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|
/* packet-ldp.c
* Routines for LDP (RFC 3036) packet disassembly
*
* $Id: packet-ldp.c 42894 2012-05-29 07:45:40Z etxrab $
*
* 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
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1999 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include <epan/packet.h>
#include <epan/addr_resolv.h>
#include <epan/prefs.h>
#include <epan/afn.h>
#include <epan/emem.h>
#include "packet-frame.h"
#include "packet-diffserv-mpls-common.h"
#include "packet-ldp.h"
#define TCP_PORT_LDP 646
#define UDP_PORT_LDP 646
void proto_reg_handoff_ldp(void);
static int proto_ldp = -1;
/* Delete the following if you do not use it, or add to it if you need */
static int hf_ldp_req = -1;
static int hf_ldp_rsp = -1;
static int hf_ldp_version = -1;
static int hf_ldp_pdu_len = -1;
static int hf_ldp_lsr = -1;
static int hf_ldp_ls_id = -1;
static int hf_ldp_msg_ubit = -1;
static int hf_ldp_msg_type = -1;
static int hf_ldp_msg_len = -1;
static int hf_ldp_msg_id = -1;
static int hf_ldp_msg_vendor_id = -1;
static int hf_ldp_msg_experiment_id = -1;
static int hf_ldp_tlv_value = -1;
static int hf_ldp_tlv_type = -1;
static int hf_ldp_tlv_unknown = -1;
static int hf_ldp_tlv_len = -1;
static int hf_ldp_tlv_val_hold = -1;
static int hf_ldp_tlv_val_target = -1;
static int hf_ldp_tlv_val_request = -1;
static int hf_ldp_tlv_val_res = -1;
static int hf_ldp_tlv_ipv4_taddr = -1;
static int hf_ldp_tlv_config_seqno = -1;
static int hf_ldp_tlv_ipv6_taddr = -1;
static int hf_ldp_tlv_fec_wc = -1;
static int hf_ldp_tlv_fec_af = -1;
static int hf_ldp_tlv_fec_len = -1;
static int hf_ldp_tlv_fec_pfval = -1;
static int hf_ldp_tlv_fec_hoval = -1;
static int hf_ldp_tlv_addrl_addr_family = -1;
static int hf_ldp_tlv_addrl_addr = -1;
static int hf_ldp_tlv_hc_value = -1;
static int hf_ldp_tlv_pv_lsrid = -1;
static int hf_ldp_tlv_generic_label = -1;
static int hf_ldp_tlv_atm_label_vbits = -1;
static int hf_ldp_tlv_atm_label_vpi = -1;
static int hf_ldp_tlv_atm_label_vci = -1;
static int hf_ldp_tlv_fr_label_len = -1;
static int hf_ldp_tlv_fr_label_dlci = -1;
static int hf_ldp_tlv_ft_protect_sequence_num = -1;
static int hf_ldp_tlv_status_ebit = -1;
static int hf_ldp_tlv_status_fbit = -1;
static int hf_ldp_tlv_status_data = -1;
static int hf_ldp_tlv_status_msg_id = -1;
static int hf_ldp_tlv_status_msg_type = -1;
static int hf_ldp_tlv_extstatus_data = -1;
static int hf_ldp_tlv_returned_version = -1;
static int hf_ldp_tlv_returned_pdu_len = -1;
static int hf_ldp_tlv_returned_lsr = -1;
static int hf_ldp_tlv_returned_ls_id = -1;
static int hf_ldp_tlv_returned_msg_ubit = -1;
static int hf_ldp_tlv_returned_msg_type = -1;
static int hf_ldp_tlv_returned_msg_len = -1;
static int hf_ldp_tlv_returned_msg_id = -1;
static int hf_ldp_tlv_mac = -1;
static int hf_ldp_tlv_sess_ver = -1;
static int hf_ldp_tlv_sess_ka = -1;
static int hf_ldp_tlv_sess_advbit = -1;
static int hf_ldp_tlv_sess_ldetbit = -1;
static int hf_ldp_tlv_sess_pvlim = -1;
static int hf_ldp_tlv_sess_mxpdu = -1;
static int hf_ldp_tlv_sess_rxlsr = -1;
static int hf_ldp_tlv_sess_rxls = -1;
static int hf_ldp_tlv_sess_atm_merge = -1;
static int hf_ldp_tlv_sess_atm_lr = -1;
static int hf_ldp_tlv_sess_atm_dir = -1;
static int hf_ldp_tlv_sess_atm_minvpi = -1;
static int hf_ldp_tlv_sess_atm_maxvpi = -1;
static int hf_ldp_tlv_sess_atm_minvci = -1;
static int hf_ldp_tlv_sess_atm_maxvci = -1;
static int hf_ldp_tlv_sess_fr_merge = -1;
static int hf_ldp_tlv_sess_fr_lr = -1;
static int hf_ldp_tlv_sess_fr_dir = -1;
static int hf_ldp_tlv_sess_fr_len = -1;
static int hf_ldp_tlv_sess_fr_mindlci = -1;
static int hf_ldp_tlv_sess_fr_maxdlci = -1;
static int hf_ldp_tlv_ft_sess_flags = -1;
static int hf_ldp_tlv_ft_sess_flag_r = -1;
static int hf_ldp_tlv_ft_sess_flag_res = -1;
static int hf_ldp_tlv_ft_sess_flag_s = -1;
static int hf_ldp_tlv_ft_sess_flag_a = -1;
static int hf_ldp_tlv_ft_sess_flag_c = -1;
static int hf_ldp_tlv_ft_sess_flag_l = -1;
static int hf_ldp_tlv_ft_sess_res = -1;
static int hf_ldp_tlv_ft_sess_reconn_to = -1;
static int hf_ldp_tlv_ft_sess_recovery_time = -1;
static int hf_ldp_tlv_ft_ack_sequence_num = -1;
static int hf_ldp_tlv_lbl_req_msg_id = -1;
static int hf_ldp_tlv_vendor_id = -1;
static int hf_ldp_tlv_experiment_id = -1;
static int hf_ldp_tlv_fec_vc_controlword = -1;
static int hf_ldp_tlv_fec_vc_vctype = -1;
static int hf_ldp_tlv_fec_vc_infolength = -1;
static int hf_ldp_tlv_fec_vc_groupid = -1;
static int hf_ldp_tlv_fec_vc_vcid = -1;
static int hf_ldp_tlv_fec_vc_intparam_length = -1;
static int hf_ldp_tlv_fec_vc_intparam_mtu = -1;
static int hf_ldp_tlv_fec_vc_intparam_tdmbps = -1;
static int hf_ldp_tlv_fec_vc_intparam_id = -1;
static int hf_ldp_tlv_fec_vc_intparam_maxcatmcells = -1;
static int hf_ldp_tlv_fec_vc_intparam_desc = -1;
static int hf_ldp_tlv_fec_vc_intparam_cepbytes = -1;
static int hf_ldp_tlv_fec_vc_intparam_cepopt_ais = -1;
static int hf_ldp_tlv_fec_vc_intparam_cepopt_une = -1;
static int hf_ldp_tlv_fec_vc_intparam_cepopt_rtp = -1;
static int hf_ldp_tlv_fec_vc_intparam_cepopt_ebm = -1;
static int hf_ldp_tlv_fec_vc_intparam_cepopt_mah = -1;
static int hf_ldp_tlv_fec_vc_intparam_cepopt_res = -1;
static int hf_ldp_tlv_fec_vc_intparam_cepopt_ceptype = -1;
static int hf_ldp_tlv_fec_vc_intparam_cepopt_t3 = -1;
static int hf_ldp_tlv_fec_vc_intparam_cepopt_e3 = -1;
static int hf_ldp_tlv_fec_vc_intparam_vlanid = -1;
static int hf_ldp_tlv_fec_vc_intparam_dlcilen = -1;
static int hf_ldp_tlv_fec_vc_intparam_fcslen = -1;
static int hf_ldp_tlv_fec_vc_intparam_tdmopt_r = -1;
static int hf_ldp_tlv_fec_vc_intparam_tdmopt_d = -1;
static int hf_ldp_tlv_fec_vc_intparam_tdmopt_f = -1;
static int hf_ldp_tlv_fec_vc_intparam_tdmopt_res1 = -1;
static int hf_ldp_tlv_fec_vc_intparam_tdmopt_pt = -1;
static int hf_ldp_tlv_fec_vc_intparam_tdmopt_res2 = -1;
static int hf_ldp_tlv_fec_vc_intparam_tdmopt_freq = -1;
static int hf_ldp_tlv_fec_vc_intparam_tdmopt_ssrc = -1;
static int hf_ldp_tlv_fec_vc_intparam_vccv_cctype_cw = -1;
static int hf_ldp_tlv_fec_vc_intparam_vccv_cctype_mplsra = -1;
static int hf_ldp_tlv_fec_vc_intparam_vccv_cctype_ttl1 = -1;
static int hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_icmpping = -1;
static int hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_lspping = -1;
static int hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd1 = -1;
static int hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd2 = -1;
static int hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd3 = -1;
static int hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd4 = -1;
static int hf_ldp_tlv_fec_vc_intparam_flowlabel_t = -1; /* Flow label interface parameter RFC6391 */
static int hf_ldp_tlv_fec_vc_intparam_flowlabel_r = -1; /* Flow label interface parameter RFC6391 */
static int hf_ldp_tlv_fec_vc_intparam_flowlabel_res = -1; /* Flow label interface parameter RFC6391 */
static int hf_ldp_tlv_lspid_act_flg = -1;
static int hf_ldp_tlv_lspid_cr_lsp = -1;
static int hf_ldp_tlv_lspid_ldpid = -1;
static int hf_ldp_tlv_er_hop_loose = -1;
static int hf_ldp_tlv_er_hop_prelen = -1;
static int hf_ldp_tlv_er_hop_prefix4 = -1;
static int hf_ldp_tlv_er_hop_prefix6 = -1;
static int hf_ldp_tlv_er_hop_as = -1;
static int hf_ldp_tlv_er_hop_cr_lsp = -1;
static int hf_ldp_tlv_er_hop_ldpid = -1;
static int hf_ldp_tlv_flags_reserv = -1;
static int hf_ldp_tlv_flags_weight = -1;
static int hf_ldp_tlv_flags_ebs = -1;
static int hf_ldp_tlv_flags_cbs = -1;
static int hf_ldp_tlv_flags_cdr = -1;
static int hf_ldp_tlv_flags_pbs = -1;
static int hf_ldp_tlv_flags_pdr = -1;
static int hf_ldp_tlv_frequency = -1;
static int hf_ldp_tlv_pdr = -1;
static int hf_ldp_tlv_pbs = -1;
static int hf_ldp_tlv_cdr = -1;
static int hf_ldp_tlv_cbs = -1;
static int hf_ldp_tlv_ebs = -1;
static int hf_ldp_tlv_weight = -1;
static int hf_ldp_tlv_set_prio = -1;
static int hf_ldp_tlv_hold_prio = -1;
static int hf_ldp_tlv_route_pinning = -1;
static int hf_ldp_tlv_resource_class = -1;
static int hf_ldp_tlv_diffserv = -1;
static int hf_ldp_tlv_diffserv_type = -1;
static int hf_ldp_tlv_diffserv_mapnb = -1;
static int hf_ldp_tlv_diffserv_map = -1;
static int hf_ldp_tlv_diffserv_map_exp = -1;
static int hf_ldp_tlv_diffserv_phbid = -1;
static int hf_ldp_tlv_diffserv_phbid_dscp = -1;
static int hf_ldp_tlv_diffserv_phbid_code = -1;
static int hf_ldp_tlv_diffserv_phbid_bit14 = -1;
static int hf_ldp_tlv_diffserv_phbid_bit15 = -1;
static int hf_ldp_tlv_fec_gen_agi_type = -1;
static int hf_ldp_tlv_fec_gen_agi_length = -1;
static int hf_ldp_tlv_fec_gen_agi_value = -1;
static int hf_ldp_tlv_fec_gen_saii_type = -1;
static int hf_ldp_tlv_fec_gen_saii_length = -1;
static int hf_ldp_tlv_fec_gen_saii_value = -1;
static int hf_ldp_tlv_fec_gen_taii_type = -1;
static int hf_ldp_tlv_fec_gen_taii_length = -1;
static int hf_ldp_tlv_fec_gen_taii_value = -1;
static int hf_ldp_tlv_fec_gen_aai_globalid = -1;
static int hf_ldp_tlv_fec_gen_aai_prefix = -1;
static int hf_ldp_tlv_fec_gen_aai_ac_id = -1;
static int hf_ldp_tlv_pw_status_data = -1;
static int hf_ldp_tlv_pw_not_forwarding = -1;
static int hf_ldp_tlv_pw_lac_ingress_recv_fault = -1;
static int hf_ldp_tlv_pw_lac_egress_recv_fault = -1;
static int hf_ldp_tlv_pw_psn_pw_ingress_recv_fault = -1;
static int hf_ldp_tlv_pw_psn_pw_egress_recv_fault = -1;
static int hf_ldp_tlv_pw_grouping_value = -1;
static int hf_ldp_tlv_intparam_length = -1;
static int hf_ldp_tlv_intparam_mtu = -1;
static int hf_ldp_tlv_intparam_tdmbps = -1;
static int hf_ldp_tlv_intparam_id = -1;
static int hf_ldp_tlv_intparam_maxcatmcells = -1;
static int hf_ldp_tlv_intparam_desc = -1;
static int hf_ldp_tlv_intparam_cepbytes = -1;
static int hf_ldp_tlv_intparam_cepopt_ais = -1;
static int hf_ldp_tlv_intparam_cepopt_une = -1;
static int hf_ldp_tlv_intparam_cepopt_rtp = -1;
static int hf_ldp_tlv_intparam_cepopt_ebm = -1;
static int hf_ldp_tlv_intparam_cepopt_mah = -1;
static int hf_ldp_tlv_intparam_cepopt_res = -1;
static int hf_ldp_tlv_intparam_cepopt_ceptype = -1;
static int hf_ldp_tlv_intparam_cepopt_t3 = -1;
static int hf_ldp_tlv_intparam_cepopt_e3 = -1;
static int hf_ldp_tlv_intparam_vlanid = -1;
static int hf_ldp_tlv_intparam_dlcilen = -1;
static int hf_ldp_tlv_intparam_fcslen = -1;
static int hf_ldp_tlv_intparam_tdmopt_r = -1;
static int hf_ldp_tlv_intparam_tdmopt_d = -1;
static int hf_ldp_tlv_intparam_tdmopt_f = -1;
static int hf_ldp_tlv_intparam_tdmopt_res1 = -1;
static int hf_ldp_tlv_intparam_tdmopt_pt = -1;
static int hf_ldp_tlv_intparam_tdmopt_res2 = -1;
static int hf_ldp_tlv_intparam_tdmopt_freq = -1;
static int hf_ldp_tlv_intparam_tdmopt_ssrc = -1;
static int hf_ldp_tlv_intparam_vccv_cctype_cw = -1;
