diff options
author | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
---|---|---|
committer | Gilbert Ramirez <gram@alumni.rice.edu> | 2004-07-18 18:06:47 +0000 |
commit | 669db206cb1f270046ad400fff7655e20c63e723 (patch) | |
tree | 4eff24a2e16c8963e497e1fc575f35e6af59bd26 /epan/dissectors/packet-ldp.c | |
parent | ae46c27a38700af669ef907491081f09df6f6b2c (diff) |
Move dissectors to epan/dissectors directory.
Also move ncp222.py, x11-fields, process-x11-fields.pl,
make-reg-dotc, and make-reg-dotc.py.
Adjust #include lines in files that include packet-*.h
files.
svn path=/trunk/; revision=11410
Diffstat (limited to 'epan/dissectors/packet-ldp.c')
-rw-r--r-- | epan/dissectors/packet-ldp.c | 3140 |
1 files changed, 3140 insertions, 0 deletions
diff --git a/epan/dissectors/packet-ldp.c b/epan/dissectors/packet-ldp.c new file mode 100644 index 0000000000..d4682034d0 --- /dev/null +++ b/epan/dissectors/packet-ldp.c @@ -0,0 +1,3140 @@ +/* packet-ldp.c + * Routines for LDP (RFC 3036) packet disassembly + * + * $Id$ + * + * 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> + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * 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 <stdio.h> +#include <stdlib.h> +#include <ctype.h> +#include <time.h> +#include <glib.h> +#include <string.h> +#include <epan/packet.h> +#include <epan/resolv.h> +#include "prefs.h" +#include "afn.h" + +#include "packet-frame.h" +#include "packet-diffserv-mpls-common.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_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_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_bfd = -1; +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 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 tcp_port = 0; +static int udp_port = 0; + +/* desegmentation of LDP over TCP */ +static gboolean ldp_desegment = FALSE; + +/* Add your functions here */ + +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 + */ + +#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 +#define TLV_ER 0x0800 +#define TLV_ER_HOP_IPV4 0x0801 +#define TLV_ER_HOP_IPV6 0x0802 +#define TLV_ER_HOP_AS 0x0803 +#define TLV_ER_HOP_LSPID 0x0804 +#define TLV_TRAFFIC_PARAM 0x0810 +#define TLV_PREEMPTION 0x0820 +#define TLV_LSPID 0x0821 +#define TLV_RESOURCE_CLASS 0x0822 +#define TLV_ROUTE_PINNING 0x0823 +#define TLV_DIFFSERV 0x0901 +#define TLV_VENDOR_PRIVATE_START 0x3E00 +#define TLV_VENDOR_PRIVATE_END 0x3EFF +#define TLV_EXPERIMENTAL_START 0x3F00 +#define TLV_EXPERIMENTAL_END 0x3FFF + +static const value_string tlv_type_names[] = { + { TLV_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_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"}, + { 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 */ + +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"}, + {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 + + + +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"}, + {0, NULL}, +}; + +static const true_false_string fec_vc_cbit = { + "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, "Unsoported 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"}, + {0, NULL} +}; + +/* Define storage class for a string handler function + * with a const guint8 * argument, and returning a gchar * + */ +typedef gchar *(string_handler_func)(const guint8 *); + +/* Default handler for address to string conversion */ +static gchar * +default_str_handler(const guint8 * bytes _U_) +{ + return "<Support for this Address Family not implemented>"; +} + +/* Dissect FEC TLV */ + +static void +dissect_tlv_fec(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem) +{ + proto_tree *ti=NULL, *val_tree=NULL, *fec_tree=NULL, *vcintparam_tree=NULL; + proto_tree *cepopt_tree=NULL, *vccvtype_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; + string_handler_func *str_handler = default_str_handler; + char *str; + + if (tree) { + ti=proto_tree_add_text(tree, tvb, offset, rem, "FEC Elements"); + val_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val); + if(val_tree == NULL) return; + + 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); + if(fec_tree == NULL) return; + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_wc,tvb, offset, 1, FALSE); + 