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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
| commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
| tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-ldp.c | |
| parent | Initial commit. (diff) | |
| download | wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip | |
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-ldp.c')
| -rw-r--r-- | epan/dissectors/packet-ldp.c | 4629 |
1 files changed, 4629 insertions, 0 deletions
diff --git a/epan/dissectors/packet-ldp.c b/epan/dissectors/packet-ldp.c new file mode 100644 index 0000000..e4114f3 --- /dev/null +++ b/epan/dissectors/packet-ldp.c @@ -0,0 +1,4629 @@ +/* packet-ldp.c + * Routines for LDP (RFC 3036) packet disassembly + * + * Copyright (c) November 2000 by Richard Sharpe <rsharpe@ns.aus.com> + * + * CRLDP (RFC3212) is now supported + * - (c) 2002 Michael Rozhavsky <mike[AT]tochna.technion.ac.il> + * + * (c) Copyright 2011, Shobhank Sharma <ssharma5@ncsu.edu> + * - update the VCCV bitmaps as per RFC 5885 + * + * (c) Copyright 2012, Aditya Ambadkar and Diana Chris <arambadk,dvchris@ncsu.edu> + * - support for the flowlabel sub-tlv as per RFC 6391 + * + * (c) Copyright 2013, Gaurav Patwardhan <gspatwar@ncsu.edu> + * - support for the GTSM flag as per RFC 6720 + * + * (c) Copyright 2013, Rupesh Patro <rbpatro@ncsu.edu> + * - Support for Upstream-Assigned Label TLVs and Sub-TLVs as per RFC 6389 + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1999 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + +#include <epan/packet.h> +#include <epan/exceptions.h> +#include <epan/addr_resolv.h> +#include <epan/prefs.h> +#include <epan/afn.h> +#include <epan/expert.h> +#include <epan/show_exception.h> + +#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 dissector_handle_t ldp_tcp_handle, ldp_handle; + +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_fec_pw_controlword = -1; +static int hf_ldp_tlv_fec_pw_pwtype = -1; +static int hf_ldp_tlv_fec_pw_infolength = -1; +static int hf_ldp_tlv_fec_pw_groupid = -1; +static int hf_ldp_tlv_fec_pw_pwid = -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; + +/* + * The following define all the TLV types I know about + * http://www.iana.org/assignments/ldp-namespaces + */ +#define TLV_SEQUENCE_NUMBER 0x0001 /* [RFC7769] */ +#define TLV_FEC 0x0100 /* [RFC5036] */ +#define TLV_ADDRESS_LIST 0x0101 /* [RFC5036] */ +#define TLV_HOP_COUNT 0x0103 /* [RFC5036] */ +#define TLV_PATH_VECTOR 0x0104 /* [RFC5036] */ +#define TLV_GENERIC_LABEL 0x0200 /* [RFC5036] */ +#define TLV_ATM_LABEL 0x0201 /* [RFC5036] */ +#define TLV_FRAME_RELAY_LABEL 0x0202 /* [RFC5036] */ +#define TLV_FT_PROTECTION 0x0203 /* [RFC3479] */ +#define TLV_LDP_UPSTREAM_ASSIGNED_LABEL 0x0204 /* [RFC6389] */ +#define TLV_LDP_UPSTREAM_ASSIGNED_LABEL_REQUEST 0x0205 /* [RFC6389] */ +#define TLV_ENTROPY_LABEL_CAPA 0x0206 /* [RFC6790] */ +#define TLV_STATUS 0x0300 /* [RFC5036] */ +#define TLV_EXTENDED_STATUS 0x0301 /* [RFC5036] */ +#define TLV_RETURNED_PDU 0x0302 /* [RFC5036] */ +#define TLV_RETURNED_MESSAGE 0x0303 /* [RFC5036] */ +#define TLV_RETURNED_TLVS 0x0304 /* [RFC5561] */ +#define TLV_COMMON_HELLO_PARAMS 0x0400 /* [RFC5036] */ +#define TLV_IPV4_TRANSPORT_ADDRESS 0x0401 /* [RFC5036] */ +#define TLV_CONFIGURATION_SEQUENCE_NUMBER 0x0402 /* [RFC5036] */ +#define TLV_IPV6_TRANSPORT_ADDRESS 0x0403 /* [RFC5036] */ +#define TLV_MAC 0x0404 /* [RFC4762] */ +#define TLV_CRYPTOGRAPHIC_AUTHENTICATION 0x0405 /* [RFC7349] */ +#define TLV_MAC_FLUSH_PARAMS 0x0406 /* [RFC7361] */ +#define TLV_PBB_B_MAC_LIST_SUB 0x0407 /* [RFC7361] */ +#define TLV_PBB_I_SID_LIST_SUB 0x0408 /* [RFC7361] */ +#define TLV_COMMON_SESSION_PARAMS 0x0500 /* [RFC5036] */ +#define TLV_ATM_SESSION_PARAMS 0x0501 /* [RFC5036] */ +#define TLV_FRAME_RELAY_SESSION_PARAMS 0x0502 /* [RFC5036] */ +#define TLV_FT_SESSION 0x0503 /* [RFC3479] */ +#define TLV_FT_ACK 0x0504 /* [RFC3479] */ +#define TLV_FT_CORK 0x0505 /* [RFC3479] */ +#define TLV_DYNAMIC_CAPA_ANNOUNCEMENT 0x0506 /* [RFC5561] */ +#define TLV_LDP_UPSTREAM_LABEL_ASSIGNMENT_CAPA 0x0507 /* [RFC6389] */ +#define TLV_P2MP_CAPA_PARAM 0x0508 /* [RFC6388] */ +#define TLV_MP2MP_CAPA_PARAM 0x0509 /* [RFC6388] */ +#define TLV_MBB_CAPA_PARAM 0x050A /* [RFC6388] */ +#define TLV_TYPED_WILDCARD_FEC_CAPA 0x050B /* [RFC5918] */ +#define TLV_MULTI_TOPOLOGY_CAPA 0x050C /* [RFC7307] */ +#define TLV_STATE_ADVERTISEMENT_CONTROL_CAPA 0x050D /* [RFC7473] */ +#define TLV_MRT_CAPA 0x050E /* draft-iefp-mpls-ldp-mrt */ +#define TLV_TARGETED_APPLICATION_CAPA 0x050F /* [RFC8223] */ +#define TLV_LABEL_REQUEST_MESSAGE_ID 0x0600 /* [RFC5036] */ +#define TLV_MTU 0x0601 /* [RFC3988] */ +#define TLV_UNRECOGNIZED_NOTIFICATION_CAPA 0x0603 /* [RFC5919] */ +#define TLV_ICCP_CAPA 0x0700 /* [RFC7275] */ +#define TLV_DUAL_STACK_CAPA 0x0701 /* [RFC7552] */ +#define TLV_EXPLICIT_ROUTE 0x0800 /* [RFC3212] */ +#define TLV_IPV4_PREFIX_ER_HOP 0x0801 /* [RFC3212] */ +#define TLV_IPV6_PREFIX_ER_HOP 0x0802 /* [RFC3212] */ +#define TLV_AUTONOMOUS_SYSTEM_NUMBER_ER_HOP 0x0803 /* [RFC3212] */ +#define TLV_LSP_ID_ER_HOP 0x0804 /* [RFC3212] */ +#define TLV_L2_PW_ADDRESS_OF_SWITCHING_POINT 0x0805 /* [RFC7392] */ +#define TLV_TRAFFIC_PARAMS 0x0810 /* [RFC3212] */ +#define TLV_PREEMPTION 0x0820 /* [RFC3212] */ +#define TLV_LSPID 0x0821 /* [RFC3212] */ +#define TLV_RESOURCE_CLASS 0x0822 /* [RFC3212] */ +#define TLV_ROUTE_PINNING 0x0823 /* [RFC3212] */ +#define TLV_GENERALIZED_LABEL_REQUEST 0x0824 /* [RFC3472] */ +#define TLV_GENERALIZED_LABEL 0x0825 /* [RFC3472] */ +#define TLV_UPSTREAM_LABEL 0x0826 /* [RFC3472] */ +#define TLV_LABEL_SET 0x0827 /* [RFC3472] */ +#define TLV_WAVEBAND_LABEL 0x0828 /* [RFC3472] */ +#define TLV_ER_HOP 0x0829 /* [RFC3472] */ +#define TLV_ACCEPTABLE_LABEL_SET 0x082A /* [RFC3472] */ +#define TLV_ADMIN_STATUS 0x082B /* [RFC3472] */ +#define TLV_INTERFACE_ID 0x082C /* [RFC3472] */ +#define TLV_IPV4_INTERFACE_ID 0x082D /* [RFC3472] */ +#define TLV_IPV6_INTERFACE_ID 0x082E /* [RFC3472] */ +#define TLV_IPV4_IF_ID_STATUS 0x082F /* [RFC3472] */ +#define TLV_IPV6_IF_ID_STATUS 0x0830 /* [RFC3472] */ +#define TLV_OP_SP_CALL_ID 0x0831 /* [RFC3475] */ +#define TLV_GU_CALL_ID 0x0832 /* [RFC3475] */ +#define TLV_CALL_CAPA 0x0833 /* [RFC3475] */ +#define TLV_CRANKBACK 0x0834 /* [RFC3475] */ +#define TLV_PROTECTION 0x0835 /* [RFC3472] */ +#define TLV_LSP_TUNNEL_INTERFACE_ID 0x0836 /* [RFC3480] */ +#define TLV_UNNUMBERED_INTERFACE_ID 0x0837 /* [RFC3480] */ +#define TLV_SONET_SDH_TRAFFIC_PARAMS 0x0838 /* [RFC4606] */ +#define TLV_DIFF_SERV 0x0901 /* [RFC3270] */ +#define TLV_HSMP_LSP_CAPA_PARAM 0x0902 /* [RFC7140] */ +#define TLV_IPV4_SOURCE_ID 0x0960 /* [RFC3476] */ +#define TLV_IPV6_SOURCE_ID 0x0961 /* [RFC3476] */ +#define TLV_NSAP_SOURCE_ID 0x0962 /* [RFC3476] */ +#define TLV_IPV4_DESTINATION_ID 0x0963 /* [RFC3476] */ +#define TLV_IPV6_DESTINATION_ID 0x0964 /* [RFC3476] */ +#define TLV_NSAP_DESTINATION_ID 0x0965 /* [RFC3476] */ +#define TLV_EGRESS_LABEL 0x0966 /* [RFC3476] */ +#define TLV_LOCAL_CONNECTION_ID 0x0967 /* [RFC3476] */ +#define TLV_DIVERSITY 0x0968 /* [RFC3476] */ +#define TLV_CONTRACT_ID 0x0969 /* [RFC3476] */ +#define TLV_PW_STATUS 0x096A /* [RFC8077] */ +#define TLV_PW_INTERFACE_PARAMS 0x096B /* [RFC8077] */ +#define TLV_PW_GROUP_ID 0x096C /* [RFC8077] */ +#define TLV_PSEUDOWIRE_SWITCHING_POINT_PE 0x096D /* [RFC6073] */ +#define TLV_BANDWIDTH 0x096E /* [RFC7267] */ +#define TLV_LDP_MP_STATUS_TLV_TYPE 0x096F /* [RFC6388] */ +#define TLV_UNI_SERVICE_LEVEL 0x0970 /* [RFC3476] */ +#define TLV_QUEUE_REQUEST 0x0971 /* [RFC7032] */ +#define TLV_MP_NODE_PROTECTION_CAPA 0x0972 /* [RFC7715] */ +#define TLV_PSN_TUNNEL_BINDING 0x0973 /* [RFC7965] */ +#define TLV_EGRESS_PROTECTION_CAPA 0x0974 /* [RFC8104] */ + +/* Not in IANA list */ +#define TLV_RSVP_TE_P2MP_LSP 0x001C +#define TLV_LDP_P2MP_LSP 0x001D +#define TLV_IP_MULTICAST_TUNNEL 0x001E +#define TLV_MPLS_CONTEXT_LBL 0x001F +#define