static int hf_ldp_tlv_intparam_vccv_cctype_mplsra = -1;
static int hf_ldp_tlv_intparam_vccv_cctype_ttl1 = -1;
static int hf_ldp_tlv_intparam_vccv_cvtype_icmpping = -1;
static int hf_ldp_tlv_intparam_vccv_cvtype_lspping = -1;
static int hf_ldp_tlv_intparam_vccv_cvtype_bfd = -1;
static int 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;
/* desegmentation of LDP over TCP */
static gboolean ldp_desegment = TRUE;
static guint32 global_ldp_tcp_port = TCP_PORT_LDP;
static guint32 global_ldp_udp_port = UDP_PORT_LDP;
/*
* The following define all the TLV types I know about
* http://www.iana.org/assignments/ldp-namespaces
*/
#define TLV_FEC 0x0100
#define TLV_ADDRESS_LIST 0x0101
#define TLV_HOP_COUNT 0x0103
#define TLV_PATH_VECTOR 0x0104
#define TLV_GENERIC_LABEL 0x0200
#define TLV_ATM_LABEL 0x0201
#define TLV_FRAME_LABEL 0x0202
#define TLV_FT_PROTECTION 0x0203
#define TLV_STATUS 0x0300
#define TLV_EXTENDED_STATUS 0x0301
#define TLV_RETURNED_PDU 0x0302
#define TLV_RETURNED_MESSAGE 0x0303
#define TLV_COMMON_HELLO_PARMS 0x0400
#define TLV_IPV4_TRANSPORT_ADDRESS 0x0401
#define TLV_CONFIGURATION_SEQNO 0x0402
#define TLV_IPV6_TRANSPORT_ADDRESS 0x0403
#define TLV_MAC 0x0404
#define TLV_COMMON_SESSION_PARMS 0x0500
#define TLV_ATM_SESSION_PARMS 0x0501
#define TLV_FRAME_RELAY_SESSION_PARMS 0x0502
#define TLV_FT_SESSION 0x0503
#define TLV_FT_ACK 0x0504
#define TLV_FT_CORK 0x0505
#define TLV_LABEL_REQUEST_MESSAGE_ID 0x0600 /* RFC5036 */
#define TLV_MTU 0x0601 /* RFC3988 */
#define TLV_ER 0x0800
#define TLV_ER_HOP_IPV4 0x0801
#define TLV_ER_HOP_IPV6 0x0802
#define TLV_ER_HOP_AS 0x0803
#define TLV_ER_HOP_LSPID 0x0804
#define TLV_TRAFFIC_PARAM 0x0810
#define TLV_PREEMPTION 0x0820
#define TLV_LSPID 0x0821
#define TLV_RESOURCE_CLASS 0x0822
#define TLV_ROUTE_PINNING 0x0823
/*
0x0824 Generalized Label Request TLV [RFC3472]
0x0825 Generalized Label TLV [RFC3472]
0x0826 Upstream Label TLV [RFC3472]
0x0827 Label Set TLV [RFC3472]
0x0828 Waveband Label TLV [RFC3472]
0x0829 ER-Hop TLV [RFC3472]
0x082a Acceptable Label Set TLV [RFC3472]
0x082b Admin Status TLV [RFC3472]
0x082c Interface ID TLV [RFC3472]
0x082d IPV4 Interface ID TLV [RFC3472]
0x082e IPV6 Interface ID TLV [RFC3472]
0x082f IPv4 IF_ID Status TLV [RFC3472]
0x0830 IPv6 IF_ID Status TLV [RFC3472]
0x0831 Op-Sp Call ID TLV [RFC3475]
0x0832 GU Call ID TLV [RFC3475]
0x0833 Call Capability TLV [RFC3475]
0x0834 Crankback TLV [RFC3475]
0x0835 Protection TLV [RFC3472]
0x0836 LSP_TUNNEL_INTERFACE_ID TLV [RFC3480]
0x0837 Unnumbered Interface ID TLV [RFC3480]
0x0838 SONET/SDH Traffic Parameters TLV [RFC4606]
*/
#define TLV_DIFFSERV 0x0901
#define TLV_VENDOR_PRIVATE_START 0x3E00
#define TLV_VENDOR_PRIVATE_END 0x3EFF
#define TLV_EXPERIMENTAL_START 0x3F00
#define TLV_EXPERIMENTAL_END 0x3FFF
#define TLV_PW_STATUS 0x096A
#define TLV_PW_INTERFACE_PARAMETERS 0x096B
#define TLV_PW_GROUPING 0x096C
static const value_string tlv_type_names[] = {
{ TLV_FEC, "Forwarding Equivalence Classes TLV" },
{ TLV_ADDRESS_LIST, "Address List TLV"},
{ TLV_HOP_COUNT, "Hop Count TLV"},
{ TLV_PATH_VECTOR, "Path Vector TLV"},
{ TLV_GENERIC_LABEL, "Generic Label TLV"},
{ TLV_ATM_LABEL, "ATM Label TLV"},
{ TLV_FRAME_LABEL, "Frame Label TLV"},
{ TLV_FT_PROTECTION, "FT Protection TLV"},
{ TLV_STATUS, "Status TLV"},
{ TLV_EXTENDED_STATUS, "Extended Status TLV"},
{ TLV_RETURNED_PDU, "Returned PDU TLV"},
{ TLV_RETURNED_MESSAGE, "Returned Message TLV"},
{ TLV_COMMON_HELLO_PARMS, "Common Hello Parameters TLV"},
{ TLV_IPV4_TRANSPORT_ADDRESS, "IPv4 Transport Address TLV"},
{ TLV_CONFIGURATION_SEQNO, "Configuration Sequence Number TLV"},
{ TLV_IPV6_TRANSPORT_ADDRESS, "IPv6 Transport Address TLV"},
{ TLV_MAC, "MAC TLV"},
{ TLV_COMMON_SESSION_PARMS, "Common Session Parameters TLV"},
{ TLV_ATM_SESSION_PARMS, "ATM Session Parameters TLV"},
{ TLV_FRAME_RELAY_SESSION_PARMS, "Frame Relay Session Parameters TLV"},
{ TLV_FT_SESSION, "FT Session TLV"},
{ TLV_FT_ACK, "FT ACK TLV"},
{ TLV_FT_CORK, "FT Cork TLV"},
{ TLV_LABEL_REQUEST_MESSAGE_ID, "Label Request Message ID TLV"},
{ TLV_MTU, "MTU TLV"},
{ TLV_LSPID, "LSP ID TLV"},
{ TLV_ER, "Explicit route TLV"},
{ TLV_ER_HOP_IPV4, "ER hop IPv4 prefix TLV"},
{ TLV_ER_HOP_IPV6, "ER hop IPv6 prefix TLV"},
{ TLV_ER_HOP_AS, "ER hop Autonomous system number prefix TLV"},
{ TLV_TRAFFIC_PARAM, "Traffic parameters TLV"},
{ TLV_PREEMPTION, "Preemption TLV"},
{ TLV_ER_HOP_LSPID, "ER hop LSPID prefix TLV"},
{ TLV_RESOURCE_CLASS, "Resource Class (Color) TLV"},
{ TLV_ROUTE_PINNING, "Route Pinning TLV"},
{ 0x0824, "Generalized Label Request TLV"}, /* RFC3472 */
{ 0x0825, "Generalized Label TLV"}, /* RFC3472 */
{ 0x0826, "Upstream Label TLV"}, /* RFC3472 */
{ 0x0827, "Label Set TLV"}, /* RFC3472 */
{ 0x0828, "Waveband Label TLV"}, /* RFC3472 */
{ 0x0829, "ER-Hop TLV"}, /* RFC3472 */
{ 0x082a, "Acceptable Label Set TLV"}, /* RFC3472 */
{ 0x082b, "Admin Status TLV"}, /* RFC3472 */
{ 0x082c, "Interface ID TLV"}, /* RFC3472 */
{ 0x082d, "IPV4 Interface ID TLV"}, /* RFC3472 */
{ 0x082e, "IPV6 Interface ID TLV"}, /* RFC3472 */
{ 0x082f, "IPv4 IF_ID Status TLV"}, /* RFC3472 */
{ 0x0830, "IPv6 IF_ID Status TLV"}, /* RFC3472 */
{ 0x0831, "Op-Sp Call ID TLV"}, /* RFC3475 */
{ 0x0832, "GU Call ID TLV"}, /* RFC3475 */
{ 0x0833, "Call Capability TLV"}, /* RFC3475 */
{ 0x0834, "Crankback TLV"}, /* RFC3475 */
{ 0x0835, "Protection TLV"}, /* RFC3472 */
{ 0x0836, "LSP_TUNNEL_INTERFACE_ID TLV"}, /* RFC3480 */
{ 0x0837, "Unnumbered Interface ID TLV"}, /* RFC3480 */
{ 0x0838, "SONET/SDH Traffic Parameters TLV"}, /* RFC4606]*/
{ 0x0960, "IPv4 Source ID TLV"}, /*[RFC3476]*/
{ 0x0961, "IPv6 Source ID TLV"}, /*[RFC3476]*/
{ 0x0962, "NSAP Source ID TLV"}, /*[RFC3476]*/
{ 0x0963, "IPv4 Destination ID TLV"}, /*[RFC3476]*/
{ 0x0964, "IPv6 Destination ID TLV"}, /*[RFC3476]*/
{ 0x0965, "NSAP Destination ID TLV"}, /*[RFC3476]*/
{ 0x0966, "Egress Label TLV"}, /*[RFC3476]*/
{ 0x0967, "Local Connection ID TLV"}, /*[RFC3476]*/
{ 0x0968, "Diversity TLV"}, /*[RFC3476]*/
{ 0x0969, "Contract ID TLV"}, /*[RFC3476]*/
{ TLV_PW_STATUS, "PW Status TLV"}, /*[RFC4447]*/
{ TLV_PW_INTERFACE_PARAMETERS, "PW Interface Parameters TLV"}, /*[RFC4447]*/
{ TLV_PW_GROUPING, "Group ID TLV"}, /*[RFC4447]*/
{ 0x096E, "Bandwidth TLV"}, /*[draft-ietf-pwe3-dynamic-ms-pw](TEMPORARY - Expires 2008-11-21)*/
{ 0x0970, "UNI Service Level TLV"}, /*[RFC3476]*/
{ TLV_DIFFSERV, "Diff-Serv TLV"},
{ TLV_VENDOR_PRIVATE_START, "Vendor Private TLV"},
{ TLV_EXPERIMENTAL_START, "Experimental TLV"},
{ 0, NULL}
};
/*
* The following define all the message types I know about
*/
#define LDP_NOTIFICATION 0x0001
#define LDP_HELLO 0x0100
#define LDP_INITIALIZATION 0x0200
#define LDP_KEEPALIVE 0x0201
#define LDP_ADDRESS 0x0300
#define LDP_ADDRESS_WITHDRAWAL 0x0301
#define LDP_LABEL_MAPPING 0x0400
#define LDP_LABEL_REQUEST 0x0401
#define LDP_LABEL_WITHDRAWAL 0x0402
#define LDP_LABEL_RELEASE 0x0403
#define LDP_LABEL_ABORT_REQUEST 0x0404
#define LDP_VENDOR_PRIVATE_START 0x3E00
#define LDP_VENDOR_PRIVATE_END 0x3EFF
#define LDP_EXPERIMENTAL_MESSAGE_START 0x3F00
#define LDP_EXPERIMENTAL_MESSAGE_END 0x3FFF
static const value_string ldp_message_types[] = {
{LDP_NOTIFICATION, "Notification Message"},
{LDP_HELLO, "Hello Message"},
{LDP_INITIALIZATION, "Initialization Message"},
{LDP_KEEPALIVE, "Keep Alive Message"},
{LDP_ADDRESS, "Address Message"},
{LDP_ADDRESS_WITHDRAWAL, "Address Withdrawal Message"},
{LDP_LABEL_MAPPING, "Label Mapping Message"},
{LDP_LABEL_REQUEST, "Label Request Message"},
{LDP_LABEL_WITHDRAWAL, "Label Withdrawal Message"},
{LDP_LABEL_RELEASE, "Label Release Message"},
{LDP_LABEL_ABORT_REQUEST, "Label Abort Request Message"},
{LDP_VENDOR_PRIVATE_START, "Vendor-Private Message"},
{LDP_EXPERIMENTAL_MESSAGE_START, "Experimental Message"},
{0, NULL}
};
static const true_false_string ldp_message_ubit = {
"Unknown bit set",
"Unknown bit not set"
};
static const true_false_string hello_targeted_vals = {
"Targeted Hello",
"Link Hello"
};
static const value_string tlv_unknown_vals[] = {
{0, "Known TLV, do not Forward"},
{1, "Known TLV, do Forward"},
{2, "Unknown TLV, do not Forward"},
{3, "Unknown TLV, do Forward"},
{0, NULL}
};
#define WILDCARD_FEC 1
#define PREFIX_FEC 2
#define HOST_FEC 3
#define CRLSP_FEC 4
#define VC_FEC 0x80 /* draft-martini-l2circuit-trans-mpls */
#define GEN_FEC 0x81
static const value_string fec_types[] = {
{WILDCARD_FEC, "Wildcard FEC"},
{PREFIX_FEC, "Prefix FEC"},
{HOST_FEC, "Host Address FEC"},
{CRLSP_FEC, "CR LSP FEC"},
{VC_FEC, "Virtual Circuit FEC"},
{GEN_FEC, "Generalized PWid FEC"},
{0, NULL}
};
const value_string fec_vc_types_vals[] = {
{0x0001, "Frame Relay DLCI"},
{0x0002, "ATM AAL5 SDU VCC transport"},
{0x0003, "ATM transparent cell transport"},
{0x0004, "Ethernet VLAN"},
{0x0005, "Ethernet"},
{0x0006, "HDLC"},
{0x0007, "PPP"},
{0x0008, "SONET/SDH Circuit Emulation Service"},
{0x0009, "ATM n-to-one VCC cell transport"},
{0x000A, "ATM n-to-one VPC cell transport"},
{0x000B, "IP layer2 transport"},
{0x000C, "ATM one-to-one VCC Cell Mode"},
{0x000D, "ATM one-to-one VPC Cell Mode"},
{0x000E, "ATM AAL5 PDU VCC transport"},
{0x000F, "Frame-Relay Port mode"},
{0x0010, "SONET/SDH Circuit Emulation over Packet"},
{0x0011, "Structure-agnostic E1 over Packet"},
{0x0012, "Structure-agnostic T1 (DS1) over Packet"},
{0x0013, "Structure-agnostic E3 over Packet"},
{0x0014, "Structure-agnostic T3 (DS3) over Packet"},
{0x0015, "CESoPSN basic mode"},
{0x0016, "TDMoIP basic mode"},
{0x0017, "CESoPSN TDM with CAS"},
{0x0018, "TDMoIP TDM with CAS"},
{0, NULL}
};
static const value_string fec_vc_ceptype_vals[] = {
{0, "SPE mode (STS-1/STS-Mc)"},
{1, "VT mode (VT1.5/VT2/VT3/VT6)"},
{2, "Fractional SPE (STS-1/VC-3/VC-4)"},
{0, NULL}
};
static const true_false_string fec_vc_tdmopt_r = {
"Expects to receive RTP Header",
"Does not expect to receive RTP Header"
};
static const true_false_string fec_vc_tdmopt_d = {
"Expects the peer to use Differential timestamping",
"Does not expect the peer to use Differential timestamping"
};
static const true_false_string fec_vc_tdmopt_f = {
"Expects TDMoIP encapsulation",
"Expects CESoPSN encapsulation"
};
#define FEC_VC_INTERFACEPARAM_MTU 0x01
#define FEC_VC_INTERFACEPARAM_MAXCATMCELLS 0x02
#define FEC_VC_INTERFACEPARAM_DESCRIPTION 0x03
#define FEC_VC_INTERFACEPARAM_CEPBYTES 0x04
#define FEC_VC_INTERFACEPARAM_CEPOPTIONS 0x05
#define FEC_VC_INTERFACEPARAM_VLANID 0x06
#define FEC_VC_INTERFACEPARAM_TDMBPS 0x07
#define FEC_VC_INTERFACEPARAM_FRDLCILEN 0x08
#define FEC_VC_INTERFACEPARAM_FRAGIND 0x09
#define FEC_VC_INTERFACEPARAM_FCSRETENT 0x0A
#define FEC_VC_INTERFACEPARAM_TDMOPTION 0x0B
#define FEC_VC_INTERFACEPARAM_VCCV 0x0C
#define FEC_VC_INTERFACEPARAM_FLOWLABEL 0x17