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); + if(fec_tree == NULL) return; + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_wc, tvb, offset, 1, FALSE); + offset += 1; + + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_af, tvb, offset, 2, FALSE); + offset += 2; + + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_len, tvb, offset, 1, FALSE); + 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; + } + + if( (addr=g_malloc0(addr_size)) == NULL ){ + /*big big trouble, no mem or bad addr_size*/ + fprintf(stderr, "packet-ldp: dissect_tlv_fec() malloc failed\n"); + return; + } + + 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; + g_free(addr); + 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); + if(fec_tree == NULL) return; + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_wc, tvb, offset, 1, FALSE); + offset += 1; + + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_af, tvb, offset, 2, FALSE); + offset += 2; + + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_len, tvb, offset, 1, FALSE); + 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; + } + + if( (addr=g_malloc0(addr_size)) == NULL ){ + /*big big xtrouble, no mem or bad addr_size*/ + fprintf(stderr, "packet-ldp: dissect_tlv_fec() malloc failed\n"); + return; + } + + 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; + g_free(addr); + 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); + if(fec_tree == NULL) return; + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_wc, tvb, offset, 1, FALSE); + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_vc_controlword, tvb, offset+1, 1, FALSE); + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_vc_vctype, tvb, offset+1, 2, FALSE); + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_vc_infolength, tvb, offset+3,1,FALSE); + proto_tree_add_item(fec_tree, hf_ldp_tlv_fec_vc_groupid,tvb, offset +4, 4, FALSE); + 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, FALSE); + 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); + ti = proto_tree_add_text(fec_tree, tvb, offset, intparam_len, "Interface Parameter"); + vcintparam_tree = proto_item_add_subtree(ti, ett_ldp_fec_vc_interfaceparam); + if(vcintparam_tree == NULL) return; + proto_tree_add_item(vcintparam_tree,hf_ldp_tlv_fec_vc_intparam_id,tvb,offset,1,FALSE); + proto_tree_add_item(vcintparam_tree,hf_ldp_tlv_fec_vc_intparam_length,tvb, offset+1, 1, FALSE); + if (intparam_len < 2){ /* At least Type and Len, protect against len = 0 */ + proto_tree_add_text(vcintparam_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(vcintparam_tree, tvb, offset +2, MIN(vc_len,rem), "malformed data"); + return; + } + 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,hf_ldp_tlv_fec_vc_intparam_mtu,tvb, offset+2, 2, FALSE); + 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,hf_ldp_tlv_fec_vc_intparam_tdmbps,tvb, offset+2, 4, FALSE); + 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,hf_ldp_tlv_fec_vc_intparam_maxcatmcells,tvb, offset+2, 2, FALSE); + break; + case FEC_VC_INTERFACEPARAM_DESCRIPTION: + proto_item_append_text(ti,": Description"); + proto_tree_add_item(vcintparam_tree,hf_ldp_tlv_fec_vc_intparam_desc,tvb, offset+2, (intparam_len -2), FALSE); + 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,hf_ldp_tlv_fec_vc_intparam_cepbytes,tvb, offset+2, 2, FALSE); + 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); + if(cepopt_tree == NULL) return; + proto_tree_add_item(cepopt_tree, hf_ldp_tlv_fec_vc_intparam_cepopt_ais, tvb, offset + 2, 2, FALSE); + proto_tree_add_item(cepopt_tree, hf_ldp_tlv_fec_vc_intparam_cepopt_une, tvb, offset + 2, 2, FALSE); + proto_tree_add_item(cepopt_tree, hf_ldp_tlv_fec_vc_intparam_cepopt_rtp, tvb, offset + 2, 2, FALSE); + proto_tree_add_item(cepopt_tree, hf_ldp_tlv_fec_vc_intparam_cepopt_ebm, tvb, offset + 2, 2, FALSE); + proto_tree_add_item(cepopt_tree, hf_ldp_tlv_fec_vc_intparam_cepopt_mah, tvb, offset + 2, 2, FALSE); + proto_tree_add_item(cepopt_tree, hf_ldp_tlv_fec_vc_intparam_cepopt_res, tvb, offset + 2, 2, FALSE); + proto_tree_add_item(cepopt_tree, hf_ldp_tlv_fec_vc_intparam_cepopt_ceptype, tvb, offset + 2, 2, FALSE); + proto_tree_add_item(cepopt_tree, hf_ldp_tlv_fec_vc_intparam_cepopt_t3, tvb, offset + 2, 2, FALSE); + proto_tree_add_item(cepopt_tree, hf_ldp_tlv_fec_vc_intparam_cepopt_e3, tvb, offset + 2, 2, FALSE); + 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,hf_ldp_tlv_fec_vc_intparam_vlanid, tvb, offset+2, 2, FALSE); + 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,hf_ldp_tlv_fec_vc_intparam_dlcilen, tvb, offset+2, 2, FALSE); + 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-00.txt */ + proto_item_append_text(ti,": FCS retention"); + 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,hf_ldp_tlv_fec_vc_intparam_tdmopt_r, tvb, offset+2, 2, FALSE); + proto_tree_add_item(vcintparam_tree,hf_ldp_tlv_fec_vc_intparam_tdmopt_d, tvb, offset+2, 2, FALSE); + proto_tree_add_item(vcintparam_tree,hf_ldp_tlv_fec_vc_intparam_tdmopt_f, tvb, offset+2, 2, FALSE); + proto_tree_add_item(vcintparam_tree,hf_ldp_tlv_fec_vc_intparam_tdmopt_res1, tvb, offset+2, 2, FALSE); + if (intparam_len >= 8){ + proto_tree_add_item(vcintparam_tree,hf_ldp_tlv_fec_vc_intparam_tdmopt_pt, tvb, offset+4, 1, FALSE); + proto_tree_add_item(vcintparam_tree,hf_ldp_tlv_fec_vc_intparam_tdmopt_res2, tvb, offset+5, 1, FALSE); + proto_tree_add_item(vcintparam_tree,hf_ldp_tlv_fec_vc_intparam_tdmopt_freq, tvb, offset+6, 2, FALSE); + } + if (intparam_len >= 12){ + proto_tree_add_item(vcintparam_tree,hf_ldp_tlv_fec_vc_intparam_tdmopt_ssrc, tvb, offset+8, 4, FALSE); + } + break; + case FEC_VC_INTERFACEPARAM_VCCV: + /* draft-ietf-pwe3-vccv-02.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); + if(vccvtype_tree == NULL) return; + proto_tree_add_item(vccvtype_tree, hf_ldp_tlv_fec_vc_intparam_vccv_cctype_cw, tvb, offset+2, 1, FALSE); + proto_tree_add_item(vccvtype_tree, hf_ldp_tlv_fec_vc_intparam_vccv_cctype_mplsra, tvb, offset+2, 1, FALSE); + ti = proto_tree_add_text(vcintparam_tree, tvb, offset + 2, 2, "CV Type"); + vccvtype_tree = proto_item_add_subtree(ti, ett_ldp_fec_vc_interfaceparam_vccvtype); + if(vccvtype_tree == NULL) return; + proto_tree_add_item(vccvtype_tree, hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_icmpping, tvb, offset+2, 2, FALSE); + proto_tree_add_item(vccvtype_tree, hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_lspping, tvb, offset+2, 2, FALSE); + proto_tree_add_item(vccvtype_tree, hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd, tvb, offset+2, 2, FALSE); + break; + default: /* unknown */ + proto_item_append_text(ti," unknown"); + proto_tree_add_text(vcintparam_tree,tvb, offset+2, (intparam_len -2), "Unknown data"); + + break; + } + rem -= intparam_len; + vc_len -= intparam_len; + offset += intparam_len; + } + break; + + default: /* Unknown */ + /* XXX - do all FEC's have a length that's a multiple of 4? */ + /* Hmmm, don't think so. Will check. RJS. */ + /* If we don't know its structure, we have to exit */ + ti = proto_tree_add_text(val_tree, tvb, offset, 4, "FEC Element %u", ix); + fec_tree = proto_item_add_subtree(ti, ett_ldp_fec); + if(fec_tree == NULL) return; + 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 = NULL, *val_tree = NULL; + guint16 family, ix; + guint8 addr_size, *addr; + string_handler_func *str_handler = default_str_handler; + char *str; + + if (tree) { + 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, FALSE); + 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); + + if(val_tree == NULL) return; + if( (addr=g_malloc(addr_size)) == NULL ){ + /*big big trouble*/ + fprintf(stderr, "packet-ldp: dissect_tlv_address_list() malloc failed\n"); + return; + } + + 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"); + g_free(addr); + } +} + +/* Dissect Path Vector TLV */ + +static void +dissect_tlv_path_vector(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem) +{ + proto_tree *ti = NULL, *val_tree = NULL; + guint8 ix; + guint32 addr; + + if (tree) { + ti=proto_tree_add_text(tree, tvb, offset, rem, "LSR IDs"); + val_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val); + + if(val_tree == NULL) return; + + for(ix=1; rem >= 4; ix++, offset += 4, rem -= 4) { + tvb_memcpy(tvb, (guint8 *)&addr, offset, 4); + 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 = NULL, *val_tree = NULL; + guint16 id; + + if(tree) { + 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); + if(val_tree == NULL) return; + + proto_tree_add_item(val_tree, hf_ldp_tlv_atm_label_vbits, tvb, offset, 1, FALSE); + + 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 = NULL, *val_tree = NULL; + guint8 len; + guint32 id; + + if(tree) { + 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); + if(val_tree == NULL) return; + + 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 = NULL, *val_tree = NULL; + guint32 data; + + if(tree) { + 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); + if(val_tree == NULL) return; + + proto_tree_add_item(val_tree, hf_ldp_tlv_status_ebit, tvb, offset, 1, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_status_fbit, tvb, offset, 1, FALSE); + + 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, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_status_msg_type, tvb, offset+8, 2, FALSE); + } +} + +/* Dissect Returned PDU TLV */ + +static void +dissect_tlv_returned_pdu(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem) +{ + proto_tree *ti = NULL, *val_tree = NULL; + + if(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); + if(val_tree == NULL) return; + + proto_tree_add_item(val_tree, hf_ldp_tlv_returned_version, tvb, offset, 2, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_returned_pdu_len, tvb, offset+2, 2, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_returned_lsr, tvb, offset+4, 4, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_returned_ls_id, tvb, offset+8, 2, FALSE); + 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 = NULL, *val_tree = NULL; + guint16 type; + + if(tree) { + 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); + if(val_tree == NULL) return; + + proto_tree_add_item(val_tree, hf_ldp_tlv_returned_msg_ubit, tvb, offset, 1, FALSE); + + type=tvb_get_ntohs(tvb, offset)&0x7FFF; + 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, FALSE); + 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, FALSE); + 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 = NULL; +#endif + proto_tree *val_tree = NULL; + + if (tree) { +#if 0 + ti = proto_tree_add_item(tree, hf_ldp_tlv_value, tvb, offset, rem, FALSE); + val_tree = proto_item_add_subtree(ti, ett_ldp_tlv_val); + if(val_tree == NULL) return; +#else + val_tree=tree; +#endif + proto_tree_add_item(val_tree, hf_ldp_tlv_val_hold, tvb, offset, 2, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_val_target, tvb, offset + 2, 2, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_val_request, tvb, offset + 2, 2, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_val_res, tvb, offset + 2, 2, FALSE); + } +} + +/* Dissect MAC TLV */ + +static void +dissect_tlv_mac(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem) +{ + proto_tree *ti = NULL, *val_tree = NULL; + guint8 ix; + const guint8 *mac; + + if (tree) { + ti=proto_tree_add_text(tree, tvb, offset, rem, "MAC addresses"); + val_tree=proto_item_add_subtree(ti, ett_ldp_tlv_val); + + if(val_tree == NULL) return; + + for(ix=1; rem >= 6; ix++, offset += 6, rem -= 6) { + mac = tvb_get_ptr(tvb, offset, 6); + proto_tree_add_ether(val_tree, + hf_ldp_tlv_mac, tvb, offset, 6, mac); + } + 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 = NULL, *val_tree = NULL; + + if (tree != NULL) { + 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); + + if(val_tree != NULL) { + /*Protocol Version*/ + proto_tree_add_item(val_tree, hf_ldp_tlv_sess_ver, tvb,offset, 2, FALSE); + + /*KeepAlive Time*/ + proto_tree_add_item(val_tree, hf_ldp_tlv_sess_ka, tvb,offset + 2, 2, FALSE); + + /*A bit*/ + proto_tree_add_item(val_tree, hf_ldp_tlv_sess_advbit,tvb, offset + 4, 1, FALSE); + + /*D bit*/ + proto_tree_add_item(val_tree, hf_ldp_tlv_sess_ldetbit,tvb, offset + 4, 1, FALSE); + + /*Path Vector Limit*/ + proto_tree_add_item(val_tree, hf_ldp_tlv_sess_pvlim,tvb, offset + 5, 1, FALSE); + + /*Max PDU Length*/ + proto_tree_add_item(val_tree, hf_ldp_tlv_sess_mxpdu,tvb, offset + 6, 2, FALSE); + + /*Rx LSR*/ + proto_tree_add_item(val_tree, hf_ldp_tlv_sess_rxlsr,tvb, offset + 8, 4, FALSE); + + /*Rx LS*/ + proto_tree_add_item(val_tree, hf_ldp_tlv_sess_rxls,tvb, offset + 12, 2, FALSE); + } + } +} + +/* 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 = NULL, *val_tree = NULL, *lbl_tree = NULL; + guint8 numlr, ix; + guint16 id; + + if (tree != NULL) { + 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); + + if(val_tree != NULL) { + proto_tree_add_item(val_tree, hf_ldp_tlv_sess_atm_merge,tvb, offset, 1, FALSE); + + /*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, FALSE); + + /*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); + + if( lbl_tree == NULL ) break; + + 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 = NULL, *val_tree = NULL, *lbl_tree = NULL; + guint8 numlr, ix, len; + guint32 id; + + if (tree != NULL) { + 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); + + if(val_tree != NULL) { + proto_tree_add_item(val_tree, hf_ldp_tlv_sess_fr_merge, + tvb, offset, 1, FALSE); + + /*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, FALSE); + + /*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); + + if( lbl_tree == NULL ) break; + + 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 = NULL, *val_tree = NULL, *flags_tree = NULL; + guint16 flags = 0; + + if (tree != NULL) { + 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); + + if(val_tree != NULL) { + /* Flags */ + ti = proto_tree_add_item(val_tree, hf_ldp_tlv_ft_sess_flags, tvb, offset, 2, FALSE); + flags_tree = proto_item_add_subtree(ti, ett_ldp_tlv_ft_flags); + if (flags_tree == NULL) + return; + + 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, FALSE); + proto_tree_add_item(flags_tree, hf_ldp_tlv_ft_sess_flag_res, tvb, offset, 2, FALSE); + proto_tree_add_item(flags_tree, hf_ldp_tlv_ft_sess_flag_s, tvb, offset, 2, FALSE); + proto_tree_add_item(flags_tree, hf_ldp_tlv_ft_sess_flag_a, tvb, offset, 2, FALSE); + proto_tree_add_item(flags_tree, hf_ldp_tlv_ft_sess_flag_c, tvb, offset, 2, FALSE); + proto_tree_add_item(flags_tree, hf_ldp_tlv_ft_sess_flag_l, tvb, offset, 2, FALSE); + + /* Reserved */ + proto_tree_add_item(val_tree, hf_ldp_tlv_ft_sess_res, tvb, offset + 2, 2, FALSE); + + /* FT Reconnect TO */ + proto_tree_add_item(val_tree, hf_ldp_tlv_ft_sess_reconn_to, tvb, offset + 4, + 4, FALSE); + + /* Recovery Time */ + proto_tree_add_item(val_tree, hf_ldp_tlv_ft_sess_recovery_time, tvb, offset + 8, + 4, FALSE); + } + } + +} + +static void +dissect_tlv_lspid(tvbuff_t *tvb, guint offset,proto_tree *tree, int rem) +{ + proto_tree *ti = NULL, *val_tree = NULL; + + if (tree != NULL) { + 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); + + if(val_tree != NULL) { + proto_tree_add_item(val_tree, hf_ldp_tlv_lspid_act_flg, + tvb, offset, 2, FALSE); + offset += 2; + proto_tree_add_item(val_tree, hf_ldp_tlv_lspid_cr_lsp, + tvb, offset, 2, FALSE); + offset += 2; + proto_tree_add_item(val_tree, hf_ldp_tlv_lspid_ldpid, + tvb, offset, 4, FALSE); + } + } +} + +static void +dissect_tlv_er_hop_ipv4(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem) +{ + proto_tree *ti = NULL, *val_tree = NULL; + + + if (tree != NULL) { + 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, FALSE); + offset += 3; + proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_prelen, + tvb, offset, 1, FALSE); + offset ++; + proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_prefix4, + tvb, offset, 4, FALSE); + } + } +} + +static void +dissect_tlv_er_hop_ipv6(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem) +{ + proto_tree *ti = NULL, *val_tree = NULL; + + if (tree != NULL) { + 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, FALSE); + offset += 3; + proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_prelen, + tvb, offset, 1, FALSE); + offset ++; + proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_prefix6, + tvb, offset, 16, FALSE); + } + } +} + +static void +dissect_tlv_er_hop_as(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem) +{ + proto_tree *ti = NULL, *val_tree = NULL; + + if (tree != NULL) { + 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, FALSE); + offset += 2; + proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_as, + tvb, offset, 2, FALSE); + } + } +} + +static void +dissect_tlv_er_hop_lspid(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem) +{ + proto_tree *ti = NULL, *val_tree = NULL; + + if (tree != NULL) { + 