TLV_VENDOR_PRIVATE_START 0x3E00 +#define TLV_VENDOR_PRIVATE_END 0x3EFF +#define TLV_EXPERIMENTAL_START 0x3F00 +#define TLV_EXPERIMENTAL_END 0x3FFF + +static const value_string tlv_type_names[] = { + { TLV_SEQUENCE_NUMBER, "Sequence Number TLV" }, + { TLV_FEC, "FEC" }, + { TLV_ADDRESS_LIST, "Address List" }, + { TLV_HOP_COUNT, "Hop Count" }, + { TLV_PATH_VECTOR, "Path Vector" }, + { TLV_GENERIC_LABEL, "Generic Label" }, + { TLV_ATM_LABEL, "ATM Label" }, + { TLV_FRAME_RELAY_LABEL, "Frame Relay Label" }, + { TLV_FT_PROTECTION, "FT Protection TLV" }, + { TLV_LDP_UPSTREAM_ASSIGNED_LABEL, "LDP Upstream-Assigned Label TLV" }, + { TLV_LDP_UPSTREAM_ASSIGNED_LABEL_REQUEST, "LDP Upstream-Assigned Label Request TLV" }, + { TLV_ENTROPY_LABEL_CAPA, "Entropy Label Capability TLV" }, + { TLV_STATUS, "Status" }, + { TLV_EXTENDED_STATUS, "Extended Status" }, + { TLV_RETURNED_PDU, "Returned PDU" }, + { TLV_RETURNED_MESSAGE, "Returned Message" }, + { TLV_RETURNED_TLVS, "Returned TLVs" }, + { TLV_COMMON_HELLO_PARAMS, "Common Hello Parameters" }, + { TLV_IPV4_TRANSPORT_ADDRESS, "IPv4 Transport Address" }, + { TLV_CONFIGURATION_SEQUENCE_NUMBER, "Configuration Sequence Number" }, + { TLV_IPV6_TRANSPORT_ADDRESS, "IPv6 Transport Address" }, + { TLV_MAC, "MAC TLV" }, + { TLV_CRYPTOGRAPHIC_AUTHENTICATION, "Cryptographic Authentication TLV" }, + { TLV_MAC_FLUSH_PARAMS, "MAC Flush Parameters TLV" }, + { TLV_PBB_B_MAC_LIST_SUB, "PBB B-MAC List Sub-TLV" }, + { TLV_PBB_I_SID_LIST_SUB, "PBB I-SID List Sub-TLV" }, + { TLV_COMMON_SESSION_PARAMS, "Common Session Parameters" }, + { TLV_ATM_SESSION_PARAMS, "ATM Session Parameters" }, + { TLV_FRAME_RELAY_SESSION_PARAMS, "Frame Relay Session Parameters" }, + { TLV_FT_SESSION, "FT Session TLV" }, + { TLV_FT_ACK, "FT Ack TLV" }, + { TLV_FT_CORK, "FT Cork TLV" }, + { TLV_DYNAMIC_CAPA_ANNOUNCEMENT, "Dynamic Capability Announcement" }, + { TLV_LDP_UPSTREAM_LABEL_ASSIGNMENT_CAPA, "LDP Upstream Label Assignment Capability TLV" }, + { TLV_P2MP_CAPA_PARAM, "P2MP Capability Parameter" }, + { TLV_MP2MP_CAPA_PARAM, "MP2MP Capability Parameter" }, + { TLV_MBB_CAPA_PARAM, "MBB Capability Parameter" }, + { TLV_TYPED_WILDCARD_FEC_CAPA, "Typed Wildcard FEC Capability" }, + { TLV_MULTI_TOPOLOGY_CAPA, "Multi-Topology Capability" }, + { TLV_STATE_ADVERTISEMENT_CONTROL_CAPA, "State Advertisement Control Capability" }, + { TLV_TARGETED_APPLICATION_CAPA, "Targeted Application Capability" }, + { TLV_LABEL_REQUEST_MESSAGE_ID, "Label Request Message ID" }, + { TLV_MTU, "MTU TLV" }, + { TLV_UNRECOGNIZED_NOTIFICATION_CAPA, "Unrecognized Notification Capability" }, + { TLV_ICCP_CAPA, "ICCP capability TLV" }, + { TLV_DUAL_STACK_CAPA, "Dual-Stack capability" }, + { TLV_EXPLICIT_ROUTE, "Explicit Route TLV" }, + { TLV_IPV4_PREFIX_ER_HOP, "Ipv4 Prefix ER-Hop TLV" }, + { TLV_IPV6_PREFIX_ER_HOP, "Ipv6 Prefix ER-Hop TLV" }, + { TLV_AUTONOMOUS_SYSTEM_NUMBER_ER_HOP, "Autonomous System Number ER-Hop TLV" }, + { TLV_LSP_ID_ER_HOP, "LSP-ID ER-HOP TLV" }, + { TLV_L2_PW_ADDRESS_OF_SWITCHING_POINT, "L2 PW Address of Switching Point" }, + { TLV_TRAFFIC_PARAMS, "Traffic Parameters TLV" }, + { TLV_PREEMPTION, "Preemption TLV" }, + { TLV_LSPID, "LSPID TLV" }, + { TLV_RESOURCE_CLASS, "Resource Class TLV" }, + { TLV_ROUTE_PINNING, "Route Pinning TLV" }, + { TLV_GENERALIZED_LABEL_REQUEST, "Generalized Label Request TLV" }, + { TLV_GENERALIZED_LABEL, "Generalized Label TLV" }, + { TLV_UPSTREAM_LABEL, "Upstream Label TLV" }, + { TLV_LABEL_SET, "Label Set TLV" }, + { TLV_WAVEBAND_LABEL, "Waveband Label TLV" }, + { TLV_ER_HOP, "ER-Hop TLV" }, + { TLV_ACCEPTABLE_LABEL_SET, "Acceptable Label Set TLV" }, + { TLV_ADMIN_STATUS, "Admin Status TLV" }, + { TLV_INTERFACE_ID, "Interface ID TLV" }, + { TLV_IPV4_INTERFACE_ID, "IPV4 Interface ID TLV" }, + { TLV_IPV6_INTERFACE_ID, "IPV6 Interface ID TLV" }, + { TLV_IPV4_IF_ID_STATUS, "IPv4 IF_ID Status TLV" }, + { TLV_IPV6_IF_ID_STATUS, "IPv6 IF_ID Status TLV" }, + { TLV_OP_SP_CALL_ID, "Op-Sp Call