static const value_string fec_vc_interfaceparm[] = {
{FEC_VC_INTERFACEPARAM_MTU, "MTU"},
{FEC_VC_INTERFACEPARAM_MAXCATMCELLS, "Max Concatenated ATM cells"},
{FEC_VC_INTERFACEPARAM_DESCRIPTION, "Interface Description"},
{FEC_VC_INTERFACEPARAM_CEPBYTES, "CEP/TDM Payload Bytes"},
{FEC_VC_INTERFACEPARAM_CEPOPTIONS, "CEP options"},
{FEC_VC_INTERFACEPARAM_VLANID, "Requested VLAN ID"},
{FEC_VC_INTERFACEPARAM_TDMBPS, "CEP/TDM bit-rate"},
{FEC_VC_INTERFACEPARAM_FRDLCILEN, "Frame-Relay DLCI Length"},
{FEC_VC_INTERFACEPARAM_FRAGIND, "Fragmentation indicator"},
{FEC_VC_INTERFACEPARAM_FCSRETENT, "FCS retention indicator"},
{FEC_VC_INTERFACEPARAM_TDMOPTION, "TDM options"},
{FEC_VC_INTERFACEPARAM_VCCV, "VCCV"},
{FEC_VC_INTERFACEPARAM_FLOWLABEL, "Flow Label"},
{0, NULL},
};
static const true_false_string fec_vc_cbit = {
"Control Word Present",
"Control Word NOT Present"
};
static const true_false_string fec_vc_ = {
"Control Word Present",
"Control Word NOT Present"
};
static const value_string tlv_atm_merge_vals[] = {
{0, "Merge not supported"},
{1, "VP merge supported"},
{2, "VC merge supported"},
{3, "VP & VC merge supported"},
{0, NULL}
};
static const value_string tlv_atm_vbits_vals[] = {
{0, "VPI & VCI Significant"},
{1, "Only VPI Significant"},
{2, "Only VCI Significant"},
{3, "VPI & VCI not Significant, nonsense"},
{0, NULL}
};
static const value_string tlv_fr_merge_vals[] = {
{0, "Merge not supported"},
{1, "Merge supported"},
{2, "Unspecified"},
{3, "Unspecified"},
{0, NULL}
};
static const value_string tlv_fr_len_vals[] = {
{0, "10 bits"},
{1, "Reserved"},
{2, "23 bits"},
{3, "Reserved"},
{0, NULL}
};
static const value_string tlv_ft_flags[] = {
{ 0, "Invalid"},
{ 1, "Using LDP Graceful Restart"},
{ 2, "Check-Pointing of all labels"},
{ 3, "Invalid"},
{ 4, "Invalid"},
{ 5, "Invalid"},
{ 6, "Check-Pointing of all labels"},
{ 7, "Invalid"},
{ 8, "Full FT on selected labels"},
{ 9, "Invalid"},
{10, "Full FT on selected labels"},
{11, "Invalid"},
{12, "Full FT on all labels"},
{13, "Invalid"},
{14, "Full FT on all labels"},
{15, "Invalid"},
{0, NULL}
};
static const true_false_string tlv_ft_r = {
"LSR has preserved state and resources for all FT-Labels",
"LSR has not preserved state and resources for all FT-Labels"
};
static const true_false_string tlv_ft_s = {
"FT Protection TLV supported on other than KeepAlive",
"FT Protection TLV not supported on other than KeepAlive"
};
static const true_false_string tlv_ft_a = {
"Treat all labels as Sequence Numbered FT Labels",
"May treat some labels as FT and others as non-FT"
};
static const true_false_string tlv_ft_c = {
"Check-Pointing procedures in use",
"Check-Pointing procedures not in use"
};
static const true_false_string tlv_ft_l = {
"Re-learn the state from the network",
"Do not re-learn the state from the network"
};
static const value_string ldp_act_flg_vals[] = {
{0, "indicates initial LSP setup"},
{1, "indicates modify LSP"},
{0, NULL}
};
static const value_string route_pinning_vals[] = {
{0, "route pinning is not requested"},
{1, "route pinning is requested"},
{0, NULL}
};
static const value_string diffserv_type_vals[] = {
{0, "E-LSP"},
{1, "L-LSP"},
{0, NULL}
};
static const value_string ldp_loose_vals[] = {
{0, "strict hop"},
{1, "loose hop"},
{0, NULL}
};
static const true_false_string tlv_negotiable = {
"Negotiable",
"Not negotiable"
};
static const value_string freq_values[] = {
{0, "Unspecified"},
{1, "Frequent"},
{2, "VeryFrequent"},
{0, NULL}
};
static const true_false_string tlv_atm_dirbit = {
"Bidirectional capability",
"Unidirectional capability"
};
static const true_false_string hello_requested_vals = {
"Source requests periodic hellos",
"Source does not request periodic hellos"
};
static const true_false_string tlv_sess_advbit_vals = {
"Downstream On Demand proposed",
"Downstream Unsolicited proposed"
};
static const true_false_string tlv_sess_ldetbit_vals = {
"Loop Detection Enabled",
"Loop Detection Disabled"
};
static const true_false_string tlv_status_ebit = {
"Fatal Error Notification",
"Advisory Notification"
};
static const true_false_string tlv_status_fbit = {
"Notification should be Forwarded",
"Notification should NOT be Forwarded"
};
static const value_string tlv_status_data[] = {
{ 0, "Success"},
{ 1, "Bad LDP Identifier"},
{ 2, "Bad Protocol Version"},
{ 3, "Bad PDU Length"},
{ 4, "Unknown Message Type"},
{ 5, "Bad Message Length"},
{ 6, "Unknown TLV"},
{ 7, "Bad TLV Length"},
{ 8, "Malformed TLV Value"},
{ 9, "Hold Timer Expired"},
{10, "Shutdown"},
{11, "Loop Detected"},
{12, "Unknown FEC"},
{13, "No Route"},
{14, "No Label Resources"},
{15, "Label Resources / Available"},
{16, "Session Rejected / No Hello"},
{17, "Session Rejected / Parameters Advertisement Mode"},
{18, "Session Rejected / Parameters Max PDU Length"},
{19, "Session Rejected / Parameters Label Range"},
{20, "KeepAlive Timer Expired"},
{21, "Label Request Aborted"},
{22, "Missing Message Parameters"},
{23, "Unsupported Address Family"},
{24, "Session Rejected / Bad KeepAlive Time"},
{25, "Internal Error"},
{26, "No LDP Session"},
{27, "Zero FT seqnum"},
{28, "Unexpected TLV / Session Not FT"},
{29, "Unexpected TLV / Label Not FT"},
{30, "Missing FT Protection TLV"},
{31, "FT ACK sequence error"},
{32, "Temporary Shutdown"},
{33, "FT Seq Numbers Exhausted"},
{34, "FT Session parameters / changed"},
{35, "Unexpected FT Cork TLV"},
{0x01000001, "Unexpected Diff-Serv TLV"},
{0x01000002, "Unsupported PHB"},
{0x01000003, "Invalid EXP<->PHB Mapping"},
{0x01000004, "Unsupported PSC"},
{0x01000005, "Per-LSP context allocation failure"},
{0x04000001, "Bad Explicit Routing TLV Error"},
{0x04000002, "Bad Strict Node Error"},
{0x04000003, "Bad Strict Node Error"},
{0x04000004, "Bad Initial ER-Hop Error"},
{0x04000005, "Resource Unavailable"},
{0x04000006, "Traffic Parameters Unavailable"},
{0x04000007, "LSP Preempted"},
{0x04000008, "Modify Request Not Supported"},
{0x20000001, "Illegal C-Bit"},
{0x20000002, "Wrong C-Bit"},
{0x00000028, "PW status"},
{0, NULL}
};
#define PW_NOT_FORWARDING 0x1
#define PW_LAC_INGRESS_RECV_FAULT 0x2
#define PW_LAC_EGRESS_TRANS_FAULT 0x4
#define PW_PSN_PW_INGRESS_RECV_FAULT 0x8
#define PW_PSN_PW_EGRESS_TRANS_FAULT 0x10
/* Define storage class for a string handler function
* with a const guint8 * argument, and returning a const gchar *
*/
typedef const gchar *(string_handler_func)(const guint8 *);
/* Default handler for address to string conversion */
static const gchar *
default_str_handler(const guint8 * bytes _U_)
{
return "<Support for this Address Family not implemented>";
}
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, guint offset, proto_tree *tree, int rem);
/* Dissect FEC TLV */
static void
dissect_tlv_fec(tvbuff_t *tvb, 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, *val_tree, *fec_tree=NULL;
proto_tree *agi_tree=NULL, *saii_tree=NULL, *taii_tree=NULL;
guint16 family, ix=1, ax;
guint8 addr_size=0, *addr, implemented, prefix_len_octets, prefix_len, host_len, vc_len;
guint8 intparam_len, aai_type = 0;
string_handler_func *str_handler = default_str_handler;
const char *str;
guint8 gen_fec_id_len = 0;
ti=proto_tree_add_text(tree, tvb, offset, rem, "FEC Elements");
val_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val);
while (rem > 0){
switch (tvb_get_guint8(tvb, offset)) {
case WILDCARD_FEC:
case CRLSP_FEC:
ti = proto_tree_add_text(val_tree, tvb, offset, 1, "FEC Element %u", ix);
fec_tree = proto_item_add_subtree(ti, ett_ldp_fec);
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_text(val_tree, 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;
str_handler=ip_to_str;
break;
case AFNUM_INET6: /*IPv6*/
addr_size=16;
str_handler = (string_handler_func *) ip6_to_str;
break;
default:
implemented=0;
break;
}
if ( !implemented ) {
guint16 noctets;
noctets= rem>4+prefix_len_octets?4+prefix_len_octets:rem;
proto_tree_add_text(val_tree, tvb, offset, noctets,"Support for Address Family not implemented");
offset+=noctets;
rem-=noctets;
break;
}
if ( rem < 4+MIN(addr_size, prefix_len_octets) ){
proto_tree_add_text(val_tree, tvb, offset, rem, "Error in FEC Element %u", ix);
return;
}
/*Add a subtree for this*/
ti = proto_tree_add_text(val_tree, tvb, offset, 4+MIN(addr_size, prefix_len_octets), "FEC Element %u", ix);
fec_tree = proto_item_add_subtree(ti, ett_ldp_fec);
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;
if ( addr_size < prefix_len_octets) {
offset+=addr_size;
rem-=addr_size;
proto_tree_add_text(fec_tree, tvb, offset-1, 1,
"Invalid prefix %u length for family %s",
prefix_len, val_to_str(family, afn_vals, "Unknown Family"));
break;
}
addr=ep_alloc0(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));
str = str_handler((const guint8 *)addr);
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_text(val_tree, 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;
str_handler=ip_to_str;
break;
case AFNUM_INET6: /*IPv6*/
addr_size=16;
str_handler = (string_handler_func *) ip6_to_str;
break;
default:
implemented=0;
break;
}
if ( !implemented ) {
guint16 noctets;
noctets= rem>4+host_len?4+host_len:rem;
proto_tree_add_text(val_tree, tvb, offset, noctets,"Support for Address Family not implemented");
offset+=noctets;
rem-=noctets;
break;
}
if ( rem < 4+addr_size ){
proto_tree_add_text(val_tree, tvb, offset, rem, "Error in FEC Element %u", ix);
return;
}
/*Add a subtree for this*/
ti = proto_tree_add_text(val_tree, tvb, offset, 4+addr_size, "FEC Element %u", ix);
fec_tree = proto_item_add_subtree(ti, ett_ldp_fec);
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;
if ( addr_size != host_len) {
offset+=addr_size;
rem-=addr_size;
proto_tree_add_text(fec_tree, tvb, offset-1, 1,
"Invalid address length %u length for family %s",
host_len, val_to_str(family, afn_vals, "Unknown Family"));
break;
}
addr=ep_alloc0(addr_size);
for(ax=0; ax+1 <= host_len; ax++)
addr[ax]=tvb_get_guint8(tvb, offset+ax);
str = str_handler((const guint8 *)addr);
proto_tree_add_string_format(fec_tree, hf_ldp_tlv_fec_hoval, tvb, offset, host_len,
str, "Address: %s", str);
offset += host_len;
rem -= 4+host_len;
break;
case VC_FEC:
if ( rem < 8 ){/*not enough bytes for a minimal VC_FEC*/
proto_tree_add_text(val_tree, tvb, offset, rem, "Error in FEC Element %u", ix);
return;
}
vc_len = tvb_get_guint8 (tvb, offset+3);
ti = proto_tree_add_text(val_tree, tvb, offset, 8+vc_len, "FEC Element %u", ix);
fec_tree = proto_item_add_subtree(ti, ett_ldp_fec);
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);
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 {
proto_tree_add_text(val_tree,tvb,offset +4, 8 +vc_len, "VC FEC size format error");