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, FALSE); + offset += 2; + proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_cr_lsp, + tvb, offset, 2, FALSE); + offset += 2; + proto_tree_add_item(val_tree, hf_ldp_tlv_er_hop_ldpid, + tvb, offset, 4, FALSE); + } + } +} + +static void +dissect_tlv_traffic(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem) +{ + proto_tree *ti = NULL, *val_tree = NULL; + guint8 val_8; + float val_f; + proto_item *pi; + + if (tree != NULL) { + 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, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_flags_weight, tvb, offset, 1, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_flags_ebs, tvb, offset, 1, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_flags_cbs, tvb, offset, 1, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_flags_cdr, tvb, offset, 1, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_flags_pbs, tvb, offset, 1, FALSE); + proto_tree_add_item(val_tree, hf_ldp_tlv_flags_pdr, tvb, offset, 1, FALSE); + + offset ++; + /* frequency */ + proto_tree_add_item(val_tree, hf_ldp_tlv_frequency, tvb, offset, 1, FALSE); + offset ++; + + /* reserver byte */ + offset ++; + + /* weight */ + pi = proto_tree_add_item(val_tree, hf_ldp_tlv_weight, tvb, offset, 1, FALSE); + 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 = NULL, *val_tree = NULL; + + if (tree != NULL) { + 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, FALSE); + } + } +} + + +static void +dissect_tlv_resource_class(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem) +{ + proto_tree *ti = NULL, *val_tree = NULL; + + if (tree != NULL) { + 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, FALSE); + } + } +} + + +static void +dissect_tlv_preemption(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem) +{ + proto_tree *ti = NULL, *val_tree = NULL; + + if (tree != NULL) { + 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, FALSE); + offset += 1; + proto_tree_add_item(val_tree, hf_ldp_tlv_hold_prio, + tvb, offset, 1, FALSE); + } + } +} + + +static void +dissect_tlv_diffserv(tvbuff_t *tvb, guint offset, proto_tree *tree, int rem) +{ + int type, mapnb, count; + 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 + }; + gint *etts[] = { + &ett_ldp_diffserv_map, + &ett_ldp_diffserv_map_phbid + }; + + 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 = NULL, *val_tree = NULL; + int len; + + if (tree != NULL) { + 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) { + len = 0; + while (rem > 0) { + len = dissect_tlv (tvb, offset, val_tree, rem); + offset += len; + rem -= len; + } + } + } +} + + +/* 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; + proto_tree *ti = NULL, *tlv_tree = NULL; + + 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 != NULL) { + /*chk for vendor-private*/ + if(type>=TLV_VENDOR_PRIVATE_START && type<=TLV_VENDOR_PRIVATE_END){ + typebak=type; /*keep type*/ + type=TLV_VENDOR_PRIVATE_START; + + /*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, "%s", + val_to_str(type, tlv_type_names, "Unknown TLV type (0x%04X)")); + tlv_tree = proto_item_add_subtree(ti, ett_ldp_tlv); + if(tlv_tree == NULL) return length+4; + + proto_tree_add_item(tlv_tree, hf_ldp_tlv_unknown, tvb, offset, 1, FALSE); + + 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, FALSE); + + 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, FALSE); + 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, FALSE); + 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, FALSE); + } + 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, FALSE); + } + 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, FALSE); + } + 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, FALSE); + } + 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, FALSE); + 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, FALSE); + 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, FALSE); + 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, FALSE); + if( length > 4 ) /*have data*/ + proto_tree_add_text(tlv_tree, tvb, offset + 8, length-4,"Data"); + } + break; + + default: + proto_tree_add_item(tlv_tree, hf_ldp_tlv_value, tvb, offset + 4, length, FALSE); + 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 *ti = NULL, *msg_tree = NULL; + + rem=tvb_reported_length_remaining(tvb, offset); + + if( rem < 8 ) {/*chk for minimum header = type + length + msg_id*/ + if( check_col(pinfo->cinfo, COL_INFO) ) + col_append_fstr(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; + } + + if( (length = tvb_get_ntohs(tvb, offset + 2)) < (4+extra) ) {/*not enough data for type*/ + if( check_col(pinfo->cinfo, COL_INFO) ) + col_append_fstr(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) ){ + col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(type, ldp_message_types, "Unknown Message (0x%04X)")); + } + + if( tree ){ + 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); + if(msg_tree == NULL) return length+4; + + proto_tree_add_item(msg_tree, hf_ldp_msg_ubit, tvb, offset, 1, FALSE); + + type=tvb_get_ntohs(tvb, offset)&0x7FFF; + 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, FALSE); + proto_tree_add_item(msg_tree, hf_ldp_msg_id, tvb, offset+4, 4, FALSE); + if(extra){ + int hf_tmp=0; + + 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; + } + proto_tree_add_item(msg_tree, hf_tmp, tvb, offset+8, extra, FALSE); + } + } + + 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; + + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_set_str(pinfo->cinfo, COL_PROTOCOL, "LDP"); + + if (check_col(pinfo->cinfo, COL_INFO)) + col_clear(pinfo->cinfo, COL_INFO); + + if( tree ){ + ti=proto_tree_add_item(tree, proto_ldp, tvb, 0, -1, FALSE); + pdu_tree = proto_item_add_subtree(ti, ett_ldp); + + proto_tree_add_item(pdu_tree, hf_ldp_version, tvb, offset, 2, FALSE); + } + + 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, FALSE); + proto_tree_add_item(pdu_tree, hf_ldp_ls_id, tvb, offset+8, 2, FALSE); + } + 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_bytes_exist(tvb, 0, 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 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 *next_tvb; + + 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 how many + * more bytes we need, and return. + */ + pinfo->desegment_offset = offset; + pinfo->desegment_len = 4 - length_remaining; + 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. + */ + TRY { + dissect_ldp_pdu(next_tvb, pinfo, tree); + } + CATCH(BoundsError) { + RETHROW; + } + CATCH(ReportedBoundsError) { + 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, "", HFILL }}, + + { &hf_ldp_rsp, + { "Response", "ldp.rsp", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "", 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_HEX, 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_DEC, NULL, 0x0, "IPv4 Transport Address", 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_DEC, NULL, 0x0, "IPv6 Transport Address", 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, "Address", 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_DEC, 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_DEC, NULL, 0x0, "Common Session Parameters LSR Identifier", HFILL }}, + + { &hf_ldp_tlv_sess_rxls, + { "Session Receiver Label Space Identifier", "ldp.msg.tlv.sess.rxlsr", 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, "Minimum VPI", HFILL }}, + + { &hf_ldp_tlv_sess_atm_minvci, + { "Minimum VCI", "ldp.msg.tlv.sess.atm.minvci", FT_UINT16, BASE_DEC, NULL, 0x0, "Minimum VCI", HFILL }}, + + { &hf_ldp_tlv_sess_atm_maxvpi, + { "Maximum VPI", "ldp.msg.tlv.sess.atm.maxvpi", FT_UINT16, BASE_DEC, NULL, 0x0FFF, "Maximum VPI", HFILL }}, + + { &hf_ldp_tlv_sess_atm_maxvci, + { "Maximum VCI", "ldp.msg.tlv.sess.atm.maxvci", FT_UINT16, BASE_DEC, NULL, 0x0, "Maximum VCI", 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, "Minimum DLCI", HFILL }}, + + { &hf_ldp_tlv_sess_fr_maxdlci, + { "Maximum DLCI", "ldp.msg.tlv.sess.fr.maxdlci", FT_UINT24, BASE_DEC, NULL, 0x7FFFFF, "Maximum DLCI", 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, "Reserved", 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, "Recovery Time", 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, "FT ACK Sequence Number", HFILL }}, + + { &hf_ldp_tlv_lbl_req_msg_id, + { "Label Request Message ID", "ldp.