append_text(item, "%u s", value); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.18 Inactivity Detection Time */ static void dissect_pfcp_inactivity_detection_time(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* 5 to 8 Inactivity Detection Time */ proto_tree_add_item_ret_uint(tree, hf_pfcp_inactivity_detection_time, tvb, offset, 4, ENC_BIG_ENDIAN, &value); offset += 4; proto_item_append_text(item, "%u s", value); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.19 Reporting Triggers */ static void dissect_pfcp_reporting_triggers(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_reporting_triggers_flags[] = { &hf_pfcp_b9_timqu, &hf_pfcp_b8_volqu, &hf_pfcp_b7_liusa, &hf_pfcp_b6_droth, &hf_pfcp_b5_stopt, &hf_pfcp_b4_start, &hf_pfcp_b3_quhti, &hf_pfcp_b2_timth, &hf_pfcp_b1_volth, &hf_pfcp_b0_perio, NULL }; /* Octet 5 LIUSA DROTH STOPT START QUHTI TIMTH VOLTH PERIO*/ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_reporting_triggers, ett_pfcp_reporting_triggers, pfcp_reporting_triggers_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 2; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.20 Redirect Information */ static const value_string pfcp_redirect_address_type_vals[] = { { 0, "IPv4 address" }, { 1, "IPv6 address" }, { 2, "URL" }, { 3, "SIP URI" }, { 0, NULL } }; static void dissect_pfcp_redirect_information(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value, addr_len; /* Octet Spare Redirect Address Type */ proto_tree_add_item(tree, hf_pfcp_spare_h1, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item_ret_uint(tree, hf_pfcp_redirect_address_type, tvb, offset, 1, ENC_BIG_ENDIAN, &value); offset++; /* 6-7 Redirect Server Address Length=a */ proto_tree_add_item_ret_uint(tree, hf_pfcp_redirect_server_addr_len, tvb, offset, 2, ENC_BIG_ENDIAN, &addr_len); offset+=2; /* 8-(8+a) Redirect Server Address */ proto_tree_add_item(tree, hf_pfcp_redirect_server_address, tvb, offset, addr_len, ENC_UTF_8 | ENC_NA); offset += addr_len; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.21 Report Type */ static void dissect_pfcp_report_type(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_report_type_flags[] = { &hf_pfcp_spare_b7_b3, &hf_pfcp_b2_erir, &hf_pfcp_b1_usar, &hf_pfcp_b0_dldr, NULL }; /* Octet 5 Spare ERIR USAR DLDR */ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_report_type, ett_pfcp_report_type, pfcp_report_type_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 1; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.22 Offending IE */ static void dissect_pfcp_offending_ie(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_) { guint32 value; /* Octet 5 to 6 Type of the offending IE */ proto_tree_add_item_ret_uint(tree, hf_pfcp_offending_ie, tvb, 0, 2, ENC_BIG_ENDIAN, &value); proto_item_append_text(item, "%s", val_to_str_const(value, pfcp_ie_type, "Unknown")); } /* * 8.2.23 Forwarding Policy */ static void dissect_pfcp_forwarding_policy(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 id_len; /* Octet Forwarding Policy Identifier Length */ proto_tree_add_item_ret_uint(tree, hf_pfcp_forwarding_policy_id_len, tvb, offset, 1, ENC_BIG_ENDIAN, &id_len); offset += 1; proto_tree_add_item(tree, hf_pfcp_forwarding_policy_id, tvb, offset, id_len, ENC_NA); offset += id_len; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.24 Destination Interface */ static const value_string pfcp_dst_interface_vals[] = { { 0, "Access" }, { 1, "Core" }, { 2, "SGi-LAN" }, { 3, "CP- Function" }, { 4, "LI Function" }, { 0, NULL } }; static void dissect_pfcp_destination_interface(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* Octet 5 Spare Interface value*/ proto_tree_add_item(tree, hf_pfcp_spare_h1, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item_ret_uint(tree, hf_pfcp_dst_interface, tvb, offset, 1, ENC_BIG_ENDIAN, &value); offset++; proto_item_append_text(item, "%s", val_to_str_const(value, pfcp_dst_interface_vals, "Unknown")); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.25 UP Function Features */ static void dissect_pfcp_up_function_features(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_up_function_features_flags[] = { &hf_pfcp_b8_empu, &hf_pfcp_b7_treu, &hf_pfcp_b6_heeu, &hf_pfcp_b5_pfdm, &hf_pfcp_b4_ftup, &hf_pfcp_b3_trst, &hf_pfcp_b2_dlbd, &hf_pfcp_b1_ddnd, &hf_pfcp_b0_bucp, NULL }; /* Octet 5 LIUSA DROTH STOPT START QUHTI TIMTH VOLTH PERIO*/ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_up_function_features, ett_pfcp_up_function_features, pfcp_up_function_features_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 2; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.26 Apply Action */ static void dissect_pfcp_apply_action(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_apply_action_flags[] = { &hf_pfcp_spare_b7_b5, &hf_pfcp_apply_action_b4_dupl, &hf_pfcp_apply_action_b3_nocp, &hf_pfcp_apply_action_b2_buff, &hf_pfcp_apply_action_b1_forw, &hf_pfcp_apply_action_b0_drop, NULL }; /* Octet 5 Spare Spare Spare DUPL NOCP BUFF FORW DROP */ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_apply_action_flags, ett_pfcp_apply_action_flags, pfcp_apply_action_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT | BMT_NO_TFS); offset += 1; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.27 Downlink Data Service Information */ static void dissect_pfcp_dl_data_service_inf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint64 flags; static const int * pfcp_dl_data_service_inf_flags[] = { &hf_pfcp_spare_b7_b1, &hf_pfcp_b0_ppi, NULL }; /* Octet 5 Spare PPI */ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_pfcp_dl_data_service_inf_flags, ett_pfcp_dl_data_service_inf, pfcp_dl_data_service_inf_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT | BMT_NO_TFS, &flags); offset += 1; /* The PPI flag in octet 5 indicates whether the Paging Policy Indication value in octet 'm' shall be present */ if ((flags & 0x1) == 1) { /* m Spare Paging Policy Indication value * encoded as the DSCP in TOS (IPv4) or TC (IPv6) information received in the IP payload of the GTP-U packet * from the PGW (see IETF RFC 2474 */ proto_tree_add_item(tree, hf_pfcp_spare_b7_b6, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_pfcp_ppi, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.28 Downlink Data Notification Delay */ static void dissect_pfcp_dl_data_notification_delay(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* Octet 5 Delay Value in integer multiples of 50 millisecs, or zero */ proto_tree_add_item_ret_uint(tree, hf_pfcp_dl_data_notification_delay, tvb, offset, 1, ENC_BIG_ENDIAN, &value); offset += 1; proto_item_append_text(item, "%u ms", value * 50); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.29 DL Buffering Duration */ static const value_string pfcp_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, "values shall be interpreted as multiples of 1 minute(version 14.0.0)" }, { 6, "values shall be interpreted as multiples of 1 minute(version 14.0.0)" }, { 7, "value indicates that the timer is infinite" }, { 0, NULL } }; static void dissect_pfcp_dl_buffering_dur(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_) { int offset = 0; guint32 unit, value; /* Octet 5 Timer unit Timer value */ proto_tree_add_item_ret_uint(tree, hf_pfcp_timer_unit, tvb, offset, 1, ENC_BIG_ENDIAN, &unit); proto_tree_add_item_ret_uint(tree, hf_pfcp_timer_value, tvb, offset, 1, ENC_BIG_ENDIAN, &value); offset++; unit = unit >> 5; switch (unit) { case 0: proto_item_append_text(item, "%u s", value * 2); break; case 1: proto_item_append_text(item, "%u min", value); break; case 2: proto_item_append_text(item, "%u min", value * 10); break; case 3: proto_item_append_text(item, "%u hours", value); break; case 4: proto_item_append_text(item, "%u hours", value * 10); break; case 7: proto_item_append_text(item, "%u Infinite", value); break; /* Value 5 and 6 */ default: proto_item_append_text(item, "%u min", value * 10); break; } if ((unit != 7) && (value == 0)) { proto_item_append_text(item, " Stopped"); } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.30 DL Buffering Suggested Packet Count */ static void dissect_pfcp_dl_buffering_suggested_packet_count(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { /* Octet 5 to n+4 Packet Count Value * The length shall be set to 1 or 2 octets. */ proto_tree_add_item(tree, hf_pfcp_packet_count, tvb, 0, length, ENC_BIG_ENDIAN); } /* * 8.2.31 SxSMReq-Flags */ static void dissect_pfcp_sxsmreq_flags(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_sxsmreq_flags[] = { &hf_pfcp_spare_b7_b2, &hf_pfcp_b1_sndem, &hf_pfcp_b0_drobu, NULL }; /* Octet 5 Spare Spare Spare Spare Spare Spare SNDEM DROBU */ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_sxsmreq_flags, ett_pfcp_sxsmreq, pfcp_sxsmreq_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 1; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.32 SxSRRsp-Flags */ static void dissect_pfcp_sxsrrsp_flags(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_sxsrrsp_flags[] = { &hf_pfcp_spare_b7_b1, &hf_pfcp_b0_drobu, NULL }; /* Octet 5 Spare Spare Spare Spare Spare Spare Spare DROBU */ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_sxsrrsp_flags, ett_pfcp_sxsrrsp, pfcp_sxsrrsp_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 1; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.33 Sequence Number */ static void dissect_pfcp_sequence_number(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_) { guint32 value; /* Octet 5 to 8 Sequence Number */ proto_tree_add_item_ret_uint(tree, hf_pfcp_sequence_number, tvb, 0, 4, ENC_BIG_ENDIAN, &value); proto_item_append_text(item, "%u", value); } /* * 8.2.34 Metric */ static void dissect_pfcp_metric(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_) { guint32 value; /* Octet 5 Metric */ proto_tree_add_item_ret_uint(tree, hf_pfcp_metric, tvb, 0, 1, ENC_BIG_ENDIAN, &value); proto_item_append_text(item, "%u", value); } /* * 8.2.35 Timer */ static void dissect_pfcp_timer(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_) { int offset = 0; guint32 unit, value; /* Octet 5 Timer unit Timer value */ proto_tree_add_item_ret_uint(tree, hf_pfcp_timer_unit, tvb, offset, 1, ENC_BIG_ENDIAN, &unit); proto_tree_add_item_ret_uint(tree, hf_pfcp_timer_value, tvb, offset, 1, ENC_BIG_ENDIAN, &value); offset++; unit = unit >> 5; switch (unit) { case 0: proto_item_append_text(item, "%u s", value * 2); break; case 1: proto_item_append_text(item, "%u min", value); break; case 2: proto_item_append_text(item, "%u min", value * 10); break; case 3: proto_item_append_text(item, "%u hours", value); break; case 4: proto_item_append_text(item, "%u hours", value * 10); break; case 7: proto_item_append_text(item, "%u Infinite", value); break; /* Value 5 and 6 */ default: proto_item_append_text(item, "%u min", value * 10); break; } if ((unit != 7) && (value == 0)) { proto_item_append_text(item, " Stopped"); } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.36 Packet Detection Rule ID (PDR ID) */ static void dissect_pfcp_pdr_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 rule_id; /* Octet 5 to 6 Rule ID*/ proto_tree_add_item_ret_uint(tree, hf_pfcp_pdr_id, tvb, offset, 2, ENC_BIG_ENDIAN, &rule_id); offset += 2; proto_item_append_text(item, "%u", rule_id); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.37 F-SEID */ static void dissect_pfcp_f_seid(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint64 f_seid_flags; static const int * pfcp_f_seid_flags[] = { &hf_pfcp_spare_b7, &hf_pfcp_spare_b6, &hf_pfcp_spare_b5, &hf_pfcp_spare_b4, &hf_pfcp_spare_b3, &hf_pfcp_spare_b2, &hf_pfcp_b1_v4, &hf_pfcp_b0_v6, NULL }; /* Octet 5 Spare Spare Spare Spare Spare Spare V4 V6*/ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_f_seid_flags, ett_pfcp_f_seid_flags, pfcp_f_seid_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &f_seid_flags); offset += 1; if ((f_seid_flags & 0x3) == 0) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_encoding_error, tvb, 0, 1); return; } /* Octet 6 to 13 SEID */ proto_tree_add_item(tree, hf_pfcp_seid, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; /* IPv4 address (if present)*/ if ((f_seid_flags & 0x2) == 2) { proto_tree_add_item(tree, hf_pfcp_f_seid_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } /* IPv6 address (if present)*/ if ((f_seid_flags & 0x1) == 1) { proto_tree_add_item(tree, hf_pfcp_f_seid_ipv6, tvb, offset, 16, ENC_NA); offset += 16; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.38 Node ID */ static const value_string pfcp_node_id_type_vals[] = { { 0, "IPv4 address" }, { 1, "IPv6 