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_text(fec_tree, tvb, offset +1, 1, "Malformed interface parameter");
return;
}
if ( (vc_len -intparam_len) <0 && (rem -intparam_len) <0 ) { /* error condition */
proto_tree_add_text(fec_tree, tvb, offset +2, MIN(vc_len,rem), "Malformed data");
return;
}
dissect_subtlv_interface_parameters(tvb, offset, fec_tree, intparam_len, interface_params_header_fields);
rem -= intparam_len;
vc_len -= intparam_len;
offset += intparam_len;
}
break;
case GEN_FEC:
{
/* Ref: RFC 4447 */
if ( rem < 4 ){/*not enough bytes for a minimal VC_FEC*/
proto_tree_add_text(val_tree, tvb, offset, rem, "Error in FEC Element %u", ix);
return;
}
vc_len = tvb_get_guint8 (tvb, offset+3);
/* Add the FEC to the tree */
ti = proto_tree_add_text(val_tree, tvb, offset, 8+vc_len, "FEC Element %u", ix);
fec_tree = proto_item_add_subtree(ti, ett_ldp_fec);
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 */
ti = proto_tree_add_text(fec_tree, tvb, offset, 2 + gen_fec_id_len, "AGI");
agi_tree = proto_item_add_subtree(ti, ett_ldp_gen_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_text(fec_tree ,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_text(fec_tree,tvb,offset , 2 + gen_fec_id_len, "Generalized FEC: SAII size format error");
}
else
{
ti = proto_tree_add_text(fec_tree, tvb, offset, 2 + gen_fec_id_len, "SAII");
saii_tree = proto_item_add_subtree(ti, ett_ldp_gen_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, 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_text(fec_tree,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_text(fec_tree,tvb,offset , 2 + gen_fec_id_len, "Generalized FEC: TAII size format error");
}
else
{
ti = proto_tree_add_text(fec_tree, tvb, offset, 2 + gen_fec_id_len, "TAII");
taii_tree = proto_item_add_subtree(ti, ett_ldp_gen_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, 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_text(fec_tree,tvb,offset , 2 +vc_len, "Generalized FEC: TAII size format error");
return;
}
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 */
ti = proto_tree_add_text(val_tree, tvb, offset, 4, "FEC Element %u", ix);
fec_tree = proto_item_add_subtree(ti, ett_ldp_fec);
proto_tree_add_text(fec_tree, tvb, offset, rem, "Unknown FEC TLV type");
return;
}
ix++;
}
}
/* Dissect Address List TLV */
static void
dissect_tlv_address_list(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
guint16 family, ix;
guint8 addr_size, *addr;
string_handler_func *str_handler = default_str_handler;
const char *str;
if ( rem < 2 ) {
proto_tree_add_text(tree, 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;
str_handler=ip_to_str;
break;
case AFNUM_INET6: /*IPv6*/
addr_size=16;
str_handler = (string_handler_func *) ip6_to_str;
break;
default:
proto_tree_add_text(tree, tvb, offset+2, rem-2,
"Support for Address Family not implemented");
return;
}
offset+=2; rem-=2;
ti=proto_tree_add_text(tree, tvb, offset, rem, "Addresses");
val_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val);
addr=ep_alloc(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;
str = str_handler((const guint8 *)addr);
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_text(val_tree, 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, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
guint8 ix;
guint32 addr;
ti=proto_tree_add_text(tree, tvb, offset, rem, "LSR IDs");
val_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val);
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,
ip_to_str((guint8 *)&addr));
}
if (rem)
proto_tree_add_text(val_tree, 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, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
guint16 id;
if (rem != 4){
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing ATM Label TLV: length is %d, should be 4",
rem);
return;
}
ti=proto_tree_add_text(tree, tvb, offset, rem, "ATM Label");
val_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val);
proto_tree_add_item(val_tree, hf_ldp_tlv_atm_label_vbits, tvb, offset, 1, ENC_BIG_ENDIAN);
id=tvb_get_ntohs(tvb, offset)&0x0FFF;
proto_tree_add_uint_format(val_tree, hf_ldp_tlv_atm_label_vpi, tvb, offset, 2, id, "VPI: %u", id);
id=tvb_get_ntohs(tvb, offset+2);
proto_tree_add_uint_format(val_tree, hf_ldp_tlv_atm_label_vci, tvb, offset+2, 2, id, "VCI: %u", id);
}
/* Dissect FRAME RELAY Label TLV */
static void
dissect_tlv_frame_label(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
guint8 len;
guint32 id;
if (rem != 4){
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing Frame Relay Label TLV: length is %d, should be 4",
rem);
return;
}
ti=proto_tree_add_text(tree, tvb, offset, rem, "Frame Relay Label");
val_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val);
len=(guint8)(tvb_get_ntohs(tvb, offset)>>7) & 0x03;
proto_tree_add_uint_format(val_tree, hf_ldp_tlv_fr_label_len, tvb, offset, 2, len,
"Number of DLCI bits: %s (%u)", val_to_str(len, tlv_fr_len_vals, "Unknown Length"), len);
id=tvb_get_ntoh24(tvb, offset+1)&0x7FFFFF;
proto_tree_add_uint_format(val_tree,
hf_ldp_tlv_fr_label_dlci, tvb, offset+1, 3, id, "DLCI: %u", id);
}
/* Dissect STATUS TLV */
static void
dissect_tlv_status(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
guint32 data;
if (rem != 10){
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing Status TLV: length is %d, should be 10",
rem);
return;
}
ti=proto_tree_add_text(tree, tvb, offset, rem, "Status");
val_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val);
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(val_tree, hf_ldp_tlv_status_data, tvb, offset, 4,
data, "Status Data: %s (0x%X)", val_to_str(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, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
if (rem < 10){
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing Returned PDU TLV: length is %d, should be >= 10",
rem);
return;
}
ti=proto_tree_add_text(tree, tvb, offset, rem, "Returned PDU");
val_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val);
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_text(val_tree, tvb, offset, rem, "Returned PDU Data");
}
}
/* Dissect Returned MESSAGE TLV */
static void
dissect_tlv_returned_message(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
guint16 type;
if (rem < 4) {
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing Returned Message TLV: length is %d, should be >= 4",
rem);
return;
}
ti=proto_tree_add_text(tree, tvb, offset, rem, "Returned Message");
val_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val);
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(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_text(val_tree, tvb, offset, rem, "Returned Message Parameters");
}
}
/* Dissect the common hello params */
static void
#if 0
dissect_tlv_common_hello_parms(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem)
#else
dissect_tlv_common_hello_parms(tvbuff_t *tvb, guint offset, proto_tree *tree)
#endif
{
#if 0
proto_tree *ti;
#endif
proto_tree *val_tree;
#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);
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, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
guint8 ix;
ti = proto_tree_add_text(tree, tvb, offset, rem, "MAC addresses");
val_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val);
for(ix=1; rem >= 6; ix++, offset += 6, rem -= 6) {
proto_tree_add_item(val_tree, hf_ldp_tlv_mac, tvb, offset, 6, ENC_NA);
}
if (rem)
proto_tree_add_text(val_tree, 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, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
if ( rem != 14) { /*length of Comm Sess Parms tlv*/
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing Common Session Parameters TLV: length is %d, should be 14",
rem);
return;
}
ti = proto_tree_add_text(tree, tvb, offset, rem, "Parameters");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
/*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, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree, *lbl_tree;
guint8 numlr, ix;
guint16 id;
if (rem < 4) {
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing ATM Parameters TLV: length is %d, should be >= 4",
rem);
return;
}
ti = proto_tree_add_text(tree, tvb, offset, rem,"ATM Parameters");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
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;
ti = proto_tree_add_text(val_tree, tvb, offset, rem,"ATM Label Range Components");
if (numlr) {
val_tree=proto_item_add_subtree(ti,ett_ldp_tlv_val);
if ( ! val_tree ) return;
}
/*now dissect ranges*/
for(ix=1; numlr > 0 && rem >= 8; ix++, rem-=8, numlr--) {
ti=proto_tree_add_text(val_tree, tvb, offset, 8,
"ATM Label Range Component %u", ix);
lbl_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val);
id=tvb_get_ntohs(tvb, offset)&0x0FFF;
proto_tree_add_uint_format(lbl_tree,
hf_ldp_tlv_sess_atm_minvpi,
tvb, offset, 2,
id, "Minimum VPI: %u", id);
id=tvb_get_ntohs(tvb, offset+4)&0x0FFF;
proto_tree_add_uint_format(lbl_tree,
hf_ldp_tlv_sess_atm_maxvpi,
tvb, (offset+4), 2, id,
"Maximum VPI: %u", id);
id=tvb_get_ntohs(tvb, offset+2);
proto_tree_add_uint_format(lbl_tree,
hf_ldp_tlv_sess_atm_minvci,
tvb, offset+2, 2,
id, "Minimum VCI: %u", id);
id=tvb_get_ntohs(tvb, offset+6);
proto_tree_add_uint_format(lbl_tree,
hf_ldp_tlv_sess_atm_maxvci,
tvb, offset+6, 2,
id, "Maximum VCI: %u", id);
offset += 8;
}
if( rem || numlr)
proto_tree_add_text(val_tree, 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, guint offset,proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree, *lbl_tree;
guint8 numlr, ix, len;
guint32 id;
if(rem < 4) {
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing Frame Relay Parameters TLV: length is %d, should be >= 4",
rem);
return;
}
ti = proto_tree_add_text(tree, tvb, offset, rem, "Frame Relay Parameters");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
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;
ti = proto_tree_add_text(val_tree, tvb, offset, rem,
"Frame Relay Label Range Components");
if(numlr) {
val_tree=proto_item_add_subtree(ti,
ett_ldp_tlv_val);
if( ! val_tree ) return;
}
/*now dissect ranges*/
for(ix=1; numlr > 0 && rem >= 8; ix++, rem-=8, numlr--) {
ti=proto_tree_add_text(val_tree, tvb, offset, 8,
"Frame Relay Label Range Component %u", ix);
lbl_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val);
len=(guint8)(tvb_get_ntohs(tvb, offset)>>7) & 0x03;
proto_tree_add_uint_format(lbl_tree, hf_ldp_tlv_sess_fr_len, tvb, offset, 2, len,
"Number of DLCI bits: %s (%u)", val_to_str(len, tlv_fr_len_vals, "Unknown Length"), len);
id=tvb_get_ntoh24(tvb, offset+1)&0x7FFFFF;
proto_tree_add_uint_format(lbl_tree,
hf_ldp_tlv_sess_fr_mindlci, tvb, offset+1, 3, id, "Minimum DLCI %u", id);