ID TLV" }, + { TLV_GU_CALL_ID, "GU Call ID TLV" }, + { TLV_CALL_CAPA, "Call Capability TLV" }, + { TLV_CRANKBACK, "Crankback TLV" }, + { TLV_PROTECTION, "Protection TLV" }, + { TLV_LSP_TUNNEL_INTERFACE_ID, "LSP_TUNNEL_INTERFACE_ID TLV" }, + { TLV_UNNUMBERED_INTERFACE_ID, "Unnumbered Interface ID TLV" }, + { TLV_SONET_SDH_TRAFFIC_PARAMS, "SONET/SDH Traffic Parameters TLV" }, + { TLV_DIFF_SERV, "Diff-Serv TLV" }, + { TLV_HSMP_LSP_CAPA_PARAM, "HSMP LSP Capability Parameter" }, + { TLV_IPV4_SOURCE_ID, "IPv4 Source ID TLV" }, + { TLV_IPV6_SOURCE_ID, "IPv6 Source ID TLV" }, + { TLV_NSAP_SOURCE_ID, "NSAP Source ID TLV" }, + { TLV_IPV4_DESTINATION_ID, "IPv4 Destination ID TLV" }, + { TLV_IPV6_DESTINATION_ID, "IPv6 Destination ID TLV" }, + { TLV_NSAP_DESTINATION_ID, "NSAP Destination ID TLV" }, + { TLV_EGRESS_LABEL, "Egress Label TLV" }, + { TLV_LOCAL_CONNECTION_ID, "Local Connection ID TLV" }, + { TLV_DIVERSITY, "Diversity TLV" }, + { TLV_CONTRACT_ID, "Contract ID TLV" }, + { TLV_PW_STATUS, "PW Status TLV" }, + { TLV_PW_INTERFACE_PARAMS, "PW Interface Parameters TLV" }, + { TLV_PW_GROUP_ID, "PW Group ID TLV" }, + { TLV_PSEUDOWIRE_SWITCHING_POINT_PE, "Pseudowire Switching Point PE TLV" }, + { TLV_BANDWIDTH, "Bandwidth TLV" }, + { TLV_LDP_MP_STATUS_TLV_TYPE, "LDP MP Status TLV Type" }, + { TLV_UNI_SERVICE_LEVEL, "UNI Service Level TLV" }, + { TLV_QUEUE_REQUEST, "Queue Request TLV" }, + { TLV_MP_NODE_PROTECTION_CAPA, "MP Node Protection Capability" }, + { TLV_PSN_TUNNEL_BINDING, "PSN Tunnel Binding TLV" }, + { TLV_EGRESS_PROTECTION_CAPA, "Egress Protection Capability" }, + + { TLV_RSVP_TE_P2MP_LSP, "RSVP-TE P2MP LSP TLV" }, + { TLV_LDP_P2MP_LSP, "LDP P2MP LSP TLV" }, + { TLV_IP_MULTICAST_TUNNEL, "IP Multicast Tunnel TLV" }, + + { 0, NULL} +}; + +/* + * https://www.iana.org/assignments/ldp-namespaces + */ + +#define LDP_NOTIFICATION 0x0001 /* [RFC5036] */ +#define LDP_HELLO 0x0100 /* [RFC5036] */ +#define LDP_INITIALIZATION 0x0200 /* [RFC5036] */ +#define LDP_KEEPALIVE 0x0201 /* [RFC5036] */ +#define LDP_CAPABILITY 0x0202 /* [RFC5561] */ +#define LDP_ADDRESS 0x0300 /* [RFC5036] */ +#define LDP_ADDRESS_WITHDRAWAL 0x0301 /* [RFC5036] */ +#define LDP_LABEL_MAPPING 0x0400 /* [RFC5036] */ +#define LDP_LABEL_REQUEST 0x0401 /* [RFC5036] */ +#define LDP_LABEL_WITHDRAWAL 0x0402 /* [RFC5036] */ +#define LDP_LABEL_RELEASE 0x0403 /* [RFC5036] */ +#define LDP_LABEL_ABORT_REQUEST 0x0404 /* [RFC5036] */ +#define LDP_CALL_SETUP 0x0500 /* [RFC3475] */ +#define LDP_CALL_RELEASE 0x0501 /* [RFC3475] */ +#define LDP_RG_CONNECT_MESSAGE 0x0700 /* [RFC7275] */ +#define LDP_RG_DISCONNECT_MESSAGE 0x0701 /* [RFC7275] */ +#define LDP_RG_NOTIFICATION_MESSAGE 0x0702 /* [RFC7275] */ +#define LDP_RG_APPLICATION_DATA_MESSAGE 0x0703 /* [RFC7275] */ +#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_CAPABILITY, "Capability 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_CALL_SETUP, "Call Setup Message"}, + {LDP_CALL_RELEASE, "Call Release Message"}, + {LDP_RG_CONNECT_MESSAGE, "RG Connect Message"}, + {LDP_RG_DISCONNECT_MESSAGE, "RG Disconnect Message"}, + {LDP_RG_NOTIFICATION_MESSAGE, "RG Notification Message"}, + {LDP_RG_APPLICATION_DATA_MESSAGE, "RG Application Data 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 0x01 /* [RFC5036][RFC7358] */ +#define PREFIX_FEC 0x02 /* [RFC5036][RFC7358] */ +#define HOST_FEC 0x03 /* "Unassigned" according to IANA */ +#define CRLSP_FEC 0x04 /* [RFC3212][RFC7358] */ +#define TYPED_WILDCARD_FEC 0x05 /* [RFC5918][RFC7358] */ +#define P2MP_FEC 0x06 /* [RFC6388][RFC7358] */ +#define MP2MP_FEC_UP 0x07 /* [RFC6388][RFC7358] */ +#define MP2MP_FEC_DOWN 0x08 /* [RFC6388][RFC7358] */ +#define HSMP_UPSTREAM 0x09 /* [RFC7140][RFC7358] */ +#define HSMP_DOWNSTREAM 0x0A /* [RFC7140][RFC7358] */ +#define PWID_FEC_ELEMENT 0x80 /* [RFC8077][RFC7358] */ +#define GENERALIZED_PWID_FEC 0x81 /* [RFC8077][RFC7358] */ +#define P2MP_PW_UPSTREAM_FEC 0x82 /* [draft-ietf-pwe3-p2mp-pw][RFC7358] */ +#define PROTECTION_FEC 