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authorgram <gram@f5534014-38df-0310-8fa8-9805f1628bb7>2004-07-18 18:06:47 +0000
committergram <gram@f5534014-38df-0310-8fa8-9805f1628bb7>2004-07-18 18:06:47 +0000
commit35a6e092c3153cc7fbd1337c2230d596b0f7abcb (patch)
tree4eff24a2e16c8963e497e1fc575f35e6af59bd26 /epan/dissectors/packet-ldp.c
parent8dd1ee5ef22a787f4035d68e8e2ec8371fd23266 (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. git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@11410 f5534014-38df-0310-8fa8-9805f1628bb7
Diffstat (limited to 'epan/dissectors/packet-ldp.c')
-rw-r--r--epan/dissectors/packet-ldp.c3140
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);
+
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-18 19:51:38 +0000