id=tvb_get_ntoh24(tvb, offset+5)&0x7FFFFF;
proto_tree_add_uint_format(lbl_tree,
hf_ldp_tlv_sess_fr_maxdlci, tvb, offset+5, 3, id, "Maximum DLCI %u", id);
offset += 8;
}
if( rem || numlr)
proto_tree_add_text(val_tree, 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, 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_text(tree, tvb, offset, rem,
"Error processing FT Session TLV: length is %d, should be 12",
rem);
return;
}
ti = proto_tree_add_text(tree, tvb, offset, rem, "FT Session Parameters");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
/* 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(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, guint offset,proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
if(rem != 8) {
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing LSP ID TLV: length is %d, should be 8",
rem);
return;
}
ti = proto_tree_add_text(tree, tvb, offset, rem, "LSP ID");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
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, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
if(rem != 8) {
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing ER HOP IPv4 TLV: length is %d, should be 8",
rem);
return;
}
ti = proto_tree_add_text(tree, tvb, offset, rem, "ER HOP IPv4");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
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, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
if(rem != 20) {
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing ER HOP IPv6 TLV: length is %d, should be 20",
rem);
return;
}
ti = proto_tree_add_text(tree, tvb, offset, rem, "ER HOP IPv6");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
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, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
if(rem != 4) {
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing ER HOP AS TLV: length is %d, should be 4",
rem);
return;
}
ti = proto_tree_add_text(tree, tvb, offset, rem, "ER HOP AS");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
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, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
if(rem != 8) {
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing ER HOP LSPID TLV: length is %d, should be 8",
rem);
return;
}
ti = proto_tree_add_text(tree, tvb, offset, rem, "ER HOP LSPID");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
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, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
guint8 val_8;
float val_f;
proto_item *pi;
if(rem != 24) {
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing Traffic Parameters TLV: length is %d, should be 24",
rem);
return;
}
ti = proto_tree_add_text(tree, tvb, offset, rem, "Traffic parameters");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
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(val_tree, hf_ldp_tlv_pdr, tvb, offset,
4, val_f, "PDR: %.10g Bps", val_f);
offset += 4;
/* PBS */
val_f = tvb_get_ntohieee_float (tvb, offset);
proto_tree_add_double_format(val_tree, hf_ldp_tlv_pbs, tvb, offset,
4, val_f, "PBS: %.10g Bytes", val_f);
offset += 4;
/* CDR */
val_f = tvb_get_ntohieee_float (tvb, offset);
proto_tree_add_double_format(val_tree, hf_ldp_tlv_cdr, tvb, offset,
4, val_f, "CDR: %.10g Bps", val_f);
offset += 4;
/* CBS */
val_f = tvb_get_ntohieee_float (tvb, offset);
proto_tree_add_double_format(val_tree, hf_ldp_tlv_cbs, tvb, offset,
4, val_f, "CBS: %.10g Bytes", val_f);
offset += 4;
/* EBS */
val_f = tvb_get_ntohieee_float (tvb, offset);
proto_tree_add_double_format(val_tree, hf_ldp_tlv_ebs, tvb, offset,
4, val_f, "EBS: %.10g Bytes", val_f);
}
}
static void
dissect_tlv_route_pinning(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
if(rem != 4) {
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing Route Pinning TLV: length is %d, should be 4",
rem);
return;
}
ti = proto_tree_add_text(tree, tvb, offset, rem, "Route Pinning");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
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, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
if(rem != 4) {
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing Resource Class TLV: length is %d, should be 4",
rem);
return;
}
ti = proto_tree_add_text(tree, tvb, offset, rem, "Resource Class");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
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, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
if(rem != 4) {
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing Preemption TLV: length is %d, should be 4",
rem);
return;
}
ti = proto_tree_add_text(tree, tvb, offset, rem, "Preemption");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
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, 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_text(tree, 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, guint offset, proto_tree *tree, int rem);
static void
dissect_tlv_er(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
int len;
ti = proto_tree_add_text(tree, tvb, offset, rem, "Explicit route");
val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val);
if(val_tree != NULL) {
while (rem > 0) {
len = dissect_tlv (tvb, offset, val_tree, rem);
offset += len;
rem -= len;
}
}
}
static void
dissect_tlv_pw_status(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem);
static void
dissect_tlv_pw_grouping(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem);
/* Dissect a TLV and return the number of bytes consumed ... */
static int
dissect_tlv(tvbuff_t *tvb, 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_text(tree, 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 *ti = NULL, *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;
ti = proto_tree_add_text(tree, tvb, offset, length + 4, "Vendor Private TLV");
/*chk for experimental*/
} else if(type>=TLV_EXPERIMENTAL_START && type<=TLV_EXPERIMENTAL_END){
typebak=type; /*keep type*/
type=TLV_EXPERIMENTAL_START;
ti = proto_tree_add_text(tree, tvb, offset, length + 4, "Experimental TLV");
} else {
typebak=0;
ti = proto_tree_add_text(tree, tvb, offset, length + 4, "%s",
val_to_str(type, tlv_type_names, "Unknown TLV type (0x%04X)"));
}
tlv_tree = proto_item_add_subtree(ti, ett_ldp_tlv);
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(tlv_tree, hf_ldp_tlv_type, tvb, offset, 2,
typebak, "TLV Type: Vendor Private (0x%X)", typebak);
break;
case TLV_EXPERIMENTAL_START:
proto_tree_add_uint_format(tlv_tree, hf_ldp_tlv_type, tvb, offset, 2,
typebak, "TLV Type: 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(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, offset + 4, tlv_tree, length);
break;
case TLV_ADDRESS_LIST:
dissect_tlv_address_list(tvb, offset + 4, tlv_tree, length);
break;
case TLV_HOP_COUNT:
if( length != 1 ) /*error, only one byte*/
proto_tree_add_text(tlv_tree, 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, offset + 4, tlv_tree, length);
break;
case TLV_GENERIC_LABEL:
if( length != 4 ) /*error, need only label*/
proto_tree_add_text(tlv_tree, 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_format(tlv_tree, hf_ldp_tlv_generic_label,
tvb, offset+4, length, label, "Generic Label: %u", label);
}
break;
case TLV_ATM_LABEL:
dissect_tlv_atm_label(tvb, offset + 4, tlv_tree, length);
break;
case TLV_FRAME_LABEL:
dissect_tlv_frame_label(tvb, offset + 4, tlv_tree, length);
break;
case TLV_FT_PROTECTION:
if( length != 4 ) /* Length must be 4 bytes */
proto_tree_add_text(tlv_tree, tvb, offset + 4, length,
"Error processing FT Protection TLV: length is %d, should be 4",
length);
else
proto_tree_add_item(tlv_tree, hf_ldp_tlv_ft_protect_sequence_num, tvb,
offset + 4,length, ENC_BIG_ENDIAN);
break;
case TLV_STATUS:
dissect_tlv_status(tvb, offset + 4, tlv_tree, length);
break;
case TLV_EXTENDED_STATUS:
if( length != 4 ) /*error, need only status_code(guint32)*/
proto_tree_add_text(tlv_tree, 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, offset + 4, tlv_tree, length);
break;
case TLV_RETURNED_MESSAGE:
dissect_tlv_returned_message(tvb, offset + 4, tlv_tree, length);
break;
case TLV_COMMON_HELLO_PARMS:
#if 0
dissect_tlv_common_hello_parms(tvb, offset + 4, tlv_tree, length);
#else
dissect_tlv_common_hello_parms(tvb, offset + 4, tlv_tree);
#endif
break;
case TLV_IPV4_TRANSPORT_ADDRESS:
if( length != 4 ) /*error, need only ipv4*/
proto_tree_add_text(tlv_tree, tvb, offset + 4, length,
"Error processing IPv4 Transport Address TLV: length is %d, should be 4",
length);
else {
proto_tree_add_item(tlv_tree, hf_ldp_tlv_ipv4_taddr, tvb, offset + 4, 4, ENC_BIG_ENDIAN);
}
break;
case TLV_CONFIGURATION_SEQNO:
if( length != 4 ) /*error, need only seq_num(guint32)*/
proto_tree_add_text(tlv_tree, 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_text(tlv_tree, 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, offset + 4, tlv_tree, length);
break;
case TLV_COMMON_SESSION_PARMS:
dissect_tlv_common_session_parms(tvb, offset + 4, tlv_tree, length);
break;
case TLV_ATM_SESSION_PARMS:
dissect_tlv_atm_session_parms(tvb, offset + 4, tlv_tree, length);
break;
case TLV_FRAME_RELAY_SESSION_PARMS:
dissect_tlv_frame_relay_session_parms(tvb, offset + 4, tlv_tree, length);
break;
case TLV_FT_SESSION:
/* Used in RFC3478 LDP Graceful Restart */
dissect_tlv_ft_session(tvb, offset + 4, tlv_tree, length);
break;
case TLV_FT_ACK:
if( length != 4 ) /* Length must be 4 bytes */
proto_tree_add_text(tlv_tree, 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_text(tlv_tree, 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_text(tlv_tree, 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, offset + 4, tlv_tree, length);
break;
case TLV_ER:
dissect_tlv_er(tvb, offset + 4, tlv_tree, length);
break;
case TLV_ER_HOP_IPV4:
dissect_tlv_er_hop_ipv4(tvb, offset + 4, tlv_tree, length);
break;
case TLV_ER_HOP_IPV6:
dissect_tlv_er_hop_ipv6(tvb, offset +4, tlv_tree, length);
break;
case TLV_ER_HOP_AS:
dissect_tlv_er_hop_as(tvb, offset + 4, tlv_tree, length);
break;
case TLV_ER_HOP_LSPID:
dissect_tlv_er_hop_lspid(tvb, offset +4, tlv_tree, length);
break;
case TLV_TRAFFIC_PARAM:
dissect_tlv_traffic(tvb, offset +4, tlv_tree, length);
break;
case TLV_PREEMPTION:
dissect_tlv_preemption(tvb, offset +4, tlv_tree, length);
break;
case TLV_RESOURCE_CLASS:
dissect_tlv_resource_class(tvb, offset +4, tlv_tree, length);
break;
case TLV_ROUTE_PINNING:
dissect_tlv_route_pinning(tvb, offset +4, tlv_tree, length);
break;
case TLV_DIFFSERV:
dissect_tlv_diffserv(tvb, offset +4, tlv_tree, length);
break;
case TLV_VENDOR_PRIVATE_START:
if( length < 4 ) /*error, at least Vendor ID*/