0x83 /* [RFC8104][RFC7358] */ +#define P2MP_PW_DOWNSTREAM_FEC 0x84 /* [draft-ietf-pwe3-p2mp-pw][RFC7358] */ + +const value_string fec_types_vals[] = { + {WILDCARD_FEC, "Wildcard FEC"}, + {PREFIX_FEC, "Prefix FEC"}, + {HOST_FEC, "Host Address FEC"}, + {CRLSP_FEC, "CR LSP FEC"}, + {TYPED_WILDCARD_FEC, "Typed Wildcard FEC Element"}, + {P2MP_FEC, "P2MP"}, + {MP2MP_FEC_UP, "MP2MP-up"}, + {MP2MP_FEC_DOWN, "MP2MP-down"}, + {HSMP_UPSTREAM, "HSMP-upstream"}, + {HSMP_DOWNSTREAM, "HSMP-downstream"}, + {PWID_FEC_ELEMENT, "PWid FEC Element"}, + {GENERALIZED_PWID_FEC, "Generalized PWid FEC Element"}, + {P2MP_PW_UPSTREAM_FEC, "P2MP PW Upstream FEC Element"}, + {PROTECTION_FEC, "Protection FEC Element"}, + {P2MP_PW_DOWNSTREAM_FEC, "P2MP_PW_DOWNSTREAM_FEC"}, + + {0, NULL} +}; + + +/* + * MPLS Pseudowire Types + * + * RFC 4446 + * + * http://www.iana.org/assignments/pwe3-parameters/pwe3-parameters.xhtml#pwe3-parameters-2 + */ +const value_string fec_vc_types_vals[] = { + {0x0001, "Frame Relay DLCI (Martini Mode)"}, + {0x0002, "ATM AAL5 SDU VCC transport"}, + {0x0003, "ATM transparent cell transport"}, + {0x0004, "Ethernet Tagged Mode"}, + {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 AAL1 Mode"}, + {0x0017, "CESoPSN TDM with CAS"}, + {0x0018, "TDMoIP AAL2 Mode"}, + {0x0019, "Frame Relay DLCI"}, + {0x001A, "ROHC Transport Header-compressed Packets"}, + {0x001B, "ECRTP Transport Header-compressed Packets"}, + {0x001C, "IPHC Transport Header-compressed Packets"}, + {0x001D, "cRTP Transport Header-compressed Packets"}, + {0x001E, "ATM VP Virtual Trunk"}, + {0x001F, "FC Port Mode"}, + + {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_ROHCOMPLS 0x0D +#define FEC_VC_INTERFACEPARAM_TDMOIPAAL1C 0x0E +#define FEC_VC_INTERFACEPARAM_CEIOMPLS 0x0F +#define FEC_VC_INTERFACEPARAM_TDMOIPAAL1 0x10 +#define FEC_VC_INTERFACEPARAM_TDMOIPAAL2 0x11 +#define FEC_VC_INTERFACEPARAM_STACK 0x16 +#define FEC_VC_INTERFACEPARAM_FLOWLABEL 0x17 +#define FEC_VC_INTERFACEPARAM_PWGENFLAGS 0x18 +#define FEC_VC_INTERFACEPARAM_VCCVEXTCV 0x19 +#define FEC_VC_INTERFACEPARAM_ETREE 0x1A +#define FEC_VC_INTERFACEPARAM_ZTEPRIVATE 0xFD + + +static const value_string fec_vc_interfaceparm[] = { + {FEC_VC_INTERFACEPARAM_MTU, "Interface 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_ROHCOMPLS, "ROHC over MPLS configuration"}, + {FEC_VC_INTERFACEPARAM_TDMOIPAAL1C, "TDMoIP AAL1 cells per packet"}, + {FEC_VC_INTERFACEPARAM_CEIOMPLS, "CRTP/ECRTP/IPHC HC over MPLS configuration"}, + {FEC_VC_INTERFACEPARAM_TDMOIPAAL1, "TDMoIP AAL1 mode"}, + {FEC_VC_INTERFACEPARAM_TDMOIPAAL2, "TDMoIP AAL2 Options"}, + {FEC_VC_INTERFACEPARAM_STACK, "Stack capability"}, + {FEC_VC_INTERFACEPARAM_FLOWLABEL, "Flow Label"}, + {FEC_VC_INTERFACEPARAM_PWGENFLAGS, "PW Generic Protocol Flags"}, + {FEC_VC_INTERFACEPARAM_VCCVEXTCV, "VCCV Extended CV Parameter"}, + {FEC_VC_INTERFACEPARAM_ETREE, "E-Tree"}, + {FEC_VC_INTERFACEPARAM_ZTEPRIVATE, "Zte optional Supplier private interface parameters"}, + + {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[] = { + { 0x00000000, "Success" }, + { 0x00000001, "Bad LDP Identifier" }, + { 0x00000002, "Bad Protocol Version" }, + { 0x00000003, "Bad PDU Length" }, + { 0x00000004, "Unknown Message Type" }, + { 0x00000005, "Bad Message Length" }, + { 0x00000006, "Unknown TLV" }, + { 0x00000007, "Bad TLV Length" }, + { 0x00000008, "Malformed TLV Value" }, + { 0x00000009, "Hold Timer Expired" }, + { 0x0000000A, "Shutdown" }, + { 0x0000000B, "Loop Detected" }, + { 0x0000000C, "Unknown FEC" }, + { 0x0000000D, "No Route" }, + { 0x0000000E, "No Label Resources" }, + { 0x0000000F, "Label Resources/Available" }, + { 0x00000010, "Session Rejected/No Hello" }, + { 0x00000011, "Session Rejected/Parameters Advertisement Mode" }, + { 0x00000012, "Session Rejected/Parameters Max PDU Length" }, + { 0x00000013, "Session Rejected/Parameters Label Range" }, + { 0x00000014, "KeepAlive Timer Expired" }, + { 0x00000015, "Label Request Aborted" }, + { 0x00000016, "Missing Message Parameters" }, + { 0x00000017, "Unsupported Address Family" }, + { 0x00000018, "Session Rejected/Bad KeepAlive Time" }, + { 0x00000019, "Internal Error" }, + { 0x0000001A, "No LDP Session" }, + { 0x0000001B, "Zero FT seqnum" }, + { 0x0000001C, "Unexpected TLV / Session Not FT" }, + { 0x0000001D, "Unexpected TLV / Label Not FT" }, + { 0x0000001E, "Missing FT Protection TLV" }, + { 0x0000001F, "FT ACK sequence error" }, + { 0x00000020, "Temporary Shutdown" }, + { 0x00000021, "FT Seq Numbers Exhausted" }, + { 0x00000022, "FT Session parameters / changed" }, + { 0x00000023, "Unexpected FT Cork TLV" }, + { 0x00000024, "Illegal C-Bit" }, + { 0x00000025, "Wrong C-Bit" }, + { 0x00000026, "Incompatible bit-rate" }, + { 0x00000027, "CEP-TDM mis-configuration" }, + { 0x00000028, "PW Status" }, + { 0x0000002A, "Generic Misconfiguration Error" }, + { 0x0000002B, "Label Withdraw PW Status Method Not Supported" }, + { 0x0000002C, "IP Address of CE" }, + { 0x0000002D, "Attachment Circuit bound to different remote Attachment Circuit" }, + { 0x0000002E, "Unsupported Capability" }, + { 0x0000002F, "End-of-LIB" }, + { 0x00000030, "Attachment Circuit bound to different PE" }, + { 0x00000031, "Invalid Topology ID" }, + { 0x00000032, "Transport Connection Mismatch" }, + { 0x00000033, "Dual-Stack Noncompliance" }, + { 0x00000034, "MRT Capability negotiated without MT Capability" }, + { 0x00000035, "VCCV Type Error" }, + { 0x00000037, "Bandwidth resources unavailable" }, + { 0x00000038, "Resources Unavailable" }, + { 0x00000039, "AII Unreachable" }, + { 0x0000003A, "PW Loop Detected" }, + { 0x0000003B, "Reject - unable to use the suggested tunnel/LSPs" }, + { 0x0000003C, "The C-bit or S-bit unknown" }, + { 0x00000040, "LDP MP status" }, + { 0x0000004A, "IP Address Type Mismatch" }, + { 0x0000004B, "Wrong IP Address Type" }, + { 0x0000004C, "Session Rejected/Targeted Application Capability Mismatch" }, + { 0x00010001, "Unknown ICCP RG" }, + { 0x00010002, "ICCP Connection Count Exceeded" }, + { 0x00010003, "ICCP Application Connection Count Exceeded" }, + { 0x00010004, "ICCP Application not in RG" }, + { 0x00010005, "Incompatible ICCP Protocol Version" }, + { 0x00010006, "ICCP Rejected Message" }, + { 0x00010007, "ICCP Administratively Disabled" }, + { 0x00010010, "ICCP RG Removed" }, + { 0x00010011, "ICCP Application Removed from RG" }, + { 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 Loose Node Error" }, + { 0x04000004, "Bad Initial ER-Hop Error" }, + { 0x04000005, "Resource Unavailable" }, + { 0x04000006, "Traffic Parameters Unavailable" }, + { 0x04000007, "LSP Preempted" }, + { 0x04000008, "Modify Request Not Supported" }, + { 0x04000009, "Invalid SNP ID" }, + { 0x0400000A, "Calling Party busy" }, + { 0x0400000B, "Unavailable SNP ID" }, + { 0x0400000C, "Invalid SNPP ID" }, + { 0x0400000D, "Unavailable SNPP ID" }, + { 0x0400000E, "Failed to create SNC" }, + { 0x0400000F, "Failed to establish LC" }, + { 0x04000010, "Invalid A End-User Name" }, + { 0x04000011, "Invalid Z End-User Name" }, + { 0x04000012, "Invalid CoS" }, + { 0x04000013, "Unavailable CoS" }, + { 0x04000014, "Invalid GoS" }, + { 0x04000015, "Unavailable GoS" }, + { 0x04000016, "Failed Security Check" }, + { 0x04000017, "TimeOut" }, + { 0x04000018, "Invalid Call Name" }, + { 0x04000019, "Failed to Release SNC" }, + { 0x0400001A, "Failed to Free LC" }, + { 0x20000000, "Unknown VPN ID" }, + { 0x20000001, "Illegal C-Bit" }, + { 0x20000002, "Wrong C-Bit" }, + { 0x20000003, "E-Tree VLAN mapping not supported" }, + { 0x20000004, "Leaf-to-Leaf PW released" }, + + {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 0x00000001 +#define PW_LAC_INGRESS_RECV_FAULT 0x00000002 +#define PW_LAC_EGRESS_TRANS_FAULT 0x00000004 +#define PW_PSN_PW_INGRESS_RECV_FAULT 0x00000008 +#define PW_PSN_PW_EGRESS_TRANS_FAULT 0x00000010 + +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; + guint32 pwid_len, agi_aii_len; + 