address" }, { 2, "FQDN" }, { 0, NULL } }; static void dissect_pfcp_node_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0, name_len, tmp; guint32 node_id_type; guint8 *fqdn = NULL; /* Octet 5 Spare Node ID Type*/ proto_tree_add_item(tree, hf_pfcp_spare_h1, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item_ret_uint(tree, hf_pfcp_node_id_type, tvb, offset, 1, ENC_BIG_ENDIAN, &node_id_type); offset++; switch (node_id_type) { case 0: /* IPv4 address */ proto_tree_add_item(tree, hf_pfcp_node_id_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); proto_item_append_text(item, "IPv4 %s", tvb_ip_to_str(tvb, offset)); offset += 4; break; case 1: /* IPv4 address */ proto_tree_add_item(tree, hf_pfcp_node_id_ipv6, tvb, offset, 16, ENC_NA); proto_item_append_text(item, "IPv6 %s", tvb_ip6_to_str(tvb, offset)); offset += 16; break; case 2: /* FQDN, the Node ID value encoding shall be identical to the encoding of a FQDN * within a DNS message of section 3.1 of IETF RFC 1035 [27] but excluding the trailing zero byte. */ if (length > 0) { name_len = tvb_get_guint8(tvb, offset); if (name_len < 0x20) { fqdn = tvb_get_string_enc(wmem_packet_scope(), tvb, offset + 1, length - 1, ENC_ASCII); for (;;) { if (name_len >= length - 1) break; tmp = name_len; name_len = name_len + fqdn[tmp] + 1; fqdn[tmp] = '.'; } } else { fqdn = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, length, ENC_ASCII); } proto_tree_add_string(tree, hf_pfcp_node_id_fqdn, tvb, offset, length, fqdn); proto_item_append_text(item, "%s", fqdn); offset += length; } break; default: break; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.39 PFD Contents */ static void dissect_pfcp_pfd_contents(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint64 flags; guint32 len; static const int * pfcp_pfd_contents_flags[] = { &hf_pfcp_spare_b7_b4, &hf_pfcp_b3_cp, &hf_pfcp_b2_dn, &hf_pfcp_b1_url, &hf_pfcp_b0_fd, NULL }; /* Octet 5 Spare CP DN URL FD*/ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_pfd_contents_flags, ett_pfcp_measurement_method_flags, pfcp_pfd_contents_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &flags); offset += 1; /* Bit 1 - FD (Flow Description): If this bit is set to "1", then the Length of Flow Description * and the Flow Description fields shall be present */ if ((flags & 0x1) == 1) { /* The Flow Description field, when present, shall be encoded as an OctetString * as specified in subclause 6.4.3.7 of 3GPP TS 29.251 */ /* m to (m+1) Length of Flow Description */ proto_tree_add_item_ret_uint(tree, hf_pfcp_flow_desc_len, tvb, offset, 2, ENC_BIG_ENDIAN, &len); offset += 2; /* (m+2) to p Flow Description */ proto_tree_add_item(tree, hf_pfcp_fd, tvb, offset, len, ENC_NA); offset += len; } /* Bit 2 - URL (URL): If this bit is set to "1", then the Length of URL and the URL fields shall be present */ if ((flags & 0x2) == 2) { /* q to (q+1) Length of URL */ proto_tree_add_item_ret_uint(tree, hf_pfcp_url_len, tvb, offset, 2, ENC_BIG_ENDIAN, &len); offset += 2; /* (q+2) to r URL */ proto_tree_add_item(tree, hf_pfcp_url, tvb, offset, len, ENC_NA); offset += len; } /* Bit 3 - DN (Domain Name): If this bit is set to "1", then the Length of Domain Name and * the Domain Name fields shall be present */ if ((flags & 0x4) == 4) { /* s to (s+1) Length of Domain Name */ proto_tree_add_item_ret_uint(tree, hf_pfcp_dn_len, tvb, offset, 2, ENC_BIG_ENDIAN, &len); offset += 2; /* (s+2) to t Domain Name */ proto_tree_add_item(tree, hf_pfcp_dn, tvb, offset, len, ENC_NA); offset += len; } /* Bit 4 - CP (Custom PFD Content): If this bit is set to "1", then the Length of Custom PFD Content and * the Custom PFD Content fields shall be present */ if ((flags & 0x8) == 8) { /* u to (u+1) Length of Custom PFD Content */ proto_tree_add_item_ret_uint(tree, hf_pfcp_cp_len, tvb, offset, 2, ENC_BIG_ENDIAN, &len); offset += 2; /* (u+2) to v Custom PFD Content */ proto_tree_add_item(tree, hf_pfcp_cp, tvb, offset, len, ENC_NA); offset += len; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.40 Measurement Method */ static void dissect_pfcp_measurement_method(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_measurement_method_flags[] = { &hf_pfcp_spare_b7_b3, &hf_pfcp_b2_event, &hf_pfcp_b1_volume, &hf_pfcp_b0_durat, NULL }; /* Octet 5 Spare Spare Spare Spare Spare EVENT VOLUM DURAT*/ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_measurement_method_flags, ett_pfcp_measurement_method_flags, pfcp_measurement_method_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 1; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.41 Usage Report Trigger */ static void dissect_pfcp_usage_report_trigger(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_usage_report_trigger_flags[] = { &hf_pfcp_b10_liusa, &hf_pfcp_b9_timqu, &hf_pfcp_b8_volqu, &hf_pfcp_b7_immer, &hf_pfcp_b6_droth, &hf_pfcp_b5_stopt, &hf_pfcp_b4_start, &hf_pfcp_b3_quhti, &hf_pfcp_b2_timth, &hf_pfcp_b1_volth, &hf_pfcp_b0_perio, NULL }; /* Octet 5 IMMER DROTH STOPT START QUHTI TIMTH VOLTH PERIO*/ /* Octet 6 Spare Spare Spare Spare Spare LIUSA TIMQU VOLQU*/ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_usage_report_trigger, ett_pfcp_report_trigger, pfcp_usage_report_trigger_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 2; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.42 Measurement Period */ static void dissect_pfcp_measurement_period(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* 5 to 8 Measurement Period*/ proto_tree_add_item_ret_uint(tree, hf_pfcp_measurement_period, tvb, offset, 4, ENC_BIG_ENDIAN, &value); offset += 4; proto_item_append_text(item, "%u", value); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.43 Fully qualified PDN Connection Set Identifier (FQ-CSID) */ static const value_string pfcp_fq_csid_node_id_type_vals[] = { { 0, "Node-Address is a global unicast IPv4 address" }, { 1, "Node-Address is a global unicast IPv6 address" }, { 2, "Node-Address is a 4 octets long field" }, { 0, NULL } }; static void dissect_pfcp_fq_csid(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 node_id_type, num_csid; /* Octet 5 FQ-CSID Node-ID Type Number of CSIDs= m*/ proto_tree_add_item_ret_uint(tree, hf_pfcp_fq_csid_node_id_type, tvb, offset, 1, ENC_BIG_ENDIAN, &node_id_type); proto_tree_add_item_ret_uint(tree, hf_pfcp_num_csid, tvb, offset, 1, ENC_BIG_ENDIAN, &num_csid); offset++; /* 6 to p Node-Address */ switch (node_id_type) { case 0: /* 0 indicates that Node-Address is a global unicast IPv4 address and p = 9 */ proto_tree_add_item(tree, hf_pfcp_fq_csid_node_id_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; break; case 1: /* 1 indicates that Node-Address is a global unicast IPv6 address and p = 21 */ proto_tree_add_item(tree, hf_pfcp_fq_csid_node_id_ipv6, tvb, offset, 16, ENC_NA); offset += 16; break; case 2: /* 2 indicates that Node-Address is a 4 octets long field with a 32 bit value stored in network order, and p= 9 * 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-C, SGW-U, PGW-C or PGW-U */ proto_tree_add_item(tree, hf_pfcp_fq_csid_node_id_mcc_mnc, tvb, offset, 4, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_pfcp_fq_csid_node_id_int, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; break; default: proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); break; } while (num_csid > 0) { proto_tree_add_item(tree, hf_pfcp_fq_csid, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 2; num_csid--; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.44 Volume Measurement */ static void dissect_pfcp_volume_measurement(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint64 flags; static const int * pfcp_volume_measurement_flags[] = { &hf_pfcp_spare_b7_b3, &hf_pfcp_b2_dlvol, &hf_pfcp_b1_ulvol, &hf_pfcp_b0_tovol, NULL }; /* Octet 5 Spare DLVOL ULVOL TOVOL*/ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_volume_measurement, ett_pfcp_volume_measurement, pfcp_volume_measurement_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &flags); offset += 1; /* Bit 1 - TOVOL: If this bit is set to "1", then the Total Volume field shall be present*/ if ((flags & 0x1) == 1) { /* m to (m+7) Total Volume */ proto_tree_add_item(tree, hf_pfcp_vol_meas_tovol, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } /* Bit 2 - ULVOL: If this bit is set to "1", then the Total Volume field shall be present*/ if ((flags & 0x2) == 2) { /* p to (p+7) Uplink Volume */ proto_tree_add_item(tree, hf_pfcp_vol_meas_ulvol, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } /* Bit 3 - DLVOL: If this bit is set to "1", then the Total Volume field shall be present*/ if ((flags & 0x4) == 4) { /*q to (q+7) Downlink Volume */ proto_tree_add_item(tree, hf_pfcp_vol_meas_dlvol, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.45 Duration Measurement */ static void dissect_pfcp_duration_measurement(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* 5 to 8 Duration value*/ proto_tree_add_item_ret_uint(tree, hf_pfcp_duration_measurement, tvb, offset, 4, ENC_BIG_ENDIAN, &value); offset += 4; proto_item_append_text(item, "%u s", value); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.46 Time of First Packet */ static void dissect_pfcp_time_of_first_packet(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; const gchar *time_str; /* 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 */ time_str = tvb_ntp_fmt_ts_sec(tvb, 0); proto_tree_add_string(tree, hf_pfcp_time_of_first_packet, tvb, offset, 4, time_str); proto_item_append_text(item, "%s", time_str); offset += 4; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.47 Time of Last Packet */ static void dissect_pfcp_time_of_last_packet(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; const gchar *time_str; /* 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 */ time_str = tvb_ntp_fmt_ts_sec(tvb, 0); proto_tree_add_string(tree, hf_pfcp_time_of_last_packet, tvb, offset, 4, time_str); proto_item_append_text(item, "%s", time_str); offset += 4; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.48 Quota Holding Time */ static void dissect_pfcp_quota_holding_time(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* Octet 5 to 8 Time Quota value * TThe Time Quota value shall be encoded as an Unsigned32 binary integer value. It contains a duration in seconds */ proto_tree_add_item_ret_uint(tree, hf_pfcp_quota_holding_time, tvb, offset, 4, ENC_BIG_ENDIAN, &value); offset += 4; proto_item_append_text(item, "%u s", value); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.49 Dropped DL Traffic Threshold */ static void dissect_pfcp_dropped_dl_traffic_threshold(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint64 flags_val; static const int * pfcp_dropped_dl_traffic_threshold_flags[] = { &hf_pfcp_dropped_dl_traffic_threshold_b0_dlpa, NULL }; /* Octet 5 Spare DLPA*/ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_dropped_dl_traffic_threshold, ett_pfcp_dropped_dl_traffic_threshold, pfcp_dropped_dl_traffic_threshold_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &flags_val); offset += 1; if ((flags_val & 0x1) == 1) { /* m to (m+7) Downlink Packets * DLPA: If this bit is set to "1", then the Downlink Packets field shall be present */ proto_tree_add_item(tree, hf_pfcp_downlink_packets, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.50 Volume Quota */ static void dissect_pfcp_volume_quota(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint64 flags_val; static const int * pfcp_volume_quota_flags[] = { &hf_pfcp_spare_b7_b3, &hf_pfcp_b2_dlvol, &hf_pfcp_b1_ulvol, &hf_pfcp_b0_tovol, NULL }; /* Octet 5 Spare DLVOL ULVOL TOVOL*/ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_volume_quota, ett_pfcp_volume_quota, pfcp_volume_quota_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &flags_val); offset += 1; /* The Total Volume, Uplink Volume and Downlink Volume fields shall be encoded as an Unsigned64 binary integer value. * They shall contain the total, uplink or downlink number of octets respectively. */ if ((flags_val & 0x1) == 1) { /* m to (m+7) Total Volume * TOVOL: If this bit is set to "1", then the Total Volume field shall be present */ proto_tree_add_item(tree, hf_pfcp_volume_quota_tovol, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if ((flags_val & 0x2) == 2) { /* p to (p+7) Uplink Volume * ULVOL: If this bit is set to "1", then the Uplink Volume field shall be present */ proto_tree_add_item(tree, hf_pfcp_volume_quota_ulvol, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if ((flags_val & 0x4) == 4) { /* q to (q+7) Downlink Volume * DLVOL: If this bit is set to "1", then the Downlink Volume field shall be present */ proto_tree_add_item(tree, hf_pfcp_volume_quota_dlvol, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.51 Time Quota */ static void dissect_pfcp_time_quota(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* Octet 5 to 8 Time Quota value * TThe Time Quota value shall be encoded as an Unsigned32 binary integer value. It contains a duration in seconds */ proto_tree_add_item_ret_uint(tree, hf_pfcp_time_quota, tvb, offset, 4, ENC_BIG_ENDIAN, &value); offset += 4; proto_item_append_text(item, "%u s", value); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.52 Start Time */ static void dissect_pfcp_start_time(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { const gchar *time_str; int offset = 0; /* The Start Time field shall contain a UTC time. 