wireshark/epan/dissectors/packet-mpls-echo.c

2576 lines
123 KiB
C

/* packet-mpls-echo.c
* Routines for Multiprotocol Label Switching Echo dissection
* Copyright 2004, Carlos Pignataro <cpignata@cisco.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* (c) Copyright 2011, Jaihari Kalijanakiraman <jaiharik@ipinfusion.com>
* Krishnamurthy Mayya <krishnamurthy.mayya@ipinfusion.com>
* Nikitha Malgi <malgi.nikitha@ipinfusion.com>
* - Support for LSP Ping extensions as per RFC 6426
* Mayuresh Raut <msraut@ncsu.edu>
* - Support for LSP ping over MPLS as per RFC 6424
* (c) Copyright 2012, Subramanian Ramachandran <sramach6@ncsu.edu>
* - Support for BFD for MPLS as per RFC 5884
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/addr_resolv.h>
#include <epan/expert.h>
#include <epan/to_str.h>
#include "packet-ldp.h"
#include "packet-mpls.h"
void proto_register_mpls_echo(void);
void proto_reg_handoff_mpls_echo(void);
#define UDP_PORT_MPLS_ECHO 3503
static int proto_mpls_echo = -1;
static int hf_mpls_echo_version = -1;
static int hf_mpls_echo_mbz = -1;
static int hf_mpls_echo_gflags = -1;
static int hf_mpls_echo_flag_sbz = -1;
static int hf_mpls_echo_flag_v = -1;
static int hf_mpls_echo_flag_t = -1;
static int hf_mpls_echo_flag_r = -1;
static int hf_mpls_echo_msgtype = -1;
static int hf_mpls_echo_replymode = -1;
static int hf_mpls_echo_returncode = -1;
static int hf_mpls_echo_returnsubcode = -1;
static int hf_mpls_echo_handle = -1;
static int hf_mpls_echo_sequence = -1;
static int hf_mpls_echo_ts_sent = -1;
static int hf_mpls_echo_ts_rec = -1;
static int hf_mpls_echo_tlv_type = -1;
static int hf_mpls_echo_tlv_len = -1;
static int hf_mpls_echo_tlv_value = -1;
static int hf_mpls_echo_tlv_fec_type = -1;
static int hf_mpls_echo_tlv_fec_len = -1;
static int hf_mpls_echo_tlv_fec_value = -1;
static int hf_mpls_echo_tlv_fec_ldp_ipv4 = -1;
static int hf_mpls_echo_tlv_fec_ldp_ipv4_mask = -1;
static int hf_mpls_echo_tlv_fec_ldp_ipv6 = -1;
static int hf_mpls_echo_tlv_fec_ldp_ipv6_mask = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ipv4_ipv4_endpoint = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ipv6_ipv6_endpoint = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ip_mbz1 = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ip_tunnel_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ipv4_ext_tunnel_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ipv4_ipv4_sender = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ipv6_ext_tunnel_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ipv6_ipv6_sender = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ip_mbz2 = -1;
static int hf_mpls_echo_tlv_fec_rsvp_ip_lsp_id = -1;
static int hf_mpls_echo_tlv_fec_vpn_route_dist = -1;
static int hf_mpls_echo_tlv_fec_vpn_ipv4 = -1;
static int hf_mpls_echo_tlv_fec_vpn_len = -1;
static int hf_mpls_echo_tlv_fec_vpn_ipv6 = -1;
static int hf_mpls_echo_tlv_fec_l2_vpn_route_dist = -1;
static int hf_mpls_echo_tlv_fec_l2_vpn_send_ve_id = -1;
static int hf_mpls_echo_tlv_fec_l2_vpn_recv_ve_id = -1;
static int hf_mpls_echo_tlv_fec_l2_vpn_encap_type = -1;
static int hf_mpls_echo_tlv_fec_l2cid_sender = -1;
static int hf_mpls_echo_tlv_fec_l2cid_remote = -1;
static int hf_mpls_echo_tlv_fec_l2cid_vcid = -1;
static int hf_mpls_echo_tlv_fec_l2cid_encap = -1;
static int hf_mpls_echo_tlv_fec_l2cid_mbz = -1;
static int hf_mpls_echo_tlv_fec_bgp_ipv4 = -1;
static int hf_mpls_echo_tlv_fec_bgp_ipv6 = -1;
static int hf_mpls_echo_tlv_fec_bgp_len = -1;
static int hf_mpls_echo_tlv_fec_gen_ipv4 = -1;
static int hf_mpls_echo_tlv_fec_gen_ipv4_mask = -1;
static int hf_mpls_echo_tlv_fec_gen_ipv6 = -1;
static int hf_mpls_echo_tlv_fec_gen_ipv6_mask = -1;