proto_tree_add_text(tlv_tree, 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_text(tlv_tree, tvb, offset + 8, length-4,"Data");
}
break;
case TLV_EXPERIMENTAL_START:
if( length < 4 ) /*error, at least Experiment ID*/
proto_tree_add_text(tlv_tree, 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_text(tlv_tree, tvb, offset + 8, length-4,"Data");
}
break;
case TLV_PW_STATUS:
{
/* Ref: RFC 4447 and 4446*/
dissect_tlv_pw_status(tvb, offset +4, tlv_tree, length);
break;
}
case TLV_PW_INTERFACE_PARAMETERS:
{
/* Ref: RFC 4447 */
static int *interface_params_header_fields[] = {
&hf_ldp_tlv_intparam_length ,
&hf_ldp_tlv_intparam_mtu ,
&hf_ldp_tlv_intparam_tdmbps ,
&hf_ldp_tlv_intparam_id ,
&hf_ldp_tlv_intparam_maxcatmcells ,
&hf_ldp_tlv_intparam_desc ,
&hf_ldp_tlv_intparam_cepbytes ,
&hf_ldp_tlv_intparam_cepopt_ais ,
&hf_ldp_tlv_intparam_cepopt_une ,
&hf_ldp_tlv_intparam_cepopt_rtp ,
&hf_ldp_tlv_intparam_cepopt_ebm ,
&hf_ldp_tlv_intparam_cepopt_mah ,
&hf_ldp_tlv_intparam_cepopt_res ,
&hf_ldp_tlv_intparam_cepopt_ceptype ,
&hf_ldp_tlv_intparam_cepopt_t3 ,
&hf_ldp_tlv_intparam_cepopt_e3 ,
&hf_ldp_tlv_intparam_vlanid ,
&hf_ldp_tlv_intparam_dlcilen ,
&hf_ldp_tlv_intparam_fcslen ,
&hf_ldp_tlv_intparam_tdmopt_r ,
&hf_ldp_tlv_intparam_tdmopt_d ,
&hf_ldp_tlv_intparam_tdmopt_f ,
&hf_ldp_tlv_intparam_tdmopt_res1 ,
&hf_ldp_tlv_intparam_tdmopt_pt ,
&hf_ldp_tlv_intparam_tdmopt_res2 ,
&hf_ldp_tlv_intparam_tdmopt_freq ,
&hf_ldp_tlv_intparam_tdmopt_ssrc ,
&hf_ldp_tlv_intparam_vccv_cctype_cw ,
&hf_ldp_tlv_intparam_vccv_cctype_mplsra ,
&hf_ldp_tlv_intparam_vccv_cctype_ttl1 ,
&hf_ldp_tlv_intparam_vccv_cvtype_icmpping ,
&hf_ldp_tlv_intparam_vccv_cvtype_lspping ,
&hf_ldp_tlv_intparam_vccv_cvtype_bfd,
&hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd2,
&hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd3,
&hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd4,
&hf_ldp_tlv_fec_vc_intparam_flowlabel_t,
&hf_ldp_tlv_fec_vc_intparam_flowlabel_r,
&hf_ldp_tlv_fec_vc_intparam_flowlabel_res
};
int vc_len = length;
offset += 4;
while ( (vc_len > 1) && (rem > 1) ) { /* enough to include id and length */
int intparam_len = tvb_get_guint8(tvb, offset+1);
if (intparam_len < 2){ /* At least Type and Len, protect against len = 0 */
proto_tree_add_text(tlv_tree, tvb, offset +1, 1, "Malformed interface parameter");
break;
}
if ( (vc_len -intparam_len) <0 && (rem -intparam_len) <0 ) { /* error condition */
proto_tree_add_text(tlv_tree, tvb, offset +2, MIN(vc_len,rem), "Malformed data");
break;
}
dissect_subtlv_interface_parameters(tvb, offset, tlv_tree, intparam_len, interface_params_header_fields);
rem -= intparam_len;
vc_len -= intparam_len;
offset += intparam_len;
}
break;
}
case TLV_PW_GROUPING:
{
/* Ref: RFC 4447 */
dissect_tlv_pw_grouping(tvb, offset +4, tlv_tree, length);
break;
}
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");
if (tree) {
proto_tree_add_text(tree, 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 ");
if (tree) {
proto_tree_add_text(tree, 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 ... */
if( check_col(pinfo->cinfo, COL_INFO) ){
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) {
proto_tree *ti = NULL;
switch (type) {
case LDP_VENDOR_PRIVATE_START:
ti = proto_tree_add_text(tree, tvb, offset, length + 4, "Vendor-Private Message");
break;
case LDP_EXPERIMENTAL_MESSAGE_START:
ti = proto_tree_add_text(tree, tvb, offset, length + 4, "Experimental Message");
break;
default:
ti = proto_tree_add_text(tree, tvb, offset, length + 4, "%s",
val_to_str(type, ldp_message_types, "Unknown Message type (0x%04X)"));
}
msg_tree = proto_item_add_subtree(ti, ett_ldp_message);
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(msg_tree, hf_ldp_msg_type, tvb, offset, 2,
typebak, "Message Type: Vendor Private (0x%X)", typebak);
break;
case LDP_EXPERIMENTAL_MESSAGE_START:
proto_tree_add_uint_format(msg_tree, hf_ldp_msg_type, tvb, offset, 2,
typebak, "Message Type: 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(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){
int hf_tmp;
switch(type){
case LDP_VENDOR_PRIVATE_START:
hf_tmp=hf_ldp_msg_vendor_id;
break;
case LDP_EXPERIMENTAL_MESSAGE_START:
hf_tmp=hf_ldp_msg_experiment_id;
break;
default:
hf_tmp = 0;
}
proto_tree_add_item(msg_tree, hf_tmp, tvb, offset+8, extra, ENC_BIG_ENDIAN);
}
}
offset += (8+extra);
length -= (4+extra);
if (tree) {
while ( (length-ao) > 0 ) {
co = dissect_tlv(tvb, 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)
{
/*
* 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_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_length(tvb);
}
static void
dissect_tlv_pw_status(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *val_tree;
guint32 data;
if(rem != 4){
proto_tree_add_text(tree, tvb, offset, rem,
"Error processing PW Status TLV: length is %d, should be 4",
rem);
return;
}
data=tvb_get_ntohl(tvb, offset);
ti = proto_tree_add_uint_format(tree, hf_ldp_tlv_pw_status_data, tvb, offset , rem,
data, "PW Status: 0x%08x ", data);
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_boolean(val_tree, hf_ldp_tlv_pw_not_forwarding, tvb, offset , 4, data);
proto_tree_add_boolean(val_tree, hf_ldp_tlv_pw_lac_ingress_recv_fault, tvb, offset , 4, data);
proto_tree_add_boolean(val_tree, hf_ldp_tlv_pw_lac_egress_recv_fault, tvb, offset , 4, data);
proto_tree_add_boolean(val_tree, hf_ldp_tlv_pw_psn_pw_ingress_recv_fault, tvb, offset , 4, data);
proto_tree_add_boolean(val_tree, hf_ldp_tlv_pw_psn_pw_egress_recv_fault, tvb, offset , 4, data);
}
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_add_text(tree, tvb, offset, rem, "Interface Parameter");
proto_tree *cepopt_tree=NULL, *vccvtype_tree=NULL;
proto_tree *vcintparam_tree = proto_item_add_subtree(ti, ett_ldp_fec_vc_interfaceparam);
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");
ti = proto_tree_add_text(vcintparam_tree, tvb, offset + 2, 2, "CEP Options");
cepopt_tree = proto_item_add_subtree(ti, ett_ldp_fec_vc_interfaceparam_cepopt);
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");
ti = proto_tree_add_text(vcintparam_tree, tvb, offset + 2, 1, "CC Type");
vccvtype_tree = proto_item_add_subtree(ti, ett_ldp_fec_vc_interfaceparam_vccvtype);
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);
ti = proto_tree_add_text(vcintparam_tree, tvb, offset + 3, 1, "CV Type");
vccvtype_tree = proto_item_add_subtree(ti, ett_ldp_fec_vc_interfaceparam_vccvtype);
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_text(vcintparam_tree,tvb, offset+2, (intparam_len -2), "Unknown data");
break;
}
}
static void
dissect_genpwid_fec_aai_type2_parameter(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti = proto_tree_add_text(tree, tvb, offset, rem, "AAI");
proto_tree *aai_param_tree = proto_item_add_subtree(ti, ett_ldp_gen_aai_type2);
/* check if the remaining length is 12 bytes or not... */
if ( rem != 12)
{
proto_tree_add_text(tree, 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)
{
volatile gboolean first = TRUE;
volatile int offset = 0;
int length_remaining;
guint16 plen;
int length;
tvbuff_t *volatile next_tvb;
void *pd_save;
while (tvb_reported_length_remaining(tvb, offset) != 0) {
length_remaining = tvb_length_remaining(tvb, offset);
/*
* Make sure the first PDU has a version number of 1;
* if not, reject this, so we don't get confused by
* packets that happen to be going to or from the
* LDP port but that aren't LDP packets.
*
* XXX - this means we can't handle an LDP PDU of which
* only one byte appears in a TCP segment. If that's
* a problem, we'll either have to completely punt on
* rejecting non-LDP packets, or will have to assume
* that if we have only one byte, it's an LDP packet.
*/
if (first) {
if (length_remaining < 2) {
/*
* Not enough information to tell.
*/
return 0;
}
if (tvb_get_ntohs(tvb, offset) != 1) {
/*
* Not version 1.
*/
return 0;
}
first = FALSE;
}
/*
* Can we do reassembly?
*/
if (ldp_desegment && pinfo->can_desegment) {
/*
* Yes - is the LDP header split across segment
* boundaries?
*/
if (length_remaining < 4) {
/*
* Yes. Tell the TCP dissector where the data for this message
* starts in the data it handed us and that we need "some more
* data." Don't tell it exactly how many bytes we need because
* if/when we ask for even more (after the header) that will
* break reassembly.
*/
pinfo->desegment_offset = offset;
pinfo->desegment_len = DESEGMENT_ONE_MORE_SEGMENT;
return -((gint32) pinfo->desegment_len);
}
}
/*
* Get the length of the rest of the LDP packet.
* XXX - check for a version of 1 first?
*/
plen = tvb_get_ntohs(tvb, offset + 2);
/*
* Can we do reassembly?
*/
if (ldp_desegment && pinfo->can_desegment) {
/*
* Yes - is the LDP packet split across segment
* boundaries?
*/
if (length_remaining < plen + 4) {
/*
* Yes. Tell the TCP dissector where the
* data for this message starts in the data
* it handed us, and how many more bytes we
* need, and return.
*/
pinfo->desegment_offset = offset;
pinfo->desegment_len = (plen + 4) - length_remaining;
return -((gint32) pinfo->desegment_len);
}
}
/*
* Construct a tvbuff containing the amount of the payload
* we have available. Make its reported length the
* amount of data in the DNS-over-TCP packet.
*
* XXX - if reassembly isn't enabled. the subdissector
* will throw a BoundsError exception, rather than a
* ReportedBoundsError exception. We really want
* a tvbuff where the length is "length", the reported
* length is "plen + 4", and the "if the snapshot length
* were infinite" length is the minimum of the
* reported length of the tvbuff handed to us and "plen+4",
* with a new type of exception thrown if the offset is
* within the reported length but beyond that third length,
* with that exception getting the "Unreassembled Packet"
* error.
*/
length = length_remaining;
if (length > plen + 4)
length = plen + 4;
next_tvb = tvb_new_subset(tvb, offset, length, plen + 4);
/*
* Dissect the LDP packet.
*
* Catch the ReportedBoundsError exception; if this
* particular message happens to get a ReportedBoundsError
* exception, that doesn't mean that we should stop
* dissecting LDP messages within this frame or chunk of
* reassembled data.
*
* If it gets a BoundsError, we can stop, as there's nothing
* more to see, so we just re-throw it.
*/
pd_save = pinfo->private_data;
TRY {
dissect_ldp_pdu(next_tvb, pinfo, tree);
}
CATCH(BoundsError) {
RETHROW;
}
CATCH(ReportedBoundsError) {
/* Restore the private_data structure in case one of the
* called dissectors modified it (and, due to the exception,
* was unable to restore it).
*/
pinfo->private_data = pd_save;
show_reported_bounds_error(tvb, pinfo, tree);
}
ENDTRY;
/*
* Skip the LDP header and the payload.
*/
offset += plen + 4;
}
return tvb_length(tvb);
}
/* Register all the bits needed with the filtering engine */
void
proto_register_ldp(void)
{
static hf_register_info hf[] = {
{ &hf_ldp_req,
/* Change the following to the type you need */
{ "Request", "ldp.req", FT_BOOLEAN, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_ldp_rsp,
{ "Response", "ldp.rsp", FT_BOOLEAN, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &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_res,
{ "Reserved", "ldp.msg.tlv.hello.res", FT_UINT16, BASE_HEX,
NULL, 0x3FFF, "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), 0x0, "Forwarding Equivalence Class Element Types", HFILL }},
{ &hf_ldp_tlv_fec_af,
{ "FEC Element Address Type", "ldp.msg.tlv.fec.af", FT_UINT16, BASE_DEC,
VALS(afn_vals), 0x0, "Forwarding Equivalence Class Element Address Family", HFILL }},
{ &hf_ldp_tlv_fec_len,
{ "FEC Element Length", "ldp.msg.tlv.fec.len", FT_UINT8, BASE_DEC,
NULL, 0x0, "Forwarding Equivalence Class Element Length", HFILL }},
{ &hf_ldp_tlv_fec_pfval,
{ "FEC Element Prefix Value", "ldp.msg.tlv.fec.pfval", FT_STRING, BASE_NONE,
NULL, 0x0, "Forwarding Equivalence Class Element Prefix", HFILL }},
{ &hf_ldp_tlv_fec_hoval,
{ "FEC Element Host Address Value", "ldp.msg.tlv.fec.hoval", FT_STRING, BASE_NONE,
NULL, 0x0, "Forwarding Equivalence Class Element Address", HFILL }},
{ &hf_ldp_tlv_addrl_addr_family,
{ "Address Family", "ldp.msg.tlv.addrl.addr_family", FT_UINT16, BASE_DEC,
VALS(afn_vals), 0x0, "Address Family List", HFILL }},
{ &hf_ldp_tlv_addrl_addr,
{ "Address", "ldp.msg.tlv.addrl.addr", FT_STRING, BASE_NONE,
NULL, 0x0, NULL, HFILL }},
{ &hf_ldp_tlv_hc_value,
{ "Hop Count Value", "ldp.msg.tlv.hc.value", FT_UINT8, BASE_DEC,
NULL, 0x0, "Hop Count", HFILL }},
{ &hf_ldp_tlv_pv_lsrid,
{ "LSR Id", "ldp.msg.tlv.pv.lsrid", FT_IPv4, BASE_NONE,
NULL, 0x0, "Path Vector LSR Id", HFILL }},
{ &hf_ldp_tlv_sess_ver,
{ "Session Protocol Version", "ldp.msg.tlv.sess.ver", FT_UINT16, BASE_DEC,
NULL, 0x0, "Common Session Parameters Protocol Version", HFILL }},
{ &hf_ldp_tlv_sess_ka,
{ "Session KeepAlive Time", "ldp.msg.tlv.sess.ka", FT_UINT16, BASE_DEC,
NULL, 0x0, "Common Session Parameters KeepAlive Time", HFILL }},
{ &hf_ldp_tlv_sess_advbit,
{ "Session Label Advertisement Discipline", "ldp.msg.tlv.sess.advbit", FT_BOOLEAN, 8,
TFS(&tlv_sess_advbit_vals), 0x80, "Common Session Parameters Label Advertisement Discipline", HFILL }},
{ &hf_ldp_tlv_sess_ldetbit,
{ "Session Loop Detection", "ldp.msg.tlv.sess.ldetbit", FT_BOOLEAN, 8,
TFS(&tlv_sess_ldetbit_vals), 0x40, "Common Session Parameters Loop Detection", HFILL }},
{ &hf_ldp_tlv_sess_pvlim,
{ "Session Path Vector Limit", "ldp.msg.tlv.sess.pvlim", FT_UINT8, BASE_DEC,
NULL, 0x0, "Common Session Parameters Path Vector Limit", HFILL }},
{ &hf_ldp_tlv_sess_mxpdu,
{ "Session Max PDU Length", "ldp.msg.tlv.sess.mxpdu", FT_UINT16, BASE_DEC,
NULL, 0x0, "Common Session Parameters Max PDU Length", HFILL }},
{ &hf_ldp_tlv_sess_rxlsr,
{ "Session Receiver LSR Identifier", "ldp.msg.tlv.sess.rxlsr", FT_IPv4, BASE_NONE,
NULL, 0x0, "Common Session Parameters LSR Identifier", HFILL }},
{ &hf_ldp_tlv_sess_rxls,
{ "Session Receiver Label Space Identifier", "ldp.msg.tlv.sess.rxls", FT_UINT16, BASE_DEC,
NULL, 0x0, "Common Session Parameters Receiver Label Space Identifier", HFILL }},
{ &hf_ldp_tlv_sess_atm_merge,
{ "Session ATM Merge Parameter", "ldp.msg.tlv.sess.atm.merge", FT_UINT8, BASE_DEC,
VALS(tlv_atm_merge_vals), 0xC0, "Merge ATM Session Parameters", HFILL }},
{ &hf_ldp_tlv_sess_atm_lr,
{ "Number of ATM Label Ranges", "ldp.msg.tlv.sess.atm.lr", FT_UINT8, BASE_DEC,
NULL, 0x3C, "Number of Label Ranges", HFILL }},
{ &hf_ldp_tlv_sess_atm_dir,
{ "Directionality", "ldp.msg.tlv.sess.atm.dir", FT_BOOLEAN, 8,
TFS(&tlv_atm_dirbit), 0x02, "Label Directionality", HFILL }},
{ &hf_ldp_tlv_sess_atm_minvpi,
{ "Minimum VPI", "ldp.msg.tlv.sess.atm.minvpi", FT_UINT16, BASE_DEC,
NULL, 0x0FFF, NULL, HFILL }},
{ &hf_ldp_tlv_sess_atm_minvci,
{ "Minimum VCI", "ldp.msg.tlv.sess.atm.minvci", FT_UINT16, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ldp_tlv_sess_atm_maxvpi,
{ "Maximum VPI", "ldp.msg.tlv.sess.atm.maxvpi", FT_UINT16, BASE_DEC,
NULL, 0x0FFF, NULL, HFILL }},
{ &hf_ldp_tlv_sess_atm_maxvci,
{ "Maximum VCI", "ldp.msg.tlv.sess.atm.maxvci", FT_UINT16, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ldp_tlv_sess_fr_merge,
{ "Session Frame Relay Merge Parameter", "ldp.msg.tlv.sess.fr.merge", FT_UINT8, BASE_DEC,
VALS(tlv_fr_merge_vals), 0xC0, "Merge Frame Relay Session Parameters", HFILL }},
{ &hf_ldp_tlv_sess_fr_lr,
{ "Number of Frame Relay Label Ranges", "ldp.msg.tlv.sess.fr.lr", FT_UINT8, BASE_DEC,
NULL, 0x3C, "Number of Label Ranges", HFILL }},
{ &hf_ldp_tlv_sess_fr_dir,
{ "Directionality", "ldp.msg.tlv.sess.fr.dir", FT_BOOLEAN, 8,
TFS(&tlv_atm_dirbit), 0x02, "Label Directionality", HFILL }},
{ &hf_ldp_tlv_sess_fr_len,
{ "Number of DLCI bits", "ldp.msg.tlv.sess.fr.len", FT_UINT16, BASE_DEC,
VALS(tlv_fr_len_vals), 0x0180, "DLCI Number of bits", HFILL }},
{ &hf_ldp_tlv_sess_fr_mindlci,
{ "Minimum DLCI", "ldp.msg.tlv.sess.fr.mindlci", FT_UINT24, BASE_DEC,
NULL, 0x7FFFFF, NULL, HFILL }},
{ &hf_ldp_tlv_sess_fr_maxdlci,
{ "Maximum DLCI", "ldp.msg.tlv.sess.fr.maxdlci", FT_UINT24, BASE_DEC,
NULL, 0x7FFFFF, NULL, HFILL }},
{ &hf_ldp_tlv_ft_sess_flags,
{ "Flags", "ldp.msg.tlv.ft_sess.flags", FT_UINT16, BASE_HEX,
NULL, 0x0, "FT Session Flags", HFILL }},
{ &hf_ldp_tlv_ft_sess_flag_r,
{ "R bit", "ldp.msg.tlv.ft_sess.flag_r", FT_BOOLEAN, 16,
TFS(&tlv_ft_r), 0x8000, "FT Reconnect Flag", HFILL }},
{ &hf_ldp_tlv_ft_sess_flag_res,
{ "Reserved", "ldp.msg.tlv.ft_sess.flag_res", FT_UINT16, BASE_HEX,
NULL, 0x7FF0, "Reserved bits", HFILL }},
{ &hf_ldp_tlv_ft_sess_flag_s,
{ "S bit", "ldp.msg.tlv.ft_sess.flag_s", FT_BOOLEAN, 16,
TFS(&tlv_ft_s), 0x8, "Save State Flag", HFILL }},
{ &hf_ldp_tlv_ft_sess_flag_a,
{ "A bit", "ldp.msg.tlv.ft_sess.flag_a", FT_BOOLEAN, 16,
TFS(&tlv_ft_a), 0x4, "All-Label protection Required", HFILL }},
{ &hf_ldp_tlv_ft_sess_flag_c,
{ "C bit", "ldp.msg.tlv.ft_sess.flag_c", FT_BOOLEAN, 16,
TFS(&tlv_ft_c), 0x2, "Check-Pointint Flag", HFILL }},
{ &hf_ldp_tlv_ft_sess_flag_l,
{ "L bit", "ldp.msg.tlv.ft_sess.flag_l", FT_BOOLEAN, 16,
TFS(&tlv_ft_l), 0x1, "Learn From network Flag", HFILL }},
{ &hf_ldp_tlv_ft_sess_res,
{ "Reserved", "ldp.msg.tlv.ft_sess.res", FT_UINT16, BASE_HEX,
NULL, 0x0, NULL, HFILL }},
{ &hf_ldp_tlv_ft_sess_reconn_to,
{ "Reconnect Timeout", "ldp.msg.tlv.ft_sess.reconn_to", FT_UINT32, BASE_DEC,
NULL, 0x0, "FT Reconnect Timeout", HFILL }},
{ &hf_ldp_tlv_ft_sess_recovery_time,
{ "Recovery Time", "ldp.msg.tlv.ft_sess.recovery_time", FT_UINT32, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_ldp_tlv_ft_ack_sequence_num,
{ "FT ACK Sequence Number", "ldp.msg.tlv.ft_ack.sequence_num", FT_UINT32, BASE_HEX,
NULL, 0x0, NULL, HFILL }},
{ &hf_ldp_tlv_lbl_req_msg_id,
{ "Label Request Message ID", "ldp.msg.tlv.lbl_req_msg_id", FT_UINT32, BASE_HEX,
NULL, 0x0, "Label Request Message to be aborted", HFILL }},
{ &hf_ldp_tlv_vendor_id,
{ "Vendor ID", "ldp.msg.tlv.vendor_id", FT_UINT32, BASE_HEX,
NULL, 0, "IEEE 802 Assigned Vendor ID", HFILL }},
{ &hf_ldp_tlv_experiment_id,
{ "Experiment ID", "ldp.msg.tlv.experiment_id", FT_UINT32, BASE_HEX,
NULL, 0, NULL, HFILL }},
{ &hf_ldp_tlv_generic_label,
{ "Generic Label", "ldp.msg.tlv.generic.label", FT_UINT32, BASE_HEX,
NULL, 0x000FFFFF, NULL, HFILL }},
{ &hf_ldp_tlv_atm_label_vbits,
{ "V-bits", "ldp.msg.tlv.atm.label.vbits", FT_UINT8, BASE_HEX,
VALS(tlv_atm_vbits_vals), 0x30, "ATM Label V Bits", HFILL }},
{ &hf_ldp_tlv_atm_label_vpi,
{ "VPI", "ldp.msg.tlv.atm.label.vpi", FT_UINT16, BASE_DEC,
NULL, 0x0FFF, "ATM Label VPI", HFILL }},
{ &hf_ldp_tlv_atm_label_vci,
{ "VCI", "ldp.msg.tlv.atm.label.vci", FT_UINT16, BASE_DEC,
NULL, 0, "ATM Label VCI", HFILL }},
{ &hf_ldp_tlv_fr_label_len,
{ "Number of DLCI bits", "ldp.msg.tlv.fr.label.len", FT_UINT16, BASE_DEC,
VALS(tlv_fr_len_vals), 0x0180, "DLCI Number of bits", HFILL }},
{ &hf_ldp_tlv_fr_label_dlci,
{ "DLCI", "ldp.msg.tlv.fr.label.dlci", FT_UINT24, BASE_DEC,
NULL, 0x7FFFFF, "FRAME RELAY Label DLCI", HFILL }},
{ &hf_ldp_tlv_ft_protect_sequence_num,
{ "FT Sequence Number", "ldp.msg.tlv.ft_protect.sequence_num", FT_UINT32, BASE_HEX,
NULL, 0x0, NULL, HFILL }},
{ &hf_ldp_tlv_status_ebit,
{ "E Bit", "ldp.msg.tlv.status.ebit", FT_BOOLEAN, 8,
TFS(&tlv_status_ebit), 0x80, "Fatal Error Bit", HFILL }},
{ &hf_ldp_tlv_status_fbit,
{ "F Bit", "ldp.msg.tlv.status.fbit", FT_BOOLEAN, 8,
TFS(&tlv_status_fbit), 0x40, "Forward Bit", HFILL }},
{ &hf_ldp_tlv_status_data,
{ "Status Data", "ldp.msg.tlv.status.data", FT_UINT32, BASE_HEX,
VALS(tlv_status_data), 0x3FFFFFFF, NULL, HFILL }},