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 [26]. */ time_str = tvb_ntp_fmt_ts_sec(tvb, 0); proto_tree_add_string(tree, hf_pfcp_start_time, tvb, offset, 4, time_str); proto_item_append_text(item, "%s", time_str); offset += 4; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.53 End Time */ static void dissect_pfcp_end_time(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { const gchar *time_str; int offset = 0; /* The End Time field shall contain a UTC time. 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 [26]. */ time_str = tvb_ntp_fmt_ts_sec(tvb, 0); proto_tree_add_string(tree, hf_pfcp_end_time, tvb, offset, 4, time_str); proto_item_append_text(item, "%s", time_str); offset += 4; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.54 URR ID */ static void dissect_pfcp_urr_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 urr_id; /* Octet 5 to 8 URR ID value * The bit 8 of octet 5 is used to indicate if the Rule ID is dynamically allocated by the CP function * or predefined in the UP function. If set to 0, it indicates that the Rule is dynamically provisioned * by the CP Function. If set to 1, it indicates that the Rule is predefined in the UP Function */ proto_tree_add_item(tree, hf_pfcp_urr_id_flg, tvb, offset, 4, ENC_BIG_ENDIAN); proto_tree_add_item_ret_uint(tree, hf_pfcp_urr_id, tvb, offset, 4, ENC_BIG_ENDIAN, &urr_id); offset += 4; proto_item_append_text(item, "%s %u", ((urr_id & 80000000) ? pfcp_id_predef_dynamic_tfs.true_string : pfcp_id_predef_dynamic_tfs.false_string), (urr_id & 0x7fffffff)); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.55 Linked URR ID IE */ static void dissect_pfcp_linked_urr_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* Octet 5 to 8 Linked URR ID value * The Linked URR ID value shall be encoded as an Unsigned32 binary integer value */ proto_tree_add_item_ret_uint(tree, hf_pfcp_linked_urr_id, tvb, offset, 4, ENC_BIG_ENDIAN, &value); offset += 4; proto_item_append_text(item, "%u s", value); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.56 Outer Header Creation */ static const value_string pfcp_outer_hdr_desc_vals[] = { { 0, "GTP-U/UDP/IPv4 " }, { 1, "GTP-U/UDP/IPv6 " }, { 2, "UDP/IPv4 " }, { 3, "UDP/IPv6 " }, { 0, NULL } }; static void dissect_pfcp_outer_header_creation(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* Octet 5 Outer Header Creation Description */ proto_tree_add_item_ret_uint(tree, hf_pfcp_outer_hdr_desc, tvb, offset, 1, ENC_BIG_ENDIAN, &value); offset += 1; /* m to (m+3) TEID * The TEID field shall be present if the Outer Header Creation Description requests the creation of a GTP-U header. * Otherwise it shall not be present */ if ((value == 0) || (value == 1)) { proto_tree_add_item(tree, hf_pfcp_outer_hdr_creation_teid, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } /* The IPv4 Address field shall be present if the Outer Header Creation Description requests the creation of a IPv4 header */ if ((value == 0) || (value == 2)) { proto_tree_add_item(tree, hf_pfcp_outer_hdr_creation_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } /* The IPv6 Address field shall be present if the Outer Header Creation Description requests the creation of a IPv6 header */ if ((value == 1) || (value == 3)) { proto_tree_add_item(tree, hf_pfcp_outer_hdr_creation_ipv6, tvb, offset, 16, ENC_NA); offset += 16; } /* The Port Number field shall be present if the Outer Header Creation Description requests the creation of a UDP/IP header */ if ((value == 0) || (value == 2)) { proto_tree_add_item(tree, hf_pfcp_outer_hdr_creation_port, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.57 BAR ID */ static void dissect_pfcp_bar_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; /* Octet 5 BAR ID value * The BAR ID value shall be encoded as a binary integer value */ proto_tree_add_item(tree, hf_pfcp_bar_id, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.58 CP Function Features */ static void dissect_pfcp_cp_function_features(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_cp_function_features_flags[] = { &hf_pfcp_b1_ovrl, &hf_pfcp_b0_load, NULL }; /* Octet 5 * 5/1 LOAD * 5/2 OVRL */ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_cp_function_features, ett_pfcp_cp_function_features, pfcp_cp_function_features_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 1; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.59 Usage Information */ static void dissect_pfcp_usage_information(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_usage_information_flags[] = { &hf_pfcp_spare_h1, &hf_pfcp_b3_ube, &hf_pfcp_b2_uae, &hf_pfcp_b1_aft, &hf_pfcp_b0_bef, NULL }; /* Octet 5 Spare UBE UAE AFT BEF */ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_usage_information, ett_pfcp_usage_information, pfcp_usage_information_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 1; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.60 Application Instance ID */ static void dissect_pfcp_application_instance_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { /* Octet 5 5 to (n+4) Application Instance Identifier * The Application Instance Identifier shall be encoded as an OctetString (see 3GPP TS 29.212) */ proto_tree_add_item(tree, hf_pfcp_application_instance_id, tvb, 0, length, ENC_NA); } /* * 8.2.61 Flow Information */ static const value_string pfcp_flow_dir_vals[] = { { 0, "Unspecified" }, { 1, "Downlink (traffic to the UE)" }, { 2, "Uplink (traffic from the UE)" }, { 3, "Bidirectional" }, { 0, NULL } }; static void dissect_pfcp_flow_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 len; /* Octet 5 Spare Flow Direction */ proto_tree_add_item(tree, hf_pfcp_spare_b7_b3, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_pfcp_flow_dir, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; /* 6 to 7 Length of Flow Description */ proto_tree_add_item_ret_uint(tree, hf_pfcp_flow_desc_len, tvb, offset, 2, ENC_BIG_ENDIAN, &len); offset += 2; /* Flow Description * The Flow Description field, when present, shall be encoded as an OctetString * as specified in subclause 5.4.2 of 3GPP TS 29.212 */ proto_tree_add_item(tree, hf_pfcp_fd, tvb, offset, len, ENC_NA); offset += len; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.62 UE IP Address */ static const true_false_string pfcp_ue_ip_add_sd_flag_vals = { "Destination IP address", "Source IP address", }; static void dissect_pfcp_ue_ip_address(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint64 ue_ip_address_flags; static const int * pfcp_ue_ip_address_flags[] = { &hf_pfcp_spare_b7_b3, &hf_pfcp_ue_ip_address_flag_b2, &hf_pfcp_ue_ip_address_flag_b1, &hf_pfcp_ue_ip_address_flag_b0, NULL }; /* Octet 5 Spare S/D V4 V6*/ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_ue_ip_address_flags, ett_pfcp_ue_ip_address_flags, pfcp_ue_ip_address_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &ue_ip_address_flags); offset += 1; /* IPv4 address (if present)*/ if ((ue_ip_address_flags & 0x1) == 1) { proto_tree_add_item(tree, hf_pfcp_ue_ip_addr_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } /* IPv6 address (if present)*/ if ((ue_ip_address_flags & 0x2) == 2) { proto_tree_add_item(tree, hf_pfcp_ue_ip_add_ipv6, tvb, offset, 16, ENC_NA); offset += 16; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.63 Packet Rate */ static const value_string pfcp_pr_time_unit_vals[] = { { 0, "Minute" }, { 1, "6 minutes" }, { 2, "Hour" }, { 3, "Day" }, { 3, "Week" }, { 0, NULL } }; static void dissect_pfcp_packet_rate(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint64 flags; static const int * pfcp_packet_rate_flags[] = { &hf_pfcp_spare_b7_b2, &hf_pfcp_dlpr_b1, &hf_pfcp_ulpr_b0, NULL }; /* Octet 5 Spare DLPR ULPR */ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_packet_rate, ett_pfcp_packet_rate, pfcp_packet_rate_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &flags); offset += 1; /* Bit 1 - ULPR (Uplink Packet Rate): If this bit is set to "1", then octets m to (m+2) shall be present */ if ((flags & 0x1) == 1) { /* m */ proto_tree_add_item(tree, hf_pfcp_spare_b7_b3, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_pfcp_ul_time_unit, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; /* (m+1) to (m+2) Maximum Uplink Packet Rate */ proto_tree_add_item(tree, hf_pfcp_max_ul_pr, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; } /* Bit 2 - DLPR (Downlink Packet Rate): If this bit is set to "1", then octets p to (p+2) shall be present*/ if ((flags & 0x2) == 2) { proto_tree_add_item(tree, hf_pfcp_spare_b7_b3, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_pfcp_dl_time_unit, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; /* (m+1) to (m+2) Maximum Uplink Packet Rate */ proto_tree_add_item(tree, hf_pfcp_max_dl_pr, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.64 Outer Header Removal */ static const value_string pfcp_out_hdr_desc_vals[] = { { 0, "GTP-U/UDP/IPv4" }, { 1, "GTP-U/UDP/IPv6" }, { 2, "UDP/IPv4" }, { 3, "UDP/IPv6 " }, { 0, NULL } }; static void dissect_pfcp_outer_hdr_rem(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 value; /* Octet 5 to (n+4) Application Identifier * The Application Identifier shall be encoded as an OctetString (see 3GPP TS 29.212) */ proto_tree_add_item_ret_uint(tree, hf_pfcp_out_hdr_desc, tvb, offset, 1, ENC_BIG_ENDIAN, &value); offset++; proto_item_append_text(item, "%s", val_to_str_const(value, pfcp_out_hdr_desc_vals, "Unknown")); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.65 Recovery Time Stamp */ static void dissect_pfcp_recovery_time_stamp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { const gchar *time_str; int offset = 0; /* indicates the UTC time when the node started. 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 [26]. */ time_str = tvb_ntp_fmt_ts_sec(tvb, 0); proto_tree_add_string(tree, hf_pfcp_recovery_time_stamp, tvb, offset, 4, time_str); proto_item_append_text(item, "%s", time_str); offset += 4; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.66 DL Flow Level Marking */ static void dissect_pfcp_dl_flow_level_marking(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint64 flags_val; static const int * pfcp_dl_flow_level_marking_flags[] = { &hf_pfcp_spare_b7_b2, &hf_pfcp_b1_sci, &hf_pfcp_b0_ttc, NULL }; /* Octet 5 Spare SCI TTC*/ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_dl_flow_level_marking, ett_pfcp_pfcp_dl_flow_level_marking, pfcp_dl_flow_level_marking_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &flags_val); offset += 1; /* Bit 1 - TTC (ToS/Traffic Class): If this bit is set to "1", * then the ToS/Traffic Class field shall be present */ if ((flags_val & 0x1) == 1) { /* m to (m+1) ToS/Traffic Class * The ToS/Traffic Class shall be encoded on two octets as an OctetString. * The first octet shall contain the IPv4 Type-of-Service or the IPv6 Traffic-Class field and * the second octet shall contain the ToS/Traffic Class mask field */ proto_tree_add_item(tree, hf_pfcp_tos_traf_class, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; } /* SCI (Service Class Indicator): If this bit is set to "1", * then the Service Class Indicator field shall be present */ if ((flags_val & 0x2) == 2) { /* Octets p and (p+1) of the Service Class Indicator field, when present, * shall be encoded respectively as octets 2 and 3 of the Service Class Indicator Extension Header * specified in Figure 5.2.2.3-1 of 3GPP TS 29.281 */ proto_tree_add_item(tree, hf_pfcp_sci, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.67 Header Enrichment */ static const value_string pfcp_header_type_vals[] = { { 0, "HTTP" }, { 0, NULL } }; static void dissect_pfcp_header_enrichment(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 len; /* Octet 5 Spare Header Type */ proto_tree_add_item(tree, hf_pfcp_spare_b7_b5, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_pfcp_header_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; /* 6 Length of Header Field Name */ proto_tree_add_item_ret_uint(tree, hf_pfcp_hf_len, tvb, offset, 1, ENC_BIG_ENDIAN, &len); offset++; /* 7 to m Header Field Name * Header Field Name shall be encoded as an OctetString */ proto_tree_add_item(tree, hf_pfcp_hf_name, tvb, offset, 1, ENC_NA); offset+= len; /* p Length of Header Field Value*/ proto_tree_add_item_ret_uint(tree, hf_pfcp_hf_val_len, tvb, offset, 1, ENC_BIG_ENDIAN, &len); offset++; /* (p+1) to q Header Field Value */ proto_tree_add_item(tree, hf_pfcp_hf_val, tvb, offset, 1, ENC_NA); offset += len; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.68 Measurement Information */ static void dissect_pfcp_measurement_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_measurement_info_flags[] = { &hf_pfcp_spare_b7_b2, &hf_pfcp_b1_inam, &hf_pfcp_b0_mbqe, NULL }; /* Octet 5 Spare INAM MBQE */ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_measurement_info, ett_pfcp_measurement_info, pfcp_measurement_info_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 1; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.69 Node Report Type */ static void dissect_pfcp_node_report_type(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_node_report_type_flags[] = { &hf_pfcp_spare_b7_b1, &hf_pfcp_b0_upfr, NULL }; /* Octet 5 Spare INAM MBQE */ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_node_report_type, ett_pfcp_node_report_type, pfcp_node_report_type_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 1; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.70 Remote GTP-U Peer */ static void dissect_pfcp_remote_gtp_u_peer(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type _U_) { int offset = 0; guint64 flags; static const int * pfcp_remote_gtp_u_peer_flags[] = { &hf_pfcp_spare_b7_b2, &hf_pfcp_gtp_u_peer_flag_b1, &hf_pfcp_gtp_u_peer_flag_b0, NULL }; /* Octet 5 Spare V4 V6*/ proto_tree_add_bitmask_with_flags_ret_uint64(tree, tvb, offset, hf_pfcp_remote_gtp_u_peer, ett_pfcp_remote_gtp_u_peer, pfcp_remote_gtp_u_peer_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &flags); offset += 1; /* IPv6 address (if present)*/ if ((flags & 0x1) == 1) { proto_tree_add_item(tree, hf_pfcp_remote_gtp_u_peer_ipv6, tvb, offset, 16, ENC_NA); proto_item_append_text(item, "IPv6 %s", tvb_ip6_to_str(tvb, offset)); offset += 16; } /* IPv4 address (if present)*/ if ((flags & 0x2) == 2) { proto_tree_add_item(tree, hf_pfcp_remote_gtp_u_peer_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); proto_item_append_text(item, "IPv4 %s", tvb_ip_to_str(tvb, offset)); offset += 4; } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.71 UR-SEQN */ static void dissect_pfcp_ur_seqn(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_) { guint value; /* 5 to 8 UR-SEQN * The UR-SEQN value shall be encoded as an Unsigned32 binary integer value */ proto_tree_add_item_ret_uint(tree, hf_pfcp_ur_seqn, tvb, 0, 4, ENC_BIG_ENDIAN, &value); proto_item_append_text(item, "%u", value); } /* * 8.2.72 Activate Predefined Rules */ static void dissect_pfcp_act_predef_rules(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; /* Octet 5 to (n+4) Predefined Rules Name * The Predefined Rules Name field shall be encoded as an OctetString */ proto_tree_add_item(tree, hf_pfcp_predef_rules_name, tvb, offset, length, ENC_NA); } /* * 8.2.73 Deactivate Predefined Rules */ static void dissect_pfcp_deact_predef_rules(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; /* Octet 5 to (n+4) Predefined Rules Name * The Predefined Rules Name field shall be encoded as an OctetString */ proto_tree_add_item(tree, hf_pfcp_predef_rules_name, tvb, offset, length, ENC_NA); } /* * 8.2.74 FAR ID */ static void dissect_pfcp_far_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 far_id; /* Octet 5 to 8 FAR ID value * The bit 8 of octet 5 is used to indicate if the Rule ID is dynamically allocated * by the CP function or predefined in the UP function. If set to 0, it indicates that * the Rule is dynamically provisioned by the CP Function. If set to 1, it indicates that * the Rule is predefined in the UP Function. */ proto_tree_add_item(tree, hf_pfcp_far_id_flg, tvb, offset, 4, ENC_BIG_ENDIAN); proto_tree_add_item_ret_uint(tree, hf_pfcp_far_id, tvb, offset, 4, ENC_BIG_ENDIAN, &far_id); offset += 4; proto_item_append_text(item, "%s %u", ((far_id&80000000)? pfcp_id_predef_dynamic_tfs.true_string : pfcp_id_predef_dynamic_tfs.false_string), (far_id & 0x7fffffff)); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.75 QER ID */ static void dissect_pfcp_qer_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; guint32 qer_id; /* Octet 5 to 8 QER ID value * The bit 8 of octet 5 is used to indicate if the Rule ID is dynamically allocated by the CP function * or predefined in the UP function. If set to 0, it indicates that the Rule is dynamically provisioned * by the CP Function. If set to 1, it indicates that the Rule is predefined in the UP Function */ proto_tree_add_item(tree, hf_pfcp_qer_id_flg, tvb, offset, 4, ENC_BIG_ENDIAN); proto_tree_add_item_ret_uint(tree, hf_pfcp_qer_id, tvb, offset, 4, ENC_BIG_ENDIAN, &qer_id); offset += 4; proto_item_append_text(item, "%s %u", ((qer_id & 80000000) ? pfcp_id_predef_dynamic_tfs.true_string : pfcp_id_predef_dynamic_tfs.false_string), (qer_id & 0x7fffffff)); if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.76 OCI Flags */ static void dissect_pfcp_oci_flags(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_oci_flags_flags[] = { &hf_pfcp_spare_b7_b1, &hf_pfcp_b0_aoci, NULL }; /* Octet 5 Spare AOCI */ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_oci_flags, ett_pfcp_oci_flags, pfcp_oci_flags_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 1; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.77 Sx Association Release Request */ static void dissect_pfcp_sx_assoc_rel_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_) { int offset = 0; static const int * pfcp_sx_assoc_rel_req_flags[] = { &hf_pfcp_spare_b7_b1, &hf_pfcp_b0_sarr, NULL }; /* Octet 5 Spare SARR */ proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_pfcp_sx_assoc_rel_req_flags, ett_sx_assoc_rel_req_flags, pfcp_sx_assoc_rel_req_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT); offset += 1; if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* * 8.2.78 Graceful Release Period */ static void dissect_pfcp_graceful_release_period(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item, guint16 length _U_, guint8 message_type _U_) { int offset = 0; guint32 unit, value; /* Octet 5 Timer unit Timer value */ proto_tree_add_item_ret_uint(tree, hf_pfcp_timer_unit, tvb, offset, 1, ENC_BIG_ENDIAN, &unit); proto_tree_add_item_ret_uint(tree, hf_pfcp_timer_value, tvb, offset, 1, ENC_BIG_ENDIAN, &value); offset++; unit = unit >> 5; switch (unit) { case 0: proto_item_append_text(item, "%u s", value * 2); break; case 1: proto_item_append_text(item, "%u min", value); break; case 2: proto_item_append_text(item, "%u min", value * 10); break; case 3: proto_item_append_text(item, "%u hours", value); break; case 4: proto_item_append_text(item, "%u hours", value * 10); break; case 7: proto_item_append_text(item, "%u Infinite", value); break; /* Value 5 and 6 */ default: proto_item_append_text(item, "%u min", value * 10); break; } if ((unit != 7) && (value == 0)) { proto_item_append_text(item, " Stopped"); } if (offset < length) { proto_tree_add_expert(tree, pinfo, &ei_pfcp_ie_data_not_decoded, tvb, offset, -1); } } /* Array of functions to dissect IEs * (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) */ typedef struct _pfcp_ie { void(*decode) (tvbuff_t *, packet_info *, proto_tree *, proto_item *, guint16, guint8); } pfcp_ie_t; static const pfcp_ie_t pfcp_ies[] = { /* 0 */ { dissect_pfcp_reserved }, /* 1 */ { dissect_pfcp_create_pdr }, /* Create PDR Extendable / Table 7.5.2.2-1 */ /* 2 */ { dissect_pfcp_pdi }, /* PDI Extendable / Table 7.5.2.2-2 */ /* 3 */ { dissect_pfcp_create_far }, /* Create FAR Extendable / Table 7.5.2.3-1 */ /* 4 */ { dissect_pfcp_forwarding_parameters }, /* Forwarding Parameters Extendable / Table 7.5.2.3-2 */ /* 5 */ { dissect_pfcp_duplicating_parameters }, /* Duplicating Parameters Extendable / Table 7.5.2.3-3 */ /* 6 */ { dissect_pfcp_create_urr }, /* Create URR Extendable / Table 7.5.2.4-1 */ /* 7 */ { dissect_pfcp_create_qer }, /* Create QER Extendable / Table 7.5.2.5-1 */ /* 8 */ { dissect_pfcp_created_pdr }, /* Created PDR Extendable / Table 7.5.3.2-1 */ /* 9 */ { dissect_pfcp_update_pdr }, /* Update PDR Extendable / Table 7.5.4.2-1 */ /* 10 */ { dissect_pfcp_update_far }, /* Update FAR Extendable / Table 7.5.4.3-1 */ /* 11 */ { dissect_pfcp_upd_forwarding_param }, /* Update Forwarding Parameters Extendable / Table 7.5.4.3-2 */ /* 12 */ { dissect_pfcp_update_bar }, /* Update BAR (Sx Session Report Response) Extendable / Table 7.5.9.2-1 */ /* 13 */ { dissect_pfcp_update_urr }, /* Update URR Extendable / Table 7.5.4.4 */ /* 14 */ { dissect_pfcp_update_qer }, /* Update QER Extendable / Table 7.5.4.5 */ /* 15 */ { dissect_pfcp_remove_pdr }, /* Remove PDR Extendable / Table 7.5.4.6 */ /* 16 */ { dissect_pfcp_remove_far }, /* Remove FAR Extendable / Table 7.5.4.7 */ /* 17 */ { dissect_pfcp_remove_urr }, /* Remove URR Extendable / Table 7.5.4.8 */ /* 18 */ { dissect_pfcp_remove_qer }, /* Remove QER Extendable / Table 7.5.4.9 */ /* 19 */ { dissect_pfcp_cause }, /* Cause Fixed / Subclause 8.2.1 */ /* 20 */ { dissect_pfcp_source_interface }, /* Source Interface Extendable / Subclause 8.2.2 */ /* 21 */ { dissect_pfcp_f_teid }, /* F-TEID Extendable / Subclause 8.2.3 */ /* 22 */ { dissect_pfcp_pdn_instance }, /* PDN Instance Variable Length / Subclause 8.2.4 */ /* 23 */ { dissect_pfcp_sdf_filter }, /* SDF Filter Extendable / Subclause 8.2.5 */ /* 24 */ { dissect_pfcp_application_id }, /* Application ID Variable Length / Subclause 8.2.6 */ /* 25 */ { dissect_pfcp_gate_status }, /* Gate Status Extendable / Subclause 8.2.7 */ /* 26 */ { dissect_pfcp_mbr }, /* MBR Extendable / Subclause 8.2.8 */ /* 27 */ { dissect_pfcp_gbr }, /* GBR Extendable / Subclause 8.2.9 */ /* 28 */ { dissect_pfcp_qer_correlation_id }, /* QER Correlation ID Extendable / Subclause 8.2.10 */ /* 29 */ { dissect_pfcp_precedence }, /* Precedence Extendable / Subclause 8.2.11 */ /* 30 */ { dissect_pfcp_dl_transport_level_marking }, /* DL Transport Level Marking Extendable / Subclause 8.2.12 */ /* 31 */ { dissect_pfcp_volume_threshold }, /* Volume Threshold Extendable /Subclause 8.2.13 */ /* 32 */ { dissect_pfcp_time_threshold }, /* Time Threshold Extendable /Subclause 8.2.14 */ /* 33 */ { dissect_pfcp_monitoring_time }, /* Monitoring Time Extendable /Subclause 8.2.15 */ /* 34 */ { dissect_pfcp_subseq_volume_threshold }, /* Subsequent Volume Threshold Extendable /Subclause 8.2.16 */ /* 35 */ { dissect_pfcp_subsequent_time_threshold }, /* Subsequent Time Threshold Extendable /Subclause 8.2.17 */ /* 36 */ { dissect_pfcp_inactivity_detection_time }, /* Inactivity Detection Time Extendable /Subclause 8.2.18 */ /* 37 */ { dissect_pfcp_reporting_triggers }, /* Reporting Triggers Extendable /Subclause 8.2.19 */ /* 38 */ { dissect_pfcp_redirect_information }, /* Redirect Information Extendable /Subclause 8.2.20 */ /* 39 */ { dissect_pfcp_report_type }, /* Report Type Extendable / Subclause 8.2.21 */ /* 40 */ { dissect_pfcp_offending_ie }, /* Offending IE Fixed / Subclause 8.2.22 */ /* 41 */ { dissect_pfcp_forwarding_policy }, /* Forwarding Policy Extendable / Subclause 8.2.23 */ /* 42 */ { dissect_pfcp_destination_interface }, /* Destination Interface Extendable / Subclause 8.2.24 */ /* 43 */ { dissect_pfcp_up_function_features }, /* UP Function Features Extendable / Subclause 8.2.25 */ /* 44 */ { dissect_pfcp_apply_action }, /* Apply Action Extendable / Subclause 8.2.26 */ /* 45 */ { dissect_pfcp_dl_data_service_inf }, /* Downlink Data Service Information Extendable / Subclause 8.2.27 */ /* 46 */ { dissect_pfcp_dl_data_notification_delay }, /* Downlink Data Notification Delay Extendable / Subclause 8.2.28 */ /* 47 */ { dissect_pfcp_dl_buffering_dur }, /* DL Buffering Duration Extendable / Subclause 8.2.29 */ /* 48 */ { dissect_pfcp_dl_buffering_suggested_packet_count }, /* DL Buffering Suggested Packet Count Variable / Subclause 8.2.30 */ /* 49 */ { dissect_pfcp_sxsmreq_flags }, /* SxSMReq-Flags Extendable / Subclause 8.2.31 */ /* 50 */ { dissect_pfcp_sxsrrsp_flags }, /* SxSRRsp-Flags Extendable / Subclause 8.2.32 */ /* 51 */ { dissect_pfcp_load_control_information }, /* Load Control Information Extendable / Table 7.5.3.3-1 */ /* 52 */ { dissect_pfcp_sequence_number }, /* Sequence Number Fixed Length / Subclause 8.2.33 */ /* 53 */ { dissect_pfcp_metric }, /* Metric Fixed Length / Subclause 8.2.34 */ /* 54 */ { dissect_pfcp_overload_control_information }, /* Overload Control Information Extendable / Table 7.5.3.4-1 */ /* 55 */ { dissect_pfcp_timer }, /* Timer Extendable / Subclause 8.2 35 */ /* 56 */ { dissect_pfcp_pdr_id }, /* Packet Detection Rule ID Extendable / Subclause 8.2 36 */ /* 57 */ { dissect_pfcp_f_seid }, /* F-SEID Extendable / Subclause 8.2 37 */ /* 58 */ { dissect_pfcp_application_ids_pfds }, /* Application ID's PFDs Extendable / Table 7.4.3.1-2 */ /* 59 */ { dissect_pfcp_pfd_context }, /* PFD context Extendable / Table 7.4.3.1-3 */ /* 60 */ { dissect_pfcp_node_id }, /* Node ID Extendable / Subclause 8.2.38 */ /* 61 */ { dissect_pfcp_pfd_contents }, /* PFD contents Extendable / Subclause 8.2.39 */ /* 62 */ { dissect_pfcp_measurement_method }, /* Measurement Method Extendable / Subclause 8.2.40 */ /* 63 */ { dissect_pfcp_usage_report_trigger }, /* Usage Report Trigger Extendable / Subclause 8.2.41 */ /* 64 */ { dissect_pfcp_measurement_period }, /* Measurement Period Extendable / Subclause 8.2.42 */ /* 65 */ { dissect_pfcp_fq_csid }, /* FQ-CSID Extendable / Subclause 8.2.43 */ /* 66 */ { dissect_pfcp_volume_measurement }, /* Volume Measurement Extendable / Subclause 8.2.44 */ /* 67 */ { dissect_pfcp_duration_measurement }, /* Duration Measurement Extendable / Subclause 8.2.45 */ /* 68 */ { dissect_pfcp_application_detection_inf }, /* Application Detection Information Extendable / Table 7.5.8.3-2 */ /* 69 */ { dissect_pfcp_time_of_first_packet }, /* Time of First Packet Extendable / Subclause 8.2.46 */ /* 70 */ { dissect_pfcp_time_of_last_packet }, /* Time of Last Packet Extendable / Subclause 8.2.47 */ /* 71 */ { dissect_pfcp_quota_holding_time }, /* Quota Holding Time Extendable / Subclause 8.2.48 */ /* 72 */ { dissect_pfcp_dropped_dl_traffic_threshold }, /* Dropped DL Traffic Threshold Extendable / Subclause 8.2.49 */ /* 73 */ { dissect_pfcp_volume_quota }, /* Volume Quota Extendable / Subclause 8.2.50 */ /* 74 */ { dissect_pfcp_time_quota }, /* Time Quota Extendable / Subclause 8.2.51 */ /* 75 */ { dissect_pfcp_start_time }, /* Start Time Extendable / Subclause 8.2.52 */ /* 76 */ { dissect_pfcp_end_time }, /* End Time Extendable / Subclause 8.2.53 */ /* 77 */ { dissect_pfcp_pfcp_query_urr }, /* Query URR Extendable / Table 7.5.4.10-1 */ /* 78 */ { dissect_pfcp_usage_report_smr }, /* Usage Report (in Session Modification Response) Extendable / Table 7.5.5.2-1 */ /* 79 */ { dissect_pfcp_usage_report_sdr }, /* Usage Report (Session Deletion Response) Extendable / Table 7.5.7.2-1 */ /* 80 */ { dissect_pfcp_usage_report_srr }, /* Usage Report (Session Report Request) Extendable / Table 7.5.8.3-1 */ /* 81 */ { dissect_pfcp_urr_id }, /* URR ID Extendable / Subclause 8.2.54 */ /* 82 */ { dissect_pfcp_linked_urr_id }, /* Linked URR ID Extendable / Subclause 8.2.55 */ /* 83 */ { dissect_pfcp_downlink_data_report }, /* Downlink Data Report Extendable / Table 7.5.8.2-1 */ /* 84 */ { dissect_pfcp_outer_header_creation }, /* Outer Header Creation Extendable / Subclause 8.2.56 */ /* 85 */ { dissect_pfcp_create_bar }, /* Create BAR Extendable / Table 7.5.2.6-1 */ /* 86 */ { dissect_pfcp_update_bar_smr }, /* Update BAR (Session Modification Request) Extendable / Table 7.5.4.11-1 */ /* 87 */ { dissect_pfcp_remove_bar }, /* Remove BAR Extendable / Table 7.5.4.12-1 */ /* 88 */ { dissect_pfcp_bar_id }, /* BAR ID Extendable / Subclause 8.2.57 */ /* 89 */ { dissect_pfcp_cp_function_features }, /* CP Function Features Extendable / Subclause 8.2.58 */ /* 90 */ { dissect_pfcp_usage_information }, /* Usage Information Extendable / Subclause 8.2.59 */ /* 91 */ { dissect_pfcp_application_instance_id }, /* Application Instance ID Variable Length / Subclause 8.2.60 */ /* 92 */ { dissect_pfcp_flow_inf }, /* Flow Information Extendable / Subclause 8.2.61 */ /* 93 */ { dissect_pfcp_ue_ip_address }, /* UE IP Address Extendable / Subclause 8.2.62 */ /* 94 */ { dissect_pfcp_packet_rate }, /* Packet Rate Extendable / Subclause 8.2.63 */ /* 95 */ { dissect_pfcp_outer_hdr_rem }, /* Outer Header Removal Extendable / Subclause 8.2.64 */ /* 96 */ { dissect_pfcp_recovery_time_stamp }, /* Recovery Time Stamp Extendable / Subclause 8.2.65 */ /* 97 */ { dissect_pfcp_dl_flow_level_marking }, /* DL Flow Level Marking Extendable / Subclause 8.2.66 */ /* 98 */ { dissect_pfcp_header_enrichment }, /* Header Enrichment Extendable / Subclause 8.2.67 */ /* 99 */ { dissect_pfcp_error_indication_report }, /* Error Indication Report Extendable / Table 7.5.8.4-1 */ /* 100 */ { dissect_pfcp_measurement_info }, /* Measurement Information Extendable / Subclause 8.2.68 */ /* 101 */ { dissect_pfcp_node_report_type }, /* Node Report Type Extendable / Subclause 8.2.69 */ /* 102 */ { dissect_pfcp_user_plane_path_failure_report }, /* User Plane Path Failure Report Extendable / Table 7.4.5.1.2-1 */ /* 103 */ { dissect_pfcp_remote_gtp_u_peer }, /* Remote GTP-U Peer Extendable / Subclause 8.2.70 */ /* 104 */ { dissect_pfcp_ur_seqn }, /* UR-SEQN Fixed Length / Subclause 8.2.71 */ /* 105 */ { dissect_pfcp_update_duplicating_parameters }, /* Update Duplicating Parameters Extendable / Table 7.5.4.3-3 */ /* 106 */ { dissect_pfcp_act_predef_rules }, /* Activate Predefined Rules Variable Length / Subclause 8.2.72 */ /* 107 */ { dissect_pfcp_deact_predef_rules }, /* Deactivate Predefined Rules Variable Length / Subclause 8.2.73 */ /* 108 */ { dissect_pfcp_far_id }, /* FAR ID Extendable / Subclause 8.2.74 */ /* 109 */ { dissect_pfcp_qer_id }, /* QER ID Extendable / Subclause 8.2.75 */ /* 110 */ { dissect_pfcp_oci_flags }, /* OCI Flags Extendable / Subclause 8.2.76 */ /* 111 */ { dissect_pfcp_sx_assoc_rel_req }, /* Sx Association Release Request Extendable / Subclause 8.2.77 */ /* 112 */ { dissect_pfcp_graceful_release_period }, /* Graceful Release Period Extendable / Subclause 8.2.78 */ { NULL }, /* End of List */ }; #define NUM_PFCP_IES (sizeof(pfcp_ies)/sizeof(pfcp_ie_t)) /* Set up the array to hold "etts" for each IE*/ gint ett_pfcp_elem[NUM_PFCP_IES-1]; /* 7.2.3.3 Grouped Information Elements */ static void dissect_pfcp_grouped_ie(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type, int ett_index) { int offset = 0; tvbuff_t *new_tvb; proto_tree *grouped_tree; proto_item_append_text(item, "[Grouped IE]"); grouped_tree = proto_item_add_subtree(tree, ett_index); new_tvb = tvb_new_subset_length(tvb, offset, length); dissect_pfcp_ies_common(new_tvb, pinfo, grouped_tree, 0, message_type); } static void dissect_pfcp_pdi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_ID_PDI]); } static void dissect_pfcp_create_pdr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_ID_CREATE_PDR]); } static void dissect_pfcp_create_far(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_CREATE_FAR]); } static void dissect_pfcp_forwarding_parameters(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_FORWARDING_PARAMETERS]); } static void dissect_pfcp_duplicating_parameters(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_DUPLICATING_PARAMETERS]); } static void dissect_pfcp_create_urr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_CREATE_URR]); } static void dissect_pfcp_create_qer(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_CREATE_QER]); } static void dissect_pfcp_created_pdr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_CREATED_PDR]); } static void dissect_pfcp_update_pdr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_UPDATE_PDR]); } static void dissect_pfcp_update_far(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_UPDATE_FAR]); } static void dissect_pfcp_upd_forwarding_param(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_UPD_FORWARDING_PARAM]); } static void dissect_pfcp_update_bar(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_UPDATE_BAR]); } static void dissect_pfcp_update_urr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_UPDATE_URR]); } static void dissect_pfcp_update_qer(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_UPDATE_QER]); } static void dissect_pfcp_remove_pdr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_REMOVE_PDR]); } static void dissect_pfcp_remove_far(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_REMOVE_FAR]); } static void dissect_pfcp_remove_urr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_REMOVE_URR]); } static void dissect_pfcp_remove_qer(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_IE_REMOVE_QER]); } static void dissect_pfcp_load_control_information(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_LOAD_CONTROL_INFORMATION]); } static void dissect_pfcp_overload_control_information(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_OVERLOAD_CONTROL_INFORMATION]); } static void dissect_pfcp_application_ids_pfds(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_APPLICATION_IDS_PFDS]); } static void dissect_pfcp_pfd_context(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_PFD_CONTEXT]); } static void dissect_pfcp_application_detection_inf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_APPLICATION_DETECTION_INF]); } static void dissect_pfcp_pfcp_query_urr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_QUERY_URR]); } static void dissect_pfcp_usage_report_smr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_USAGE_REPORT_SMR]); } static void dissect_pfcp_usage_report_sdr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_USAGE_REPORT_SDR]); } static void dissect_pfcp_usage_report_srr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_USAGE_REPORT_SRR]); } static void dissect_pfcp_downlink_data_report(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_DOWNLINK_DATA_REPORT]); } static void dissect_pfcp_create_bar(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_CREATE_BAR]); } static void dissect_pfcp_update_bar_smr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_UPDATE_BAR_SMR]); } static void dissect_pfcp_remove_bar(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_REMOVE_BAR]); } static void dissect_pfcp_error_indication_report(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_ERROR_INDICATION_REPORT]); } static void dissect_pfcp_user_plane_path_failure_report(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_USER_PLANE_PATH_FAILURE_REPORT]); } static void dissect_pfcp_update_duplicating_parameters(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item, guint16 length, guint8 message_type) { dissect_pfcp_grouped_ie(tvb, pinfo, tree, item, length, message_type, ett_pfcp_elem[PFCP_UPDATE_DUPLICATING_PARAMETERS]); } static void dissect_pfcp_ies_common(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, gint offset, guint8 message_type) { proto_tree *ie_tree; proto_item *ti; tvbuff_t *ie_tvb; guint16 type, length, enterprise_type; guint16 enterprise_id; /* 8.1.1 Information Element Format */ /* Octets 8 7 6 5 4 3 2 1 1 to 2 Type = xxx (decimal) 3 to 4 Length = n p to (p+1) Enterprise ID k to (n+4) IE specific data or content of a grouped IE If the Bit 8 of Octet 1 is not set, this indicates that the IE is defined by 3GPP and the Enterprise ID is absent. If Bit 8 of Octet 1 is set, this indicates that the IE is defined by a vendor and the Enterprise ID is present identified by the Enterprise ID */ /*Enterprise ID : if the IE type value is within the range of 32768 to 65535, * this field shall contain the IANA - assigned "SMI Network Management Private Enterprise Codes" * value of the vendor defining the IE. */ /* Length: this field contains the length of the IE excluding the first four octets, which are common for all IEs */ /* Process the IEs*/ while (offset < (gint)tvb_reported_length(tvb)) { /* Octet 1 -2 */ type = tvb_get_ntohs(tvb, offset); length = tvb_get_ntohs(tvb, offset + 2); if ((type & 0x8000) == 0x8000 ) { enterprise_id = tvb_get_ntohs(tvb, offset + 4); enterprise_type = (type & 0x8000); ie_tree = proto_tree_add_subtree_format(tree, tvb, offset, 4 + length, ett_pfcp_ie, &ti, "Enterprise %s specific IE: %u", try_enterprises_lookup(enterprise_id), enterprise_type); proto_tree_add_item(ie_tree, hf_pfcp2_enterprise_ie, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(ie_tree, hf_pfcp2_ie_len, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; /* Bit 8 of Octet 1 is set, this indicates that the IE is defined by a vendor and the Enterprise ID is present */ proto_tree_add_item(ie_tree, hf_pfcp_enterprice_id, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; /* give the whole IE to the subdissector */ ie_tvb = tvb_new_subset_length(tvb, offset-6, length); dissector_try_uint_new(pfcp_enterprise_ies_dissector_table, enterprise_id, ie_tvb, pinfo, ie_tree, FALSE, ti); offset += length; } else { int tmp_ett; if (type < (NUM_PFCP_IES - 1)) { tmp_ett = ett_pfcp_elem[type]; } else { tmp_ett = ett_pfcp_ie; } ie_tree = proto_tree_add_subtree_format(tree, tvb, offset, 4 + length, tmp_ett, &ti, "%s : ", val_to_str_ext_const(type, &pfcp_ie_type_ext, "Unknown")); proto_tree_add_item(ie_tree, hf_pfcp2_ie, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(ie_tree, hf_pfcp2_ie_len, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; if (type < (NUM_PFCP_IES -1)) { ie_tvb = tvb_new_subset_length(tvb, offset, length); if(pfcp_ies[type].decode){ (*pfcp_ies[type].decode) (ie_tvb, pinfo, ie_tree, ti, length, message_type); } else { /* NULL function pointer, we have no decoding function*/ proto_tree_add_expert(ie_tree, pinfo, &ei_pfcp_ie_not_decoded_null, tvb, offset, length); } } else { /* IE id outside of array, We have no decoding function for it */ proto_tree_add_expert(ie_tree, pinfo, &ei_pfcp_ie_not_decoded_to_large, tvb, offset, length); } offset += length; } } } static int dissect_pfcp(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void *data _U_) { proto_item *item; proto_tree *sub_tree; int offset = 0; guint64 pfcp_flags; guint8 message_type; guint32 length; static const int * pfcp_hdr_flags[] = { &hf_pfcp_version, &hf_pfcp_spare_b4, &hf_pfcp_spare_b3, &hf_pfcp_spare_b2, &hf_pfcp_mp_flag, &hf_pfcp_s_flag, NULL }; col_set_str(pinfo->cinfo, COL_PROTOCOL, "PFCP"); col_clear(pinfo->cinfo, COL_INFO); message_type = tvb_get_guint8(tvb, 1); col_set_str(pinfo->cinfo, COL_INFO, val_to_str_ext_const(message_type, &pfcp_message_type_ext, "Unknown")); item = proto_tree_add_item(tree, proto_pfcp, tvb, 0, -1, ENC_NA); sub_tree = proto_item_add_subtree(item, ett_pfcp); /* 7.2.2 Message Header */ /* Octet 8 7 6 5 4 3 2 1 1 | Version |Spare|Spare|Spare| MP | S | 2 | Message Type | 3 | Message Length (1st Octet) | 4 | Message Length (2nd Octet) | m to | If S flag is set to 1, then SEID shall be | k(m+7) | placed into octets 5-12. Otherwise, SEID field | | is not present at all. | n to | Sequence Number | (n+2) | | (n+3) | Spare | */ /* Octet 1 */ proto_tree_add_bitmask_with_flags_ret_uint64(sub_tree, tvb, offset, hf_pfcp_hdr_flags, ett_pfcp_flags, pfcp_hdr_flags, ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT, &pfcp_flags); offset += 1; /* Octet 2 Message Type */ proto_tree_add_item(sub_tree, hf_pfcp_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; /* Octet 3 - 4 Message Length */ proto_tree_add_item_ret_uint(sub_tree, hf_pfcp_msg_length, tvb, offset, 2, ENC_BIG_ENDIAN, &length); if ((pfcp_flags & 0x1) == 1) { /* If S flag is set to 1, then SEID shall be placed into octets 5-12*/ /* Session Endpoint Identifier 8 Octets */ proto_tree_add_item(sub_tree, hf_pfcp_seid, tvb, offset, 8, ENC_BIG_ENDIAN); offset += 8; } /* 7.2.2.2 PFCP Header for Node Related Messages */ /* Octet 8 7 6 5 4 3 2 1 1 | Version |Spare|Spare|Spare| MP=0 | S=0 | 2 | Message Type | 3 | Message Length (1st Octet) | 4 | Message Length (2nd Octet) | 5 | Sequence Number (1st Octet) | 6 | Sequence Number (2st Octet) | 7 | Sequence Number (3st Octet) | 8 | Spare | */ proto_tree_add_item(sub_tree, hf_pfcp_seqno, tvb, offset, 3, ENC_BIG_ENDIAN); offset += 3; if ((pfcp_flags & 0x2) == 0x2) { /* If the "MP" flag is set to "1", then bits 8 to 5 of octet 16 shall indicate the message priority.*/ proto_tree_add_item(sub_tree, hf_pfcp_mp, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_tree, hf_pfcp_spare_h0, tvb, offset, 1, ENC_BIG_ENDIAN); } else { proto_tree_add_item(sub_tree, hf_pfcp_spare_oct, tvb, offset, 1, ENC_BIG_ENDIAN); } offset++; /* Dissect the IEs in the message */ dissect_pfcp_ies_common(tvb, pinfo, sub_tree, offset, message_type); return tvb_reported_length(tvb); } /* Enterprise IE decoding 3GPP */ static int dissect_pfcp_3gpp_enterprise_ies(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { proto_item *top_item = (proto_item *)data; /* We are give the complete ie, but the first 6 octets are dissected in the pfcp dissector*/ proto_item_append_text(top_item, " Enterprise ID set to '10415' shall not be used for the vendor specific IEs."); proto_tree_add_expert(tree, pinfo, &ei_pfcp_enterprise_ie_3gpp, tvb, 0, -1); return tvb_reported_length(tvb); } void proto_register_pfcp(void) { static hf_register_info hf_pfcp[] = { { &hf_pfcp_msg_type, { "Message Type", "pfcp.msg_type", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &pfcp_message_type_ext, 0x0, NULL, HFILL } }, { &hf_pfcp_msg_length, { "Length", "pfcp.length", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_hdr_flags, { "Flags", "pfcp.flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_version, { "Version", "pfcp.version", FT_UINT8, BASE_DEC, NULL, 0xe0, NULL, HFILL } }, { &hf_pfcp_mp_flag, { "MP", "pfcp.mp_flag", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_s_flag, { "S", "pfcp.s", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_spare_b2, { "Spare", "pfcp.spare_b2", FT_UINT8, BASE_DEC, NULL, 0x04, NULL, HFILL } }, { &hf_pfcp_spare_b3, { "Spare", "pfcp.spare_b3", FT_UINT8, BASE_DEC, NULL, 0x08, NULL, HFILL } }, { &hf_pfcp_spare_b4, { "Spare", "pfcp.spare_b4", FT_UINT8, BASE_DEC, NULL, 0x10, NULL, HFILL } }, { &hf_pfcp_spare_b5, { "Spare", "pfcp.spare_b5", FT_UINT8, BASE_DEC, NULL, 0x20, NULL, HFILL } }, { &hf_pfcp_spare_b6, { "Spare", "pfcp.spare_b6", FT_UINT8, BASE_DEC, NULL, 0x40, NULL, HFILL } }, { &hf_pfcp_spare_b7, { "Spare", "pfcp.spare_b7", FT_UINT8, BASE_DEC, NULL, 0x80, NULL, HFILL } }, { &hf_pfcp_spare_b7_b6, { "Spare", "pfcp.spare_b7_b6", FT_UINT8, BASE_DEC, NULL, 0xc0, NULL, HFILL } }, { &hf_pfcp_spare_b7_b5, { "Spare", "pfcp.spare_b7_b5", FT_UINT8, BASE_DEC, NULL, 0xe0, NULL, HFILL } }, { &hf_pfcp_spare_b7_b4, { "Spare", "pfcp.spare_b7_b4", FT_UINT8, BASE_DEC, NULL, 0xf0, NULL, HFILL } }, { &hf_pfcp_spare_b7_b3, { "Spare", "pfcp.spare_b7_b3", FT_UINT8, BASE_DEC, NULL, 0xf8, NULL, HFILL } }, { &hf_pfcp_spare_b7_b2, { "Spare", "pfcp.spare_b7_b2", FT_UINT8, BASE_DEC, NULL, 0xfc, NULL, HFILL } }, { &hf_pfcp_spare_b7_b1, { "Spare", "pfcp.spare_b7_b1", FT_UINT8, BASE_DEC, NULL, 0xfe, NULL, HFILL } }, { &hf_pfcp_spare_oct, { "Spare", "pfcp.spare_oct", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_spare_h0, { "Spare", "pfcp.spare_h0", FT_UINT8, BASE_DEC, NULL, 0x0f, NULL, HFILL } }, { &hf_pfcp_spare_h1, { "Spare", "pfcp.spare_h1", FT_UINT8, BASE_DEC, NULL, 0xf0, NULL, HFILL } }, { &hf_pfcp_spare, { "Spare", "pfcp.spare", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_seid, { "SEID", "pfcp.seid", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_seqno, { "Sequence Number", "pfcp.seqno", FT_UINT24, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_mp, { "Message Priority", "pfcp.mp", FT_UINT24, BASE_DEC, NULL, 0xf0, NULL, HFILL } }, { &hf_pfcp_enterprice_id, { "Enterprise ID", "pfcp.enterprice_id", FT_UINT16, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0x0, NULL, HFILL } }, { &hf_pfcp2_ie, { "IE Type", "pfcp.ie_type", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &pfcp_ie_type_ext, 0x0, NULL, HFILL } }, { &hf_pfcp2_enterprise_ie, { "Enterprise specific IE Type", "pfcp.enterprise_ie", FT_UINT16, BASE_DEC, NULL, 0x7fff, NULL, HFILL } }, { &hf_pfcp2_ie_len, { "Length", "pfcp.ie_len", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_recovery_time_stamp, { "Recovery Time Stamp", "pfcp.recovery_time_stamp", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_pfcp2_cause, { "Cause", "pfcp.cause", FT_UINT8, BASE_DEC, VALS(pfcp_cause_vals), 0x0, NULL, HFILL } }, { &hf_pfcp_node_id_type, { "Node ID Type", "pfcp.node_id_type", FT_UINT8, BASE_DEC, VALS(pfcp_node_id_type_vals), 0x0f, NULL, HFILL } }, { &hf_pfcp_node_id_ipv4, { "Node ID IPv4", "pfcp.node_id_ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_node_id_ipv6, { "Node ID IPv6", "pfcp.node_id_ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_node_id_fqdn, { "Node ID FQDN", "pfcp.node_id_fqdn", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_f_seid_flags, { "Flags", "pfcp.f_seid_flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_v6, { "V6", "pfcp.f_seid_flags.v6", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_b1_v4, { "V4", "pfcp.f_seid_flags.v4", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_f_seid_ipv4, { "IPv4 address", "pfcp.f_seid.ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_f_seid_ipv6, { "IPv6 address", "pfcp.f_seid.ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_pdr_id, { "Rule ID", "pfcp.pdr_id", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_precedence, { "Precedence", "pfcp.precedence", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_source_interface, { "Source Interface", "pfcp.source_interface", FT_UINT8, BASE_DEC, VALS(pfcp_source_interface_vals), 0x0f, NULL, HFILL } }, { &hf_pfcp_f_teid_flags, { "Flags", "pfcp.f_teid_flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_fteid_flg_spare, { "Spare", "pfcp.fteid_flg.spare", FT_UINT8, BASE_DEC, NULL, 0xf8, NULL, HFILL } }, { &hf_pfcp_fteid_flg_b2_ch, { "CH (CHOOSE)", "pfcp.f_teid_flags.ch", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL } }, { &hf_pfcp_fteid_flg_b1_v6, { "V6", "pfcp.f_teid_flags.v6", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_fteid_flg_b0_v4, { "V4", "pfcp.f_teid_flags.v4", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_f_teid_ipv4, { "IPv4 address", "pfcp.f_teid.ipv4_addr", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_f_teid_ipv6, { "IPv6 address", "pfcp.f_teid.ipv6_addr", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_pdn_instance, { "PDN Instance", "pfcp.pdn_instance", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_ue_ip_address_flags, { "Flags", "pfcp.ue_ip_address_flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_ue_ip_address_flag_b0, { "V6", "pfcp.ue_ip_address_flag.v6", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_ue_ip_address_flag_b1, { "V4", "pfcp.ue_ip_address_flag.v4", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_ue_ip_address_flag_b2, { "S/D", "pfcp.ue_ip_address_flag.sd", FT_BOOLEAN, 8, TFS(&pfcp_ue_ip_add_sd_flag_vals), 0x04, NULL, HFILL } }, { &hf_pfcp_ue_ip_addr_ipv4, { "IPv4 address", "pfcp.ue_ip_addr_ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_ue_ip_add_ipv6, { "IPv6 address", "pfcp.ue_ip_addr_ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_application_id, { "Application Identifier", "pfcp.application_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_sdf_filter_flags, { "Flags", "pfcp.sdf_filter_flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_sdf_filter_b0_fd, { "FD (Flow Description)", "pfcp.sdf_filter.fd", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_sdf_filter_b1_ttc, { "TTC (ToS Traffic Class)", "pfcp.sdf_filter.ttc", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_sdf_filter_b2_spi, { "SPI (Security Parameter Index)", "pfcp.sdf_filter.spi", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL } }, { &hf_pfcp_sdf_filter_b3_fl, { "FL (Flow Label)", "pfcp.sdf_filter.fl", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL } }, { &hf_pfcp_flow_desc_len, { "Length of Flow Description", "pfcp.flow_desc_len", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_fd, { "Flow Description field", "pfcp.fd", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_ttc, { "ToS Traffic Class field", "pfcp.ttc", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_spi, { "Security Parameter Index field", "pfcp.spi", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_fl, { "Flow Label field", "pfcp.fl", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_out_hdr_desc, { "Outer Header Removal Description", "pfcp.out_hdr_desc", FT_UINT8, BASE_DEC, VALS(pfcp_out_hdr_desc_vals), 0x0, NULL, HFILL } }, { &hf_pfcp_far_id_flg, { "Allocation type", "pfcp.far_id_flg", FT_BOOLEAN, 32, TFS(&pfcp_id_predef_dynamic_tfs), 0x80000000, NULL, HFILL } }, { &hf_pfcp_far_id, { "FAR ID", "pfcp.far_id", FT_UINT32, BASE_DEC, NULL, 0x7fffffff, NULL, HFILL } }, { &hf_pfcp_urr_id_flg, { "Allocation type", "pfcp.urr_id_flg", FT_BOOLEAN, 32, TFS(&pfcp_id_predef_dynamic_tfs), 0x80000000, NULL, HFILL } }, { &hf_pfcp_urr_id, { "URR ID", "pfcp.urr_id", FT_UINT32, BASE_DEC, NULL, 0x7fffffff, NULL, HFILL } }, { &hf_pfcp_qer_id_flg, { "Allocation type", "pfcp.qer_id_flg", FT_BOOLEAN, 32, TFS(&pfcp_id_predef_dynamic_tfs), 0x80000000, NULL, HFILL } }, { &hf_pfcp_qer_id, { "QER ID", "pfcp.qer_id", FT_UINT32, BASE_DEC, NULL, 0x7fffffff, NULL, HFILL } }, { &hf_pfcp_predef_rules_name, { "Predefined Rules Name", "pfcp.predef_rules_name", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_apply_action_flags, { "Flags", "pfcp.apply_action_flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_apply_action_b0_drop, { "DROP (Drop)", "pfcp.apply_action.drop", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_apply_action_b1_forw, { "FORW (Forward)", "pfcp.apply_action.forw", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_apply_action_b2_buff, { "BUFF (Buffer)", "pfcp.apply_action.buff", FT_BOOLEAN, 8, NULL, 0x03, NULL, HFILL } }, { &hf_pfcp_apply_action_b3_nocp, { "NOCP (Notify the CP function)", "pfcp.apply_action.nocp", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL } }, { &hf_pfcp_apply_action_b4_dupl, { "DUPL (Duplicate)", "pfcp.apply_action.dupl", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL } }, { &hf_pfcp_bar_id, { "BAR ID", "pfcp.bar_id", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_fq_csid_node_id_type, { "FQ-CSID Node-ID Type", "pfcp.fq_csid_node_id_type", FT_UINT8, BASE_DEC, VALS(pfcp_fq_csid_node_id_type_vals), 0xf0, NULL, HFILL } }, { &hf_pfcp_num_csid, { "Number of CSID", "pfcp.num_csid", FT_UINT8, BASE_DEC, NULL, 0x0f, NULL, HFILL } }, { &hf_pfcp_fq_csid_node_id_ipv4, { "Node-Address", "pfcp.q_csid_node_id.ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_fq_csid_node_id_ipv6, { "Node-Address", "pfcp.q_csid_node_id.ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_fq_csid_node_id_mcc_mnc, { "Node-Address MCC MNC", "pfcp.q_csid_node_id.mcc_mnc", FT_UINT32, BASE_DEC, NULL, 0xfffff000, NULL, HFILL } }, { &hf_pfcp_fq_csid_node_id_int, { "Node-Address Number", "pfcp.q_csid_node_id.int", FT_UINT32, BASE_DEC, NULL, 0x00000fff, NULL, HFILL } }, { &hf_pfcp_fq_csid, { "PDN Connection Set Identifier (CSID)", "pfcp.csid", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_measurement_period, { "Measurement Period", "pfcp.measurement_period", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_duration_measurement, { "Duration", "pfcp.duration_measurement", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_time_of_first_packet, { "Time of First Packet", "pfcp.time_of_first_packet", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_pfcp_time_of_last_packet, { "Time of Last Packet", "pfcp.time_of_last_packet", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_pfcp_dst_interface, { "Interface", "pfcp.dst_interface", FT_UINT8, BASE_DEC, VALS(pfcp_dst_interface_vals), 0x0f, NULL, HFILL } }, { &hf_pfcp_redirect_address_type, { "Redirect Address Type", "pfcp.redirect_address_type", FT_UINT8, BASE_DEC, VALS(pfcp_redirect_address_type_vals), 0x0f, NULL, HFILL } }, { &hf_pfcp_redirect_server_addr_len, { "Redirect Server Address Length", "pfcp.redirect_server_addr_len", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_redirect_server_address, { "Redirect Server Address", "pfcp.redirect_server_address", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_linked_urr_id, { "Linked URR ID", "pfcp.linked_urr_id", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_outer_hdr_desc, { "Outer Header Creation Description", "pfcp.outer_hdr_desc", FT_UINT8, BASE_DEC, VALS(pfcp_outer_hdr_desc_vals), 0x0, NULL, HFILL } }, { &hf_pfcp_outer_hdr_creation_teid, { "TEID", "pfcp.outer_hdr_creation.teid", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_outer_hdr_creation_ipv4, { "IPv4 Address", "pfcp.outer_hdr_creation.ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_outer_hdr_creation_ipv6, { "IPv6 Address", "pfcp.outer_hdr_creation.ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_outer_hdr_creation_port, { "Port Number", "pfcp.outer_hdr_creation.port", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_tos_traf_class, { "ToS/Traffic Class", "pfcp.tos_traf_class.port", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_time_threshold, { "Time Threshold", "pfcp.time_threshold", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_forwarding_policy_id_len, { "Forwarding Policy Identifier Length", "pfcp.forwarding_policy_id_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_forwarding_policy_id, { "Forwarding Policy Identifier", "pfcp.forwarding_policy_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_measurement_method_flags, { "Flags", "pfcp.measurement_method_flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_durat, { "DURAT (Duration)", "pfcp.measurement_method_flags.durat", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_b1_volume, { "VOLUM (Volume)", "pfcp.measurement_method_flags.volume", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_b2_event, { "EVENT (Event)", "pfcp.measurement_method_flags.event", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL } }, { &hf_pfcp_subsequent_time_threshold, { "Subsequent Time Threshold", "pfcp.subsequent_time_threshold", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_inactivity_detection_time, { "Inactivity Detection Time", "pfcp.inactivity_detection_time", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_monitoring_time, { "Monitoring Time", "pfcp.monitoring_time", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_pfcp_reporting_triggers, { "Flags", "pfcp.reporting_triggers_flags", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_perio, { "PERIO (Periodic Reporting)", "pfcp.reporting_triggers_flags.perio", FT_BOOLEAN, 16, NULL, 0x0001, NULL, HFILL } }, { &hf_pfcp_b1_volth, { "VOLTH (Volume Threshold)", "pfcp.reporting_triggers_flags.volth", FT_BOOLEAN, 16, NULL, 0x0002, NULL, HFILL } }, { &hf_pfcp_b2_timth, { "TIMTH (Time Threshold)", "pfcp.reporting_triggers_flags.timth", FT_BOOLEAN, 16, NULL, 0x0004, NULL, HFILL } }, { &hf_pfcp_b3_quhti, { "QUHTI (Quota Holding Time)", "pfcp.reporting_triggers_flags.quhti", FT_BOOLEAN, 16, NULL, 0x0008, NULL, HFILL } }, { &hf_pfcp_b4_start, { "START (Start of Traffic)", "pfcp.reporting_triggers_flags.start", FT_BOOLEAN, 16, NULL, 0x0010, NULL, HFILL } }, { &hf_pfcp_b5_stopt, { "STOPT (Stop of Traffic)", "pfcp.reporting_triggers_flags.stopt", FT_BOOLEAN, 16, NULL, 0x0020, NULL, HFILL } }, { &hf_pfcp_b6_droth, { "DROTH (Dropped DL Traffic Threshold)", "pfcp.reporting_triggers_flags.droth", FT_BOOLEAN, 16, NULL, 0x0040, NULL, HFILL } }, { &hf_pfcp_b7_liusa, { "LIUSA (Linked Usage Reporting)", "pfcp.reporting_triggers_flags.liusa", FT_BOOLEAN, 16, NULL, 0x0080, NULL, HFILL } }, { &hf_pfcp_b8_volqu, { "VOLQU (Volume Quota)", "pfcp.reporting_triggers_flags.volqu", FT_BOOLEAN, 16, NULL, 0x0100, NULL, HFILL } }, { &hf_pfcp_b9_timqu, { "TIMQU (Time Quota)", "pfcp.reporting_triggers_flags.timqu", FT_BOOLEAN, 16, NULL, 0x0200, NULL, HFILL } }, { &hf_pfcp_volume_threshold, { "Flags", "pfcp.volume_threshold", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_tovol, { "TOVOL", "pfcp.tovol_flg", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_b1_ulvol, { "ULVOL", "pfcp.ulvol_flg", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_b2_dlvol, { "DLVOL", "pfcp.dlvol_flg", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL } }, { &hf_pfcp_volume_threshold_tovol, { "Total Volume", "pfcp.volume_threshold.tovol", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_volume_threshold_ulvol, { "Uplink Volume", "pfcp.volume_threshold.ulvol", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_volume_threshold_dlvol, { "Downlink Volume", "pfcp.volume_threshold.dlvol", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_volume_quota, { "Flags", "pfcp.volume_quota", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_volume_quota_tovol, { "Total Volume", "pfcp.volume_quota.tovol", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_volume_quota_ulvol, { "Uplink Volume", "pfcp.volume_quota.ulvol", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_volume_quota_dlvol, { "Downlink Volume", "pfcp.volume_quota.dlvol", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_subseq_volume_threshold, { "Flags", "pfcp.subseq_volume_threshold", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_subseq_volume_threshold_b0_tovol, { "TOVOL", "pfcp.subseq_volume_threshold.tovol_flg", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_subseq_volume_threshold_b1_ulvol, { "ULVOL", "pfcp.subseq_volume_threshold.ulvol_flg", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_subseq_volume_threshold_b2_dlvol, { "DLVOL", "pfcp.subseq_volume_threshold.dlvol_flg", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL } }, { &hf_pfcp_subseq_volume_threshold_tovol, { "Total Volume", "pfcp.subseq_volume_threshold.tovol", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_subseq_volume_threshold_ulvol, { "Uplink Volume", "pfcp.subseq_volume_threshold.ulvol", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_subseq_volume_threshold_dlvol, { "Downlink Volume", "pfcp.subseq_volume_threshold.dlvol", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_time_quota, { "Time Quota", "pfcp.time_quota", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_start_time, { "Start Time", "pfcp.start_time", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_pfcp_end_time, { "End Time", "pfcp.start_time", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } }, { &hf_pfcp_quota_holding_time, { "Quota Holding Time", "pfcp.quota_holding_time", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_dropped_dl_traffic_threshold, { "Flags", "pfcp.dropped_dl_traffic_threshold", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_dropped_dl_traffic_threshold_b0_dlpa, { "DLPA", "pfcp.dropped_dl_traffic_threshold.dlpa_flg", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_downlink_packets, { "Downlink Packets", "pfcp.downlink_packets", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_qer_correlation_id, { "QER Correlation ID", "pfcp.qer_correlation_id", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_gate_status, { "Flags", "pfcp.gate_status", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_gate_status_b0b1_dlgate, { "DL Gate", "pfcp.gate_status.ulgate", FT_UINT8, BASE_DEC, VALS(pfcp_gate_status_vals), 0x03, NULL, HFILL } }, { &hf_pfcp_gate_status_b3b2_ulgate, { "UL Gate", "pfcp.gate_status.ulgate", FT_UINT8, BASE_DEC, VALS(pfcp_gate_status_vals), 0x0e, NULL, HFILL } }, { &hf_pfcp_ul_mbr, { "UL MBR", "pfcp.ul_mbr", FT_UINT40, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_dl_mbr, { "DL MBR", "pfcp.dl_mbr", FT_UINT40, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_ul_gbr, { "UL GBR", "pfcp.ul_gbr", FT_UINT40, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_dl_gbr, { "DL GBR", "pfcp.dl_gbr", FT_UINT40, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_report_type, { "Flags", "pfcp.report_type", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b2_erir, { "DLDR (Downlink Data Report)", "pfcp.report_type.erir", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_b1_usar, { "USAR (Usage Report)", "pfcp.report_type.usar", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_b0_dldr, { "ERIR (Error Indication Report)", "pfcp.report_type.dldr", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL } }, { &hf_pfcp_offending_ie, { "Type of the offending IE", "pfcp.offending_ie", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &pfcp_ie_type_ext, 0x0, NULL, HFILL } }, { &hf_pfcp_up_function_features, { "Flags", "pfcp.up_function_features", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_bucp, { "BUCP", "pfcp.up_function_features.bucp", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0001, "Downlink Data Buffering in CP function", HFILL } }, { &hf_pfcp_b1_ddnd, { "DDND", "pfcp.up_function_features.ddnd", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0002, "Buffering parameter 'Downlink Data Notification Delay", HFILL } }, { &hf_pfcp_b2_dlbd, { "DLBD", "pfcp.up_function_features.dlbd", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0004, NULL, HFILL } }, { &hf_pfcp_b3_trst, { "TRST", "pfcp.up_function_features.trst", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0008, "Traffic Steering", HFILL } }, { &hf_pfcp_b4_ftup, { "FTUP", "pfcp.up_function_features.ftup", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0010, "F-TEID allocation / release in the UP function", HFILL } }, { &hf_pfcp_b5_pfdm, { "PFDM", "pfcp.up_function_features.pfdm", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0020, "PFD Management procedure", HFILL } }, { &hf_pfcp_b6_heeu, { "HEEU", "pfcp.up_function_features.heeu", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0040, "Header Enrichment of Uplink traffic", HFILL } }, { &hf_pfcp_b7_treu, { "TREU", "pfcp.up_function_features.treu", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0080, "Traffic Redirection Enforcement in the UP function", HFILL } }, { &hf_pfcp_b8_empu, { "EMPU", "pfcp.up_function_features.empu", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0100, "Sending of End Marker packets", HFILL } }, { &hf_pfcp_sequence_number, { "Sequence Number", "pfcp.sequence_number", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_metric, { "Metric", "pfcp.metric", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_timer_unit, { "Timer unit", "pfcp.timer_unit", FT_UINT8, BASE_DEC, VALS(pfcp_timer_unit_vals), 0xe0, NULL, HFILL } }, { &hf_pfcp_timer_value, { "Timer value", "pfcp.timer_value", FT_UINT8, BASE_DEC, NULL, 0x1f, NULL, HFILL } }, { &hf_pfcp_usage_report_trigger, { "Flags", "pfcp.usage_report_trigger", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b7_immer, { "IMMER (Immediate Report)", "pfcp.usage_report_trigger.immer", FT_BOOLEAN, 16, NULL, 0x0080, NULL, HFILL } }, { &hf_pfcp_b10_liusa, { "LIUSA (Linked Usage Reporting)", "pfcp.usage_report_trigger.liusa", FT_BOOLEAN, 16, NULL, 0x0200, NULL, HFILL } }, { &hf_pfcp_volume_measurement, { "Flags", "pfcp.volume_measurement", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_vol_meas_tovol, { "Total Volume", "pfcp.volume_measurement.tovol", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_vol_meas_ulvol, { "Uplink Volume", "pfcp.volume_measurement.ulvol", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_vol_meas_dlvol, { "Downlink Volume", "pfcp.volume_measurement.dlvol", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_cp_function_features, { "Flags", "pfcp.cp_function_features", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_load, { "LOAD", "pfcp.cp_function_features.load", FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x01, "Load Control", HFILL } }, { &hf_pfcp_b1_ovrl, { "OVRL", "pfcp.cp_function_features.ovrl", FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x02, "Overload Control", HFILL } }, { &hf_pfcp_usage_information, { "Flags", "pfcp.usage_information", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_bef, { "BEF (Before)", "pfcp.usage_information.bef", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_b1_aft, { "AFT (After)", "pfcp.usage_information.aft", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_b2_uae, { "UAE (Usage After Enforcement)", "pfcp.usage_information.uae", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL } }, { &hf_pfcp_b3_ube, { "UBE (Usage Before Enforcement)", "pfcp.usage_information.ube", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL } }, { &hf_pfcp_application_instance_id, { "Application Instance Identifier", "pfcp.application_instance_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_flow_dir, { "Flow Direction", "pfcp.flow_dir", FT_UINT8, BASE_DEC, VALS(pfcp_flow_dir_vals), 0x07, NULL, HFILL } }, { &hf_pfcp_packet_rate, { "Flags", "pfcp.packet_rate", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_ulpr_b0, { "ULPR (Uplink Packet Rate)", "pfcp.packet_rate.ulpr", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01, NULL, HFILL } }, { &hf_pfcp_dlpr_b1, { "DLPR (Downlink Packet Rate)", "pfcp.packet_rate.dlpr", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02, NULL, HFILL } }, { &hf_pfcp_ul_time_unit, { "Uplink Time Unit", "pfcp.ul_time_unit", FT_UINT8, BASE_DEC, VALS(pfcp_pr_time_unit_vals), 0x07, NULL, HFILL } }, { &hf_pfcp_max_ul_pr, { "Maximum Uplink Packet Rate", "pfcp.max_ul_pr", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_dl_time_unit, { "Downlink Time Unit", "pfcp.dl_time_unit", FT_UINT8, BASE_DEC, VALS(pfcp_pr_time_unit_vals), 0x07, NULL, HFILL } }, { &hf_pfcp_max_dl_pr, { "Maximum Downlink Packet Rate", "pfcp.max_dl_pr", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_dl_flow_level_marking, { "Flags", "pfcp.dl_flow_level_marking", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_ttc, { "TTC (ToS/Traffic Class)", "pfcp.dl_flow_level_marking.ttc", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01, NULL, HFILL } }, { &hf_pfcp_b1_sci, { "SCI(Service Class Indicator)", "pfcp.dl_flow_level_marking.sci", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02, NULL, HFILL } }, { &hf_pfcp_sci, { "Service Class Indicator", "pfcp.sci", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_dl_data_notification_delay, { "Delay Value", "pfcp.dl_data_notification_delay", FT_UINT8, BASE_DEC, NULL, 0x0, "Delay Value in integer multiples of 50 millisecs, or zero", HFILL } }, { &hf_pfcp_packet_count, { "Packet Count", "pfcp.packet_count", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_pfcp_dl_data_service_inf_flags, { "Flags", "pfcp.dl_data_service_inf_flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_ppi, { "PPI(Paging Policy Indication)", "pfcp.dl_data_service_inf.ppi", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01, NULL, HFILL } }, { &hf_pfcp_ppi, { "Paging Policy Indication", "pfcp.ppi", FT_UINT16, BASE_DEC, NULL, 0x7f, NULL, HFILL } }, { &hf_pfcp_sxsmreq_flags, { "Flags", "pfcp.sxsmreq_flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_drobu, { "DROBU (Drop Buffered Packets)", "pfcp.sxsmreq_flags.drobu", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_b1_sndem, { "SNDEM (Send End Marker Packets)", "pfcp.sxsmreq_flags.sndem", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_sxsrrsp_flags, { "Flags", "pfcp.sxsrrsp_flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_pfd_contents_flags, { "Flags", "pfcp.pfd_contents_flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_fd, { "FD (Flow Description)", "pfcp.pfd_contents_flags.fd", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_b1_url, { "URL (URL)", "pfcp.pfd_contents_flags.url", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_b2_dn, { "DN (Domain Name)", "pfcp.pfd_contents_flags.dn", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL } }, { &hf_pfcp_b3_cp, { "CP (Custom PFD Content)", "pfcp.pfd_contents_flags.cp", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL } }, { &hf_pfcp_url_len, { "Length of URL", "pfcp.url_len", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_url, { "URL", "pfcp.url", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_dn_len, { "Length of Domain Name", "pfcp.dn_len", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_dn, { "Domain Name", "pfcp.dn", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_cp_len, { "Length of Custom PFD Content", "pfcp.cp_len", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_cp, { "Custom PFD Content", "pfcp.cp", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_header_type, { "Header Type", "pfcp.header_type", FT_UINT8, BASE_DEC, VALS(pfcp_header_type_vals), 0x1f, NULL, HFILL } }, { &hf_pfcp_hf_len, { "Length of Header Field Name", "pfcp.hf_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_hf_name, { "Header Field Name", "pfcp.hf_name", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_hf_val_len, { "Length of Header Field Value", "pfcp.hf_val_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_hf_val, { "Header Field Value", "pfcp.hf_val", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_measurement_info, { "Flags", "pfcp.measurement_info", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_mbqe, { "MBQE (Measurement Before QoS Enforcement)", "pfcp.measurement_info.fd", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_b1_inam, { "INAM (Inactive Measurement)", "pfcp.measurement_info.inam", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_node_report_type, { "Flags", "pfcp.node_report_type", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_upfr, { "UPFR (User Plane Path Failure Report)", "pfcp.node_report_type.upfr", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_remote_gtp_u_peer, { "Flags", "pfcp.remote_gtp_u_peer", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_gtp_u_peer_flag_b0, { "V6", "pfcp.gtp_u_peer_flag.v6", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_gtp_u_peer_flag_b1, { "V6", "pfcp.gtp_u_peer_flag.v4", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL } }, { &hf_pfcp_remote_gtp_u_peer_ipv4, { "IPv4 address", "pfcp.node_id_ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_remote_gtp_u_peer_ipv6, { "IPv6 address", "pfcp.node_id_ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_ur_seqn, { "UR-SEQN", "pfcp.ur_seqn", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_oci_flags, { "Flags", "pfcp.oci_flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_aoci, { "AOCI: Associate OCI with Node ID", "pfcp.oci_flags.aoci", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, { &hf_pfcp_sx_assoc_rel_req_flags, { "Flags", "pfcp.sx_assoc_rel_req", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_pfcp_b0_sarr, { "SARR (Sx Association Release Request)", "pfcp.sx_assoc_rel_req.sarr", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL } }, }; /* Setup protocol subtree array */ #define NUM_INDIVIDUAL_ELEMS_PFCP 32 gint *ett[NUM_INDIVIDUAL_ELEMS_PFCP + (NUM_PFCP_IES - 1)]; ett[0] = &ett_pfcp; ett[1] = &ett_pfcp_flags; ett[2] = &ett_pfcp_ie; ett[3] = &ett_pfcp_grouped_ie; ett[4] = &ett_pfcp_f_seid_flags; ett[5] = &ett_f_teid_flags; ett[6] = &ett_pfcp_ue_ip_address_flags; ett[7] = &ett_pfcp_sdf_filter_flags; ett[8] = &ett_pfcp_apply_action_flags; ett[9] = &ett_pfcp_measurement_method_flags; ett[10] = &ett_pfcp_reporting_triggers; ett[11] = &ett_pfcp_volume_threshold; ett[12] = &ett_pfcp_volume_quota; ett[13] = &ett_pfcp_subseq_volume_threshold; ett[14] = &ett_pfcp_dropped_dl_traffic_threshold; ett[15] = &ett_pfcp_gate_status; ett[16] = &ett_pfcp_report_type; ett[17] = &ett_pfcp_up_function_features; ett[18] = &ett_pfcp_report_trigger; ett[19] = &ett_pfcp_volume_measurement; ett[20] = &ett_pfcp_cp_function_features; ett[21] = &ett_pfcp_usage_information; ett[22] = &ett_pfcp_packet_rate; ett[23] = &ett_pfcp_pfcp_dl_flow_level_marking; ett[24] = &ett_pfcp_dl_data_service_inf; ett[25] = &ett_pfcp_sxsmreq; ett[26] = &ett_pfcp_sxsrrsp; ett[27] = &ett_pfcp_measurement_info; ett[28] = &ett_pfcp_node_report_type; ett[29] = &ett_pfcp_remote_gtp_u_peer; ett[30] = &ett_pfcp_oci_flags; ett[31] = &ett_sx_assoc_rel_req_flags; static ei_register_info ei[] = { { &ei_pfcp_ie_reserved,{ "pfcp.ie_id_reserved", PI_PROTOCOL, PI_ERROR, "Reserved IE value used", EXPFILL } }, { &ei_pfcp_ie_data_not_decoded,{ "pfcp.ie_data_not_decoded", PI_UNDECODED, PI_NOTE, "IE data not decoded by WS yet", EXPFILL } }, { &ei_pfcp_ie_not_decoded_null,{ "pfcp.ie_not_decoded_null", PI_UNDECODED, PI_NOTE, "IE not decoded yet(WS:no decoding function(NULL))", EXPFILL } }, { &ei_pfcp_ie_not_decoded_to_large,{ "pfcp.ie_not_decoded", PI_UNDECODED, PI_NOTE, "IE not decoded yet(WS:IE id to large)", EXPFILL } }, { &ei_pfcp_enterprise_ie_3gpp,{ "pfcp.ie_enterprise_3gpp", PI_PROTOCOL, PI_ERROR, "IE not decoded yet(WS:No vendor dissector)", EXPFILL } }, { &ei_pfcp_ie_encoding_error,{ "pfcp.ie_encoding_error", PI_PROTOCOL, PI_ERROR, "IE wrongly encoded)", EXPFILL } }, }; expert_module_t* expert_pfcp; guint last_index = NUM_INDIVIDUAL_ELEMS_PFCP, i; for (i = 0; i < (NUM_PFCP_IES-1); i++, last_index++) { ett_pfcp_elem[i] = -1; ett[last_index] = &ett_pfcp_elem[i]; } proto_pfcp = proto_register_protocol("Packet Forwarding Control Protocol", "PFCP", "pfcp"); pfcp_handle = register_dissector("pfcp", dissect_pfcp, proto_pfcp); proto_register_field_array(proto_pfcp, hf_pfcp, array_length(hf_pfcp)); proto_register_subtree_array(ett, array_length(ett)); expert_pfcp = expert_register_protocol(proto_pfcp); expert_register_field_array(expert_pfcp, ei, array_length(ei)); /* Register dissector table for enterprise IE dissectors */ pfcp_enterprise_ies_dissector_table = register_dissector_table("pfcp.enterprise_ies", "PFCP Enterprice IEs", proto_pfcp, FT_UINT32, BASE_DEC); pfcp_3gpp_ies_handle = register_dissector("pfcp_3gpp_ies", dissect_pfcp_3gpp_enterprise_ies, proto_pfcp); } void proto_reg_handoff_pfcp(void) { dissector_add_for_decode_as_with_preference("udp.port", pfcp_handle); /* Register 3GPP in the table to give expert info and serve as an example how to add decoding of enterprise IEs*/ dissector_add_uint("pfcp.enterprise_ies", VENDOR_THE3GPP, pfcp_3gpp_ies_handle); } /* * Editor modelines - http://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * vi: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */