/* packet-ldp.c * Routines for LDP (RFC 3036) packet disassembly * * Copyright (c) November 2000 by Richard Sharpe * * CRLDP (RFC3212) is now supported * - (c) 2002 Michael Rozhavsky * * (c) Copyright 2011, Shobhank Sharma * - update the VCCV bitmaps as per RFC 5885 * * (c) Copyright 2012, Aditya Ambadkar and Diana Chris * - support for the flowlabel sub-tlv as per RFC 6391 * * (c) Copyright 2013, Gaurav Patwardhan * - support for the GTSM flag as per RFC 6720 * * (c) Copyright 2013, Rupesh Patro * - Support for Upstream-Assigned Label TLVs and Sub-TLVs as per RFC 6389 * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1999 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. */ #include "config.h" #include #include #include #include #include #include #include #include "packet-diffserv-mpls-common.h" #include "packet-ldp.h" #define TCP_PORT_LDP 646 #define UDP_PORT_LDP 646 void proto_register_ldp(void); void proto_reg_handoff_ldp(void); static int proto_ldp = -1; /* Delete the following if you do not use it, or add to it if you need */ /* static int hf_ldp_req = -1; */ /* static int hf_ldp_rsp = -1; */ static int hf_ldp_version = -1; static int hf_ldp_pdu_len = -1; static int hf_ldp_lsr = -1; static int hf_ldp_ls_id = -1; static int hf_ldp_msg_ubit = -1; static int hf_ldp_msg_type = -1; static int hf_ldp_msg_len = -1; static int hf_ldp_msg_id = -1; static int hf_ldp_msg_vendor_id = -1; static int hf_ldp_msg_experiment_id = -1; static int hf_ldp_tlv_value = -1; static int hf_ldp_tlv_type = -1; static int hf_ldp_tlv_unknown = -1; static int hf_ldp_tlv_len = -1; static int hf_ldp_tlv_val_hold = -1; static int hf_ldp_tlv_val_target = -1; static int hf_ldp_tlv_val_request = -1; static int hf_ldp_tlv_val_res = -1; static int hf_ldp_tlv_val_gtsm_flag = -1; static int hf_ldp_tlv_ipv4_taddr = -1; static int hf_ldp_tlv_config_seqno = -1; static int hf_ldp_tlv_ipv6_taddr = -1; static int hf_ldp_tlv_fec_wc = -1; static int hf_ldp_tlv_fec_af = -1; static int hf_ldp_tlv_fec_len = -1; static int hf_ldp_tlv_fec_pfval = -1; static int hf_ldp_tlv_fec_hoval = -1; static int hf_ldp_tlv_addrl_addr_family = -1; static int hf_ldp_tlv_addrl_addr = -1; static int hf_ldp_tlv_hc_value = -1; static int hf_ldp_tlv_pv_lsrid = -1; static int hf_ldp_tlv_generic_label = -1; static int hf_ldp_tlv_atm_label_vbits = -1; static int hf_ldp_tlv_atm_label_vpi = -1; static int hf_ldp_tlv_atm_label_vci = -1; static int hf_ldp_tlv_fr_label_len = -1; static int hf_ldp_tlv_fr_label_dlci = -1; static int hf_ldp_tlv_ft_protect_sequence_num = -1; static int hf_ldp_tlv_status_ebit = -1; static int hf_ldp_tlv_status_fbit = -1; static int hf_ldp_tlv_status_data = -1; static int hf_ldp_tlv_status_msg_id = -1; static int hf_ldp_tlv_status_msg_type = -1; static int hf_ldp_tlv_extstatus_data = -1; static int hf_ldp_tlv_returned_version = -1; static int hf_ldp_tlv_returned_pdu_len = -1; static int hf_ldp_tlv_returned_lsr = -1; static int hf_ldp_tlv_returned_ls_id = -1; static int hf_ldp_tlv_returned_msg_ubit = -1; static int hf_ldp_tlv_returned_msg_type = -1; static int hf_ldp_tlv_returned_msg_len = -1; static int hf_ldp_tlv_returned_msg_id = -1; static int hf_ldp_tlv_mac = -1; static int hf_ldp_tlv_sess_ver = -1; static int hf_ldp_tlv_sess_ka = -1; static int hf_ldp_tlv_sess_advbit = -1; static int hf_ldp_tlv_sess_ldetbit = -1; static int hf_ldp_tlv_sess_pvlim = -1; static int hf_ldp_tlv_sess_mxpdu = -1; static int hf_ldp_tlv_sess_rxlsr = -1; static int hf_ldp_tlv_sess_rxls = -1; static int hf_ldp_tlv_sess_atm_merge = -1; static int hf_ldp_tlv_sess_atm_lr = -1; static int hf_ldp_tlv_sess_atm_dir = -1; static int hf_ldp_tlv_sess_atm_minvpi = -1; static int hf_ldp_tlv_sess_atm_maxvpi = -1; static int hf_ldp_tlv_sess_atm_minvci = -1; static int hf_ldp_tlv_sess_atm_maxvci = -1; static int hf_ldp_tlv_sess_fr_merge = -1; static int hf_ldp_tlv_sess_fr_lr = -1; static int hf_ldp_tlv_sess_fr_dir = -1; static int hf_ldp_tlv_sess_fr_len = -1; static int hf_ldp_tlv_sess_fr_mindlci = -1; static int hf_ldp_tlv_sess_fr_maxdlci = -1; static int hf_ldp_tlv_ft_sess_flags = -1; static int hf_ldp_tlv_ft_sess_flag_r = -1; static int hf_ldp_tlv_ft_sess_flag_res = -1; static int hf_ldp_tlv_ft_sess_flag_s = -1; static int hf_ldp_tlv_ft_sess_flag_a = -1; static int hf_ldp_tlv_ft_sess_flag_c = -1; static int hf_ldp_tlv_ft_sess_flag_l = -1; static int hf_ldp_tlv_ft_sess_res = -1; static int hf_ldp_tlv_ft_sess_reconn_to = -1; static int hf_ldp_tlv_ft_sess_recovery_time = -1; static int hf_ldp_tlv_ft_ack_sequence_num = -1; static int hf_ldp_tlv_lbl_req_msg_id = -1; static int hf_ldp_tlv_vendor_id = -1; static int hf_ldp_tlv_experiment_id = -1; static int hf_ldp_tlv_fec_vc_controlword = -1; static int hf_ldp_tlv_fec_vc_vctype = -1; static int hf_ldp_tlv_fec_vc_infolength = -1; static int hf_ldp_tlv_fec_vc_groupid = -1; static int hf_ldp_tlv_fec_vc_vcid = -1; static int hf_ldp_tlv_fec_vc_intparam_length = -1; static int hf_ldp_tlv_fec_vc_intparam_mtu = -1; static int hf_ldp_tlv_fec_vc_intparam_tdmbps = -1; static int hf_ldp_tlv_fec_vc_intparam_id = -1; static int hf_ldp_tlv_fec_vc_intparam_maxcatmcells = -1; static int hf_ldp_tlv_fec_vc_intparam_desc = -1; static int hf_ldp_tlv_fec_vc_intparam_cepbytes = -1; static int hf_ldp_tlv_fec_vc_intparam_cepopt_ais = -1; static int hf_ldp_tlv_fec_vc_intparam_cepopt_une = -1; static int hf_ldp_tlv_fec_vc_intparam_cepopt_rtp = -1; static int hf_ldp_tlv_fec_vc_intparam_cepopt_ebm = -1; static int hf_ldp_tlv_fec_vc_intparam_cepopt_mah = -1; static int hf_ldp_tlv_fec_vc_intparam_cepopt_res = -1; static int hf_ldp_tlv_fec_vc_intparam_cepopt_ceptype = -1; static int hf_ldp_tlv_fec_vc_intparam_cepopt_t3 = -1; static int hf_ldp_tlv_fec_vc_intparam_cepopt_e3 = -1; static int hf_ldp_tlv_fec_vc_intparam_vlanid = -1; static int hf_ldp_tlv_fec_vc_intparam_dlcilen = -1; static int hf_ldp_tlv_fec_vc_intparam_fcslen = -1; static int hf_ldp_tlv_fec_vc_intparam_tdmopt_r = -1; static int hf_ldp_tlv_fec_vc_intparam_tdmopt_d = -1; static int hf_ldp_tlv_fec_vc_intparam_tdmopt_f = -1; static int hf_ldp_tlv_fec_vc_intparam_tdmopt_res1 = -1; static int hf_ldp_tlv_fec_vc_intparam_tdmopt_pt = -1; static int hf_ldp_tlv_fec_vc_intparam_tdmopt_res2 = -1; static int hf_ldp_tlv_fec_vc_intparam_tdmopt_freq = -1; static int hf_ldp_tlv_fec_vc_intparam_tdmopt_ssrc = -1; static int hf_ldp_tlv_fec_vc_intparam_vccv_cctype_cw = -1; static int hf_ldp_tlv_fec_vc_intparam_vccv_cctype_mplsra = -1; static int hf_ldp_tlv_fec_vc_intparam_vccv_cctype_ttl1 = -1; static int hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_icmpping = -1; static int hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_lspping = -1; static int hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd1 = -1; static int hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd2 = -1; static int hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd3 = -1; static int hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd4 = -1; static int hf_ldp_tlv_fec_vc_intparam_flowlabel_t = -1; /* Flow label interface parameter RFC6391 */ static int hf_ldp_tlv_fec_vc_intparam_flowlabel_r = -1; /* Flow label interface parameter RFC6391 */ static int hf_ldp_tlv_fec_vc_intparam_flowlabel_res = -1; /* Flow label interface parameter RFC6391 */ static int hf_ldp_tlv_lspid_act_flg = -1; static int hf_ldp_tlv_lspid_cr_lsp = -1; static int hf_ldp_tlv_lspid_ldpid = -1; static int hf_ldp_tlv_er_hop_loose = -1; static int hf_ldp_tlv_er_hop_prelen = -1; static int hf_ldp_tlv_er_hop_prefix4 = -1; static int hf_ldp_tlv_er_hop_prefix6 = -1; static int hf_ldp_tlv_er_hop_as = -1; static int hf_ldp_tlv_er_hop_cr_lsp = -1; static int hf_ldp_tlv_er_hop_ldpid = -1; static int hf_ldp_tlv_flags_reserv = -1; static int hf_ldp_tlv_flags_weight = -1; static int hf_ldp_tlv_flags_ebs = -1; static int hf_ldp_tlv_flags_cbs = -1; static int hf_ldp_tlv_flags_cdr = -1; static int hf_ldp_tlv_flags_pbs = -1; static int hf_ldp_tlv_flags_pdr = -1; static int hf_ldp_tlv_frequency = -1; static int hf_ldp_tlv_pdr = -1; static int hf_ldp_tlv_pbs = -1; static int hf_ldp_tlv_cdr = -1; static int hf_ldp_tlv_cbs = -1; static int hf_ldp_tlv_ebs = -1; static int hf_ldp_tlv_weight = -1; static int hf_ldp_tlv_set_prio = -1; static int hf_ldp_tlv_hold_prio = -1; static int hf_ldp_tlv_route_pinning = -1; static int hf_ldp_tlv_resource_class = -1; /* static int hf_ldp_tlv_diffserv = -1; */ static int hf_ldp_tlv_diffserv_type = -1; static int hf_ldp_tlv_diffserv_mapnb = -1; static int hf_ldp_tlv_diffserv_map = -1; static int hf_ldp_tlv_diffserv_map_exp = -1; static int hf_ldp_tlv_diffserv_phbid = -1; static int hf_ldp_tlv_diffserv_phbid_dscp = -1; static int hf_ldp_tlv_diffserv_phbid_code = -1; static int hf_ldp_tlv_diffserv_phbid_bit14 = -1; static int hf_ldp_tlv_diffserv_phbid_bit15 = -1; static int hf_ldp_tlv_fec_gen_agi_type = -1; static int hf_ldp_tlv_fec_gen_agi_length = -1; static int hf_ldp_tlv_fec_gen_agi_value = -1; static int hf_ldp_tlv_fec_gen_saii_type = -1; static int hf_ldp_tlv_fec_gen_saii_length = -1; static int hf_ldp_tlv_fec_gen_saii_value = -1; static int hf_ldp_tlv_fec_gen_taii_type = -1; static int hf_ldp_tlv_fec_gen_taii_length = -1; static int hf_ldp_tlv_fec_gen_taii_value = -1; static int hf_ldp_tlv_fec_gen_aai_globalid = -1; static int hf_ldp_tlv_fec_gen_aai_prefix = -1; static int hf_ldp_tlv_fec_gen_aai_ac_id = -1; static int hf_ldp_tlv_pw_status_data = -1; static int hf_ldp_tlv_pw_not_forwarding = -1; static int hf_ldp_tlv_pw_lac_ingress_recv_fault = -1; static int hf_ldp_tlv_pw_lac_egress_recv_fault = -1; static int hf_ldp_tlv_pw_psn_pw_ingress_recv_fault = -1; static int hf_ldp_tlv_pw_psn_pw_egress_recv_fault = -1; static int hf_ldp_tlv_pw_grouping_value = -1; static int hf_ldp_tlv_intparam_length = -1; static int hf_ldp_tlv_intparam_mtu = -1; static int hf_ldp_tlv_intparam_tdmbps = -1; static int hf_ldp_tlv_intparam_id = -1; static int hf_ldp_tlv_intparam_maxcatmcells = -1; static int hf_ldp_tlv_intparam_desc = -1; static int hf_ldp_tlv_intparam_cepbytes = -1; static int hf_ldp_tlv_intparam_cepopt_ais = -1; static int hf_ldp_tlv_intparam_cepopt_une = -1; static int hf_ldp_tlv_intparam_cepopt_rtp = -1; static int hf_ldp_tlv_intparam_cepopt_ebm = -1; static int hf_ldp_tlv_intparam_cepopt_mah = -1; static int hf_ldp_tlv_intparam_cepopt_res = -1; static int hf_ldp_tlv_intparam_cepopt_ceptype = -1; static int hf_ldp_tlv_intparam_cepopt_t3 = -1; static int hf_ldp_tlv_intparam_cepopt_e3 = -1; static int hf_ldp_tlv_intparam_vlanid = -1; static int hf_ldp_tlv_intparam_dlcilen = -1; static int hf_ldp_tlv_intparam_fcslen = -1; static int hf_ldp_tlv_intparam_tdmopt_r = -1; static int hf_ldp_tlv_intparam_tdmopt_d = -1; static int hf_ldp_tlv_intparam_tdmopt_f = -1; static int hf_ldp_tlv_intparam_tdmopt_res1 = -1; static int hf_ldp_tlv_intparam_tdmopt_pt = -1; static int hf_ldp_tlv_intparam_tdmopt_res2 = -1; static int hf_ldp_tlv_intparam_tdmopt_freq = -1; static int hf_ldp_tlv_intparam_tdmopt_ssrc = -1; static int hf_ldp_tlv_intparam_vccv_cctype_cw = -1; static int hf_ldp_tlv_intparam_vccv_cctype_mplsra = -1; static int hf_ldp_tlv_intparam_vccv_cctype_ttl1 = -1; static int hf_ldp_tlv_intparam_vccv_cvtype_icmpping = -1; static int hf_ldp_tlv_intparam_vccv_cvtype_lspping = -1; static int hf_ldp_tlv_intparam_vccv_cvtype_bfd = -1; static int hf_ldp_tlv_upstr_sbit = -1; static int hf_ldp_tlv_upstr_lbl_req_resvbit = -1; static int hf_ldp_tlv_upstr_ass_lbl = -1; static int hf_ldp_tlv_upstr_lbl_resvbit = -1; static int hf_ldp_tlv_ipv4_intID_hop_addr = -1; static int hf_ldp_tlv_logical_intID = -1; static int hf_ldp_tlv_ip_multicast_srcaddr = -1; static int hf_ldp_tlv_ip_multicast_mltcstaddr = -1; static int hf_ldp_tlv_ldp_p2mp_lsptype = -1; static int hf_ldp_tlv_ip_mpls_context_srcaddr = -1; static int hf_ldp_tlv_ldp_p2mp_addrfam = -1; static int hf_ldp_tlv_ldp_p2mp_addrlen = -1; static int hf_ldp_tlv_ldp_p2mp_rtnodeaddr = -1; static int hf_ldp_tlv_ldp_p2mp_oplength = -1; static int hf_ldp_tlv_ldp_p2mp_opvalue = -1; static int hf_ldp_tlv_rsvp_te_p2mp_id = -1; static int hf_ldp_tlv_must_be_zero = -1; static int hf_ldp_tlv_tunnel_id = -1; static int hf_ldp_tlv_ext_tunnel_id = -1; static int hf_ldp_tlv_inv_length = -1; static int hf_ldp_returned_pdu_data = -1; static int hf_ldp_returned_message_parameters = -1; static int hf_ldp_data = -1; static int hf_ldp_unknown_data = -1; static int ett_ldp = -1; static int ett_ldp_header = -1; static int ett_ldp_ldpid = -1; static int ett_ldp_message = -1; static int ett_ldp_tlv = -1; static int ett_ldp_tlv_val = -1; static int ett_ldp_tlv_ft_flags = -1; static int ett_ldp_fec = -1; static int ett_ldp_fec_vc_interfaceparam = -1; static int ett_ldp_fec_vc_interfaceparam_cepopt = -1; static int ett_ldp_fec_vc_interfaceparam_vccvtype = -1; static int ett_ldp_diffserv_map = -1; static int ett_ldp_diffserv_map_phbid = -1; static int ett_ldp_gen_agi = -1; static int ett_ldp_gen_saii = -1; static int ett_ldp_gen_taii = -1; static int ett_ldp_gen_aai_type2 = -1; static int ett_ldp_sub_tlv = -1; static expert_field ei_ldp_dtsm_and_target = EI_INIT; static expert_field ei_ldp_gtsm_supported = EI_INIT; static expert_field ei_ldp_gtsm_not_supported_basic_discovery = EI_INIT; static expert_field ei_ldp_gtsm_not_supported = EI_INIT; static expert_field ei_ldp_inv_length = EI_INIT; static expert_field ei_ldp_tlv_fec_vc_infolength = EI_INIT; static expert_field ei_ldp_tlv_fec_type = EI_INIT; static expert_field ei_ldp_tlv_fec_len = EI_INIT; static expert_field ei_ldp_malformed_data = EI_INIT; static expert_field ei_ldp_address_family_not_implemented = EI_INIT; static expert_field ei_ldp_malformed_interface_parameter = EI_INIT; static expert_field ei_ldp_tlv_fec = EI_INIT; /* desegmentation of LDP over TCP */ static gboolean ldp_desegment = TRUE; static guint32 global_ldp_tcp_port = TCP_PORT_LDP; static guint32 global_ldp_udp_port = UDP_PORT_LDP; /* * The following define all the TLV types I know about * http://www.iana.org/assignments/ldp-namespaces */ #define TLV_FEC 0x0100 #define TLV_ADDRESS_LIST 0x0101 #define TLV_HOP_COUNT 0x0103 #define TLV_PATH_VECTOR 0x0104 #define TLV_GENERIC_LABEL 0x0200 #define TLV_ATM_LABEL 0x0201 #define TLV_FRAME_LABEL 0x0202 #define TLV_FT_PROTECTION 0x0203 #define TLV_STATUS 0x0300 #define TLV_EXTENDED_STATUS 0x0301 #define TLV_RETURNED_PDU 0x0302 #define TLV_RETURNED_MESSAGE 0x0303 #define TLV_COMMON_HELLO_PARMS 0x0400 #define TLV_IPV4_TRANSPORT_ADDRESS 0x0401 #define TLV_CONFIGURATION_SEQNO 0x0402 #define TLV_IPV6_TRANSPORT_ADDRESS 0x0403 #define TLV_MAC 0x0404 #define TLV_COMMON_SESSION_PARMS 0x0500 #define TLV_ATM_SESSION_PARMS 0x0501 #define TLV_FRAME_RELAY_SESSION_PARMS 0x0502 #define TLV_FT_SESSION 0x0503 #define TLV_FT_ACK 0x0504 #define TLV_FT_CORK 0x0505 #define TLV_LABEL_REQUEST_MESSAGE_ID 0x0600 /* RFC5036 */ #define TLV_MTU 0x0601 /* RFC3988 */ #define TLV_ER 0x0800 #define TLV_ER_HOP_IPV4 0x0801 #define TLV_ER_HOP_IPV6 0x0802 #define TLV_ER_HOP_AS 0x0803 #define TLV_ER_HOP_LSPID 0x0804 #define TLV_TRAFFIC_PARAM 0x0810 #define TLV_PREEMPTION 0x0820 #define TLV_LSPID 0x0821 #define TLV_RESOURCE_CLASS 0x0822 #define TLV_ROUTE_PINNING 0x0823 #define TLV_UPSTRM_LBL_ASS_CAP 0x0507 #define TLV_UPSTRM_ASS_LBL_REQ 0x0205 #define TLV_UPSTRM_ASS_LBL 0x0204 #define TLV_IP_MULTICAST_TUNNEL 0x001E #define TLV_MPLS_CONTEXT_LBL 0x001F #define TLV_LDP_P2MP_LSP 0x001D #define TLV_RSVP_TE_P2MP_LSP 0x001C /* 0x0824 Generalized Label Request TLV [RFC3472] 0x0825 Generalized Label TLV [RFC3472] 0x0826 Upstream Label TLV [RFC3472] 0x0827 Label Set TLV [RFC3472] 0x0828 Waveband Label TLV [RFC3472] 0x0829 ER-Hop TLV [RFC3472] 0x082a Acceptable Label Set TLV [RFC3472] 0x082b Admin Status TLV [RFC3472] 0x082c Interface ID TLV [RFC3472] 0x082d IPV4 Interface ID TLV [RFC3472] 0x082e IPV6 Interface ID TLV [RFC3472] 0x082f IPv4 IF_ID Status TLV [RFC3472] 0x0830 IPv6 IF_ID Status TLV [RFC3472] 0x0831 Op-Sp Call ID TLV [RFC3475] 0x0832 GU Call ID TLV [RFC3475] 0x0833 Call Capability TLV [RFC3475] 0x0834 Crankback TLV [RFC3475] 0x0835 Protection TLV [RFC3472] 0x0836 LSP_TUNNEL_INTERFACE_ID TLV [RFC3480] 0x0837 Unnumbered Interface ID TLV [RFC3480] 0x0838 SONET/SDH Traffic Parameters TLV [RFC4606] */ #define TLV_IPV4_INTERFACE_ID 0x082D #define TLV_DIFFSERV 0x0901 #define TLV_VENDOR_PRIVATE_START 0x3E00 #define TLV_VENDOR_PRIVATE_END 0x3EFF #define TLV_EXPERIMENTAL_START 0x3F00 #define TLV_EXPERIMENTAL_END 0x3FFF #define TLV_PW_STATUS 0x096A #define TLV_PW_INTERFACE_PARAMETERS 0x096B #define TLV_PW_GROUPING 0x096C static const value_string tlv_type_names[] = { { TLV_FEC, "Forwarding Equivalence Classes TLV" }, { TLV_ADDRESS_LIST, "Address List TLV"}, { TLV_HOP_COUNT, "Hop Count TLV"}, { TLV_PATH_VECTOR, "Path Vector TLV"}, { TLV_GENERIC_LABEL, "Generic Label TLV"}, { TLV_ATM_LABEL, "ATM Label TLV"}, { TLV_FRAME_LABEL, "Frame Label TLV"}, { TLV_FT_PROTECTION, "FT Protection TLV"}, { TLV_STATUS, "Status TLV"}, { TLV_EXTENDED_STATUS, "Extended Status TLV"}, { TLV_RETURNED_PDU, "Returned PDU TLV"}, { TLV_RETURNED_MESSAGE, "Returned Message TLV"}, { TLV_COMMON_HELLO_PARMS, "Common Hello Parameters TLV"}, { TLV_IPV4_TRANSPORT_ADDRESS, "IPv4 Transport Address TLV"}, { TLV_CONFIGURATION_SEQNO, "Configuration Sequence Number TLV"}, { TLV_IPV6_TRANSPORT_ADDRESS, "IPv6 Transport Address TLV"}, { TLV_MAC, "MAC TLV"}, { TLV_COMMON_SESSION_PARMS, "Common Session Parameters TLV"}, { TLV_ATM_SESSION_PARMS, "ATM Session Parameters TLV"}, { TLV_FRAME_RELAY_SESSION_PARMS, "Frame Relay Session Parameters TLV"}, { TLV_FT_SESSION, "FT Session TLV"}, { TLV_FT_ACK, "FT ACK TLV"}, { TLV_FT_CORK, "FT Cork TLV"}, { TLV_LABEL_REQUEST_MESSAGE_ID, "Label Request Message ID TLV"}, { TLV_MTU, "MTU TLV"}, { TLV_LSPID, "LSP ID TLV"}, { TLV_ER, "Explicit route TLV"}, { TLV_ER_HOP_IPV4, "ER hop IPv4 prefix TLV"}, { TLV_ER_HOP_IPV6, "ER hop IPv6 prefix TLV"}, { TLV_ER_HOP_AS, "ER hop Autonomous system number prefix TLV"}, { TLV_TRAFFIC_PARAM, "Traffic parameters TLV"}, { TLV_PREEMPTION, "Preemption TLV"}, { TLV_ER_HOP_LSPID, "ER hop LSPID prefix TLV"}, { TLV_RESOURCE_CLASS, "Resource Class (Color) TLV"}, { TLV_ROUTE_PINNING, "Route Pinning TLV"}, { 0x0824, "Generalized Label Request TLV"}, /* RFC3472 */ { 0x0825, "Generalized Label TLV"}, /* RFC3472 */ { 0x0826, "Upstream Label TLV"}, /* RFC3472 */ { 0x0827, "Label Set TLV"}, /* RFC3472 */ { 0x0828, "Waveband Label TLV"}, /* RFC3472 */ { 0x0829, "ER-Hop TLV"}, /* RFC3472 */ { 0x082a, "Acceptable Label Set TLV"}, /* RFC3472 */ { 0x082b, "Admin Status TLV"}, /* RFC3472 */ { 0x082c, "Interface ID TLV"}, /* RFC3472 */ { TLV_IPV4_INTERFACE_ID, "IPV4 Interface ID TLV"}, /* RFC3472 */ { 0x082e, "IPV6 Interface ID TLV"}, /* RFC3472 */ { 0x082f, "IPv4 IF_ID Status TLV"}, /* RFC3472 */ { 0x0830, "IPv6 IF_ID Status TLV"}, /* RFC3472 */ { 0x0831, "Op-Sp Call ID TLV"}, /* RFC3475 */ { 0x0832, "GU Call ID TLV"}, /* RFC3475 */ { 0x0833, "Call Capability TLV"}, /* RFC3475 */ { 0x0834, "Crankback TLV"}, /* RFC3475 */ { 0x0835, "Protection TLV"}, /* RFC3472 */ { 0x0836, "LSP_TUNNEL_INTERFACE_ID TLV"}, /* RFC3480 */ { 0x0837, "Unnumbered Interface ID TLV"}, /* RFC3480 */ { 0x0838, "SONET/SDH Traffic Parameters TLV"}, /* RFC4606]*/ { 0x0960, "IPv4 Source ID TLV"}, /*[RFC3476]*/ { 0x0961, "IPv6 Source ID TLV"}, /*[RFC3476]*/ { 0x0962, "NSAP Source ID TLV"}, /*[RFC3476]*/ { 0x0963, "IPv4 Destination ID TLV"}, /*[RFC3476]*/ { 0x0964, "IPv6 Destination ID TLV"}, /*[RFC3476]*/ { 0x0965, "NSAP Destination ID TLV"}, /*[RFC3476]*/ { 0x0966, "Egress Label TLV"}, /*[RFC3476]*/ { 0x0967, "Local Connection ID TLV"}, /*[RFC3476]*/ { 0x0968, "Diversity TLV"}, /*[RFC3476]*/ { 0x0969, "Contract ID TLV"}, /*[RFC3476]*/ { TLV_PW_STATUS, "PW Status TLV"}, /*[RFC4447]*/ { TLV_PW_INTERFACE_PARAMETERS, "PW Interface Parameters TLV"}, /*[RFC4447]*/ { TLV_PW_GROUPING, "Group ID TLV"}, /*[RFC4447]*/ { 0x096E, "Bandwidth TLV"}, /*[draft-ietf-pwe3-dynamic-ms-pw](TEMPORARY - Expires 2008-11-21)*/ { 0x0970, "UNI Service Level TLV"}, /*[RFC3476]*/ { TLV_DIFFSERV, "Diff-Serv TLV"}, { TLV_VENDOR_PRIVATE_START, "Vendor Private TLV"}, { TLV_EXPERIMENTAL_START, "Experimental TLV"}, { TLV_UPSTRM_LBL_ASS_CAP, "LDP Upstream Label Assignment Capability TLV"}, { TLV_UPSTRM_ASS_LBL_REQ, "Upstream-Assigned Label Request TLV"}, { TLV_UPSTRM_ASS_LBL, "Upstream-Assigned Label TLV"}, { TLV_IP_MULTICAST_TUNNEL, "IP Multicast Tunnel TLV"}, { TLV_MPLS_CONTEXT_LBL, "MPLS Context Label TLV"}, { TLV_LDP_P2MP_LSP, "LDP P2MP LSP TLV"}, { TLV_RSVP_TE_P2MP_LSP, "RSVP-TE P2MP LSP TLV"}, { 0, NULL} }; /* * The following define all the message types I know about */ #define LDP_NOTIFICATION 0x0001 #define LDP_HELLO 0x0100 #define LDP_INITIALIZATION 0x0200 #define LDP_KEEPALIVE 0x0201 #define LDP_ADDRESS 0x0300 #define LDP_ADDRESS_WITHDRAWAL 0x0301 #define LDP_LABEL_MAPPING 0x0400 #define LDP_LABEL_REQUEST 0x0401 #define LDP_LABEL_WITHDRAWAL 0x0402 #define LDP_LABEL_RELEASE 0x0403 #define LDP_LABEL_ABORT_REQUEST 0x0404 #define LDP_VENDOR_PRIVATE_START 0x3E00 #define LDP_VENDOR_PRIVATE_END 0x3EFF #define LDP_EXPERIMENTAL_MESSAGE_START 0x3F00 #define LDP_EXPERIMENTAL_MESSAGE_END 0x3FFF static const value_string ldp_message_types[] = { {LDP_NOTIFICATION, "Notification Message"}, {LDP_HELLO, "Hello Message"}, {LDP_INITIALIZATION, "Initialization Message"}, {LDP_KEEPALIVE, "Keep Alive Message"}, {LDP_ADDRESS, "Address Message"}, {LDP_ADDRESS_WITHDRAWAL, "Address Withdrawal Message"}, {LDP_LABEL_MAPPING, "Label Mapping Message"}, {LDP_LABEL_REQUEST, "Label Request Message"}, {LDP_LABEL_WITHDRAWAL, "Label Withdrawal Message"}, {LDP_LABEL_RELEASE, "Label Release Message"}, {LDP_LABEL_ABORT_REQUEST, "Label Abort Request Message"}, {LDP_VENDOR_PRIVATE_START, "Vendor-Private Message"}, {LDP_EXPERIMENTAL_MESSAGE_START, "Experimental Message"}, {0, NULL} }; static const true_false_string ldp_message_ubit = { "Unknown bit set", "Unknown bit not set" }; static const true_false_string hello_targeted_vals = { "Targeted Hello", "Link Hello" }; static const value_string tlv_unknown_vals[] = { {0, "Known TLV, do not Forward"}, {1, "Known TLV, do Forward"}, {2, "Unknown TLV, do not Forward"}, {3, "Unknown TLV, do Forward"}, {0, NULL} }; #define WILDCARD_FEC 1 #define PREFIX_FEC 2 #define HOST_FEC 3 #define CRLSP_FEC 4 #define VC_FEC 0x80 /* draft-martini-l2circuit-trans-mpls */ #define GEN_FEC 0x81 #define P2MP_FEC 0x06 #define MP2MP_FEC_UP 0x07 #define MP2MP_FEC_DOWN 0x08 const value_string fec_types_vals[] = { {WILDCARD_FEC, "Wildcard FEC"}, {PREFIX_FEC, "Prefix FEC"}, {HOST_FEC, "Host Address FEC"}, {CRLSP_FEC, "CR LSP FEC"}, {VC_FEC, "Virtual Circuit FEC"}, {GEN_FEC, "Generalized PWid FEC"}, {P2MP_FEC, "P2MP FEC"}, {MP2MP_FEC_UP, "MP2MP FEC upstream"}, {MP2MP_FEC_DOWN, "MP2MP FEC Downstream"}, {0, NULL} }; const value_string fec_vc_types_vals[] = { {0x0001, "Frame Relay DLCI"}, {0x0002, "ATM AAL5 SDU VCC transport"}, {0x0003, "ATM transparent cell transport"}, {0x0004, "Ethernet VLAN"}, {0x0005, "Ethernet"}, {0x0006, "HDLC"}, {0x0007, "PPP"}, {0x0008, "SONET/SDH Circuit Emulation Service"}, {0x0009, "ATM n-to-one VCC cell transport"}, {0x000A, "ATM n-to-one VPC cell transport"}, {0x000B, "IP layer2 transport"}, {0x000C, "ATM one-to-one VCC Cell Mode"}, {0x000D, "ATM one-to-one VPC Cell Mode"}, {0x000E, "ATM AAL5 PDU VCC transport"}, {0x000F, "Frame-Relay Port mode"}, {0x0010, "SONET/SDH Circuit Emulation over Packet"}, {0x0011, "Structure-agnostic E1 over Packet"}, {0x0012, "Structure-agnostic T1 (DS1) over Packet"}, {0x0013, "Structure-agnostic E3 over Packet"}, {0x0014, "Structure-agnostic T3 (DS3) over Packet"}, {0x0015, "CESoPSN basic mode"}, {0x0016, "TDMoIP basic mode"}, {0x0017, "CESoPSN TDM with CAS"}, {0x0018, "TDMoIP TDM with CAS"}, {0, NULL} }; static const value_string fec_vc_ceptype_vals[] = { {0, "SPE mode (STS-1/STS-Mc)"}, {1, "VT mode (VT1.5/VT2/VT3/VT6)"}, {2, "Fractional SPE (STS-1/VC-3/VC-4)"}, {0, NULL} }; static const true_false_string fec_vc_tdmopt_r = { "Expects to receive RTP Header", "Does not expect to receive RTP Header" }; static const true_false_string fec_vc_tdmopt_d = { "Expects the peer to use Differential timestamping", "Does not expect the peer to use Differential timestamping" }; static const true_false_string fec_vc_tdmopt_f = { "Expects TDMoIP encapsulation", "Expects CESoPSN encapsulation" }; #define FEC_VC_INTERFACEPARAM_MTU 0x01 #define FEC_VC_INTERFACEPARAM_MAXCATMCELLS 0x02 #define FEC_VC_INTERFACEPARAM_DESCRIPTION 0x03 #define FEC_VC_INTERFACEPARAM_CEPBYTES 0x04 #define FEC_VC_INTERFACEPARAM_CEPOPTIONS 0x05 #define FEC_VC_INTERFACEPARAM_VLANID 0x06 #define FEC_VC_INTERFACEPARAM_TDMBPS 0x07 #define FEC_VC_INTERFACEPARAM_FRDLCILEN 0x08 #define FEC_VC_INTERFACEPARAM_FRAGIND 0x09 #define FEC_VC_INTERFACEPARAM_FCSRETENT 0x0A #define FEC_VC_INTERFACEPARAM_TDMOPTION 0x0B #define FEC_VC_INTERFACEPARAM_VCCV 0x0C #define FEC_VC_INTERFACEPARAM_FLOWLABEL 0x17 static const value_string fec_vc_interfaceparm[] = { {FEC_VC_INTERFACEPARAM_MTU, "MTU"}, {FEC_VC_INTERFACEPARAM_MAXCATMCELLS, "Max Concatenated ATM cells"}, {FEC_VC_INTERFACEPARAM_DESCRIPTION, "Interface Description"}, {FEC_VC_INTERFACEPARAM_CEPBYTES, "CEP/TDM Payload Bytes"}, {FEC_VC_INTERFACEPARAM_CEPOPTIONS, "CEP options"}, {FEC_VC_INTERFACEPARAM_VLANID, "Requested VLAN ID"}, {FEC_VC_INTERFACEPARAM_TDMBPS, "CEP/TDM bit-rate"}, {FEC_VC_INTERFACEPARAM_FRDLCILEN, "Frame-Relay DLCI Length"}, {FEC_VC_INTERFACEPARAM_FRAGIND, "Fragmentation indicator"}, {FEC_VC_INTERFACEPARAM_FCSRETENT, "FCS retention indicator"}, {FEC_VC_INTERFACEPARAM_TDMOPTION, "TDM options"}, {FEC_VC_INTERFACEPARAM_VCCV, "VCCV"}, {FEC_VC_INTERFACEPARAM_FLOWLABEL, "Flow Label"}, {0, NULL}, }; static const true_false_string fec_vc_cbit = { "Control Word Present", "Control Word NOT Present" }; #if 0 static const true_false_string fec_vc_ = { "Control Word Present", "Control Word NOT Present" }; #endif static const value_string tlv_atm_merge_vals[] = { {0, "Merge not supported"}, {1, "VP merge supported"}, {2, "VC merge supported"}, {3, "VP & VC merge supported"}, {0, NULL} }; static const value_string tlv_atm_vbits_vals[] = { {0, "VPI & VCI Significant"}, {1, "Only VPI Significant"}, {2, "Only VCI Significant"}, {3, "VPI & VCI not Significant, nonsense"}, {0, NULL} }; static const value_string tlv_fr_merge_vals[] = { {0, "Merge not supported"}, {1, "Merge supported"}, {2, "Unspecified"}, {3, "Unspecified"}, {0, NULL} }; static const value_string tlv_fr_len_vals[] = { {0, "10 bits"}, {1, "Reserved"}, {2, "23 bits"}, {3, "Reserved"}, {0, NULL} }; static const value_string tlv_ft_flags[] = { { 0, "Invalid"}, { 1, "Using LDP Graceful Restart"}, { 2, "Check-Pointing of all labels"}, { 3, "Invalid"}, { 4, "Invalid"}, { 5, "Invalid"}, { 6, "Check-Pointing of all labels"}, { 7, "Invalid"}, { 8, "Full FT on selected labels"}, { 9, "Invalid"}, {10, "Full FT on selected labels"}, {11, "Invalid"}, {12, "Full FT on all labels"}, {13, "Invalid"}, {14, "Full FT on all labels"}, {15, "Invalid"}, {0, NULL} }; static const true_false_string tlv_ft_r = { "LSR has preserved state and resources for all FT-Labels", "LSR has not preserved state and resources for all FT-Labels" }; static const true_false_string tlv_ft_s = { "FT Protection TLV supported on other than KeepAlive", "FT Protection TLV not supported on other than KeepAlive" }; static const true_false_string tlv_ft_a = { "Treat all labels as Sequence Numbered FT Labels", "May treat some labels as FT and others as non-FT" }; static const true_false_string tlv_ft_c = { "Check-Pointing procedures in use", "Check-Pointing procedures not in use" }; static const true_false_string tlv_ft_l = { "Re-learn the state from the network", "Do not re-learn the state from the network" }; static const value_string ldp_act_flg_vals[] = { {0, "indicates initial LSP setup"}, {1, "indicates modify LSP"}, {0, NULL} }; static const value_string route_pinning_vals[] = { {0, "route pinning is not requested"}, {1, "route pinning is requested"}, {0, NULL} }; static const value_string diffserv_type_vals[] = { {0, "E-LSP"}, {1, "L-LSP"}, {0, NULL} }; static const value_string ldp_loose_vals[] = { {0, "strict hop"}, {1, "loose hop"}, {0, NULL} }; static const true_false_string tlv_negotiable = { "Negotiable", "Not negotiable" }; static const value_string freq_values[] = { {0, "Unspecified"}, {1, "Frequent"}, {2, "VeryFrequent"}, {0, NULL} }; static const true_false_string tlv_atm_dirbit = { "Bidirectional capability", "Unidirectional capability" }; static const true_false_string hello_requested_vals = { "Source requests periodic hellos", "Source does not request periodic hellos" }; static const true_false_string tlv_sess_advbit_vals = { "Downstream On Demand proposed", "Downstream Unsolicited proposed" }; static const true_false_string tlv_sess_ldetbit_vals = { "Loop Detection Enabled", "Loop Detection Disabled" }; static const true_false_string tlv_status_ebit = { "Fatal Error Notification", "Advisory Notification" }; static const true_false_string tlv_status_fbit = { "Notification should be Forwarded", "Notification should NOT be Forwarded" }; static const value_string tlv_status_data[] = { { 0, "Success"}, { 1, "Bad LDP Identifier"}, { 2, "Bad Protocol Version"}, { 3, "Bad PDU Length"}, { 4, "Unknown Message Type"}, { 5, "Bad Message Length"}, { 6, "Unknown TLV"}, { 7, "Bad TLV Length"}, { 8, "Malformed TLV Value"}, { 9, "Hold Timer Expired"}, {10, "Shutdown"}, {11, "Loop Detected"}, {12, "Unknown FEC"}, {13, "No Route"}, {14, "No Label Resources"}, {15, "Label Resources / Available"}, {16, "Session Rejected / No Hello"}, {17, "Session Rejected / Parameters Advertisement Mode"}, {18, "Session Rejected / Parameters Max PDU Length"}, {19, "Session Rejected / Parameters Label Range"}, {20, "KeepAlive Timer Expired"}, {21, "Label Request Aborted"}, {22, "Missing Message Parameters"}, {23, "Unsupported Address Family"}, {24, "Session Rejected / Bad KeepAlive Time"}, {25, "Internal Error"}, {26, "No LDP Session"}, {27, "Zero FT seqnum"}, {28, "Unexpected TLV / Session Not FT"}, {29, "Unexpected TLV / Label Not FT"}, {30, "Missing FT Protection TLV"}, {31, "FT ACK sequence error"}, {32, "Temporary Shutdown"}, {33, "FT Seq Numbers Exhausted"}, {34, "FT Session parameters / changed"}, {35, "Unexpected FT Cork TLV"}, {0x01000001, "Unexpected Diff-Serv TLV"}, {0x01000002, "Unsupported PHB"}, {0x01000003, "Invalid EXP<->PHB Mapping"}, {0x01000004, "Unsupported PSC"}, {0x01000005, "Per-LSP context allocation failure"}, {0x04000001, "Bad Explicit Routing TLV Error"}, {0x04000002, "Bad Strict Node Error"}, {0x04000003, "Bad Strict Node Error"}, {0x04000004, "Bad Initial ER-Hop Error"}, {0x04000005, "Resource Unavailable"}, {0x04000006, "Traffic Parameters Unavailable"}, {0x04000007, "LSP Preempted"}, {0x04000008, "Modify Request Not Supported"}, {0x20000001, "Illegal C-Bit"}, {0x20000002, "Wrong C-Bit"}, {0x00000028, "PW status"}, {0, NULL} }; static const true_false_string tlv_upstr_sbit_vals = { "LSR is advertising the capability to distribute and receive upstream-assigned label bindings", "LSR is withdrawing the capability to distribute and receive upstream-assigned label bindings" }; #define PW_NOT_FORWARDING 0x1 #define PW_LAC_INGRESS_RECV_FAULT 0x2 #define PW_LAC_EGRESS_TRANS_FAULT 0x4 #define PW_PSN_PW_INGRESS_RECV_FAULT 0x8 #define PW_PSN_PW_EGRESS_TRANS_FAULT 0x10 static void dissect_subtlv_interface_parameters(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem, int *interface_parameters_hf[]); static void dissect_genpwid_fec_aai_type2_parameter(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem); /* Dissect FEC TLV */ static void dissect_tlv_fec(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { static int *interface_params_header_fields[] = { &hf_ldp_tlv_fec_vc_intparam_length , &hf_ldp_tlv_fec_vc_intparam_mtu , &hf_ldp_tlv_fec_vc_intparam_tdmbps , &hf_ldp_tlv_fec_vc_intparam_id , &hf_ldp_tlv_fec_vc_intparam_maxcatmcells , &hf_ldp_tlv_fec_vc_intparam_desc , &hf_ldp_tlv_fec_vc_intparam_cepbytes , &hf_ldp_tlv_fec_vc_intparam_cepopt_ais , &hf_ldp_tlv_fec_vc_intparam_cepopt_une , &hf_ldp_tlv_fec_vc_intparam_cepopt_rtp , &hf_ldp_tlv_fec_vc_intparam_cepopt_ebm , &hf_ldp_tlv_fec_vc_intparam_cepopt_mah , &hf_ldp_tlv_fec_vc_intparam_cepopt_res , &hf_ldp_tlv_fec_vc_intparam_cepopt_ceptype , &hf_ldp_tlv_fec_vc_intparam_cepopt_t3 , &hf_ldp_tlv_fec_vc_intparam_cepopt_e3 , &hf_ldp_tlv_fec_vc_intparam_vlanid , &hf_ldp_tlv_fec_vc_intparam_dlcilen , &hf_ldp_tlv_fec_vc_intparam_fcslen , &hf_ldp_tlv_fec_vc_intparam_tdmopt_r , &hf_ldp_tlv_fec_vc_intparam_tdmopt_d , &hf_ldp_tlv_fec_vc_intparam_tdmopt_f , &hf_ldp_tlv_fec_vc_intparam_tdmopt_res1 , &hf_ldp_tlv_fec_vc_intparam_tdmopt_pt , &hf_ldp_tlv_fec_vc_intparam_tdmopt_res2 , &hf_ldp_tlv_fec_vc_intparam_tdmopt_freq , &hf_ldp_tlv_fec_vc_intparam_tdmopt_ssrc , &hf_ldp_tlv_fec_vc_intparam_vccv_cctype_cw , &hf_ldp_tlv_fec_vc_intparam_vccv_cctype_mplsra , &hf_ldp_tlv_fec_vc_intparam_vccv_cctype_ttl1 , &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_icmpping , &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_lspping , &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd1, &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd2, &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd3, &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd4, &hf_ldp_tlv_fec_vc_intparam_flowlabel_t, &hf_ldp_tlv_fec_vc_intparam_flowlabel_r, &hf_ldp_tlv_fec_vc_intparam_flowlabel_res, }; proto_tree *ti, *ti2, *val_tree, *fec_tree=NULL; proto_tree *agi_tree=NULL, *saii_tree=NULL, *taii_tree=NULL; guint16 family, ix=1, ax; guint16 op_length = tvb_get_bits16(tvb, ((offset+8)*8), 16, ENC_BIG_ENDIAN); guint8 addr_size=0, *addr, implemented, prefix_len_octets, prefix_len, host_len, vc_len; guint8 intparam_len, aai_type = 0; const char *str; guint8 gen_fec_id_len = 0; address_type addr_type; address addr_str; val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "FEC Elements"); while (rem > 0){ switch (tvb_get_guint8(tvb, offset)) { case WILDCARD_FEC: case CRLSP_FEC: fec_tree = proto_tree_add_subtree_format(val_tree, tvb, offset, 1, ett_ldp_fec, NULL, "FEC Element %u", ix); proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_wc,tvb, offset, 1, ENC_BIG_ENDIAN); rem -= 1; offset += 1; break; case PREFIX_FEC: if ( rem < 4 ){/*not enough*/ proto_tree_add_expert_format(val_tree, pinfo, &ei_ldp_tlv_fec, tvb, offset, rem, "Error in FEC Element %u", ix); return; } family=tvb_get_ntohs(tvb, offset+1); prefix_len=tvb_get_guint8(tvb, offset+3); prefix_len_octets=(prefix_len+7)/8; implemented=1; switch(family) { case AFNUM_INET: /*IPv4*/ addr_size=4; addr_type = AT_IPv4; break; case AFNUM_INET6: /*IPv6*/ addr_size=16; addr_type = AT_IPv6; break; default: implemented=0; break; } if ( !implemented ) { guint16 noctets; noctets= rem>4+prefix_len_octets?4+prefix_len_octets:rem; proto_tree_add_expert(val_tree, pinfo, &ei_ldp_address_family_not_implemented, tvb, offset, noctets); offset+=noctets; rem-=noctets; break; } if ( rem < 4+MIN(addr_size, prefix_len_octets) ){ proto_tree_add_expert_format(val_tree, pinfo, &ei_ldp_tlv_fec, tvb, offset, rem, "Error in FEC Element %u", ix); return; } /*Add a subtree for this*/ fec_tree = proto_tree_add_subtree_format(val_tree, tvb, offset, 4+MIN(addr_size, prefix_len_octets), ett_ldp_fec, NULL, "FEC Element %u", ix); proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_wc, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_af, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; ti = proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_len, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if ( addr_size < prefix_len_octets) { offset+=addr_size; rem-=addr_size; expert_add_info_format(pinfo, ti, &ei_ldp_tlv_fec_len, "Invalid prefix %u length for family %s", prefix_len, val_to_str_const(family, afn_vals, "Unknown Family")); break; } addr=(guint8 *)wmem_alloc0(wmem_packet_scope(), addr_size); for(ax=0; ax+1 <= prefix_len_octets; ax++) addr[ax]=tvb_get_guint8(tvb, offset+ax); if ( prefix_len % 8 ) addr[ax-1] = addr[ax-1]&(0xFF<<(8-prefix_len%8)); set_address(&addr_str, addr_type, addr_size, addr); str = address_to_str(wmem_packet_scope(), &addr_str); proto_tree_add_string_format(fec_tree, hf_ldp_tlv_fec_pfval, tvb, offset, prefix_len_octets, str, "Prefix: %s", str); offset += prefix_len_octets; rem -= 4+prefix_len_octets; break; case HOST_FEC: if ( rem < 4 ){/*not enough*/ proto_tree_add_expert_format(val_tree, pinfo, &ei_ldp_tlv_fec, tvb, offset, rem, "Error in FEC Element %u", ix); return; } family=tvb_get_ntohs(tvb, offset+1); host_len=tvb_get_guint8(tvb, offset+3); implemented=1; switch(family) { case AFNUM_INET: /*IPv4*/ addr_size=4; addr_type = AT_IPv4; break; case AFNUM_INET6: /*IPv6*/ addr_size=16; addr_type = AT_IPv6; break; default: implemented=0; break; } if ( !implemented ) { guint16 noctets; noctets= rem>4+host_len?4+host_len:rem; proto_tree_add_expert(val_tree, pinfo, &ei_ldp_address_family_not_implemented, tvb, offset, noctets); offset+=noctets; rem-=noctets; break; } if ( rem < 4+addr_size ){ proto_tree_add_expert_format(val_tree, pinfo, &ei_ldp_tlv_fec, tvb, offset, rem, "Error in FEC Element %u", ix); return; } /*Add a subtree for this*/ fec_tree = proto_tree_add_subtree_format(val_tree, tvb, offset, 4+addr_size, ett_ldp_fec, NULL, "FEC Element %u", ix); proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_wc, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_af, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; ti = proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_len, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; if ( addr_size != host_len) { offset+=addr_size; rem-=addr_size; expert_add_info_format(pinfo, ti, &ei_ldp_tlv_fec_len, "Invalid address length %u length for family %s", host_len, val_to_str_const(family, afn_vals, "Unknown Family")); break; } addr=(guint8 *)wmem_alloc0(wmem_packet_scope(), addr_size); for(ax=0; ax+1 <= host_len; ax++) addr[ax]=tvb_get_guint8(tvb, offset+ax); set_address(&addr_str, addr_type, addr_size, addr); str = address_to_str(wmem_packet_scope(), &addr_str); proto_tree_add_string_format(fec_tree, hf_ldp_tlv_fec_hoval, tvb, offset, host_len, str, "Address: %s", str); offset += host_len; rem -= 4+host_len; break; case VC_FEC: if ( rem < 8 ){/*not enough bytes for a minimal VC_FEC*/ proto_tree_add_expert_format(val_tree, pinfo, &ei_ldp_tlv_fec, tvb, offset, rem, "Error in FEC Element %u", ix); return; } vc_len = tvb_get_guint8 (tvb, offset+3); fec_tree = proto_tree_add_subtree_format(val_tree, tvb, offset, 8+vc_len, ett_ldp_fec, &ti, "FEC Element %u", ix); proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_wc, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_vc_controlword, tvb, offset+1, 1, ENC_BIG_ENDIAN); proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_vc_vctype, tvb, offset+1, 2, ENC_BIG_ENDIAN); ti2 = proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_vc_infolength, tvb, offset+3,1,ENC_BIG_ENDIAN); proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_vc_groupid,tvb, offset +4, 4, ENC_BIG_ENDIAN); rem -=8; offset +=8; if ( (vc_len > 3) && ( rem > 3 ) ) { /* there is enough room for vcid */ proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_vc_vcid,tvb, offset, 4, ENC_BIG_ENDIAN); proto_item_append_text (ti," VCID: %u",tvb_get_ntohl(tvb,offset)); } else { expert_add_info(pinfo, ti2, &ei_ldp_tlv_fec_vc_infolength); return; } rem -= 4; vc_len -= 4; offset += 4; while ( (vc_len > 1) && (rem > 1) ) { /* enough to include id and length */ intparam_len = tvb_get_guint8(tvb, offset+1); if (intparam_len < 2){ /* At least Type and Len, protect against len = 0 */ proto_tree_add_expert(fec_tree, pinfo, &ei_ldp_malformed_interface_parameter, tvb, offset +1, 1); return; } if ( (vc_len -intparam_len) <0 && (rem -intparam_len) <0 ) { /* error condition */ proto_tree_add_expert(fec_tree, pinfo, &ei_ldp_malformed_data, tvb, offset +2, MIN(vc_len,rem)); return; } dissect_subtlv_interface_parameters(tvb, offset, fec_tree, intparam_len, interface_params_header_fields); rem -= intparam_len; vc_len -= intparam_len; offset += intparam_len; } break; case GEN_FEC: { /* Ref: RFC 4447 */ if ( rem < 4 ){/*not enough bytes for a minimal VC_FEC*/ proto_tree_add_expert_format(val_tree, pinfo, &ei_ldp_tlv_fec, tvb, offset, rem, "Error in FEC Element %u", ix); return; } vc_len = tvb_get_guint8 (tvb, offset+3); /* Add the FEC to the tree */ fec_tree = proto_tree_add_subtree_format(val_tree, tvb, offset, 8+vc_len, ett_ldp_fec, NULL, "FEC Element %u", ix); proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_wc, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_vc_controlword, tvb, offset+1, 1, ENC_BIG_ENDIAN); proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_vc_vctype, tvb, offset+1, 2, ENC_BIG_ENDIAN); proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_vc_infolength, tvb, offset+3,1,ENC_BIG_ENDIAN); rem -= 4; offset += 4; if ( (vc_len > 1) && ( rem > 1 ) ) { /* there is enough room for AGI */ gen_fec_id_len = tvb_get_guint8 (tvb, offset+1); /* Add AGI to the tree */ agi_tree = proto_tree_add_subtree_format(fec_tree, tvb, offset, 2 + gen_fec_id_len, ett_ldp_gen_agi, NULL, "AGI"); proto_tree_add_item(agi_tree, hf_ldp_tlv_fec_gen_agi_type,tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(agi_tree, hf_ldp_tlv_fec_gen_agi_length,tvb, offset + 1, 1, ENC_BIG_ENDIAN); if ( gen_fec_id_len > 0) { proto_tree_add_item(agi_tree, hf_ldp_tlv_fec_gen_agi_value, tvb, offset+2, gen_fec_id_len , ENC_NA ); } rem -= 2 + gen_fec_id_len; vc_len -= 2 + gen_fec_id_len; offset += 2 + gen_fec_id_len; } else { proto_tree_add_expert_format(fec_tree, pinfo, &ei_ldp_tlv_fec_vc_infolength, tvb, offset, 2 +vc_len, "Generalized FEC: AGI size format error"); return; } if ( (vc_len > 1) && ( rem > 1 ) ) { /* there is enough room for SAII */ gen_fec_id_len = tvb_get_guint8 (tvb, offset+1); /* Add SAII to the tree */ aai_type = tvb_get_guint8(tvb, offset); if ( aai_type == 2 && gen_fec_id_len != 12) { /* According to RFC 5003, for Type 2 AAI, the length should be 12 bytes */ proto_tree_add_expert_format(fec_tree, pinfo, &ei_ldp_tlv_fec_vc_infolength, tvb, offset, 2 + gen_fec_id_len, "Generalized FEC: SAII size format error"); } else { saii_tree = proto_tree_add_subtree(fec_tree, tvb, offset, 2 + gen_fec_id_len, ett_ldp_gen_saii, NULL, "SAII"); proto_tree_add_item(saii_tree, hf_ldp_tlv_fec_gen_saii_type,tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(saii_tree, hf_ldp_tlv_fec_gen_saii_length,tvb, offset + 1, 1, ENC_BIG_ENDIAN); if ( gen_fec_id_len > 0) { /* Get the AAI Type. */ /* If it is Type 2 (RFC 5003), then the length is 12 bytes, */ /* and the following fields exist. */ /* 0 1 2 3 */ /* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 */ /* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ /* | AII Type=02 | Length | Global ID | */ /* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ /* | Global ID (contd.) | Prefix | */ /* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ /* | Prefix (contd.) | AC ID | */ /* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ /* | AC ID | */ /* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ if ( aai_type == 2) { dissect_genpwid_fec_aai_type2_parameter(tvb, pinfo, offset +2, saii_tree, gen_fec_id_len); } else { proto_tree_add_item(saii_tree, hf_ldp_tlv_fec_gen_saii_value, tvb, offset+2, gen_fec_id_len , ENC_NA ); } } } rem -= 2 + gen_fec_id_len; vc_len -= 2 + gen_fec_id_len; offset += 2 + gen_fec_id_len; } else { proto_tree_add_expert_format(fec_tree, pinfo, &ei_ldp_tlv_fec_vc_infolength, tvb, offset, 2 + vc_len, "Generalized FEC: SAII size format error"); return; } if ( (vc_len > 1) && ( rem > 1 ) ) { /* there is enough room for TAII */ gen_fec_id_len = tvb_get_guint8 (tvb, offset+1); /* Add TAII to the tree */ aai_type = tvb_get_guint8(tvb, offset); if ( aai_type == 2 && gen_fec_id_len != 12) { /* According to RFC 5003, for Type 2 AAI, the length should be 12 bytes */ proto_tree_add_expert_format(fec_tree, pinfo, &ei_ldp_tlv_fec_vc_infolength, tvb, offset, 2 + gen_fec_id_len, "Generalized FEC: TAII size format error"); } else { taii_tree = proto_tree_add_subtree(fec_tree, tvb, offset, 2 + gen_fec_id_len, ett_ldp_gen_taii, NULL, "TAII"); proto_tree_add_item(taii_tree, hf_ldp_tlv_fec_gen_taii_type,tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(taii_tree, hf_ldp_tlv_fec_gen_taii_length,tvb, offset + 1, 1, ENC_BIG_ENDIAN); if ( gen_fec_id_len > 0) { /* Get the AAI Type. */ /* If it is Type 2 (RFC 5003), then the length is 12 bytes, */ /* and the following fields exist. */ /* 0 1 2 3 */ /* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 */ /* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ /* | AII Type=02 | Length | Global ID | */ /* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ /* | Global ID (contd.) | Prefix | */ /* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ /* | Prefix (contd.) | AC ID | */ /* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ /* | AC ID | */ /* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ if ( aai_type == 2) { dissect_genpwid_fec_aai_type2_parameter(tvb, pinfo, offset +2, taii_tree, gen_fec_id_len); } else { proto_tree_add_item(taii_tree, hf_ldp_tlv_fec_gen_taii_value, tvb, offset+2, gen_fec_id_len , ENC_NA); } } } rem -= 2 + gen_fec_id_len; /*vc_len -= 2 + gen_fec_id_len;*/ offset += 2 + gen_fec_id_len; } else { proto_tree_add_expert_format(fec_tree, pinfo, &ei_ldp_tlv_fec_vc_infolength, tvb, offset, 2 +vc_len, "Generalized FEC: TAII size format error"); return; } break; } case P2MP_FEC: { if (rem < 4 ){/*not enough*/ proto_item* inv_length; inv_length = proto_tree_add_item(val_tree, hf_ldp_tlv_inv_length, tvb, offset, rem, ENC_BIG_ENDIAN); expert_add_info(pinfo, inv_length, &ei_ldp_inv_length); return; } fec_tree = proto_tree_add_subtree_format(val_tree, tvb, offset, 4+tvb_get_guint8 (tvb, offset+1), ett_ldp_fec, NULL, "FEC Element %u", ix); proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_wc, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_af, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_len, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(fec_tree, hf_ldp_tlv_ldp_p2mp_rtnodeaddr, tvb,offset, 4, ENC_BIG_ENDIAN); proto_tree_add_item(fec_tree, hf_ldp_tlv_ldp_p2mp_oplength, tvb,offset + 4, 2, ENC_BIG_ENDIAN); proto_tree_add_item(fec_tree, hf_ldp_tlv_ldp_p2mp_opvalue, tvb,offset + 6, op_length, ENC_NA); offset = offset + 6 + op_length; rem = rem - 10 - op_length; break; } default: /* Unknown */ /* XXX - do all FEC's have a length that's a multiple of 4? */ /* Hmmm, don't think so. Will check. RJS. */ /* If we don't know its structure, we have to exit */ fec_tree = proto_tree_add_subtree_format(val_tree, tvb, offset, 4, ett_ldp_fec, NULL, "FEC Element %u", ix); proto_tree_add_expert(fec_tree, pinfo, &ei_ldp_tlv_fec_type, tvb, offset, rem); return; } ix++; } } /* Dissect Address List TLV */ static void dissect_tlv_address_list(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; guint16 family, ix; guint8 addr_size, *addr; const char *str; address_type addr_type; address addr_str; if ( rem < 2 ) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing Address List TLV: length is %d, should be >= 2", rem); return; } family=tvb_get_ntohs(tvb, offset); proto_tree_add_item(tree, hf_ldp_tlv_addrl_addr_family, tvb, offset, 2, ENC_BIG_ENDIAN); switch(family) { case AFNUM_INET: /*IPv4*/ addr_size=4; addr_type = AT_IPv4; break; case AFNUM_INET6: /*IPv6*/ addr_size=16; addr_type = AT_IPv6; break; default: proto_tree_add_expert(tree, pinfo, &ei_ldp_address_family_not_implemented, tvb, offset+2, rem-2); return; } offset+=2; rem-=2; val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Addresses"); addr=(guint8 *)wmem_alloc(wmem_packet_scope(), addr_size); for(ix=1; rem >= addr_size; ix++, offset += addr_size, rem -= addr_size) { if ( (tvb_memcpy(tvb, addr, offset, addr_size)) == NULL) break; set_address(&addr_str, addr_type, addr_size, addr); str = address_to_str(wmem_packet_scope(), &addr_str); proto_tree_add_string_format(val_tree, hf_ldp_tlv_addrl_addr, tvb, offset, addr_size, str, "Address %u: %s", ix, str); } if (rem) proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing TLV: Extra data at end of address list"); } /* Dissect Path Vector TLV */ static void dissect_tlv_path_vector(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; guint8 ix; guint32 addr; val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "LSR IDs"); for(ix=1; rem >= 4; ix++, offset += 4, rem -= 4) { addr = tvb_get_ipv4(tvb, offset); proto_tree_add_ipv4_format(val_tree, hf_ldp_tlv_pv_lsrid, tvb, offset, 4, addr, "LSR Id %u: %s", ix, tvb_ip_to_str(tvb, offset)); } if (rem) proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing TLV: Extra data at end of path vector"); } /* Dissect ATM Label TLV */ static void dissect_tlv_atm_label(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; if (rem != 4){ proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing ATM Label TLV: length is %d, should be 4", rem); return; } val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "ATM Label"); proto_tree_add_item(val_tree, hf_ldp_tlv_atm_label_vbits, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_atm_label_vpi, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_atm_label_vci, tvb, offset+2, 2, ENC_BIG_ENDIAN); } /* Dissect FRAME RELAY Label TLV */ static void dissect_tlv_frame_label(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; guint8 len; if (rem != 4){ proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing Frame Relay Label TLV: length is %d, should be 4", rem); return; } val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Frame Relay Label"); len=(guint8)(tvb_get_ntohs(tvb, offset)>>7) & 0x03; proto_tree_add_uint_format_value(val_tree, hf_ldp_tlv_fr_label_len, tvb, offset, 2, len, "%s (%u)", val_to_str_const(len, tlv_fr_len_vals, "Unknown Length"), len); proto_tree_add_item(val_tree, hf_ldp_tlv_fr_label_dlci, tvb, offset+1, 3, ENC_BIG_ENDIAN); } /* Dissect STATUS TLV */ static void dissect_tlv_status(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; guint32 data; if (rem != 10){ proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing Status TLV: length is %d, should be 10", rem); return; } val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Status"); proto_tree_add_item(val_tree, hf_ldp_tlv_status_ebit, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_status_fbit, tvb, offset, 1, ENC_BIG_ENDIAN); data=tvb_get_ntohl(tvb, offset)&0x3FFFFFFF; proto_tree_add_uint_format_value(val_tree, hf_ldp_tlv_status_data, tvb, offset, 4, data, "%s (0x%X)", val_to_str_const(data, tlv_status_data, "Unknown Status Data"), data); proto_tree_add_item(val_tree, hf_ldp_tlv_status_msg_id, tvb, offset+4, 4, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_status_msg_type, tvb, offset+8, 2, ENC_BIG_ENDIAN); } /* Dissect Returned PDU TLV */ static void dissect_tlv_returned_pdu(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; if (rem < 10){ proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing Returned PDU TLV: length is %d, should be >= 10", rem); return; } val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Returned PDU"); proto_tree_add_item(val_tree, hf_ldp_tlv_returned_version, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_returned_pdu_len, tvb, offset+2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_returned_lsr, tvb, offset+4, 4, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_returned_ls_id, tvb, offset+8, 2, ENC_BIG_ENDIAN); offset += 10; rem -= 10; if ( rem > 0 ) { /*XXX - dissect returned pdu data*/ proto_tree_add_item(val_tree, hf_ldp_returned_pdu_data, tvb, offset, rem, ENC_NA); } } /* Dissect Returned MESSAGE TLV */ static void dissect_tlv_returned_message(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; guint16 type; if (rem < 4) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing Returned Message TLV: length is %d, should be >= 4", rem); return; } val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Returned Message"); proto_tree_add_item(val_tree, hf_ldp_tlv_returned_msg_ubit, tvb, offset, 1, ENC_BIG_ENDIAN); type=tvb_get_ntohs(tvb, offset)&0x7FFF; /*chk for vendor-private*/ if (type>=LDP_VENDOR_PRIVATE_START && type<=LDP_VENDOR_PRIVATE_END){ proto_tree_add_uint_format(val_tree, hf_ldp_tlv_returned_msg_type, tvb, offset, 2, type, "Message Type: Vendor Private (0x%X)", type); /*chk for experimental*/ } else if (type>=LDP_EXPERIMENTAL_MESSAGE_START && type<=LDP_EXPERIMENTAL_MESSAGE_END){ proto_tree_add_uint_format(val_tree, hf_ldp_tlv_returned_msg_type, tvb, offset, 2, type, "Message Type: Experimental (0x%X)", type); } else { proto_tree_add_uint_format(val_tree, hf_ldp_tlv_returned_msg_type, tvb, offset, 2, type, "Message Type: %s (0x%X)", val_to_str_const(type, ldp_message_types,"Unknown Message Type"), type); } proto_tree_add_item(val_tree, hf_ldp_tlv_returned_msg_len, tvb, offset+2, 2, ENC_BIG_ENDIAN); offset += 4; rem -= 4; if ( rem >= 4 ) { /*have msg_id*/ proto_tree_add_item(val_tree, hf_ldp_tlv_returned_msg_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; rem -= 4; } if ( rem > 0 ) { /*XXX - dissect returned msg parameters*/ proto_tree_add_item(val_tree, hf_ldp_returned_message_parameters, tvb, offset, rem, ENC_NA); } } /* Dissect the common hello params */ static void #if 0 dissect_tlv_common_hello_parms(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) #else dissect_tlv_common_hello_parms(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree) #endif { #if 0 proto_tree *ti; #endif proto_tree *val_tree; proto_item *gtsm_flag_item; guint16 gtsm_flag_buffer; #if 0 ti = proto_tree_add_item(tree, hf_ldp_tlv_value, tvb, offset, rem, ENC_NA); val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val); #else val_tree=tree; #endif proto_tree_add_item(val_tree, hf_ldp_tlv_val_hold, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_val_target, tvb, offset + 2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_val_request, tvb, offset + 2, 2, ENC_BIG_ENDIAN); gtsm_flag_item = proto_tree_add_item(val_tree, hf_ldp_tlv_val_gtsm_flag, tvb, offset + 2, 2, ENC_BIG_ENDIAN); gtsm_flag_buffer = tvb_get_bits16(tvb, ((offset+2)*8), 16, ENC_BIG_ENDIAN); if ( gtsm_flag_buffer & 0x2000 ) { if ( gtsm_flag_buffer & 0x8000 ) { expert_add_info(pinfo, gtsm_flag_item, &ei_ldp_dtsm_and_target); } else { expert_add_info(pinfo, gtsm_flag_item, &ei_ldp_gtsm_supported); } } else { if ( gtsm_flag_buffer & 0x8000 ) { expert_add_info(pinfo, gtsm_flag_item, &ei_ldp_gtsm_not_supported_basic_discovery); } else { expert_add_info(pinfo, gtsm_flag_item, &ei_ldp_gtsm_not_supported); } } proto_tree_add_item(val_tree, hf_ldp_tlv_val_res, tvb, offset + 2, 2, ENC_BIG_ENDIAN); } /* Dissect MAC TLV */ static void dissect_tlv_mac(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; guint8 ix; val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "MAC addresses"); for(ix=1; rem >= 6; ix++, offset += 6, rem -= 6) { proto_tree_add_item(val_tree, hf_ldp_tlv_mac, tvb, offset, 6, ENC_NA); } if (rem) proto_tree_add_expert_format(val_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing TLV: Extra data at end of path vector"); } /* Dissect the common session params */ static void dissect_tlv_common_session_parms(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; if ( rem != 14) { /*length of Comm Sess Parms tlv*/ proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing Common Session Parameters TLV: length is %d, should be 14", rem); return; } val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Parameters"); /*Protocol Version*/ proto_tree_add_item(val_tree, hf_ldp_tlv_sess_ver, tvb,offset, 2, ENC_BIG_ENDIAN); /*KeepAlive Time*/ proto_tree_add_item(val_tree, hf_ldp_tlv_sess_ka, tvb,offset + 2, 2, ENC_BIG_ENDIAN); /*A bit*/ proto_tree_add_item(val_tree, hf_ldp_tlv_sess_advbit,tvb, offset + 4, 1, ENC_BIG_ENDIAN); /*D bit*/ proto_tree_add_item(val_tree, hf_ldp_tlv_sess_ldetbit,tvb, offset + 4, 1, ENC_BIG_ENDIAN); /*Path Vector Limit*/ proto_tree_add_item(val_tree, hf_ldp_tlv_sess_pvlim,tvb, offset + 5, 1, ENC_BIG_ENDIAN); /*Max PDU Length*/ proto_tree_add_item(val_tree, hf_ldp_tlv_sess_mxpdu,tvb, offset + 6, 2, ENC_BIG_ENDIAN); /*Rx LSR*/ proto_tree_add_item(val_tree, hf_ldp_tlv_sess_rxlsr,tvb, offset + 8, 4, ENC_BIG_ENDIAN); /*Rx LS*/ proto_tree_add_item(val_tree, hf_ldp_tlv_sess_rxls,tvb, offset + 12, 2, ENC_BIG_ENDIAN); } /* Dissect the atm session params */ static void dissect_tlv_atm_session_parms(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree, *lbl_tree; guint8 numlr, ix; if (rem < 4) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing ATM Parameters TLV: length is %d, should be >= 4", rem); return; } val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "ATM Parameters"); proto_tree_add_item(val_tree, hf_ldp_tlv_sess_atm_merge,tvb, offset, 1, ENC_BIG_ENDIAN); /*get the number of label ranges*/ numlr=(tvb_get_guint8(tvb, offset)>>2) & 0x0F; proto_tree_add_uint_format(val_tree, hf_ldp_tlv_sess_atm_lr, tvb, offset, 1, numlr, "Number of Label Range components: %u", numlr); proto_tree_add_item(val_tree, hf_ldp_tlv_sess_atm_dir,tvb, offset, 1, ENC_BIG_ENDIAN); /*move into range components*/ offset += 4; rem -= 4; val_tree=proto_tree_add_subtree(val_tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "ATM Label Range Components"); /*now dissect ranges*/ for(ix=1; numlr > 0 && rem >= 8; ix++, rem-=8, numlr--) { lbl_tree=proto_tree_add_subtree_format(val_tree, tvb, offset, 8, ett_ldp_tlv_val, NULL, "ATM Label Range Component %u", ix); proto_tree_add_item(lbl_tree, hf_ldp_tlv_sess_atm_minvpi, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(lbl_tree, hf_ldp_tlv_sess_atm_maxvpi, tvb, (offset+4), 2, ENC_BIG_ENDIAN); proto_tree_add_item(lbl_tree, hf_ldp_tlv_sess_atm_minvci, tvb, offset+2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(lbl_tree, hf_ldp_tlv_sess_atm_maxvci, tvb, offset+6, 2, ENC_BIG_ENDIAN); offset += 8; } if( rem || numlr) proto_tree_add_expert_format(val_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing TLV: Extra data at end of TLV"); } /* Dissect the frame relay session params */ static void dissect_tlv_frame_relay_session_parms(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree, *lbl_tree; guint8 numlr, ix, len; if(rem < 4) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing Frame Relay Parameters TLV: length is %d, should be >= 4", rem); return; } val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Frame Relay Parameters"); proto_tree_add_item(val_tree, hf_ldp_tlv_sess_fr_merge, tvb, offset, 1, ENC_BIG_ENDIAN); /*get the number of label ranges*/ numlr=(tvb_get_guint8(tvb, offset)>>2) & 0x0F; proto_tree_add_uint_format(val_tree, hf_ldp_tlv_sess_fr_lr, tvb, offset, 1, numlr, "Number of Label Range components: %u", numlr); proto_tree_add_item(val_tree, hf_ldp_tlv_sess_fr_dir, tvb, offset, 1, ENC_BIG_ENDIAN); /*move into range components*/ offset += 4; rem -= 4; val_tree=proto_tree_add_subtree(val_tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Frame Relay Label Range Components"); /*now dissect ranges*/ for(ix=1; numlr > 0 && rem >= 8; ix++, rem-=8, numlr--) { lbl_tree=proto_tree_add_subtree_format(val_tree, tvb, offset, 8, ett_ldp_tlv_val, NULL, "Frame Relay Label Range Component %u", ix); len=(guint8)(tvb_get_ntohs(tvb, offset)>>7) & 0x03; proto_tree_add_uint_format_value(lbl_tree, hf_ldp_tlv_sess_fr_len, tvb, offset, 2, len, "%s (%u)", val_to_str_const(len, tlv_fr_len_vals, "Unknown Length"), len); proto_tree_add_item(lbl_tree, hf_ldp_tlv_sess_fr_mindlci, tvb, offset+1, 3, ENC_BIG_ENDIAN); proto_tree_add_item(lbl_tree, hf_ldp_tlv_sess_fr_maxdlci, tvb, offset+5, 3, ENC_BIG_ENDIAN); offset += 8; } if( rem || numlr) proto_tree_add_expert_format(val_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing TLV: Extra data at end of TLV"); } /* Dissect the Fault Tolerant (FT) Session TLV */ static void dissect_tlv_ft_session(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *ti, *val_tree, *flags_tree; guint16 flags; if(rem != 12){ /* error, length must be 12 bytes */ proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing FT Session TLV: length is %d, should be 12", rem); return; } val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "FT Session Parameters"); /* Flags */ ti = proto_tree_add_item(val_tree, hf_ldp_tlv_ft_sess_flags, tvb, offset, 2, ENC_BIG_ENDIAN); flags_tree = proto_item_add_subtree(ti, ett_ldp_tlv_ft_flags); flags = tvb_get_ntohs(tvb, offset); proto_item_append_text(ti, " (%s%s)", (flags & 0x8000) ? "R, " : "", val_to_str_const(flags & 0xF, tlv_ft_flags, "Invalid")); proto_tree_add_item(flags_tree, hf_ldp_tlv_ft_sess_flag_r, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(flags_tree, hf_ldp_tlv_ft_sess_flag_res, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(flags_tree, hf_ldp_tlv_ft_sess_flag_s, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(flags_tree, hf_ldp_tlv_ft_sess_flag_a, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(flags_tree, hf_ldp_tlv_ft_sess_flag_c, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(flags_tree, hf_ldp_tlv_ft_sess_flag_l, tvb, offset, 2, ENC_BIG_ENDIAN); /* Reserved */ proto_tree_add_item(val_tree, hf_ldp_tlv_ft_sess_res, tvb, offset + 2, 2, ENC_BIG_ENDIAN); /* FT Reconnect TO */ proto_tree_add_item(val_tree, hf_ldp_tlv_ft_sess_reconn_to, tvb, offset + 4, 4, ENC_BIG_ENDIAN); /* Recovery Time */ proto_tree_add_item(val_tree, hf_ldp_tlv_ft_sess_recovery_time, tvb, offset + 8, 4, ENC_BIG_ENDIAN); } static void dissect_tlv_lspid(tvbuff_t *tvb, packet_info *pinfo, guint offset,proto_tree *tree, int rem) { proto_tree *val_tree; if(rem != 8) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing LSP ID TLV: length is %d, should be 8", rem); return; } val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "LSP ID"); proto_tree_add_item(val_tree, hf_ldp_tlv_lspid_act_flg, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(val_tree, hf_ldp_tlv_lspid_cr_lsp, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(val_tree, hf_ldp_tlv_lspid_ldpid, tvb, offset, 4, ENC_BIG_ENDIAN); } static void dissect_tlv_er_hop_ipv4(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; if(rem != 8) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing ER HOP IPv4 TLV: length is %d, should be 8", rem); return; } val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "ER HOP IPv4"); if(val_tree != NULL) { proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_loose, tvb, offset, 3, ENC_BIG_ENDIAN); offset += 3; proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_prelen, tvb, offset, 1, ENC_BIG_ENDIAN); offset ++; proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_prefix4, tvb, offset, 4, ENC_BIG_ENDIAN); } } static void dissect_tlv_er_hop_ipv6(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; if(rem != 20) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing ER HOP IPv6 TLV: length is %d, should be 20", rem); return; } val_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "ER HOP IPv6"); if(val_tree != NULL) { proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_loose, tvb, offset, 3, ENC_BIG_ENDIAN); offset += 3; proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_prelen, tvb, offset, 1, ENC_BIG_ENDIAN); offset ++; proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_prefix6, tvb, offset, 16, ENC_NA); } } static void dissect_tlv_er_hop_as(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; if(rem != 4) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing ER HOP AS TLV: length is %d, should be 4", rem); return; } val_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "ER HOP AS"); if(val_tree != NULL) { proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_loose, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_as, tvb, offset, 2, ENC_BIG_ENDIAN); } } static void dissect_tlv_er_hop_lspid(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; if(rem != 8) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing ER HOP LSPID TLV: length is %d, should be 8", rem); return; } val_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "ER HOP LSPID"); if(val_tree != NULL) { proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_loose, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_cr_lsp, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2; proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_ldpid, tvb, offset, 4, ENC_BIG_ENDIAN); } } static void dissect_tlv_traffic(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; guint8 val_8; float val_f; proto_item *pi; if(rem != 24) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing Traffic Parameters TLV: length is %d, should be 24", rem); return; } val_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Traffic parameters"); if(val_tree != NULL) { /* flags */ proto_tree_add_item(val_tree, hf_ldp_tlv_flags_reserv, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_flags_weight, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_flags_ebs, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_flags_cbs, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_flags_cdr, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_flags_pbs, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_flags_pdr, tvb, offset, 1, ENC_BIG_ENDIAN); offset ++; /* frequency */ proto_tree_add_item(val_tree, hf_ldp_tlv_frequency, tvb, offset, 1, ENC_BIG_ENDIAN); offset ++; /* reserver byte */ offset ++; /* weight */ pi = proto_tree_add_item(val_tree, hf_ldp_tlv_weight, tvb, offset, 1, ENC_BIG_ENDIAN); val_8 = tvb_get_guint8(tvb, offset); if (val_8 == 0) proto_item_set_text(pi, "Weight: Not applicable"); offset ++; /* PDR */ val_f = tvb_get_ntohieee_float (tvb, offset); proto_tree_add_double_format_value(val_tree, hf_ldp_tlv_pdr, tvb, offset, 4, val_f, "%.10g Bps", val_f); offset += 4; /* PBS */ val_f = tvb_get_ntohieee_float (tvb, offset); proto_tree_add_double_format_value(val_tree, hf_ldp_tlv_pbs, tvb, offset, 4, val_f, "%.10g Bytes", val_f); offset += 4; /* CDR */ val_f = tvb_get_ntohieee_float (tvb, offset); proto_tree_add_double_format_value(val_tree, hf_ldp_tlv_cdr, tvb, offset, 4, val_f, "%.10g Bps", val_f); offset += 4; /* CBS */ val_f = tvb_get_ntohieee_float (tvb, offset); proto_tree_add_double_format_value(val_tree, hf_ldp_tlv_cbs, tvb, offset, 4, val_f, "%.10g Bytes", val_f); offset += 4; /* EBS */ val_f = tvb_get_ntohieee_float (tvb, offset); proto_tree_add_double_format_value(val_tree, hf_ldp_tlv_ebs, tvb, offset, 4, val_f, "%.10g Bytes", val_f); } } static void dissect_tlv_route_pinning(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; if(rem != 4) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing Route Pinning TLV: length is %d, should be 4", rem); return; } val_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Route Pinning"); if(val_tree != NULL) { proto_tree_add_item(val_tree, hf_ldp_tlv_route_pinning, tvb, offset, 4, ENC_BIG_ENDIAN); } } static void dissect_tlv_resource_class(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; if(rem != 4) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing Resource Class TLV: length is %d, should be 4", rem); return; } val_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Resource Class"); if(val_tree != NULL) { proto_tree_add_item(val_tree, hf_ldp_tlv_resource_class, tvb, offset, 4, ENC_BIG_ENDIAN); } } static void dissect_tlv_preemption(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; if(rem != 4) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing Preemption TLV: length is %d, should be 4", rem); return; } val_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Preemption"); if(val_tree != NULL) { proto_tree_add_item(val_tree, hf_ldp_tlv_set_prio, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(val_tree, hf_ldp_tlv_hold_prio, tvb, offset, 1, ENC_BIG_ENDIAN); } } static void dissect_tlv_diffserv(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { static int *hfindexes[] = { &hf_ldp_tlv_diffserv_map, &hf_ldp_tlv_diffserv_map_exp, &hf_ldp_tlv_diffserv_phbid, &hf_ldp_tlv_diffserv_phbid_dscp, &hf_ldp_tlv_diffserv_phbid_code, &hf_ldp_tlv_diffserv_phbid_bit14, &hf_ldp_tlv_diffserv_phbid_bit15 }; static gint *etts[] = { &ett_ldp_diffserv_map, &ett_ldp_diffserv_map_phbid }; int type, mapnb, count; if (rem < 4) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing Diff-Serv TLV: length is %d, should be >= 4", rem); return; } proto_tree_add_uint(tree, hf_ldp_tlv_diffserv_type, tvb, offset, 1, type = tvb_get_guint8(tvb, offset)); type = (type >> 7) + 1; if (type == 1) { /* E-LSP */ offset += 3; proto_tree_add_uint(tree, hf_ldp_tlv_diffserv_mapnb, tvb, offset, 1, mapnb = tvb_get_guint8(tvb, offset) & 15); offset += 1; for (count = 0; count < mapnb; count++) { dissect_diffserv_mpls_common(tvb, tree, type, offset, hfindexes, etts); offset += 4; } } else if (type == 2) { /* L-LSP */ dissect_diffserv_mpls_common(tvb, tree, type, offset + 2, hfindexes, etts); } } static int dissect_tlv(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem); static void dissect_tlv_er(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; int len; val_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Explicit route"); if(val_tree != NULL) { while (rem > 0) { len = dissect_tlv (tvb, pinfo, offset, val_tree, rem); offset += len; rem -= len; } } } static void dissect_tlv_pw_status(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem); static void dissect_tlv_pw_grouping(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem); /* Dissect Upstream Label Assignment Capability TLV */ static void dissect_tlv_upstrm_lbl_ass_cap(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; if ( rem != 1) { proto_item* inv_length; inv_length = proto_tree_add_item(tree, hf_ldp_tlv_inv_length, tvb, offset, rem, ENC_BIG_ENDIAN); expert_add_info(pinfo, inv_length, &ei_ldp_inv_length); return; } /*State bit*/ val_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "State Bit"); proto_tree_add_item(val_tree, hf_ldp_tlv_upstr_sbit, tvb,offset, 1, ENC_BIG_ENDIAN); } /*Dissect Upstream Assigned Label Request TLV*/ static void dissect_tlv_upstrm_ass_lbl_req(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { if ( rem != 4) { proto_item* inv_length; inv_length = proto_tree_add_item(tree, hf_ldp_tlv_inv_length, tvb, offset, rem, ENC_BIG_ENDIAN); expert_add_info(pinfo, inv_length, &ei_ldp_inv_length); return; } /*Reserved Bits*/ proto_tree_add_item(tree, hf_ldp_tlv_upstr_lbl_req_resvbit, tvb,offset, 4, ENC_BIG_ENDIAN); } /*Dissect Upstream Assigned Label TLV*/ static void dissect_tlv_upstrm_ass_lbl(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; if ( rem != 8) { proto_item* inv_length; inv_length = proto_tree_add_item(tree, hf_ldp_tlv_inv_length, tvb, offset, rem, ENC_BIG_ENDIAN); expert_add_info(pinfo, inv_length, &ei_ldp_inv_length); return; } /*Value Field starts here*/ val_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "Upstream-Assigned Label"); /*Reserved bits*/ proto_tree_add_item(val_tree, hf_ldp_tlv_upstr_lbl_resvbit, tvb,offset, 4, ENC_BIG_ENDIAN); /*The Upstream Label*/ proto_tree_add_item(val_tree, hf_ldp_tlv_upstr_ass_lbl, tvb,offset + 4, 4, ENC_BIG_ENDIAN); } /*Dissect IPv4 Interface ID TLV*/ static void dissect_tlv_ipv4_interface_id(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree, *sub_tree; val_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "IPv4 Interface ID"); /*Dissect IPv4 Next/Previous Hop Address*/ proto_tree_add_item(val_tree, hf_ldp_tlv_ipv4_intID_hop_addr, tvb,offset, 4, ENC_BIG_ENDIAN); /*Dissect Logical Interface ID*/ proto_tree_add_item(val_tree, hf_ldp_tlv_logical_intID, tvb,offset + 4, 4, ENC_BIG_ENDIAN); sub_tree = proto_tree_add_subtree(val_tree, tvb, offset + 8, rem, ett_ldp_sub_tlv, NULL, "Sub TLV"); if(rem != 20 && rem != 24 && rem != 28 && rem != 29) { /*rem = 20 >> Length of IP Multicast Tunnel TLV rem = 29 >> Length of LDP P2MP LSV TLV rem = 24 >> Length of RSVP-TE P2MP LSP TLV rem = 28 >> Length of MPLS Context Label TLV*/ proto_item* inv_length; inv_length = proto_tree_add_item(val_tree, hf_ldp_tlv_inv_length, tvb, offset, rem, ENC_BIG_ENDIAN); expert_add_info(pinfo, inv_length, &ei_ldp_inv_length); } else { rem = rem - 8; dissect_tlv(tvb, pinfo, offset + 8, sub_tree, rem); } } /*Dissect IP Multicast Tunnel TLV*/ static void dissect_tlv_ip_multicast_tunnel(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; val_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "IP Multicast Label"); proto_tree_add_item(val_tree, hf_ldp_tlv_ip_multicast_srcaddr, tvb,offset, 4, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_ip_multicast_mltcstaddr, tvb,offset + 4, 4, ENC_BIG_ENDIAN); } static void dissect_tlv_mpls_context_lbl(tvbuff_t *tvb,packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *val_tree; proto_tree_add_item(tree, hf_ldp_tlv_ip_mpls_context_srcaddr, tvb,offset, 4, ENC_BIG_ENDIAN); val_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "MPLS Context Label"); dissect_tlv(tvb, pinfo, offset + 4, val_tree, rem); } static void dissect_tlv_ldp_p2mp_lsp(tvbuff_t *tvb, guint offset, proto_tree *tree) { guint16 addr_length = tvb_get_bits16(tvb, ((offset+3)*8), 8, ENC_BIG_ENDIAN); guint16 opcode_length = tvb_get_bits16(tvb, ((offset + 4 + addr_length)*8), 16, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_ldp_tlv_ldp_p2mp_lsptype, tvb,offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_ldp_tlv_ldp_p2mp_addrfam, tvb,offset + 1, 2, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_ldp_tlv_ldp_p2mp_addrlen, tvb,offset + 3, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_ldp_tlv_ldp_p2mp_rtnodeaddr, tvb,offset + 4, addr_length, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_ldp_tlv_ldp_p2mp_oplength, tvb,offset + 4 + addr_length, 2, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_ldp_tlv_ldp_p2mp_opvalue, tvb,offset + 4 + addr_length + 2, opcode_length, ENC_NA); } static void dissect_tlv_rsvp_te_p2mp_lsp(tvbuff_t *tvb, guint offset, proto_tree *tree) { proto_tree_add_item(tree, hf_ldp_tlv_rsvp_te_p2mp_id, tvb,offset, 4, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_ldp_tlv_must_be_zero, tvb,offset + 4, 2, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_ldp_tlv_tunnel_id, tvb,offset + 6, 2, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_ldp_tlv_ext_tunnel_id, tvb,offset + 8, 4, ENC_BIG_ENDIAN); } /* Dissect a TLV and return the number of bytes consumed ... */ static int dissect_tlv(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { guint16 type, typebak; int length; length=tvb_reported_length_remaining(tvb, offset); rem=MIN(rem, length); if( rem < 4 ) {/*chk for minimum header*/ if (tree) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing TLV: length is %d, should be >= 4", rem); } return rem; } type = tvb_get_ntohs(tvb, offset) & 0x3FFF; length = tvb_get_ntohs(tvb, offset + 2); rem -= 4; /*do not count header*/ length = MIN(length, rem); /* Don't go haywire if a problem ... */ if (tree) { proto_tree *tlv_tree; /*chk for vendor-private*/ if(type>=TLV_VENDOR_PRIVATE_START && type<=TLV_VENDOR_PRIVATE_END){ typebak=type; /*keep type*/ type=TLV_VENDOR_PRIVATE_START; tlv_tree = proto_tree_add_subtree(tree, tvb, offset, length + 4, ett_ldp_tlv, NULL, "Vendor Private TLV"); /*chk for experimental*/ } else if(type>=TLV_EXPERIMENTAL_START && type<=TLV_EXPERIMENTAL_END){ typebak=type; /*keep type*/ type=TLV_EXPERIMENTAL_START; tlv_tree = proto_tree_add_subtree(tree, tvb, offset, length + 4, ett_ldp_tlv, NULL, "Experimental TLV"); } else { typebak=0; tlv_tree = proto_tree_add_subtree(tree, tvb, offset, length + 4, ett_ldp_tlv, NULL, val_to_str(type, tlv_type_names, "Unknown TLV type (0x%04X)")); } proto_tree_add_item(tlv_tree, hf_ldp_tlv_unknown, tvb, offset, 1, ENC_BIG_ENDIAN); switch (type) { case TLV_VENDOR_PRIVATE_START: proto_tree_add_uint_format_value(tlv_tree, hf_ldp_tlv_type, tvb, offset, 2, typebak, "Vendor Private (0x%X)", typebak); break; case TLV_EXPERIMENTAL_START: proto_tree_add_uint_format_value(tlv_tree, hf_ldp_tlv_type, tvb, offset, 2, typebak, "Experimental (0x%X)", typebak); break; default: proto_tree_add_uint_format(tlv_tree, hf_ldp_tlv_type, tvb, offset, 2, type, "TLV Type: %s (0x%X)", val_to_str_const(type, tlv_type_names, "Unknown TLV type"), type ); } proto_tree_add_item(tlv_tree, hf_ldp_tlv_len, tvb, offset + 2, 2, ENC_BIG_ENDIAN); switch (type) { case TLV_FEC: dissect_tlv_fec(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_ADDRESS_LIST: dissect_tlv_address_list(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_HOP_COUNT: if( length != 1 ) /*error, only one byte*/ proto_tree_add_expert_format(tlv_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset + 4,length, "Error processing Hop Count TLV: length is %d, should be 1", length); else proto_tree_add_item(tlv_tree, hf_ldp_tlv_hc_value, tvb,offset + 4, length, ENC_BIG_ENDIAN); break; case TLV_PATH_VECTOR: dissect_tlv_path_vector(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_GENERIC_LABEL: if( length != 4 ) /*error, need only label*/ proto_tree_add_expert_format(tlv_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset + 4, length, "Error processing Generic Label TLV: length is %d, should be 4", length); else { guint32 label=tvb_get_ntohl(tvb, offset+4) & 0x000FFFFF; proto_tree_add_uint(tlv_tree, hf_ldp_tlv_generic_label, tvb, offset+4, length, label); } break; case TLV_ATM_LABEL: dissect_tlv_atm_label(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_FRAME_LABEL: dissect_tlv_frame_label(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_FT_PROTECTION: if( length != 4 ) /* Length must be 4 bytes */ proto_tree_add_expert_format(tlv_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset + 4, length, "Error processing FT Protection TLV: length is %d, should be 4", length); else proto_tree_add_item(tlv_tree, hf_ldp_tlv_ft_protect_sequence_num, tvb, offset + 4,length, ENC_BIG_ENDIAN); break; case TLV_STATUS: dissect_tlv_status(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_EXTENDED_STATUS: if( length != 4 ) /*error, need only status_code(guint32)*/ proto_tree_add_expert_format(tlv_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset + 4, length, "Error processing Extended Status TLV: length is %d, should be 4", length); else { proto_tree_add_item(tlv_tree, hf_ldp_tlv_extstatus_data, tvb, offset + 4, length, ENC_BIG_ENDIAN); } break; case TLV_RETURNED_PDU: dissect_tlv_returned_pdu(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_RETURNED_MESSAGE: dissect_tlv_returned_message(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_COMMON_HELLO_PARMS: #if 0 dissect_tlv_common_hello_parms(tvb, pinfo, offset + 4, tlv_tree, length); #else dissect_tlv_common_hello_parms(tvb, pinfo, offset + 4, tlv_tree); #endif break; case TLV_IPV4_TRANSPORT_ADDRESS: if( length != 4 ) /*error, need only ipv4*/ proto_tree_add_expert_format(tlv_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset + 4, length, "Error processing IPv4 Transport Address TLV: length is %d, should be 4", length); else { proto_tree_add_item(tlv_tree, hf_ldp_tlv_ipv4_taddr, tvb, offset + 4, 4, ENC_BIG_ENDIAN); } break; case TLV_CONFIGURATION_SEQNO: if( length != 4 ) /*error, need only seq_num(guint32)*/ proto_tree_add_expert_format(tlv_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset + 4, length, "Error processing Configuration Sequence Number TLV: length is %d, should be 4", length); else { proto_tree_add_item(tlv_tree, hf_ldp_tlv_config_seqno, tvb, offset + 4, 4, ENC_BIG_ENDIAN); } break; case TLV_IPV6_TRANSPORT_ADDRESS: if( length != 16 ) /*error, need only ipv6*/ proto_tree_add_expert_format(tlv_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset + 4, length, "Error processing IPv6 Transport Address TLV: length is %d, should be 16", length); else { proto_tree_add_item(tlv_tree, hf_ldp_tlv_ipv6_taddr, tvb, offset + 4, 16, ENC_NA); } break; case TLV_MAC: /* draft-lasserre-vkompella-ppvpn-vpls-02.txt */ dissect_tlv_mac(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_COMMON_SESSION_PARMS: dissect_tlv_common_session_parms(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_ATM_SESSION_PARMS: dissect_tlv_atm_session_parms(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_FRAME_RELAY_SESSION_PARMS: dissect_tlv_frame_relay_session_parms(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_FT_SESSION: /* Used in RFC3478 LDP Graceful Restart */ dissect_tlv_ft_session(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_FT_ACK: if( length != 4 ) /* Length must be 4 bytes */ proto_tree_add_expert_format(tlv_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset + 4, length, "Error processing FT ACK TLV: length is %d, should be 4", length); else proto_tree_add_item(tlv_tree, hf_ldp_tlv_ft_ack_sequence_num, tvb, offset + 4,length, ENC_BIG_ENDIAN); break; case TLV_FT_CORK: if( length != 0 ) /* Length must be 0 bytes */ proto_tree_add_expert_format(tlv_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset + 4, length, "Error processing FT Cork TLV: length is %d, should be 0", length); break; case TLV_LABEL_REQUEST_MESSAGE_ID: if( length != 4 ) /*error, need only one msgid*/ proto_tree_add_expert_format(tlv_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset + 4, length, "Error processing Label Request Message ID TLV: length is %d, should be 4", length); else proto_tree_add_item(tlv_tree, hf_ldp_tlv_lbl_req_msg_id, tvb,offset + 4,length, ENC_BIG_ENDIAN); break; case TLV_LSPID: dissect_tlv_lspid(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_ER: dissect_tlv_er(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_ER_HOP_IPV4: dissect_tlv_er_hop_ipv4(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_ER_HOP_IPV6: dissect_tlv_er_hop_ipv6(tvb, pinfo, offset +4, tlv_tree, length); break; case TLV_ER_HOP_AS: dissect_tlv_er_hop_as(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_ER_HOP_LSPID: dissect_tlv_er_hop_lspid(tvb, pinfo, offset +4, tlv_tree, length); break; case TLV_TRAFFIC_PARAM: dissect_tlv_traffic(tvb, pinfo, offset +4, tlv_tree, length); break; case TLV_PREEMPTION: dissect_tlv_preemption(tvb, pinfo, offset +4, tlv_tree, length); break; case TLV_RESOURCE_CLASS: dissect_tlv_resource_class(tvb, pinfo, offset +4, tlv_tree, length); break; case TLV_ROUTE_PINNING: dissect_tlv_route_pinning(tvb, pinfo, offset +4, tlv_tree, length); break; case TLV_DIFFSERV: dissect_tlv_diffserv(tvb, pinfo, offset +4, tlv_tree, length); break; case TLV_VENDOR_PRIVATE_START: if( length < 4 ) /*error, at least Vendor ID*/ proto_tree_add_expert_format(tlv_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset + 4, length, "Error processing Vendor Private Start TLV: length is %d, should be >= 4", length); else { proto_tree_add_item(tlv_tree, hf_ldp_tlv_vendor_id, tvb,offset + 4, 4, ENC_BIG_ENDIAN); if( length > 4 ) /*have data*/ proto_tree_add_item(tlv_tree, hf_ldp_data, tvb, offset + 8, length-4, ENC_NA); } break; case TLV_EXPERIMENTAL_START: if( length < 4 ) /*error, at least Experiment ID*/ proto_tree_add_expert_format(tlv_tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset + 4, length, "Error processing Experimental Start TLV: length is %d, should be >= 4", length); else { proto_tree_add_item(tlv_tree, hf_ldp_tlv_experiment_id, tvb,offset + 4, 4, ENC_BIG_ENDIAN); if( length > 4 ) /*have data*/ proto_tree_add_item(tlv_tree, hf_ldp_data, tvb, offset + 8, length-4, ENC_NA); } break; case TLV_PW_STATUS: { /* Ref: RFC 4447 and 4446*/ dissect_tlv_pw_status(tvb, pinfo, offset +4, tlv_tree, length); break; } case TLV_PW_INTERFACE_PARAMETERS: { /* Ref: RFC 4447 */ static int *interface_params_header_fields[] = { &hf_ldp_tlv_intparam_length , &hf_ldp_tlv_intparam_mtu , &hf_ldp_tlv_intparam_tdmbps , &hf_ldp_tlv_intparam_id , &hf_ldp_tlv_intparam_maxcatmcells , &hf_ldp_tlv_intparam_desc , &hf_ldp_tlv_intparam_cepbytes , &hf_ldp_tlv_intparam_cepopt_ais , &hf_ldp_tlv_intparam_cepopt_une , &hf_ldp_tlv_intparam_cepopt_rtp , &hf_ldp_tlv_intparam_cepopt_ebm , &hf_ldp_tlv_intparam_cepopt_mah , &hf_ldp_tlv_intparam_cepopt_res , &hf_ldp_tlv_intparam_cepopt_ceptype , &hf_ldp_tlv_intparam_cepopt_t3 , &hf_ldp_tlv_intparam_cepopt_e3 , &hf_ldp_tlv_intparam_vlanid , &hf_ldp_tlv_intparam_dlcilen , &hf_ldp_tlv_intparam_fcslen , &hf_ldp_tlv_intparam_tdmopt_r , &hf_ldp_tlv_intparam_tdmopt_d , &hf_ldp_tlv_intparam_tdmopt_f , &hf_ldp_tlv_intparam_tdmopt_res1 , &hf_ldp_tlv_intparam_tdmopt_pt , &hf_ldp_tlv_intparam_tdmopt_res2 , &hf_ldp_tlv_intparam_tdmopt_freq , &hf_ldp_tlv_intparam_tdmopt_ssrc , &hf_ldp_tlv_intparam_vccv_cctype_cw , &hf_ldp_tlv_intparam_vccv_cctype_mplsra , &hf_ldp_tlv_intparam_vccv_cctype_ttl1 , &hf_ldp_tlv_intparam_vccv_cvtype_icmpping , &hf_ldp_tlv_intparam_vccv_cvtype_lspping , &hf_ldp_tlv_intparam_vccv_cvtype_bfd, &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd2, &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd3, &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd4, &hf_ldp_tlv_fec_vc_intparam_flowlabel_t, &hf_ldp_tlv_fec_vc_intparam_flowlabel_r, &hf_ldp_tlv_fec_vc_intparam_flowlabel_res }; int vc_len = length; offset += 4; while ( (vc_len > 1) && (rem > 1) ) { /* enough to include id and length */ int intparam_len = tvb_get_guint8(tvb, offset+1); if (intparam_len < 2){ /* At least Type and Len, protect against len = 0 */ proto_tree_add_expert(tlv_tree, pinfo, &ei_ldp_malformed_interface_parameter, tvb, offset +1, 1); break; } if ( (vc_len -intparam_len) <0 && (rem -intparam_len) <0 ) { /* error condition */ proto_tree_add_expert(tlv_tree, pinfo, &ei_ldp_malformed_data, tvb, offset +2, MIN(vc_len,rem)); break; } dissect_subtlv_interface_parameters(tvb, offset, tlv_tree, intparam_len, interface_params_header_fields); rem -= intparam_len; vc_len -= intparam_len; offset += intparam_len; } break; } case TLV_PW_GROUPING: { /* Ref: RFC 4447 */ dissect_tlv_pw_grouping(tvb, offset +4, tlv_tree, length); break; } case TLV_UPSTRM_LBL_ASS_CAP: dissect_tlv_upstrm_lbl_ass_cap(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_UPSTRM_ASS_LBL_REQ: dissect_tlv_upstrm_ass_lbl_req(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_UPSTRM_ASS_LBL: dissect_tlv_upstrm_ass_lbl(tvb, pinfo, offset + 4, tlv_tree, length); break; case TLV_IPV4_INTERFACE_ID: dissect_tlv_ipv4_interface_id(tvb, pinfo, offset + 4, tlv_tree, length); /*dissect_tlv_ipv4_interface_id(tvb, offset + 4, tlv_tree, length);*/ break; case TLV_IP_MULTICAST_TUNNEL: dissect_tlv_ip_multicast_tunnel(tvb, offset + 4, tlv_tree, rem); break; case TLV_MPLS_CONTEXT_LBL: dissect_tlv_mpls_context_lbl(tvb, pinfo, offset + 4, tlv_tree, rem); break; case TLV_LDP_P2MP_LSP: dissect_tlv_ldp_p2mp_lsp(tvb, offset + 4, tlv_tree); break; case TLV_RSVP_TE_P2MP_LSP: dissect_tlv_rsvp_te_p2mp_lsp(tvb, offset + 4, tlv_tree); break; default: proto_tree_add_item(tlv_tree, hf_ldp_tlv_value, tvb, offset + 4, length, ENC_NA); break; } } return length + 4; /* Length of the value field + header */ } /* Dissect a Message and return the number of bytes consumed ... */ static int dissect_msg(tvbuff_t *tvb, guint offset, packet_info *pinfo, proto_tree *tree) { guint16 type, typebak; guint8 extra=0; int length, rem, ao=0, co; proto_tree *msg_tree = NULL; rem=tvb_reported_length_remaining(tvb, offset); if( rem < 8 ) {/*chk for minimum header = type + length + msg_id*/ col_append_str(pinfo->cinfo, COL_INFO, "Bad Message"); proto_tree_add_expert_format(tree, pinfo, &ei_ldp_inv_length, tvb, offset, rem, "Error processing Message: length is %d, should be >= 8", rem); return rem; } type = tvb_get_ntohs(tvb, offset) & 0x7FFF; /*chk for vendor-private*/ if(type>=LDP_VENDOR_PRIVATE_START && type<=LDP_VENDOR_PRIVATE_END){ typebak=type; /*keep type*/ type=LDP_VENDOR_PRIVATE_START; extra=4; /*chk for experimental*/ } else if(type>=LDP_EXPERIMENTAL_MESSAGE_START && type<=LDP_EXPERIMENTAL_MESSAGE_END){ typebak=type; /*keep type*/ type=LDP_EXPERIMENTAL_MESSAGE_START; extra=4; } else { typebak=0; extra=0; } if( (length = tvb_get_ntohs(tvb, offset + 2)) < (4+extra) ) {/*not enough data for type*/ col_append_str(pinfo->cinfo, COL_INFO, "Bad Message Length "); proto_tree_add_expert_format(tree, pinfo, &ei_ldp_inv_length, tvb, offset, rem, "Error processing Message Length: length is %d, should be >= %u", length, 4+extra); return rem; } rem -= 4; length = MIN(length, rem); /* Don't go haywire if a problem ... */ switch (type) { case LDP_VENDOR_PRIVATE_START: col_append_fstr(pinfo->cinfo, COL_INFO, "Vendor-Private Message (0x%04X) ", typebak); break; case LDP_EXPERIMENTAL_MESSAGE_START: col_append_fstr(pinfo->cinfo, COL_INFO, "Experimental Message (0x%04X) ", typebak); break; default: col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(type, ldp_message_types, "Unknown Message (0x%04X)")); } if (tree) { switch (type) { case LDP_VENDOR_PRIVATE_START: msg_tree = proto_tree_add_subtree(tree, tvb, offset, length + 4, ett_ldp_message, NULL, "Vendor-Private Message"); break; case LDP_EXPERIMENTAL_MESSAGE_START: msg_tree = proto_tree_add_subtree(tree, tvb, offset, length + 4, ett_ldp_message, NULL, "Experimental Message"); break; default: msg_tree = proto_tree_add_subtree(tree, tvb, offset, length + 4, ett_ldp_message, NULL, val_to_str(type, ldp_message_types, "Unknown Message type (0x%04X)")); } proto_tree_add_item(msg_tree, hf_ldp_msg_ubit, tvb, offset, 1, ENC_BIG_ENDIAN); switch (type) { case LDP_VENDOR_PRIVATE_START: proto_tree_add_uint_format_value(msg_tree, hf_ldp_msg_type, tvb, offset, 2, typebak, "Vendor Private (0x%X)", typebak); break; case LDP_EXPERIMENTAL_MESSAGE_START: proto_tree_add_uint_format_value(msg_tree, hf_ldp_msg_type, tvb, offset, 2, typebak, "Experimental (0x%X)", typebak); break; default: proto_tree_add_uint_format(msg_tree, hf_ldp_msg_type, tvb, offset, 2, type, "Message Type: %s (0x%X)", val_to_str_const(type, ldp_message_types,"Unknown Message Type"), type); } proto_tree_add_item(msg_tree, hf_ldp_msg_len, tvb, offset+2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(msg_tree, hf_ldp_msg_id, tvb, offset+4, 4, ENC_BIG_ENDIAN); if(extra){ proto_tree_add_item(msg_tree, (type == LDP_VENDOR_PRIVATE_START) ? hf_ldp_msg_vendor_id : hf_ldp_msg_experiment_id, tvb, offset+8, extra, ENC_BIG_ENDIAN); } } offset += (8+extra); length -= (4+extra); if (tree) { while ( (length-ao) > 0 ) { co = dissect_tlv(tvb, pinfo, offset, msg_tree, length-ao); offset += co; ao += co; } } return length+8+extra; } /* Dissect a PDU */ static void dissect_ldp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { int offset = 0, co; int rem, length; proto_tree *ti=NULL, *pdu_tree = NULL; col_set_str(pinfo->cinfo, COL_PROTOCOL, "LDP"); col_clear(pinfo->cinfo, COL_INFO); if (tree) { ti=proto_tree_add_item(tree, proto_ldp, tvb, 0, -1, ENC_NA); pdu_tree = proto_item_add_subtree(ti, ett_ldp); proto_tree_add_item(pdu_tree, hf_ldp_version, tvb, offset, 2, ENC_BIG_ENDIAN); } length = tvb_get_ntohs(tvb, offset+2); if (tree) { proto_tree_add_uint(pdu_tree, hf_ldp_pdu_len, tvb, offset+2, 2, length); } length += 4; /* add the version and type sizes */ rem = tvb_reported_length_remaining(tvb, offset); if (length < rem) tvb_set_reported_length(tvb, length); if (tree) { proto_tree_add_item(pdu_tree, hf_ldp_lsr, tvb, offset+4, 4, ENC_BIG_ENDIAN); proto_tree_add_item(pdu_tree, hf_ldp_ls_id, tvb, offset+8, 2, ENC_BIG_ENDIAN); } offset += 10; while ( tvb_reported_length_remaining(tvb, offset) > 0 ) { co = dissect_msg(tvb, offset, pinfo, pdu_tree); offset += co; } } static int dissect_ldp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { /* * Make sure the first PDU has a version number of 1; * if not, reject this, so we don't get confused by * packets that happen to be going to or from the * LDP port but that aren't LDP packets. */ if (tvb_captured_length(tvb) < 2) { /* * Not enough information to tell. */ return 0; } if (tvb_get_ntohs(tvb, 0) != 1) { /* * Not version 1. */ return 0; } dissect_ldp_pdu(tvb, pinfo, tree); /* * XXX - return minimum of this and the length of the PDU? */ return tvb_captured_length(tvb); } static void dissect_tlv_pw_status(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *ti, *val_tree; if(rem != 4){ proto_tree_add_expert_format(tree, pinfo, &ei_ldp_tlv_fec_len, tvb, offset, rem, "Error processing PW Status TLV: length is %d, should be 4", rem); return; } ti = proto_tree_add_item(tree, hf_ldp_tlv_pw_status_data, tvb, offset, rem, ENC_BIG_ENDIAN); val_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val); /* Display the bits 0-4 if they are set or not set */ proto_tree_add_item(val_tree, hf_ldp_tlv_pw_not_forwarding, tvb, offset, 4, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_pw_lac_ingress_recv_fault, tvb, offset, 4, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_pw_lac_egress_recv_fault, tvb, offset, 4, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_pw_psn_pw_ingress_recv_fault, tvb, offset, 4, ENC_BIG_ENDIAN); proto_tree_add_item(val_tree, hf_ldp_tlv_pw_psn_pw_egress_recv_fault, tvb, offset, 4, ENC_BIG_ENDIAN); } static void dissect_tlv_pw_grouping(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem _U_) { proto_tree_add_item(tree,hf_ldp_tlv_pw_grouping_value,tvb,offset,4,ENC_BIG_ENDIAN); } static void