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(pinfo->pool, 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(pinfo->pool, &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(pinfo->pool, 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(pinfo->pool, &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 TYPED_WILDCARD_FEC: + if ( rem < 8 ){/*not enough bytes for a minimal TYPED_WILDCARD_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 P2MP_PW_UPSTREAM_FEC: + { + /* Ref: RFC 4447 */ + if ( rem < 4 ){/*not enough bytes for a minimal TYPED_WILDCARD_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: + case MP2MP_FEC_UP: + case MP2MP_FEC_DOWN: + case HSMP_UPSTREAM: + case HSMP_DOWNSTREAM: + { + 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; + } + + case PWID_FEC_ELEMENT: + { + if (rem < 8 ){/*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, 8+tvb_get_guint8 (tvb, offset+3), + 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_pw_controlword, tvb, offset+1, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_pw_pwtype, tvb, offset+1, 2, ENC_BIG_ENDIAN); + proto_tree_add_item_ret_uint(fec_tree, hf_ldp_tlv_fec_pw_infolength, tvb, offset+3,1,ENC_BIG_ENDIAN, &pwid_len); + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_pw_groupid,tvb, offset +4, 4, ENC_BIG_ENDIAN); + rem -=8; + offset +=8; + + if ( (pwid_len > 3) && ( rem > 3 ) ) { /* there is enough room for pwid */ + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_pw_pwid,tvb, offset, 4, ENC_BIG_ENDIAN); + rem -=4; + offset +=4; + + } + + while ( (pwid_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 ( ((guint32)intparam_len > pwid_len) && (rem -intparam_len) <0 ) { /* error condition */ + proto_tree_add_expert(fec_tree, pinfo, &ei_ldp_malformed_data, tvb, offset +2, MIN(pwid_len,(guint32)rem)); + return; + } + dissect_subtlv_interface_parameters(tvb, offset, fec_tree, intparam_len, interface_params_header_fields); + + rem -= intparam_len; + pwid_len -= intparam_len; + offset += intparam_len; + } + + break; + } + + case GENERALIZED_PWID_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+3), + 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_pw_controlword, tvb, offset+1, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_pw_pwtype, tvb, offset+1, 2, ENC_BIG_ENDIAN); + proto_tree_add_item_ret_uint(fec_tree, hf_ldp_tlv_fec_pw_infolength, tvb, offset+3,1,ENC_BIG_ENDIAN, &pwid_len); + rem -= 4; + offset += 4; + if ( (pwid_len > 5) && ( rem > 5 ) ) { /* there is enough room for AGI/AII data */ + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_gen_agi_type,tvb, offset, 1, ENC_BIG_ENDIAN); + rem -= 1; + offset += 1; + proto_tree_add_item_ret_uint(fec_tree, hf_ldp_tlv_fec_gen_agi_length, tvb, offset,1,ENC_BIG_ENDIAN, &agi_aii_len); + rem -= 1; + offset += 1; + if ( agi_aii_len > 0) + { + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_gen_agi_value, tvb, offset, agi_aii_len , ENC_NA ); + rem -= agi_aii_len; + offset += agi_aii_len; + } + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_gen_saii_type,tvb, offset, 1, ENC_BIG_ENDIAN); + rem -= 1; + offset += 1; + proto_tree_add_item_ret_uint(fec_tree, hf_ldp_tlv_fec_gen_saii_length, tvb, offset,1,ENC_BIG_ENDIAN, &agi_aii_len); + rem -= 1; + offset += 1; + if ( agi_aii_len > 0) + { + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_gen_saii_value, tvb, offset, agi_aii_len , ENC_NA ); + rem -= agi_aii_len; + offset += agi_aii_len; + } + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_gen_taii_type,tvb, offset, 1, ENC_BIG_ENDIAN); + rem -= 1; + offset += 1; + proto_tree_add_item_ret_uint(fec_tree, hf_ldp_tlv_fec_gen_taii_length, tvb, offset,1,ENC_BIG_ENDIAN, &agi_aii_len); + rem -= 1; + offset += 1; + if ( agi_aii_len > 0) + { + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_gen_taii_value, tvb, offset, agi_aii_len , ENC_NA ); + rem -= agi_aii_len; + offset += agi_aii_len; + } + } + 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(pinfo->pool, 