{ &hf_ldp_tlv_status_msg_id,
{ "Message ID", "ldp.msg.tlv.status.msg.id", FT_UINT32, BASE_HEX,
NULL, 0x0, "Identifies peer message to which Status TLV refers", HFILL }},
{ &hf_ldp_tlv_status_msg_type,
{ "Message Type", "ldp.msg.tlv.status.msg.type", FT_UINT16, BASE_HEX,
VALS(ldp_message_types), 0x0, "Type of peer message to which Status TLV refers", HFILL }},
{ &hf_ldp_tlv_extstatus_data,
{ "Extended Status Data", "ldp.msg.tlv.extstatus.data", FT_UINT32, BASE_HEX,
NULL, 0x0, NULL, HFILL }},
{ &hf_ldp_tlv_returned_version,
{ "Returned PDU Version", "ldp.msg.tlv.returned.version", FT_UINT16, BASE_DEC,
NULL, 0x0, "LDP Version Number", HFILL }},
{ &hf_ldp_tlv_returned_pdu_len,
{ "Returned PDU Length", "ldp.msg.tlv.returned.pdu_len", FT_UINT16, BASE_DEC,
NULL, 0x0, "LDP PDU Length", HFILL }},
{ &hf_ldp_tlv_returned_lsr,
{ "Returned PDU LSR ID", "ldp.msg.tlv.returned.ldpid.lsr", FT_IPv4, BASE_NONE,
NULL, 0x0, "LDP Label Space Router ID", HFILL }},
{ &hf_ldp_tlv_returned_ls_id,
{ "Returned PDU Label Space ID", "ldp.msg.tlv.returned.ldpid.lsid", FT_UINT16, BASE_HEX,
NULL, 0x0, "LDP Label Space ID", HFILL }},
{ &hf_ldp_tlv_returned_msg_ubit,
{ "Returned Message Unknown bit", "ldp.msg.tlv.returned.msg.ubit", FT_BOOLEAN, 8,
TFS(&ldp_message_ubit), 0x80, "Message Unknown bit", HFILL }},
{ &hf_ldp_tlv_returned_msg_type,
{ "Returned Message Type", "ldp.msg.tlv.returned.msg.type", FT_UINT16, BASE_HEX,
VALS(ldp_message_types), 0x7FFF, "LDP message type", HFILL }},
{ &hf_ldp_tlv_returned_msg_len,
{ "Returned Message Length", "ldp.msg.tlv.returned.msg.len", FT_UINT16, BASE_DEC,
NULL, 0x0, "LDP Message Length (excluding message type and len)", HFILL }},
{ &hf_ldp_tlv_returned_msg_id,
{ "Returned Message ID", "ldp.msg.tlv.returned.msg.id", FT_UINT32, BASE_HEX,
NULL, 0x0, "LDP Message ID", HFILL }},
{ &hf_ldp_tlv_mac,
{ "MAC address", "ldp.msg.tlv.mac", FT_ETHER, BASE_NONE,
NULL, 0x0, NULL, HFILL}},
{ &hf_ldp_tlv_fec_vc_controlword,
{ "C-bit", "ldp.msg.tlv.fec.vc.controlword", FT_BOOLEAN, 8,
TFS(&fec_vc_cbit), 0x80, "Control Word Present", HFILL }},
{ &hf_ldp_tlv_fec_vc_vctype,
{ "VC Type", "ldp.msg.tlv.fec.vc.vctype", FT_UINT16, BASE_HEX,
VALS(fec_vc_types_vals), 0x7FFF, "Virtual Circuit Type", HFILL }},
{ &hf_ldp_tlv_fec_vc_infolength,
{ "VC Info Length", "ldp.msg.tlv.fec.vc.infolength", FT_UINT8, BASE_DEC,
NULL, 0x0, "VC FEC Info Length", HFILL }},
{ &hf_ldp_tlv_fec_vc_groupid,
{ "Group ID", "ldp.msg.tlv.fec.vc.groupid", FT_UINT32, BASE_DEC,
NULL, 0x0, "VC FEC Group ID", HFILL }},
{ &hf_ldp_tlv_fec_vc_vcid,
{ "VC ID", "ldp.msg.tlv.fec.vc.vcid", FT_UINT32, BASE_DEC,
NULL, 0x0, "VC FEC VCID", HFILL }},
{ &hf_ldp_tlv_fec_vc_intparam_length,
{ "Length", "ldp.msg.tlv.fec.vc.intparam.length", FT_UINT8, BASE_DEC,
NULL, 0x0, "VC FEC Interface Paramater 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 Paramater 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 Paramater 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 Paramater 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}},
{ &hf_ldp_tlv_diffserv,
{ "Diff-Serv TLV", "ldp.msg.tlv.diffserv", FT_NONE, BASE_NONE,
NULL, 0, "Diffserv TLV", HFILL}},
{ &hf_ldp_tlv_diffserv_type,
{ "LSP Type", "ldp.msg.tlv.diffserv.type", FT_UINT8, BASE_DEC,
VALS(diffserv_type_vals), 0x80, NULL, HFILL}},
{ &hf_ldp_tlv_diffserv_mapnb,
{ "MAPnb", "ldp.msg.tlv.diffserv.mapnb", FT_UINT8, BASE_DEC,
NULL, 0, MAPNB_DESCRIPTION, HFILL}},
{ &hf_ldp_tlv_diffserv_map,
{ "MAP", "ldp.msg.tlv.diffserv.map", FT_NONE, BASE_NONE,
NULL, 0, MAP_DESCRIPTION, HFILL}},
{ &hf_ldp_tlv_diffserv_map_exp,
{ "EXP", "ldp.msg.tlv.diffserv.map.exp", FT_UINT8, BASE_DEC,
NULL, 0, EXP_DESCRIPTION, HFILL}},
{ &hf_ldp_tlv_diffserv_phbid,
{ PHBID_DESCRIPTION, "ldp.msg.tlv.diffserv.phbid", FT_NONE, BASE_NONE,
NULL, 0, NULL, HFILL}},
{ &hf_ldp_tlv_diffserv_phbid_dscp,
{ PHBID_DSCP_DESCRIPTION, "ldp.msg.tlv.diffserv.phbid.dscp", FT_UINT16, BASE_DEC,
NULL, PHBID_DSCP_MASK, NULL, HFILL}},
{ &hf_ldp_tlv_diffserv_phbid_code,
{ PHBID_CODE_DESCRIPTION, "ldp.msg.tlv.diffserv.phbid.code", FT_UINT16, BASE_DEC,
NULL, PHBID_CODE_MASK, NULL, HFILL}},
{ &hf_ldp_tlv_diffserv_phbid_bit14,
{ PHBID_BIT14_DESCRIPTION, "ldp.msg.tlv.diffserv.phbid.bit14", FT_UINT16, BASE_DEC,
VALS(phbid_bit14_vals), PHBID_BIT14_MASK, NULL, HFILL}},
{ &hf_ldp_tlv_diffserv_phbid_bit15,
{ PHBID_BIT15_DESCRIPTION, "ldp.msg.tlv.diffserv.phbid.bit15", FT_UINT16, BASE_DEC,
VALS(phbid_bit15_vals), PHBID_BIT15_MASK, NULL, HFILL}},
{ &hf_ldp_tlv_fec_gen_agi_type,
{ "AGI Type", "ldp.msg.tlv.fec.gen.agi.type", FT_UINT8, BASE_DEC,
NULL, 0x0, "Attachment Group Identifier Type", HFILL}},
{ &hf_ldp_tlv_fec_gen_agi_length,
{ "AGI Length", "ldp.msg.tlv.fec.gen.agi.length", FT_UINT8, BASE_DEC,
NULL, 0x0, "Attachment Group Identifier Length", HFILL}},
{ &hf_ldp_tlv_fec_gen_agi_value,
{ "AGI Value", "ldp.msg.tlv.fec.gen.agi.value", FT_BYTES, BASE_NONE,
NULL, 0x0, "Attachment Group Identifier Value", HFILL}},
{ &hf_ldp_tlv_fec_gen_saii_type,
{ "SAII Type", "ldp.msg.tlv.fec.gen.saii.type", FT_UINT8, BASE_DEC,
NULL, 0x0, "Source Attachment Individual Identifier Type", HFILL}},
{ &hf_ldp_tlv_fec_gen_saii_length,
{ "SAII Length", "ldp.msg.tlv.fec.gen.saii.length", FT_UINT8, BASE_DEC,
NULL, 0x0, "Source Attachment Individual Identifier Length", HFILL}},
{ &hf_ldp_tlv_fec_gen_saii_value,
{ "SAII Value", "ldp.msg.tlv.fec.gen.saii.value", FT_BYTES, BASE_NONE,
NULL, 0x0, "Source Attachment Individual Identifier Value", HFILL}},
{ &hf_ldp_tlv_fec_gen_taii_type,
{ "TAII Type", "ldp.msg.tlv.fec.gen.taii.type", FT_UINT8, BASE_DEC,
NULL, 0x0, "Target Attachment Individual Identifier Type", HFILL}},
{ &hf_ldp_tlv_fec_gen_taii_length,
{ "TAII length", "ldp.msg.tlv.fec.gen.taii.length", FT_UINT8, BASE_DEC,
NULL, 0x0, "Target Attachment Individual Identifier Length", HFILL}},
{ &hf_ldp_tlv_fec_gen_taii_value,
{ "TAII Value", "ldp.msg.tlv.fec.gen.taii.value", FT_BYTES, BASE_NONE,
NULL, 0x0, "Target Attachment Individual Identifier Value", HFILL}},
{ &hf_ldp_tlv_fec_gen_aai_globalid,
{ "Global Id", "ldp.msg.tlv.fec.gen.aii.globalid", FT_UINT32, BASE_DEC,
NULL, 0x0, "Attachment Individual Identifier Global Id", HFILL}},
{ &hf_ldp_tlv_fec_gen_aai_prefix,
{ "Prefix", "ldp.msg.tlv.fec.gen.aii.prefix", FT_UINT32, BASE_DEC,
NULL, 0x0, "Attachment Individual Identifier Prefix", HFILL}},
{ &hf_ldp_tlv_fec_gen_aai_ac_id,
{ "Prefix", "ldp.msg.tlv.fec.gen.aii.acid", FT_UINT32, BASE_DEC,
NULL, 0x0, "Attachment Individual Identifier AC Id", HFILL}},
{ &hf_ldp_tlv_pw_status_data,
{ "Status Code", "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 Paramater Length", HFILL }},
{ &hf_ldp_tlv_intparam_mtu,
{ "MTU", "ldp.msg.tlv.intparam.mtu", FT_UINT16, BASE_DEC,
NULL, 0x0, "VC FEC Interface Paramater 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 Paramater 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 Paramater 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 }}
};
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
};
module_t *ldp_module;
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));
/* Register our configuration options for , particularly our port */
ldp_module = prefs_register_protocol(proto_ldp, proto_reg_handoff_ldp);
prefs_register_uint_preference(ldp_module, "tcp.port", "LDP TCP Port",
"Set the TCP port for messages (if other"
" than the default of 646)",
10, &global_ldp_tcp_port);
prefs_register_uint_preference(ldp_module, "udp.port", "LDP UDP Port",
"Set the UDP port for messages (if other"
" than the default of 646)",
10, &global_ldp_udp_port);
prefs_register_bool_preference(ldp_module, "desegment_ldp_messages",
"Reassemble LDP messages spanning multiple TCP segments",
"Whether the LDP dissector should reassemble messages spanning multiple TCP segments."
" To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\""
" in the TCP protocol settings.",
&ldp_desegment);
}
/* The registration hand-off routine */
void
proto_reg_handoff_ldp(void)
{
static gboolean ldp_prefs_initialized = FALSE;
static dissector_handle_t ldp_tcp_handle, ldp_handle;
static int tcp_port;
static int udp_port;
if (!ldp_prefs_initialized) {
ldp_tcp_handle = new_create_dissector_handle(dissect_ldp_tcp, proto_ldp);
ldp_handle = new_create_dissector_handle(dissect_ldp, proto_ldp);
ldp_prefs_initialized = TRUE;
}
else {
dissector_delete_uint("tcp.port", tcp_port, ldp_tcp_handle);
dissector_delete_uint("udp.port", udp_port, ldp_handle);
}
/* Set our port number for future use */
tcp_port = global_ldp_tcp_port;
udp_port = global_ldp_udp_port;
dissector_add_uint("tcp.port", global_ldp_tcp_port, ldp_tcp_handle);
dissector_add_uint("udp.port", global_ldp_udp_port, ldp_handle);
}
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