dissect_subtlv_interface_parameters(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem, int *interface_parameters_hf[]) { #if 0 static int interface_parameters_hf[] = { 0 - hf_ldp_tlv_fec_vc_intparam_length , 1 - hf_ldp_tlv_fec_vc_intparam_mtu , 2 - hf_ldp_tlv_fec_vc_intparam_tdmbps , 3 - hf_ldp_tlv_fec_vc_intparam_id , 4 - hf_ldp_tlv_fec_vc_intparam_maxcatmcells , 5 - hf_ldp_tlv_fec_vc_intparam_desc , 6 - hf_ldp_tlv_fec_vc_intparam_cepbytes , 7 - hf_ldp_tlv_fec_vc_intparam_cepopt_ais , 8 - hf_ldp_tlv_fec_vc_intparam_cepopt_une , 9 - hf_ldp_tlv_fec_vc_intparam_cepopt_rtp , 10 - hf_ldp_tlv_fec_vc_intparam_cepopt_ebm , 11 - hf_ldp_tlv_fec_vc_intparam_cepopt_mah , 12 - hf_ldp_tlv_fec_vc_intparam_cepopt_res , 13 - hf_ldp_tlv_fec_vc_intparam_cepopt_ceptype , 14 - hf_ldp_tlv_fec_vc_intparam_cepopt_t3 , 15 - hf_ldp_tlv_fec_vc_intparam_cepopt_e3 , 16 - hf_ldp_tlv_fec_vc_intparam_vlanid , 17 - hf_ldp_tlv_fec_vc_intparam_dlcilen , 18 - hf_ldp_tlv_fec_vc_intparam_fcslen , 19 - hf_ldp_tlv_fec_vc_intparam_tdmopt_r , 20 - hf_ldp_tlv_fec_vc_intparam_tdmopt_d , 21 - hf_ldp_tlv_fec_vc_intparam_tdmopt_f , 22 - hf_ldp_tlv_fec_vc_intparam_tdmopt_res1 , 23 - hf_ldp_tlv_fec_vc_intparam_tdmopt_pt , 24 - hf_ldp_tlv_fec_vc_intparam_tdmopt_res2 , 25 - hf_ldp_tlv_fec_vc_intparam_tdmopt_freq , 26 - hf_ldp_tlv_fec_vc_intparam_tdmopt_ssrc , 27 - hf_ldp_tlv_fec_vc_intparam_vccv_cctype_cw , 28 - hf_ldp_tlv_fec_vc_intparam_vccv_cctype_mplsra , 29 - hf_ldp_tlv_fec_vc_intparam_vccv_cctype_ttl1 , 30 - hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_icmpping , 31 - hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_lspping , 32 - hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd1, 33 - hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd2, 34 - hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd3, 35 - hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd4, 36 - hf_ldp_tlv_fec_vc_intparam_flowlabel_t, 37 - hf_ldp_tlv_fec_vc_intparam_flowlabel_r, 38 - hf_ldp_tlv_fec_vc_intparam_flowlabel_res }; #endif proto_tree *ti; proto_tree *cepopt_tree=NULL, *vccvtype_tree=NULL; proto_tree *vcintparam_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_fec_vc_interfaceparam, &ti, "Interface Parameter"); guint8 intparam_len = rem; proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[3],tvb,offset,1,ENC_BIG_ENDIAN); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[0],tvb, offset+1, 1, ENC_BIG_ENDIAN); switch (tvb_get_guint8(tvb, offset)) { case FEC_VC_INTERFACEPARAM_MTU: proto_item_append_text(ti,": MTU %u", tvb_get_ntohs(tvb,offset+2)); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[1],tvb, offset+2, 2, ENC_BIG_ENDIAN); break; case FEC_VC_INTERFACEPARAM_TDMBPS: /* draft-ietf-pwe3-control-protocol-06.txt */ proto_item_append_text(ti,": BPS %u", tvb_get_ntohl(tvb,offset+2)); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[2],tvb, offset+2, 4, ENC_BIG_ENDIAN); break; case FEC_VC_INTERFACEPARAM_MAXCATMCELLS: proto_item_append_text(ti,": Max ATM Concat Cells %u", tvb_get_ntohs(tvb,offset+2)); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[4],tvb, offset+2, 2, ENC_BIG_ENDIAN); break; case FEC_VC_INTERFACEPARAM_DESCRIPTION: proto_item_append_text(ti,": Description"); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[5],tvb, offset+2, (intparam_len -2), ENC_ASCII|ENC_NA); break; case FEC_VC_INTERFACEPARAM_CEPBYTES: proto_item_append_text(ti,": CEP/TDM Payload Bytes %u", tvb_get_ntohs(tvb,offset+2)); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[6],tvb, offset+2, 2, ENC_BIG_ENDIAN); break; case FEC_VC_INTERFACEPARAM_CEPOPTIONS: /* draft-ietf-pwe3-sonet-05.txt */ proto_item_append_text(ti,": CEP Options"); cepopt_tree = proto_tree_add_subtree(vcintparam_tree, tvb, offset + 2, 2, ett_ldp_fec_vc_interfaceparam_cepopt, NULL, "CEP Options"); proto_tree_add_item(cepopt_tree, *interface_parameters_hf[7], tvb, offset + 2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(cepopt_tree, *interface_parameters_hf[8], tvb, offset + 2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(cepopt_tree, *interface_parameters_hf[9], tvb, offset + 2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(cepopt_tree, *interface_parameters_hf[10], tvb, offset + 2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(cepopt_tree, *interface_parameters_hf[11], tvb, offset + 2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(cepopt_tree, *interface_parameters_hf[12], tvb, offset + 2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(cepopt_tree, *interface_parameters_hf[13], tvb, offset + 2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(cepopt_tree, *interface_parameters_hf[14], tvb, offset + 2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(cepopt_tree, *interface_parameters_hf[15], tvb, offset + 2, 2, ENC_BIG_ENDIAN); break; case FEC_VC_INTERFACEPARAM_VLANID: proto_item_append_text(ti,": VLAN Id %u", tvb_get_ntohs(tvb,offset+2)); proto_tree_add_item(vcintparam_tree, *interface_parameters_hf[16], tvb, offset+2, 2, ENC_BIG_ENDIAN); break; case FEC_VC_INTERFACEPARAM_FRDLCILEN: proto_item_append_text(ti,": DLCI Length %u", tvb_get_ntohs(tvb,offset+2)); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[17], tvb, offset+2, 2, ENC_BIG_ENDIAN); break; case FEC_VC_INTERFACEPARAM_FRAGIND: /* draft-ietf-pwe3-fragmentation-05.txt */ proto_item_append_text(ti,": Fragmentation"); break; case FEC_VC_INTERFACEPARAM_FCSRETENT: /* draft-ietf-pwe3-fcs-retention-02.txt */ proto_item_append_text(ti,": FCS retention, FCS Length %u Bytes", tvb_get_ntohs(tvb,offset+2)); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[18], tvb, offset+2, 2, ENC_BIG_ENDIAN); break; case FEC_VC_INTERFACEPARAM_TDMOPTION: /* draft-vainshtein-pwe3-tdm-control-protocol-extensions */ proto_item_append_text(ti,": TDM Options"); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[19], tvb, offset+2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[20], tvb, offset+2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[21], tvb, offset+2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[22], tvb, offset+2, 2, ENC_BIG_ENDIAN); if (intparam_len >= 8){ proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[23], tvb, offset+4, 1, ENC_BIG_ENDIAN); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[24], tvb, offset+5, 1, ENC_BIG_ENDIAN); proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[25], tvb, offset+6, 2, ENC_BIG_ENDIAN); } if (intparam_len >= 12){ proto_tree_add_item(vcintparam_tree,*interface_parameters_hf[26], tvb, offset+8, 4, ENC_BIG_ENDIAN); } break; case FEC_VC_INTERFACEPARAM_VCCV: /* draft-ietf-pwe3-vccv-03.txt */ proto_item_append_text(ti,": VCCV"); vccvtype_tree = proto_tree_add_subtree(vcintparam_tree, tvb, offset + 2, 1, ett_ldp_fec_vc_interfaceparam_vccvtype, NULL, "CC Type"); proto_tree_add_item(vccvtype_tree, *interface_parameters_hf[27], tvb, offset+2, 1, ENC_BIG_ENDIAN); proto_tree_add_item(vccvtype_tree, *interface_parameters_hf[28], tvb, offset+2, 1, ENC_BIG_ENDIAN); proto_tree_add_item(vccvtype_tree, *interface_parameters_hf[29], tvb, offset+2, 1, ENC_BIG_ENDIAN); vccvtype_tree = proto_tree_add_subtree(vcintparam_tree, tvb, offset + 3, 1, ett_ldp_fec_vc_interfaceparam_vccvtype, NULL, "CV Type"); proto_tree_add_item(vccvtype_tree, *interface_parameters_hf[30], tvb, offset+3, 1, ENC_BIG_ENDIAN); proto_tree_add_item(vccvtype_tree, *interface_parameters_hf[31], tvb, offset+3, 1, ENC_BIG_ENDIAN); proto_tree_add_item(vccvtype_tree, *interface_parameters_hf[32], tvb, offset+3, 1, ENC_BIG_ENDIAN); break; case FEC_VC_INTERFACEPARAM_FLOWLABEL: proto_item_append_text(ti,": Flow Label for Pseudowire"); proto_tree_add_item(vcintparam_tree, *interface_parameters_hf[36], tvb, offset+2, 1, ENC_BIG_ENDIAN); proto_tree_add_item(vcintparam_tree, *interface_parameters_hf[37], tvb, offset+2, 1, ENC_BIG_ENDIAN); proto_tree_add_item(vcintparam_tree, *interface_parameters_hf[38], tvb, offset+2, 2, ENC_BIG_ENDIAN); break; default: /* unknown */ proto_item_append_text(ti," unknown"); proto_tree_add_item(vcintparam_tree, hf_ldp_unknown_data, tvb, offset+2, (intparam_len -2), ENC_NA); break; } } static void dissect_genpwid_fec_aai_type2_parameter(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem) { proto_tree *aai_param_tree = proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_gen_aai_type2, NULL, "AAI"); /* check if the remaining length is 12 bytes or not... */ if ( rem != 12) { proto_tree_add_expert_format(tree, pinfo, &ei_ldp_inv_length, tvb, offset, rem, "Error processing AAI Parameter: length is %d, should be 12 bytes for Type 2.", rem); return; } proto_tree_add_item(aai_param_tree,hf_ldp_tlv_fec_gen_aai_globalid,tvb,offset,4,ENC_BIG_ENDIAN); proto_tree_add_item(aai_param_tree,hf_ldp_tlv_fec_gen_aai_prefix,tvb, offset+4, 4, ENC_BIG_ENDIAN); proto_tree_add_item(aai_param_tree,hf_ldp_tlv_fec_gen_aai_ac_id,tvb, offset+4, 4, ENC_BIG_ENDIAN); } static int dissect_ldp_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { volatile gboolean first = TRUE; volatile int offset = 0; int length_remaining; guint16 plen; int length; tvbuff_t *volatile next_tvb; while (tvb_reported_length_remaining(tvb, offset) != 0) { length_remaining = tvb_captured_length_remaining(tvb, offset); /* * Make sure the first PDU has a version number of 1; * if not, reject this, so we don't get confused by * packets that happen to be going to or from the * LDP port but that aren't LDP packets. * * XXX - this means we can't handle an LDP PDU of which * only one byte appears in a TCP segment. If that's * a problem, we'll either have to completely punt on * rejecting non-LDP packets, or will have to assume * that if we have only one byte, it's an LDP packet. */ if (first) { if (length_remaining < 2) { /* * Not enough information to tell. */ return 0; } if (tvb_get_ntohs(tvb, offset) != 1) { /* * Not version 1. */ return 0; } first = FALSE; } /* * Can we do reassembly? */ if (ldp_desegment && pinfo->can_desegment) { /* * Yes - is the LDP header split across segment * boundaries? */ if (length_remaining < 4) { /* * Yes. Tell the TCP dissector where the data for this message * starts in the data it handed us and that we need "some more * data." Don't tell it exactly how many bytes we need because * if/when we ask for even more (after the header) that will * break reassembly. */ pinfo->desegment_offset = offset; pinfo->desegment_len = DESEGMENT_ONE_MORE_SEGMENT; return -((gint32) pinfo->desegment_len); } } /* * Get the length of the rest of the LDP packet. * XXX - check for a version of 1 first? */ plen = tvb_get_ntohs(tvb, offset + 2); /* * Can we do reassembly? */ if (ldp_desegment && pinfo->can_desegment) { /* * Yes - is the LDP packet split across segment * boundaries? */ if (length_remaining < plen + 4) { /* * Yes. Tell the TCP dissector where the * data for this message starts in the data * it handed us, and how many more bytes we * need, and return. */ pinfo->desegment_offset = offset; pinfo->desegment_len = (plen + 4) - length_remaining; return -((gint32) pinfo->desegment_len); } } /* * Construct a tvbuff containing the amount of the payload * we have available. Make its reported length the * amount of data in the DNS-over-TCP packet. * * XXX - if reassembly isn't enabled. the subdissector * will throw a BoundsError exception, rather than a * ReportedBoundsError exception. We really want * a tvbuff where the length is "length", the reported * length is "plen + 4", and the "if the snapshot length * were infinite" length is the minimum of the * reported length of the tvbuff handed to us and "plen+4", * with a new type of exception thrown if the offset is * within the reported length but beyond that third length, * with that exception getting the "Unreassembled Packet" * error. */ length = length_remaining; if (length > plen + 4) length = plen + 4; next_tvb = tvb_new_subset(tvb, offset, length, plen + 4); /* * Dissect the LDP packet. * * If it gets an error that means there's no point in * dissecting any more PDUs, rethrow the exception in * question. * * If it gets any other error, report it and continue, as that * means that PDU got an error, but that doesn't mean we should * stop dissecting PDUs within this frame or chunk of reassembled * data. */ TRY { dissect_ldp_pdu(next_tvb, pinfo, tree); } CATCH_NONFATAL_ERRORS { show_exception(tvb, pinfo, tree, EXCEPT_CODE, GET_MESSAGE); } ENDTRY; /* * Skip the LDP header and the payload. */ offset += plen + 4; } return tvb_captured_length(tvb); } /* Register all the bits needed with the filtering engine */ void proto_register_ldp(void) { static hf_register_info hf[] = { #if 0 { &hf_ldp_req, /* Change the following to the type you need */ { "Request", "ldp.req", FT_BOOLEAN, BASE_NONE, NULL, 0x0, NULL, HFILL }}, #endif #if 0 { &hf_ldp_rsp, { "Response", "ldp.rsp", FT_BOOLEAN, BASE_NONE, NULL, 0x0, NULL, HFILL }}, #endif { &hf_ldp_version, { "Version", "ldp.hdr.version", FT_UINT16, BASE_DEC, NULL, 0x0, "LDP Version Number", HFILL }}, { &hf_ldp_pdu_len, { "PDU Length", "ldp.hdr.pdu_len", FT_UINT16, BASE_DEC, NULL, 0x0, "LDP PDU Length", HFILL }}, { &hf_ldp_lsr, { "LSR ID", "ldp.hdr.ldpid.lsr", FT_IPv4, BASE_NONE, NULL, 0x0, "LDP Label Space Router ID", HFILL }}, { &hf_ldp_ls_id, { "Label Space ID", "ldp.hdr.ldpid.lsid", FT_UINT16, BASE_DEC, NULL, 0, "LDP Label Space ID", HFILL }}, { &hf_ldp_msg_ubit, { "U bit", "ldp.msg.ubit", FT_BOOLEAN, 8, TFS(&ldp_message_ubit), 0x80, "Unknown Message Bit", HFILL }}, { &hf_ldp_msg_type, { "Message Type", "ldp.msg.type", FT_UINT16, BASE_HEX, VALS(ldp_message_types), 0x7FFF, "LDP message type", HFILL }}, { &hf_ldp_msg_len, { "Message Length", "ldp.msg.len", FT_UINT16, BASE_DEC, NULL, 0x0, "LDP Message Length (excluding message type and len)", HFILL }}, { &hf_ldp_msg_id, { "Message ID", "ldp.msg.id", FT_UINT32, BASE_HEX, NULL, 0x0, "LDP Message ID", HFILL }}, { &hf_ldp_msg_vendor_id, { "Vendor ID", "ldp.msg.vendor.id", FT_UINT32, BASE_HEX, NULL, 0x0, "LDP Vendor-private Message ID", HFILL }}, { &hf_ldp_msg_experiment_id, { "Experiment ID", "ldp.msg.experiment.id", FT_UINT32, BASE_HEX, NULL, 0x0, "LDP Experimental Message ID", HFILL }}, { &hf_ldp_tlv_unknown, { "TLV Unknown bits", "ldp.msg.tlv.unknown", FT_UINT8, BASE_HEX, VALS(tlv_unknown_vals), 0xC0, "TLV Unknown bits Field", HFILL }}, { &hf_ldp_tlv_type, { "TLV Type", "ldp.msg.tlv.type", FT_UINT16, BASE_HEX, VALS(tlv_type_names), 0x3FFF, "TLV Type Field", HFILL }}, { &hf_ldp_tlv_len, { "TLV Length", "ldp.msg.tlv.len", FT_UINT16, BASE_DEC, NULL, 0x0, "TLV Length Field", HFILL }}, { &hf_ldp_tlv_value, { "TLV Value", "ldp.msg.tlv.value", FT_BYTES, BASE_NONE, NULL, 0x0, "TLV Value Bytes", HFILL }}, { &hf_ldp_tlv_val_hold, { "Hold Time", "ldp.msg.tlv.hello.hold", FT_UINT16, BASE_DEC, NULL, 0x0, "Hello Common Parameters Hold Time", HFILL }}, { &hf_ldp_tlv_val_target, { "Targeted Hello", "ldp.msg.tlv.hello.targeted", FT_BOOLEAN, 16, TFS(&hello_targeted_vals), 0x8000, "Hello Common Parameters Targeted Bit", HFILL }}, { &hf_ldp_tlv_val_request, { "Hello Requested", "ldp.msg.tlv.hello.requested", FT_BOOLEAN, 16, TFS(&hello_requested_vals), 0x4000, "Hello Common Parameters Hello Requested Bit", HFILL }}, { &hf_ldp_tlv_val_gtsm_flag, { "GTSM Flag", "ldp.msg.tlv.hello.gtsm", FT_BOOLEAN, 16, TFS(&tfs_set_notset), 0x2000, "Hello Common Parameters GTSM bit", HFILL }}, { &hf_ldp_tlv_val_res, { "Reserved", "ldp.msg.tlv.hello.res", FT_UINT16, BASE_HEX, NULL, 0x1FFF, "Hello Common Parameters Reserved Field", HFILL }}, { &hf_ldp_tlv_ipv4_taddr, { "IPv4 Transport Address", "ldp.msg.tlv.ipv4.taddr", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_config_seqno, { "Configuration Sequence Number", "ldp.msg.tlv.hello.cnf_seqno", FT_UINT32, BASE_DEC, NULL, 0x0, "Hello Configuration Sequence Number", HFILL }}, { &hf_ldp_tlv_ipv6_taddr, { "IPv6 Transport Address", "ldp.msg.tlv.ipv6.taddr", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_fec_wc, { "FEC Element Type", "ldp.msg.tlv.fec.type", FT_UINT8, BASE_DEC, VALS(fec_types_vals), 0x0, "Forwarding Equivalence Class Element Types", HFILL }}, { &hf_ldp_tlv_fec_af, { "FEC Element Address Type", "ldp.msg.tlv.fec.af", FT_UINT16, BASE_DEC, VALS(afn_vals), 0x0, "Forwarding Equivalence Class Element Address Family", HFILL }}, { &hf_ldp_tlv_fec_len, { "FEC Element Length", "ldp.msg.tlv.fec.len", FT_UINT8, BASE_DEC, NULL, 0x0, "Forwarding Equivalence Class Element Length", HFILL }}, { &hf_ldp_tlv_fec_pfval, { "FEC Element Prefix Value", "ldp.msg.tlv.fec.pfval", FT_STRING, BASE_NONE, NULL, 0x0, "Forwarding Equivalence Class Element Prefix", HFILL }}, { &hf_ldp_tlv_fec_hoval, { "FEC Element Host Address Value", "ldp.msg.tlv.fec.hoval", FT_STRING, BASE_NONE, NULL, 0x0, "Forwarding Equivalence Class Element Address", HFILL }}, { &hf_ldp_tlv_addrl_addr_family, { "Address Family", "ldp.msg.tlv.addrl.addr_family", FT_UINT16, BASE_DEC, VALS(afn_vals), 0x0, "Address Family List", HFILL }}, { &hf_ldp_tlv_addrl_addr, { "Address", "ldp.msg.tlv.addrl.addr", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_hc_value, { "Hop Count Value", "ldp.msg.tlv.hc.value", FT_UINT8, BASE_DEC, NULL, 0x0, "Hop Count", HFILL }}, { &hf_ldp_tlv_pv_lsrid, { "LSR Id", "ldp.msg.tlv.pv.lsrid", FT_IPv4, BASE_NONE, NULL, 0x0, "Path Vector LSR Id", HFILL }}, { &hf_ldp_tlv_sess_ver, { "Session Protocol Version", "ldp.msg.tlv.sess.ver", FT_UINT16, BASE_DEC, NULL, 0x0, "Common Session Parameters Protocol Version", HFILL }}, { &hf_ldp_tlv_sess_ka, { "Session KeepAlive Time", "ldp.msg.tlv.sess.ka", FT_UINT16, BASE_DEC, NULL, 0x0, "Common Session Parameters KeepAlive Time", HFILL }}, { &hf_ldp_tlv_sess_advbit, { "Session Label Advertisement Discipline", "ldp.msg.tlv.sess.advbit", FT_BOOLEAN, 8, TFS(&tlv_sess_advbit_vals), 0x80, "Common Session Parameters Label Advertisement Discipline", HFILL }}, { &hf_ldp_tlv_sess_ldetbit, { "Session Loop Detection", "ldp.msg.tlv.sess.ldetbit", FT_BOOLEAN, 8, TFS(&tlv_sess_ldetbit_vals), 0x40, "Common Session Parameters Loop Detection", HFILL }}, { &hf_ldp_tlv_sess_pvlim, { "Session Path Vector Limit", "ldp.msg.tlv.sess.pvlim", FT_UINT8, BASE_DEC, NULL, 0x0, "Common Session Parameters Path Vector Limit", HFILL }}, { &hf_ldp_tlv_sess_mxpdu, { "Session Max PDU Length", "ldp.msg.tlv.sess.mxpdu", FT_UINT16, BASE_DEC, NULL, 0x0, "Common Session Parameters Max PDU Length", HFILL }}, { &hf_ldp_tlv_sess_rxlsr, { "Session Receiver LSR Identifier", "ldp.msg.tlv.sess.rxlsr", FT_IPv4, BASE_NONE, NULL, 0x0, "Common Session Parameters LSR Identifier", HFILL }}, { &hf_ldp_tlv_sess_rxls, { "Session Receiver Label Space Identifier", "ldp.msg.tlv.sess.rxls", FT_UINT16, BASE_DEC, NULL, 0x0, "Common Session Parameters Receiver Label Space Identifier", HFILL }}, { &hf_ldp_tlv_sess_atm_merge, { "Session ATM Merge Parameter", "ldp.msg.tlv.sess.atm.merge", FT_UINT8, BASE_DEC, VALS(tlv_atm_merge_vals), 0xC0, "Merge ATM Session Parameters", HFILL }}, { &hf_ldp_tlv_sess_atm_lr, { "Number of ATM Label Ranges", "ldp.msg.tlv.sess.atm.lr", FT_UINT8, BASE_DEC, NULL, 0x3C, "Number of Label Ranges", HFILL }}, { &hf_ldp_tlv_sess_atm_dir, { "Directionality", "ldp.msg.tlv.sess.atm.dir", FT_BOOLEAN, 8, TFS(&tlv_atm_dirbit), 0x02, "Label Directionality", HFILL }}, { &hf_ldp_tlv_sess_atm_minvpi, { "Minimum VPI", "ldp.msg.tlv.sess.atm.minvpi", FT_UINT16, BASE_DEC, NULL, 0x0FFF, NULL, HFILL }}, { &hf_ldp_tlv_sess_atm_minvci, { "Minimum VCI", "ldp.msg.tlv.sess.atm.minvci", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_sess_atm_maxvpi, { "Maximum VPI", "ldp.msg.tlv.sess.atm.maxvpi", FT_UINT16, BASE_DEC, NULL, 0x0FFF, NULL, HFILL }}, { &hf_ldp_tlv_sess_atm_maxvci, { "Maximum VCI", "ldp.msg.tlv.sess.atm.maxvci", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_sess_fr_merge, { "Session Frame Relay Merge Parameter", "ldp.msg.tlv.sess.fr.merge", FT_UINT8, BASE_DEC, VALS(tlv_fr_merge_vals), 0xC0, "Merge Frame Relay Session Parameters", HFILL }}, { &hf_ldp_tlv_sess_fr_lr, { "Number of Frame Relay Label Ranges", "ldp.msg.tlv.sess.fr.lr", FT_UINT8, BASE_DEC, NULL, 0x3C, "Number of Label Ranges", HFILL }}, { &hf_ldp_tlv_sess_fr_dir, { "Directionality", "ldp.msg.tlv.sess.fr.dir", FT_BOOLEAN, 8, TFS(&tlv_atm_dirbit), 0x02, "Label Directionality", HFILL }}, { &hf_ldp_tlv_sess_fr_len, { "Number of DLCI bits", "ldp.msg.tlv.sess.fr.len", FT_UINT16, BASE_DEC, VALS(tlv_fr_len_vals), 0x0180, "DLCI Number of bits", HFILL }}, { &hf_ldp_tlv_sess_fr_mindlci, { "Minimum DLCI", "ldp.msg.tlv.sess.fr.mindlci", FT_UINT24, BASE_DEC, NULL, 0x7FFFFF, NULL, HFILL }}, { &hf_ldp_tlv_sess_fr_maxdlci, { "Maximum DLCI", "ldp.msg.tlv.sess.fr.maxdlci", FT_UINT24, BASE_DEC, NULL, 0x7FFFFF, NULL, HFILL }}, { &hf_ldp_tlv_ft_sess_flags, { "Flags", "ldp.msg.tlv.ft_sess.flags", FT_UINT16, BASE_HEX, NULL, 0x0, "FT Session Flags", HFILL }}, { &hf_ldp_tlv_ft_sess_flag_r, { "R bit", "ldp.msg.tlv.ft_sess.flag_r", FT_BOOLEAN, 16, TFS(&tlv_ft_r), 0x8000, "FT Reconnect Flag", HFILL }}, { &hf_ldp_tlv_ft_sess_flag_res, { "Reserved", "ldp.msg.tlv.ft_sess.flag_res", FT_UINT16, BASE_HEX, NULL, 0x7FF0, "Reserved bits", HFILL }}, { &hf_ldp_tlv_ft_sess_flag_s, { "S bit", "ldp.msg.tlv.ft_sess.flag_s", FT_BOOLEAN, 16, TFS(&tlv_ft_s), 0x8, "Save State Flag", HFILL }}, { &hf_ldp_tlv_ft_sess_flag_a, { "A bit", "ldp.msg.tlv.ft_sess.flag_a", FT_BOOLEAN, 16, TFS(&tlv_ft_a), 0x4, "All-Label protection Required", HFILL }}, { &hf_ldp_tlv_ft_sess_flag_c, { "C bit", "ldp.msg.tlv.ft_sess.flag_c", FT_BOOLEAN, 16, TFS(&tlv_ft_c), 0x2, "Check-Pointint Flag", HFILL }}, { &hf_ldp_tlv_ft_sess_flag_l, { "L bit", "ldp.msg.tlv.ft_sess.flag_l", FT_BOOLEAN, 16, TFS(&tlv_ft_l), 0x1, "Learn From network Flag", HFILL }}, { &hf_ldp_tlv_ft_sess_res, { "Reserved", "ldp.msg.tlv.ft_sess.res", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_ft_sess_reconn_to, { "Reconnect Timeout", "ldp.msg.tlv.ft_sess.reconn_to", FT_UINT32, BASE_DEC, NULL, 0x0, "FT Reconnect Timeout", HFILL }}, { &hf_ldp_tlv_ft_sess_recovery_time, { "Recovery Time", "ldp.msg.tlv.ft_sess.recovery_time", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_ft_ack_sequence_num, { "FT ACK Sequence Number", "ldp.msg.tlv.ft_ack.sequence_num", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_lbl_req_msg_id, { "Label Request Message ID", "ldp.msg.tlv.lbl_req_msg_id", FT_UINT32, BASE_HEX, NULL, 0x0, "Label Request Message to be aborted", HFILL }}, { &hf_ldp_tlv_vendor_id, { "Vendor ID", "ldp.msg.tlv.vendor_id", FT_UINT32, BASE_HEX, NULL, 0, "IEEE 802 Assigned Vendor ID", HFILL }}, { &hf_ldp_tlv_experiment_id, { "Experiment ID", "ldp.msg.tlv.experiment_id", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_ldp_tlv_generic_label, { "Generic Label", "ldp.msg.tlv.generic.label", FT_UINT32, BASE_HEX, NULL, 0x000FFFFF, NULL, HFILL }}, { &hf_ldp_tlv_atm_label_vbits, { "V-bits", "ldp.msg.tlv.atm.label.vbits", FT_UINT8, BASE_HEX, VALS(tlv_atm_vbits_vals), 0x30, "ATM Label V Bits", HFILL }}, { &hf_ldp_tlv_atm_label_vpi, { "VPI", "ldp.msg.tlv.atm.label.vpi", FT_UINT16, BASE_DEC, NULL, 0x0FFF, "ATM Label VPI", HFILL }}, { &hf_ldp_tlv_atm_label_vci, { "VCI", "ldp.msg.tlv.atm.label.vci", FT_UINT16, BASE_DEC, NULL, 0, "ATM Label VCI", HFILL }}, { &hf_ldp_tlv_fr_label_len, { "Number of DLCI bits", "ldp.msg.tlv.fr.label.len", FT_UINT16, BASE_DEC, VALS(tlv_fr_len_vals), 0x0180, "DLCI Number of bits", HFILL }}, { &hf_ldp_tlv_fr_label_dlci, { "DLCI", "ldp.msg.tlv.fr.label.dlci", FT_UINT24, BASE_DEC, NULL, 0x7FFFFF, "FRAME RELAY Label DLCI", HFILL }}, { &hf_ldp_tlv_ft_protect_sequence_num, { "FT Sequence Number", "ldp.msg.tlv.ft_protect.sequence_num", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_status_ebit, { "E Bit", "ldp.msg.tlv.status.ebit", FT_BOOLEAN, 8, TFS(&tlv_status_ebit), 0x80, "Fatal Error Bit", HFILL }}, { &hf_ldp_tlv_status_fbit, { "F Bit", "ldp.msg.tlv.status.fbit", FT_BOOLEAN, 8, TFS(&tlv_status_fbit), 0x40, "Forward Bit", HFILL }}, { &hf_ldp_tlv_status_data, { "Status Data", "ldp.msg.tlv.status.data", FT_UINT32, BASE_HEX, VALS(tlv_status_data), 0x3FFFFFFF, NULL, HFILL }}, { &hf_ldp_tlv_status_msg_id, { "Message ID", "ldp.msg.tlv.status.msg.id", FT_UINT32, BASE_HEX, NULL, 0x0, "Identifies peer message to which Status TLV refers", HFILL }}, { &hf_ldp_tlv_status_msg_type, { "Message Type", "ldp.msg.tlv.status.msg.type", FT_UINT16, BASE_HEX, VALS(ldp_message_types), 0x0, "Type of peer message to which Status TLV refers", HFILL }}, { &hf_ldp_tlv_extstatus_data, { "Extended Status Data", "ldp.msg.tlv.extstatus.data", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_returned_version, { "Returned PDU Version", "ldp.msg.tlv.returned.version", FT_UINT16, BASE_DEC, NULL, 0x0, "LDP Version Number", HFILL }}, { &hf_ldp_tlv_returned_pdu_len, { "Returned PDU Length", "ldp.msg.tlv.returned.pdu_len", FT_UINT16, BASE_DEC, NULL, 0x0, "LDP PDU Length", HFILL }}, { &hf_ldp_tlv_returned_lsr, { "Returned PDU LSR ID", "ldp.msg.tlv.returned.ldpid.lsr", FT_IPv4, BASE_NONE, NULL, 0x0, "LDP Label Space Router ID", HFILL }}, { &hf_ldp_tlv_returned_ls_id, { "Returned PDU Label Space ID", "ldp.msg.tlv.returned.ldpid.lsid", FT_UINT16, BASE_HEX, NULL, 0x0, "LDP Label Space ID", HFILL }}, { &hf_ldp_tlv_returned_msg_ubit, { "Returned Message Unknown bit", "ldp.msg.tlv.returned.msg.ubit", FT_BOOLEAN, 8, TFS(&ldp_message_ubit), 0x80, "Message Unknown bit", HFILL }}, { &hf_ldp_tlv_returned_msg_type, { "Returned Message Type", "ldp.msg.tlv.returned.msg.type", FT_UINT16, BASE_HEX, VALS(ldp_message_types), 0x7FFF, "LDP message type", HFILL }}, { &hf_ldp_tlv_returned_msg_len, { "Returned Message Length", "ldp.msg.tlv.returned.msg.len", FT_UINT16, BASE_DEC, NULL, 0x0, "LDP Message Length (excluding message type and len)", HFILL }}, { &hf_ldp_tlv_returned_msg_id, { "Returned Message ID", "ldp.msg.tlv.returned.msg.id", FT_UINT32, BASE_HEX, NULL, 0x0, "LDP Message ID", HFILL }}, { &hf_ldp_tlv_mac, { "MAC address", "ldp.msg.tlv.mac", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL}}, { &hf_ldp_tlv_fec_vc_controlword, { "C-bit", "ldp.msg.tlv.fec.vc.controlword", FT_BOOLEAN, 8, TFS(&fec_vc_cbit), 0x80, "Control Word Present", HFILL }}, { &hf_ldp_tlv_fec_vc_vctype, { "VC Type", "ldp.msg.tlv.fec.vc.vctype", FT_UINT16, BASE_HEX, VALS(fec_vc_types_vals), 0x7FFF, "Virtual Circuit Type", HFILL }}, { &hf_ldp_tlv_fec_vc_infolength, { "VC Info Length", "ldp.msg.tlv.fec.vc.infolength", FT_UINT8, BASE_DEC, NULL, 0x0, "VC FEC Info Length", HFILL }}, { &hf_ldp_tlv_fec_vc_groupid, { "Group ID", "ldp.msg.tlv.fec.vc.groupid", FT_UINT32, BASE_DEC, NULL, 0x0, "VC FEC Group ID", HFILL }}, { &hf_ldp_tlv_fec_vc_vcid, { "VC ID", "ldp.msg.tlv.fec.vc.vcid", FT_UINT32, BASE_DEC, NULL, 0x0, "VC FEC VCID", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_length, { "Length", "ldp.msg.tlv.fec.vc.intparam.length", FT_UINT8, BASE_DEC, NULL, 0x0, "VC FEC Interface Parameter Length", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_mtu, { "MTU", "ldp.msg.tlv.fec.vc.intparam.mtu", FT_UINT16, BASE_DEC, NULL, 0x0, "VC FEC Interface Parameter MTU", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_tdmbps, { "BPS", "ldp.msg.tlv.fec.vc.intparam.tdmbps", FT_UINT32, BASE_DEC, NULL, 0x0, "VC FEC Interface Parameter CEP/TDM bit-rate", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_id, { "ID", "ldp.msg.tlv.fec.vc.intparam.id", FT_UINT8, BASE_HEX, VALS(fec_vc_interfaceparm), 0x0, "VC FEC Interface Parameter ID", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_maxcatmcells, { "Number of Cells", "ldp.msg.tlv.fec.vc.intparam.maxatm", FT_UINT16, BASE_DEC, NULL, 0x0, "VC FEC Interface Param Max ATM Concat Cells", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_desc, { "Description", "ldp.msg.tlv.fec.vc.intparam.desc", FT_STRING, BASE_NONE, NULL, 0, "VC FEC Interface Description", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_cepbytes, { "Payload Bytes", "ldp.msg.tlv.fec.vc.intparam.cepbytes", FT_UINT16, BASE_DEC, NULL, 0x0, "VC FEC Interface Param CEP/TDM Payload Bytes", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_cepopt_ais, { "AIS", "ldp.msg.tlv.fec.vc.intparam.cepopt_ais", FT_BOOLEAN, 16, NULL, 0x8000, "VC FEC Interface Param CEP Option AIS", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_cepopt_une, { "UNE", "ldp.msg.tlv.fec.vc.intparam.cepopt_une", FT_BOOLEAN, 16, NULL, 0x4000, "VC FEC Interface Param CEP Option Unequipped", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_cepopt_rtp, { "RTP", "ldp.msg.tlv.fec.vc.intparam.cepopt_rtp", FT_BOOLEAN, 16, NULL, 0x2000, "VC FEC Interface Param CEP Option RTP Header", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_cepopt_ebm, { "EBM", "ldp.msg.tlv.fec.vc.intparam.cepopt_ebm", FT_BOOLEAN, 16, NULL, 0x1000, "VC FEC Interface Param CEP Option EBM Header", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_cepopt_mah, { "MAH", "ldp.msg.tlv.fec.vc.intparam.cepopt_mah", FT_BOOLEAN, 16, NULL, 0x0800, "VC FEC Interface Param CEP Option MPLS Adaptation header", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_cepopt_res, { "Reserved", "ldp.msg.tlv.fec.vc.intparam.cepopt_res", FT_UINT16, BASE_HEX, NULL , 0x07E0, "VC FEC Interface Param CEP Option Reserved", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_cepopt_ceptype, { "CEP Type", "ldp.msg.tlv.fec.vc.intparam.cepopt_ceptype", FT_UINT16, BASE_HEX, VALS(fec_vc_ceptype_vals), 0x001C, "VC FEC Interface Param CEP Option CEP Type", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_cepopt_t3, { "Async T3", "ldp.msg.tlv.fec.vc.intparam.cepopt_t3", FT_BOOLEAN, 16, NULL, 0x0002, "VC FEC Interface Param CEP Option Async T3", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_cepopt_e3, { "Async E3", "ldp.msg.tlv.fec.vc.intparam.cepopt_e3", FT_BOOLEAN, 16, NULL, 0x0001, "VC FEC Interface Param CEP Option Async E3", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_vlanid, { "VLAN Id", "ldp.msg.tlv.fec.vc.intparam.vlanid", FT_UINT16, BASE_DEC, NULL, 0x0, "VC FEC Interface Param VLAN Id", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_dlcilen, { "DLCI Length", "ldp.msg.tlv.fec.vc.intparam.dlcilen", FT_UINT16, BASE_DEC, NULL, 0x0, "VC FEC Interface Parameter Frame-Relay DLCI Length", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_fcslen, { "FCS Length", "ldp.msg.tlv.fec.vc.intparam.fcslen", FT_UINT16, BASE_DEC, NULL, 0x0, "VC FEC Interface Parameter FCS Length", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_tdmopt_r, { "R Bit", "ldp.msg.tlv.fec.vc.intparam.tdmopt_r", FT_BOOLEAN, 16, TFS(&fec_vc_tdmopt_r), 0x8000, "VC FEC Interface Param TDM Options RTP Header", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_tdmopt_d, { "D Bit", "ldp.msg.tlv.fec.vc.intparam.tdmopt_d", FT_BOOLEAN, 16, TFS(&fec_vc_tdmopt_d), 0x4000, "VC FEC Interface Param TDM Options Dynamic Timestamp", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_tdmopt_f, { "F Bit", "ldp.msg.tlv.fec.vc.intparam.tdmopt_f", FT_BOOLEAN, 16, TFS(&fec_vc_tdmopt_f), 0x2000, "VC FEC Interface Param TDM Options Flavor bit", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_tdmopt_res1, { "RSVD-1", "ldp.msg.tlv.fec.vc.intparam.tdmopt_res1", FT_UINT16, BASE_HEX, NULL, 0x1FFF, "VC FEC Interface Param TDM Options Reserved", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_tdmopt_pt, { "PT", "ldp.msg.tlv.fec.vc.intparam.tdmopt_pt", FT_UINT8, BASE_DEC, NULL, 0x7F, "VC FEC Interface Param TDM Options Payload Type", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_tdmopt_res2, { "RSVD-2", "ldp.msg.tlv.fec.vc.intparam.tdmopt_res2", FT_UINT8, BASE_HEX, NULL, 0x00, "VC FEC Interface Param TDM Options Reserved", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_tdmopt_freq, { "FREQ", "ldp.msg.tlv.fec.vc.intparam.tdmopt_freq", FT_UINT16, BASE_DEC, NULL, 0x00, "VC FEC Interface Param TDM Options Frequency", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_tdmopt_ssrc, { "SSRC", "ldp.msg.tlv.fec.vc.intparam.tdmopt_ssrc", FT_UINT32, BASE_HEX, NULL, 0x00, "VC FEC Interface Param TDM Options SSRC", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_vccv_cctype_cw, { "PWE3 Control Word", "ldp.msg.tlv.fec.vc.intparam.vccv.cctype_cw", FT_BOOLEAN, 8, NULL, 0x01, "VC FEC Interface Param VCCV CC Type PWE3 CW", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_vccv_cctype_mplsra, { "MPLS Router Alert", "ldp.msg.tlv.fec.vc.intparam.vccv.cctype_mplsra", FT_BOOLEAN, 8, NULL, 0x02, "VC FEC Interface Param VCCV CC Type MPLS Router Alert", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_vccv_cctype_ttl1, { "MPLS Inner Label TTL = 1", "ldp.msg.tlv.fec.vc.intparam.vccv.cctype_ttl1", FT_BOOLEAN, 8, NULL, 0x04, "VC FEC Interface Param VCCV CC Type Inner Label TTL 1", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_icmpping, { "ICMP Ping", "ldp.msg.tlv.fec.vc.intparam.vccv.cvtype_icmpping", FT_BOOLEAN, 8, NULL, 0x01, "VC FEC Interface Param VCCV CV Type ICMP Ping", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_lspping, { "LSP Ping", "ldp.msg.tlv.fec.vc.intparam.vccv.cvtype_lspping", FT_BOOLEAN, 8, NULL, 0x02, "VC FEC Interface Param VCCV CV Type LSP Ping", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd1, { "BFD IP/UDP-encapsulated, for PW Fault Detection only", "ldp.msg.tlv.fec.vc.intparam.vccv.cvtype_bfd1", FT_BOOLEAN, 8, NULL, 0x04, "VC FEC Interface Param VCCV CV Type BFD IP/UDP-encapsulated, for PW Fault Detection only", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd2, { "BFD IP/UDP-encapsulated, for PW Fault Detection and AC/PW Fault Status Signaling", "ldp.msg.tlv.fec.vc.intparam.vccv.cvtype_bfd2", FT_BOOLEAN, 8, NULL, 0x08, "VC FEC Interface Param VCCV CV Type BFD IP/UDP-encapsulated, for PW Fault Detection and AC/PW Fault Status Signaling", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd3, { "BFD BFD PW-ACH-encapsulated, for PW Fault Detection only", "ldp.msg.tlv.fec.vc.intparam.vccv.cvtype_bfd3", FT_BOOLEAN, 8, NULL, 0x10, "VC FEC Interface Param VCCV CV Type BFD PW-ACH-encapsulated, for PW Fault Detection only", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd4, { "BFD BFD PW-ACH-encapsulated, for PW Fault Detection and AC/PW Fault Status Signaling", "ldp.msg.tlv.fec.vc.intparam.vccv.cvtype_bfd4", FT_BOOLEAN, 8, NULL, 0x20, "VC FEC Interface Param VCCV CV Type BFD PW-ACH-encapsulated, for PW Fault Detection and AC/PW Fault Status Signaling", HFILL }}, { &hf_ldp_tlv_fec_vc_intparam_flowlabel_t, { "Flow Label Transmit bit", "ldp.msg.tlv.fec.vc.intparam.flowlabel.t", FT_UINT8, BASE_DEC, NULL, 0x80, NULL, HFILL}}, { &hf_ldp_tlv_fec_vc_intparam_flowlabel_r, { "Flow Label Receive bit", "ldp.msg.tlv.fec.vc.intparam.flowlabel.r", FT_UINT8, BASE_DEC, NULL, 0x40, NULL, HFILL}}, { &hf_ldp_tlv_fec_vc_intparam_flowlabel_res, { "Flow Label Reserved", "ldp.msg.tlv.fec.vc.intparam.flowlabel.res", FT_UINT16, BASE_HEX, NULL, 0x3FFF, NULL, HFILL}}, { &hf_ldp_tlv_lspid_act_flg, { "Action Indicator Flag", "ldp.msg.tlv.lspid.actflg", FT_UINT16, BASE_HEX, VALS(ldp_act_flg_vals), 0x000F, NULL, HFILL}}, { &hf_ldp_tlv_lspid_cr_lsp, { "Local CR-LSP ID", "ldp.msg.tlv.lspid.locallspid", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL}}, { &hf_ldp_tlv_lspid_ldpid, { "Ingress LSR Router ID", "ldp.msg.tlv.lspid.lsrid", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL}}, { &hf_ldp_tlv_er_hop_loose, { "Loose route bit", "ldp.msg.tlv.er_hop.loose", FT_UINT24, BASE_HEX, VALS(ldp_loose_vals), 0x800000, NULL, HFILL}}, { &hf_ldp_tlv_er_hop_prelen, { "Prefix length", "ldp.msg.tlv.er_hop.prefixlen", FT_UINT8, BASE_DEC, NULL, 0x0, "Prefix len", HFILL}}, { &hf_ldp_tlv_er_hop_prefix4, { "IPv4 Address", "ldp.msg.tlv.er_hop.prefix4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL}}, { &hf_ldp_tlv_er_hop_prefix6, { "IPv6 Address", "ldp.msg.tlv.er_hop.prefix6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}}, { &hf_ldp_tlv_er_hop_as, { "AS Number", "ldp.msg.tlv.er_hop.as", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}}, { &hf_ldp_tlv_er_hop_cr_lsp, { "Local CR-LSP ID", "ldp.msg.tlv.er_hop.locallspid", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}}, { &hf_ldp_tlv_er_hop_ldpid, { "Local CR-LSP ID", "ldp.msg.tlv.er_hop.lsrid", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL}}, { &hf_ldp_tlv_flags_reserv, { "Reserved", "ldp.msg.tlv.flags_reserv", FT_UINT8, BASE_HEX, NULL, 0xC0, NULL, HFILL}}, { &hf_ldp_tlv_flags_pdr, { "PDR", "ldp.msg.tlv.flags_pdr", FT_BOOLEAN, 8, TFS(&tlv_negotiable), 0x1, "PDR negotiability flag", HFILL}}, { &hf_ldp_tlv_flags_pbs, { "PBS", "ldp.msg.tlv.flags_pbs", FT_BOOLEAN, 8, TFS(&tlv_negotiable), 0x2, "PBS negotiability flag", HFILL}}, { &hf_ldp_tlv_flags_cdr, { "CDR", "ldp.msg.tlv.flags_cdr", FT_BOOLEAN, 8, TFS(&tlv_negotiable), 0x4, "CDR negotiability flag", HFILL}}, { &hf_ldp_tlv_flags_cbs, { "CBS", "ldp.msg.tlv.flags_cbs", FT_BOOLEAN, 8, TFS(&tlv_negotiable), 0x8, "CBS negotiability flag", HFILL}}, { &hf_ldp_tlv_flags_ebs, { "EBS", "ldp.msg.tlv.flags_ebs", FT_BOOLEAN, 8, TFS(&tlv_negotiable), 0x10, "EBS negotiability flag", HFILL}}, { &hf_ldp_tlv_flags_weight, { "Weight", "ldp.msg.tlv.flags_weight", FT_BOOLEAN, 8, TFS(&tlv_negotiable), 0x20, "Weight negotiability flag", HFILL}}, { &hf_ldp_tlv_frequency, { "Frequency", "ldp.msg.tlv.frequency", FT_UINT8, BASE_DEC, VALS(freq_values), 0, NULL, HFILL}}, { &hf_ldp_tlv_weight, { "Weight", "ldp.msg.tlv.weight", FT_UINT8, BASE_DEC, NULL, 0, "Weight of the CR-LSP", HFILL}}, { &hf_ldp_tlv_pdr, { "PDR", "ldp.msg.tlv.pdr", FT_DOUBLE, BASE_NONE, NULL, 