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, "Experiment ID", HFILL }}, + + { &hf_ldp_tlv_generic_label, + { "Generic Label", "ldp.msg.tlv.generic.label", FT_UINT32, BASE_HEX, NULL, 0x000FFFFF, "Generic Label", 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, "FT Sequence Number", 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, "Status Data", 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, "Extended Status Data", 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_DEC, 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, BASE_HEX, 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, "MAC address", 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_DEC, 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_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, 0x10, "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, 0x20, "VC FEC Interface Param VCCV CC Type MPLS Router Alert", HFILL }}, + + {&hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_icmpping, + {"ICMP Ping", "ldp.msg.tlv.fec.vc.intparam.vccv.cvtype_icmpping", FT_BOOLEAN, 16, NULL, 0x0001, "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, 16, NULL, 0x0002, "VC FEC Interface Param VCCV CV Type LSP Ping", HFILL }}, + + {&hf_ldp_tlv_fec_vc_intparam_vccv_cvtype_bfd, + {"BFD", "ldp.msg.tlv.fec.vc.intparam.vccv.cvtype_bfd", FT_BOOLEAN, 16, NULL, 0x0004, "VC FEC Interface Param VCCV CV Type BFD", 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, "Action Indicator Flag", HFILL}}, + + { &hf_ldp_tlv_lspid_cr_lsp, + { "Local CR-LSP ID", "ldp.msg.tlv.lspid.locallspid", FT_UINT16, BASE_HEX, NULL, 0x0, "Local CR-LSP ID", HFILL}}, + + { &hf_ldp_tlv_lspid_ldpid, + { "Ingress LSR Router ID", "ldp.msg.tlv.lspid.lsrid", FT_IPv4, BASE_DEC, NULL, 0x0, "Ingress LSR Router ID", 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, "Loose route bit", 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_DEC, NULL, 0x0, "IPv4 Address", HFILL}}, + { &hf_ldp_tlv_er_hop_prefix6, + { "IPv6 Address", "ldp.msg.tlv.er_hop.prefix6", FT_IPv6, BASE_DEC, NULL, 0x0, "IPv6 Address", HFILL}}, + + { &hf_ldp_tlv_er_hop_as, + { "AS Number", "ldp.msg.tlv.er_hop.as", FT_UINT16, BASE_DEC, NULL, 0x0, "AS Number", HFILL}}, + + { &hf_ldp_tlv_er_hop_cr_lsp, + { "Local CR-LSP ID", "ldp.msg.tlv.er_hop.locallspid", FT_UINT16, BASE_DEC, NULL, 0x0, "Local CR-LSP ID", HFILL}}, + + { &hf_ldp_tlv_er_hop_ldpid, + { "Local CR-LSP ID", "ldp.msg.tlv.er_hop.lsrid", FT_IPv4, BASE_DEC, NULL, 0x0, "Local CR-LSP ID", HFILL}}, + + { &hf_ldp_tlv_flags_reserv, + { "Reserved", "ldp.msg.tlv.flags_reserv", FT_UINT8, BASE_HEX, NULL, 0xC0, "Reserved", 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, "Frequency", 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, "Route Pinning", 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, "LSP Type", 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", "ldp.msg.tlv.diffserv.phbid", FT_NONE, BASE_NONE, NULL, + 0, PHBID_DESCRIPTION, HFILL}}, + + { &hf_ldp_tlv_diffserv_phbid_dscp, + { "DSCP", "ldp.msg.tlv.diffserv.phbid.dscp", FT_UINT16, BASE_DEC, + NULL, PHBID_DSCP_MASK, PHBID_DSCP_DESCRIPTION, HFILL}}, + + { &hf_ldp_tlv_diffserv_phbid_code, + { "PHB id code", "ldp.msg.tlv.diffserv.phbid.code", FT_UINT16, BASE_DEC, + NULL, PHBID_CODE_MASK, PHBID_CODE_DESCRIPTION, HFILL}}, + + { &hf_ldp_tlv_diffserv_phbid_bit14, + { "Bit 14", "ldp.msg.tlv.diffserv.phbid.bit14", FT_UINT16, BASE_DEC, + VALS(phbid_bit14_vals), PHBID_BIT14_MASK, PHBID_BIT14_DESCRIPTION, HFILL}}, + + { &hf_ldp_tlv_diffserv_phbid_bit15, + { "Bit 15", "ldp.msg.tlv.diffserv.phbid.bit15", FT_UINT16, BASE_DEC, + VALS(phbid_bit15_vals), PHBID_BIT15_MASK, PHBID_BIT15_DESCRIPTION, 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 + }; + 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", + "Desegment all LDP messages\nspanning multiple TCP segments", + "Whether the LDP dissector should desegment all messages spanning multiple TCP segments", + &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; + + 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("tcp.port", tcp_port, ldp_tcp_handle); + dissector_delete("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("tcp.port", global_ldp_tcp_port, ldp_tcp_handle); + dissector_add("udp.port", global_ldp_udp_port, ldp_handle); + +} |