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(pinfo->pool, &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(pinfo->pool, 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; + + val_tree=proto_tree_add_subtree(tree, tvb, offset, rem, ett_ldp_tlv_val, NULL, "MAC addresses"); + + for(; rem >= 6; 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_RELAY_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_ENTROPY_LABEL_CAPA: + 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 Entropy Label Capability TLV: length is %d, should be 0", + length); + 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_PARAMS: +#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_SEQUENCE_NUMBER: + 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_PARAMS: + dissect_tlv_common_session_parms(tvb, pinfo, offset + 4, tlv_tree, length); + break; + + case TLV_ATM_SESSION_PARAMS: + dissect_tlv_atm_session_parms(tvb, pinfo, offset + 4, tlv_tree, length); + break; + + case TLV_FRAME_RELAY_SESSION_PARAMS: + 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_HOP: + dissect_tlv_er(tvb, pinfo, offset + 4, tlv_tree, length); + break; + + case TLV_IPV4_PREFIX_ER_HOP: + dissect_tlv_er_hop_ipv4(tvb, pinfo, offset + 4, tlv_tree, length); + break; + + case TLV_IPV6_PREFIX_ER_HOP: + dissect_tlv_er_hop_ipv6(tvb, pinfo, offset +4, tlv_tree, length); + break; + + case TLV_AUTONOMOUS_SYSTEM_NUMBER_ER_HOP: + dissect_tlv_er_hop_as(tvb, pinfo, offset + 4, tlv_tree, length); + break; + + case TLV_LSP_ID_ER_HOP: + dissect_tlv_er_hop_lspid(tvb, pinfo, offset +4, tlv_tree, length); + break; + + case TLV_TRAFFIC_PARAMS: + 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_DIFF_SERV: + dissect_tlv_diffserv(tvb, pinfo, offset +4, tlv_tree, length); + break; + + case TLV_HSMP_LSP_CAPA_PARAM: + dissect_tlv_upstrm_lbl_ass_cap(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_PARAMS: + { + /* 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_GROUP_ID: + { + /* Ref: RFC 4447 */ + dissect_tlv_pw_grouping(tvb, offset +4, tlv_tree, length); + break; + } + case TLV_LDP_UPSTREAM_LABEL_ASSIGNMENT_CAPA: + dissect_tlv_upstrm_lbl_ass_cap(tvb, pinfo, offset + 4, tlv_tree, length); + break; + case TLV_LDP_UPSTREAM_ASSIGNED_LABEL_REQUEST: + dissect_tlv_upstrm_ass_lbl_req(tvb, pinfo, offset + 4, tlv_tree, length); + break; + case TLV_LDP_UPSTREAM_ASSIGNED_LABEL: + 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_length_caplen(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_DEC_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_fec_pw_controlword, + { "C-bit", "ldp.msg.tlv.fec.pw.controlword", FT_BOOLEAN, 8, + TFS(&fec_vc_cbit), 0x80, "Control Word Present", HFILL }}, + + { &hf_ldp_tlv_fec_pw_pwtype, + { "PW Type", "ldp.msg.tlv.fec.pw.pwtype", FT_UINT16, BASE_HEX, + VALS(fec_vc_types_vals), 0x7FFF, "Virtual Circuit Type", HFILL }}, + + { &hf_ldp_tlv_fec_pw_infolength, + { "PW Info Length", "ldp.msg.tlv.fec.pw.infolength", FT_UINT8, BASE_DEC, + NULL, 0x0, "PW FEC Info Length", HFILL }}, + + { &hf_ldp_tlv_fec_pw_groupid, + { "Group ID", "ldp.msg.tlv.fec.pw.groupid", FT_UINT32, BASE_DEC, + NULL, 0x0, "PW FEC Group ID", HFILL }}, + + { &hf_ldp_tlv_fec_pw_pwid, + { "PW ID", "ldp.msg.tlv.fec.pw.pwid", FT_UINT32, BASE_DEC, + NULL, 0x0, "PW FEC PWID", 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)); + + ldp_handle = register_dissector("ldp", dissect_ldp, proto_ldp); + ldp_tcp_handle = register_dissector("ldp.tcp", dissect_ldp_tcp, proto_ldp); + + /* Register our configuration options for , particularly our port */ + + ldp_module = prefs_register_protocol(proto_ldp, NULL); + + 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) +{ + dissector_add_uint_with_preference("tcp.port", TCP_PORT_LDP, ldp_tcp_handle); + dissector_add_uint_with_preference("udp.port", UDP_PORT_LDP, ldp_handle); +} + +/* + * Editor modelines - https://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: + */ |