0, "Peak Data Rate", HFILL}}, { &hf_ldp_tlv_pbs, { "PBS", "ldp.msg.tlv.pbs", FT_DOUBLE, BASE_NONE, NULL, 0, "Peak Burst Size", HFILL}}, { &hf_ldp_tlv_cdr, { "CDR", "ldp.msg.tlv.cdr", FT_DOUBLE, BASE_NONE, NULL, 0, "Committed Data Rate", HFILL}}, { &hf_ldp_tlv_cbs, { "CBS", "ldp.msg.tlv.cbs", FT_DOUBLE, BASE_NONE, NULL, 0, "Committed Burst Size", HFILL}}, { &hf_ldp_tlv_ebs, { "EBS", "ldp.msg.tlv.ebs", FT_DOUBLE, BASE_NONE, NULL, 0, "Excess Burst Size", HFILL}}, { &hf_ldp_tlv_set_prio, { "Set Prio", "ldp.msg.tlv.set_prio", FT_UINT8, BASE_DEC, NULL, 0, "LSP setup priority", HFILL}}, { &hf_ldp_tlv_hold_prio, { "Hold Prio", "ldp.msg.tlv.hold_prio", FT_UINT8, BASE_DEC, NULL, 0, "LSP hold priority", HFILL}}, { &hf_ldp_tlv_route_pinning, { "Route Pinning", "ldp.msg.tlv.route_pinning", FT_UINT32, BASE_DEC, VALS(route_pinning_vals), 0x80000000, NULL, HFILL}}, { &hf_ldp_tlv_resource_class, { "Resource Class", "ldp.msg.tlv.resource_class", FT_UINT32, BASE_HEX, NULL, 0, "Resource Class (Color)", HFILL}}, #if 0 { &hf_ldp_tlv_diffserv, { "Diff-Serv TLV", "ldp.msg.tlv.diffserv", FT_NONE, BASE_NONE, NULL, 0, "Diffserv TLV", HFILL}}, #endif { &hf_ldp_tlv_diffserv_type, { "LSP Type", "ldp.msg.tlv.diffserv.type", FT_UINT8, BASE_DEC, VALS(diffserv_type_vals), 0x80, NULL, HFILL}}, { &hf_ldp_tlv_diffserv_mapnb, { "MAPnb", "ldp.msg.tlv.diffserv.mapnb", FT_UINT8, BASE_DEC, NULL, 0, MAPNB_DESCRIPTION, HFILL}}, { &hf_ldp_tlv_diffserv_map, { "MAP", "ldp.msg.tlv.diffserv.map", FT_NONE, BASE_NONE, NULL, 0, MAP_DESCRIPTION, HFILL}}, { &hf_ldp_tlv_diffserv_map_exp, { "EXP", "ldp.msg.tlv.diffserv.map.exp", FT_UINT8, BASE_DEC, NULL, 0, EXP_DESCRIPTION, HFILL}}, { &hf_ldp_tlv_diffserv_phbid, { PHBID_DESCRIPTION, "ldp.msg.tlv.diffserv.phbid", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL}}, { &hf_ldp_tlv_diffserv_phbid_dscp, { PHBID_DSCP_DESCRIPTION, "ldp.msg.tlv.diffserv.phbid.dscp", FT_UINT16, BASE_DEC, NULL, PHBID_DSCP_MASK, NULL, HFILL}}, { &hf_ldp_tlv_diffserv_phbid_code, { PHBID_CODE_DESCRIPTION, "ldp.msg.tlv.diffserv.phbid.code", FT_UINT16, BASE_DEC, NULL, PHBID_CODE_MASK, NULL, HFILL}}, { &hf_ldp_tlv_diffserv_phbid_bit14, { PHBID_BIT14_DESCRIPTION, "ldp.msg.tlv.diffserv.phbid.bit14", FT_UINT16, BASE_DEC, VALS(phbid_bit14_vals), PHBID_BIT14_MASK, NULL, HFILL}}, { &hf_ldp_tlv_diffserv_phbid_bit15, { PHBID_BIT15_DESCRIPTION, "ldp.msg.tlv.diffserv.phbid.bit15", FT_UINT16, BASE_DEC, VALS(phbid_bit15_vals), PHBID_BIT15_MASK, NULL, HFILL}}, { &hf_ldp_tlv_fec_gen_agi_type, { "AGI Type", "ldp.msg.tlv.fec.gen.agi.type", FT_UINT8, BASE_DEC, NULL, 0x0, "Attachment Group Identifier Type", HFILL}}, { &hf_ldp_tlv_fec_gen_agi_length, { "AGI Length", "ldp.msg.tlv.fec.gen.agi.length", FT_UINT8, BASE_DEC, NULL, 0x0, "Attachment Group Identifier Length", HFILL}}, { &hf_ldp_tlv_fec_gen_agi_value, { "AGI Value", "ldp.msg.tlv.fec.gen.agi.value", FT_BYTES, BASE_NONE, NULL, 0x0, "Attachment Group Identifier Value", HFILL}}, { &hf_ldp_tlv_fec_gen_saii_type, { "SAII Type", "ldp.msg.tlv.fec.gen.saii.type", FT_UINT8, BASE_DEC, NULL, 0x0, "Source Attachment Individual Identifier Type", HFILL}}, { &hf_ldp_tlv_fec_gen_saii_length, { "SAII Length", "ldp.msg.tlv.fec.gen.saii.length", FT_UINT8, BASE_DEC, NULL, 0x0, "Source Attachment Individual Identifier Length", HFILL}}, { &hf_ldp_tlv_fec_gen_saii_value, { "SAII Value", "ldp.msg.tlv.fec.gen.saii.value", FT_BYTES, BASE_NONE, NULL, 0x0, "Source Attachment Individual Identifier Value", HFILL}}, { &hf_ldp_tlv_fec_gen_taii_type, { "TAII Type", "ldp.msg.tlv.fec.gen.taii.type", FT_UINT8, BASE_DEC, NULL, 0x0, "Target Attachment Individual Identifier Type", HFILL}}, { &hf_ldp_tlv_fec_gen_taii_length, { "TAII length", "ldp.msg.tlv.fec.gen.taii.length", FT_UINT8, BASE_DEC, NULL, 0x0, "Target Attachment Individual Identifier Length", HFILL}}, { &hf_ldp_tlv_fec_gen_taii_value, { "TAII Value", "ldp.msg.tlv.fec.gen.taii.value", FT_BYTES, BASE_NONE, NULL, 0x0, "Target Attachment Individual Identifier Value", HFILL}}, { &hf_ldp_tlv_fec_gen_aai_globalid, { "Global Id", "ldp.msg.tlv.fec.gen.aii.globalid", FT_UINT32, BASE_DEC, NULL, 0x0, "Attachment Individual Identifier Global Id", HFILL}}, { &hf_ldp_tlv_fec_gen_aai_prefix, { "Prefix", "ldp.msg.tlv.fec.gen.aii.prefix", FT_UINT32, BASE_DEC, NULL, 0x0, "Attachment Individual Identifier Prefix", HFILL}}, { &hf_ldp_tlv_fec_gen_aai_ac_id, { "Prefix", "ldp.msg.tlv.fec.gen.aii.acid", FT_UINT32, BASE_DEC, NULL, 0x0, "Attachment Individual Identifier AC Id", HFILL}}, { &hf_ldp_tlv_pw_status_data, { "PW Status", "ldp.msg.tlv.pwstatus.code", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_ldp_tlv_pw_not_forwarding, { "Pseudowire Not Forwarding", "ldp.msg.tlv.pwstatus.code.pwnotforward", FT_BOOLEAN, 32, TFS(&tfs_set_notset), PW_NOT_FORWARDING, NULL, HFILL }}, { &hf_ldp_tlv_pw_lac_ingress_recv_fault, { "Local Attachment Circuit (ingress) Receive Fault", "ldp.msg.tlv.pwstatus.code.pwlacingressrecvfault", FT_BOOLEAN, 32, TFS(&tfs_set_notset), PW_LAC_INGRESS_RECV_FAULT, NULL, HFILL }}, { &hf_ldp_tlv_pw_lac_egress_recv_fault, { "Local Attachment Circuit (egress) Transmit Fault", "ldp.msg.tlv.pwstatus.code.pwlacegresstransfault", FT_BOOLEAN, 32, TFS(&tfs_set_notset), PW_LAC_EGRESS_TRANS_FAULT, NULL, HFILL }}, { &hf_ldp_tlv_pw_psn_pw_ingress_recv_fault, { "Local PSN-facing PW (ingress) Receive Fault", "ldp.msg.tlv.pwstatus.code.pwpsnpwingressrecvfault", FT_BOOLEAN, 32, TFS(&tfs_set_notset), PW_PSN_PW_INGRESS_RECV_FAULT, NULL, HFILL }}, { &hf_ldp_tlv_pw_psn_pw_egress_recv_fault, { "Local PSN-facing PW (egress) Transmit Fault", "ldp.msg.tlv.pwstatus.code.pwpsnpwegresstransfault", FT_BOOLEAN, 32, TFS(&tfs_set_notset), PW_PSN_PW_EGRESS_TRANS_FAULT, NULL, HFILL }}, { &hf_ldp_tlv_pw_grouping_value, { "Value", "ldp.msg.tlv.pwgrouping.value", FT_UINT32, BASE_DEC, NULL, 0x0, "PW Grouping Value", HFILL }}, { &hf_ldp_tlv_intparam_length, { "Length", "ldp.msg.tlv.intparam.length", FT_UINT8, BASE_DEC, NULL, 0x0, "VC FEC Interface Parameter Length", HFILL }}, { &hf_ldp_tlv_intparam_mtu, { "MTU", "ldp.msg.tlv.intparam.mtu", FT_UINT16, BASE_DEC, NULL, 0x0, "VC FEC Interface Parameter MTU", HFILL }}, { &hf_ldp_tlv_intparam_tdmbps, { "BPS", "ldp.msg.tlv.intparam.tdmbps", FT_UINT32, BASE_DEC, NULL, 0x0, "VC FEC Interface Parameter CEP/TDM bit-rate", HFILL }}, { &hf_ldp_tlv_intparam_id, { "ID", "ldp.msg.tlv.intparam.id", FT_UINT8, BASE_HEX, VALS(fec_vc_interfaceparm), 0x0, "VC FEC Interface Parameter ID", HFILL }}, { &hf_ldp_tlv_intparam_maxcatmcells, { "Number of Cells", "ldp.msg.tlv.intparam.maxatm", FT_UINT16, BASE_DEC, NULL, 0x0, "VC FEC Interface Param Max ATM Concat Cells", HFILL }}, { &hf_ldp_tlv_intparam_desc, { "Description", "ldp.msg.tlv.intparam.desc", FT_STRING, BASE_NONE, NULL, 0, "VC FEC Interface Description", HFILL }}, { &hf_ldp_tlv_intparam_cepbytes, { "Payload Bytes", "ldp.msg.tlv.intparam.cepbytes", FT_UINT16, BASE_DEC, NULL, 0x0, "VC FEC Interface Param CEP/TDM Payload Bytes", HFILL }}, { &hf_ldp_tlv_intparam_cepopt_ais, { "AIS", "ldp.msg.tlv.intparam.cepopt_ais", FT_BOOLEAN, 16, NULL, 0x8000, "VC FEC Interface Param CEP Option AIS", HFILL }}, { &hf_ldp_tlv_intparam_cepopt_une, { "UNE", "ldp.msg.tlv.intparam.cepopt_une", FT_BOOLEAN, 16, NULL, 0x4000, "VC FEC Interface Param CEP Option Unequipped", HFILL }}, { &hf_ldp_tlv_intparam_cepopt_rtp, { "RTP", "ldp.msg.tlv.intparam.cepopt_rtp", FT_BOOLEAN, 16, NULL, 0x2000, "VC FEC Interface Param CEP Option RTP Header", HFILL }}, { &hf_ldp_tlv_intparam_cepopt_ebm, { "EBM", "ldp.msg.tlv.intparam.cepopt_ebm", FT_BOOLEAN, 16, NULL, 0x1000, "VC FEC Interface Param CEP Option EBM Header", HFILL }}, { &hf_ldp_tlv_intparam_cepopt_mah, { "MAH", "ldp.msg.tlv.intparam.cepopt_mah", FT_BOOLEAN, 16, NULL, 0x0800, "VC FEC Interface Param CEP Option MPLS Adaptation header", HFILL }}, { &hf_ldp_tlv_intparam_cepopt_res, { "Reserved", "ldp.msg.tlv.intparam.cepopt_res", FT_UINT16, BASE_HEX, NULL , 0x07E0, "VC FEC Interface Param CEP Option Reserved", HFILL }}, { &hf_ldp_tlv_intparam_cepopt_ceptype, { "CEP Type", "ldp.msg.tlv.intparam.cepopt_ceptype", FT_UINT16, BASE_HEX, VALS(fec_vc_ceptype_vals), 0x001C, "VC FEC Interface Param CEP Option CEP Type", HFILL }}, { &hf_ldp_tlv_intparam_cepopt_t3, { "Async T3", "ldp.msg.tlv.intparam.cepopt_t3", FT_BOOLEAN, 16, NULL, 0x0002, "VC FEC Interface Param CEP Option Async T3", HFILL }}, { &hf_ldp_tlv_intparam_cepopt_e3, { "Async E3", "ldp.msg.tlv.intparam.cepopt_e3", FT_BOOLEAN, 16, NULL, 0x0001, "VC FEC Interface Param CEP Option Async E3", HFILL }}, { &hf_ldp_tlv_intparam_vlanid, { "VLAN Id", "ldp.msg.tlv.intparam.vlanid", FT_UINT16, BASE_DEC, NULL, 0x0, "VC FEC Interface Param VLAN Id", HFILL }}, { &hf_ldp_tlv_intparam_dlcilen, { "DLCI Length", "ldp.msg.tlv.intparam.dlcilen", FT_UINT16, BASE_DEC, NULL, 0x0, "VC FEC Interface Parameter Frame-Relay DLCI Length", HFILL }}, { &hf_ldp_tlv_intparam_fcslen, { "FCS Length", "ldp.msg.tlv.intparam.fcslen", FT_UINT16, BASE_DEC, NULL, 0x0, "VC FEC Interface Parameter FCS Length", HFILL }}, { &hf_ldp_tlv_intparam_tdmopt_r, { "R Bit", "ldp.msg.tlv.intparam.tdmopt_r", FT_BOOLEAN, 16, TFS(&fec_vc_tdmopt_r), 0x8000, "VC FEC Interface Param TDM Options RTP Header", HFILL }}, { &hf_ldp_tlv_intparam_tdmopt_d, { "D Bit", "ldp.msg.tlv.intparam.tdmopt_d", FT_BOOLEAN, 16, TFS(&fec_vc_tdmopt_d), 0x4000, "VC FEC Interface Param TDM Options Dynamic Timestamp", HFILL }}, { &hf_ldp_tlv_intparam_tdmopt_f, { "F Bit", "ldp.msg.tlv.intparam.tdmopt_f", FT_BOOLEAN, 16, TFS(&fec_vc_tdmopt_f), 0x2000, "VC FEC Interface Param TDM Options Flavor bit", HFILL }}, { &hf_ldp_tlv_intparam_tdmopt_res1, { "RSVD-1", "ldp.msg.tlv.intparam.tdmopt_res1", FT_UINT16, BASE_HEX, NULL, 0x1FFF, "VC FEC Interface Param TDM Options Reserved", HFILL }}, { &hf_ldp_tlv_intparam_tdmopt_pt, { "PT", "ldp.msg.tlv.intparam.tdmopt_pt", FT_UINT8, BASE_DEC, NULL, 0x7F, "VC FEC Interface Param TDM Options Payload Type", HFILL }}, { &hf_ldp_tlv_intparam_tdmopt_res2, { "RSVD-2", "ldp.msg.tlv.intparam.tdmopt_res2", FT_UINT8, BASE_HEX, NULL, 0x00, "VC FEC Interface Param TDM Options Reserved", HFILL }}, { &hf_ldp_tlv_intparam_tdmopt_freq, { "FREQ", "ldp.msg.tlv.intparam.tdmopt_freq", FT_UINT16, BASE_DEC, NULL, 0x00, "VC FEC Interface Param TDM Options Frequency", HFILL }}, { &hf_ldp_tlv_intparam_tdmopt_ssrc, { "SSRC", "ldp.msg.tlv.intparam.tdmopt_ssrc", FT_UINT32, BASE_HEX, NULL, 0x00, "VC FEC Interface Param TDM Options SSRC", HFILL }}, { &hf_ldp_tlv_intparam_vccv_cctype_cw, { "PWE3 Control Word", "ldp.msg.tlv.intparam.vccv.cctype_cw", FT_BOOLEAN, 8, NULL, 0x01, "VC FEC Interface Param VCCV CC Type PWE3 CW", HFILL }}, { &hf_ldp_tlv_intparam_vccv_cctype_mplsra, { "MPLS Router Alert", "ldp.msg.tlv.intparam.vccv.cctype_mplsra", FT_BOOLEAN, 8, NULL, 0x02, "VC FEC Interface Param VCCV CC Type MPLS Router Alert", HFILL }}, { &hf_ldp_tlv_intparam_vccv_cctype_ttl1, { "MPLS Inner Label TTL = 1", "ldp.msg.tlv.intparam.vccv.cctype_ttl1", FT_BOOLEAN, 8, NULL, 0x04, "VC FEC Interface Param VCCV CC Type Inner Label TTL 1", HFILL }}, { &hf_ldp_tlv_intparam_vccv_cvtype_icmpping, { "ICMP Ping", "ldp.msg.tlv.intparam.vccv.cvtype_icmpping", FT_BOOLEAN, 8, NULL, 0x01, "VC FEC Interface Param VCCV CV Type ICMP Ping", HFILL }}, { &hf_ldp_tlv_intparam_vccv_cvtype_lspping, { "LSP Ping", "ldp.msg.tlv.intparam.vccv.cvtype_lspping", FT_BOOLEAN, 8, NULL, 0x02, "VC FEC Interface Param VCCV CV Type LSP Ping", HFILL }}, { &hf_ldp_tlv_intparam_vccv_cvtype_bfd, { "BFD", "ldp.msg.tlv.intparam.vccv.cvtype_bfd", FT_BOOLEAN, 8, NULL, 0x04, "VC FEC Interface Param VCCV CV Type BFD", HFILL }}, { &hf_ldp_tlv_upstr_sbit, { "S-Bit", "ldp.msg.tlv.upstream.sbit", FT_BOOLEAN, 8, TFS(&tlv_upstr_sbit_vals), 0x80, "Upstream Label Assignment Capability State Bit", HFILL }}, { &hf_ldp_tlv_upstr_lbl_req_resvbit, { "Reserved Bits", "ldp.msg.tlv.upstream_label_req.resvbit", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_upstr_ass_lbl, { "Upstream-Assigned Label", "ldp.msg.tlv.upstream.label", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_upstr_lbl_resvbit, { "Reserved Bits", "ldp.msg.tlv.upstream.resvbit", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_ipv4_intID_hop_addr, { "IPv4 Next/Previous Hop Address", "ldp.msg.tlv.ipv4_interface_ID.hop_addr", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_logical_intID, { "Logical Interface ID", "ldp.msg.tlv.interface_ID.logical_intID", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_ip_multicast_srcaddr, { "Source Address", "ldp.msg.tlv.ip_multicast.ipv4_srcaddr", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_ip_multicast_mltcstaddr, { "Multicast Group Address", "ldp.msg.tlv.ip_multicast.ipv4_maddr", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_ip_mpls_context_srcaddr, { "Source Address", "ldp.msg.tlv.ip_mpls_context.ipv4_srcaddr", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_ldp_p2mp_lsptype, { "P2MP Type", "ldp.msg.tlv.ldp_p2mp.type", FT_UINT8, BASE_HEX, NULL, 0x0, "TLV Type", HFILL }}, { &hf_ldp_tlv_ldp_p2mp_addrfam, { "Address Family", "ldp.msg.tlv.ldp_p2mp.addr_family", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_ldp_p2mp_addrlen, { "Address Length", "ldp.msg.tlv.ldp_p2mp.addr_len", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_ldp_p2mp_rtnodeaddr, { "Root Node Address", "ldp.msg.tlv.ldp_p2mp.ipv4_rtnodeaddr", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_ldp_p2mp_oplength, { "Opaque Length", "ldp.msg.tlv.ldp_p2mp.oplength", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_ldp_p2mp_opvalue, { "Opaque Value", "ldp.msg.tlv.ldp_p2mp.opvalue", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_rsvp_te_p2mp_id, { "P2MP ID", "ldp.msg.tlv.rsvp_te_p2mp.id", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_must_be_zero, { "MUST be zero", "ldp.msg.tlv.rsvp_te_p2mp.zero", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_tunnel_id, { "Tunnel ID", "ldp.msg.tlv.rsvp_te_p2mp.tunnel_id", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_ext_tunnel_id, { "Extended Tunnel ID", "ldp.msg.tlv.rsvp_te_p2mp.ipv4_ext_tunnel_id", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_tlv_inv_length, { "Invalid length", "ldp.msg.tlv.invalid.length", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_returned_pdu_data, { "Returned PDU Data", "ldp.returned_pdu_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_returned_message_parameters, { "Returned Message Parameters", "ldp.returned_message_parameters", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_data, { "Data", "ldp.data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_ldp_unknown_data, { "Unknown Data", "ldp.unknown_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, }; static gint *ett[] = { &ett_ldp, &ett_ldp_header, &ett_ldp_ldpid, &ett_ldp_message, &ett_ldp_tlv, &ett_ldp_tlv_val, &ett_ldp_tlv_ft_flags, &ett_ldp_fec, &ett_ldp_fec_vc_interfaceparam, &ett_ldp_fec_vc_interfaceparam_cepopt, &ett_ldp_fec_vc_interfaceparam_vccvtype, &ett_ldp_diffserv_map, &ett_ldp_diffserv_map_phbid, &ett_ldp_gen_agi, &ett_ldp_gen_saii, &ett_ldp_gen_taii, &ett_ldp_gen_aai_type2, &ett_ldp_sub_tlv }; static ei_register_info ei[] = { { &ei_ldp_dtsm_and_target, { "ldp.dtsm_and_target", PI_PROTOCOL, PI_WARN,"ERROR - Both GTSM and Target Flag are enabled.", EXPFILL }}, { &ei_ldp_gtsm_supported, { "ldp.gtsm_supported", PI_PROTOCOL, PI_CHAT,"GTSM is supported by the source", EXPFILL }}, { &ei_ldp_gtsm_not_supported_basic_discovery, { "ldp.gtsm_not_supported_basic_discovery", PI_PROTOCOL, PI_WARN,"GTSM is not supported by the source, since basic discovery is not enabled", EXPFILL }}, { &ei_ldp_gtsm_not_supported, { "ldp.gtsm_not_supported", PI_PROTOCOL, PI_CHAT,"GTSM is not supported by the source", EXPFILL }}, { &ei_ldp_inv_length, { "ldp.invalid_length", PI_MALFORMED, PI_ERROR,"Length of the packet is malformed", EXPFILL }}, { &ei_ldp_address_family_not_implemented, { "ldp.address_family_not_implemented", PI_UNDECODED, PI_WARN, "Support for Address Family not implemented", EXPFILL }}, { &ei_ldp_tlv_fec, { "ldp.msg.tlv.fec.error", PI_PROTOCOL, PI_ERROR, "Error in FEC Element %u", EXPFILL }}, { &ei_ldp_tlv_fec_len, { "ldp.msg.tlv.fec.len.invalid", PI_PROTOCOL, PI_ERROR, "Invalid prefix %u length for family %s", EXPFILL }}, { &ei_ldp_tlv_fec_vc_infolength, { "ldp.msg.tlv.fec.vc.infolength.invalid", PI_PROTOCOL, PI_ERROR, "VC FEC size format error", EXPFILL }}, { &ei_ldp_malformed_interface_parameter, { "ldp.malformed_interface_parameter", PI_MALFORMED, PI_ERROR, "Malformed interface parameter", EXPFILL }}, { &ei_ldp_malformed_data, { "ldp.malformed_data", PI_MALFORMED, PI_ERROR, "Malformed data", EXPFILL }}, { &ei_ldp_tlv_fec_type, { "ldp.msg.tlv.fec.unknown", PI_PROTOCOL, PI_WARN, "Unknown FEC TLV type", EXPFILL }}, }; module_t *ldp_module; expert_module_t* expert_ldp; proto_ldp = proto_register_protocol("Label Distribution Protocol", "LDP", "ldp"); proto_register_field_array(proto_ldp, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_ldp = expert_register_protocol(proto_ldp); expert_register_field_array(expert_ldp, ei, array_length(ei)); /* Register our configuration options for , particularly our port */ ldp_module = prefs_register_protocol(proto_ldp, proto_reg_handoff_ldp); prefs_register_uint_preference(ldp_module, "tcp.port", "LDP TCP Port", "Set the TCP port for messages (if other" " than the default of 646)", 10, &global_ldp_tcp_port); prefs_register_uint_preference(ldp_module, "udp.port", "LDP UDP Port", "Set the UDP port for messages (if other" " than the default of 646)", 10, &global_ldp_udp_port); prefs_register_bool_preference(ldp_module, "desegment_ldp_messages", "Reassemble LDP messages spanning multiple TCP segments", "Whether the LDP dissector should reassemble messages spanning multiple TCP segments." " To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\"" " in the TCP protocol settings.", &ldp_desegment); } /* The registration hand-off routine */ void proto_reg_handoff_ldp(void) { static gboolean ldp_prefs_initialized = FALSE; static dissector_handle_t ldp_tcp_handle, ldp_handle; static int tcp_port; static int udp_port; if (!ldp_prefs_initialized) { ldp_tcp_handle = create_dissector_handle(dissect_ldp_tcp, proto_ldp); ldp_handle = create_dissector_handle(dissect_ldp, proto_ldp); ldp_prefs_initialized = TRUE; } else { dissector_delete_uint("tcp.port", tcp_port, ldp_tcp_handle); dissector_delete_uint("udp.port", udp_port, ldp_handle); } /* Set our port number for future use */ tcp_port = global_ldp_tcp_port; udp_port = global_ldp_udp_port; dissector_add_uint("tcp.port", global_ldp_tcp_port, ldp_tcp_handle); dissector_add_uint("udp.port", global_ldp_udp_port, ldp_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: */