static int hf_mpls_echo_tlv_fec_nil_label = -1;
static int hf_mpls_echo_tlv_ds_map_mtu = -1;
static int hf_mpls_echo_tlv_ds_map_addr_type = -1;
static int hf_mpls_echo_tlv_ds_map_res = -1;
static int hf_mpls_echo_tlv_ds_map_flag_res = -1;
static int hf_mpls_echo_tlv_ds_map_flag_i = -1;
static int hf_mpls_echo_tlv_ds_map_flag_n = -1;
static int hf_mpls_echo_tlv_ds_map_ds_ip = -1;
static int hf_mpls_echo_tlv_ds_map_int_ip = -1;
static int hf_mpls_echo_tlv_ds_map_if_index = -1;
static int hf_mpls_echo_tlv_ds_map_ds_ipv6 = -1;
static int hf_mpls_echo_tlv_ds_map_int_ipv6 = -1;
static int hf_mpls_echo_tlv_ds_map_hash_type = -1;
static int hf_mpls_echo_tlv_ds_map_depth = -1;
static int hf_mpls_echo_tlv_ds_map_muti_len = -1;
static int hf_mpls_echo_tlv_ds_map_mp_ip = -1;
static int hf_mpls_echo_tlv_ds_map_mp_mask = -1;
static int hf_mpls_echo_tlv_ds_map_mp_ip_low = -1;
static int hf_mpls_echo_tlv_ds_map_mp_ip_high = -1;
static int hf_mpls_echo_tlv_ds_map_mp_no_multipath_info = -1;
static int hf_mpls_echo_tlv_ds_map_mp_value = -1;
static int hf_mpls_echo_tlv_ds_map_mp_label = -1;
static int hf_mpls_echo_tlv_ds_map_mp_exp = -1;
static int hf_mpls_echo_tlv_ds_map_mp_bos = -1;
static int hf_mpls_echo_tlv_ds_map_mp_proto = -1;
static int hf_mpls_echo_tlv_dd_map_mtu = -1;
static int hf_mpls_echo_tlv_dd_map_addr_type = -1;
static int hf_mpls_echo_tlv_dd_map_res = -1;
static int hf_mpls_echo_tlv_dd_map_flag_res = -1;
static int hf_mpls_echo_tlv_dd_map_flag_i = -1;
static int hf_mpls_echo_tlv_dd_map_flag_n = -1;
static int hf_mpls_echo_tlv_dd_map_ds_ip = -1;
static int hf_mpls_echo_tlv_dd_map_int_ip = -1;
static int hf_mpls_echo_tlv_dd_map_ds_ipv6 = -1;
static int hf_mpls_echo_tlv_dd_map_int_ipv6 = -1;
static int hf_mpls_echo_tlv_dd_map_return_code = -1;
static int hf_mpls_echo_tlv_dd_map_return_subcode = -1;
static int hf_mpls_echo_tlv_dd_map_subtlv_len = -1;
static int hf_mpls_echo_tlv_dd_map_ingress_if_num = -1;
static int hf_mpls_echo_tlv_dd_map_egress_if_num = -1;
static int hf_mpls_echo_sub_tlv_multipath_type = -1;
static int hf_mpls_echo_sub_tlv_multipath_length = -1;
static int hf_mpls_echo_sub_tlv_multipath_value = -1;
static int hf_mpls_echo_sub_tlv_resv = -1;
static int hf_mpls_echo_sub_tlv_multipath_info = -1;
/* static int hf_mpls_echo_tlv_ddstlv_map_mp_label = -1; */
static int hf_mpls_echo_tlv_ddstlv_map_mp_proto = -1;
/* static int hf_mpls_echo_tlv_ddstlv_map_mp_exp = -1; */
/* static int hf_mpls_echo_tlv_ddstlv_map_mp_bos = -1; */
static int hf_mpls_echo_sub_tlv_multipath_ip = -1;
static int hf_mpls_echo_sub_tlv_mp_ip_low = -1;
static int hf_mpls_echo_sub_tlv_mp_ip_high = -1;
static int hf_mpls_echo_sub_tlv_mp_mask = -1;
static int hf_mpls_echo_sub_tlv_op_type = -1;
static int hf_mpls_echo_sub_tlv_addr_type = -1;
static int hf_mpls_echo_sub_tlv_fec_tlv_value = -1;
static int hf_mpls_echo_sub_tlv_label = -1;
static int hf_mpls_echo_sub_tlv_traffic_class = -1;
static int hf_mpls_echo_sub_tlv_s_bit = -1;
static int hf_mpls_echo_sub_tlv_res = -1;
static int hf_mpls_echo_sub_tlv_remote_peer_unspecified = -1;
static int hf_mpls_echo_sub_tlv_remote_peer_ip = -1;
static int hf_mpls_echo_sub_tlv_remore_peer_ipv6 = -1;
static int hf_mpls_echo_tlv_dd_map_type = -1;
static int hf_mpls_echo_tlv_dd_map_length = -1;
static int hf_mpls_echo_tlv_dd_map_value = -1;
static int hf_mpls_echo_tlv_padaction = -1;
static int hf_mpls_echo_tlv_padding = -1;
static int hf_mpls_echo_tlv_vendor = -1;
static int hf_mpls_echo_tlv_ilso_addr_type = -1;
static int hf_mpls_echo_tlv_ilso_mbz = -1;
static int hf_mpls_echo_tlv_ilso_ipv4_addr = -1;
static int hf_mpls_echo_tlv_ilso_ipv4_int_addr = -1;
static int hf_mpls_echo_tlv_ilso_ipv6_addr = -1;
static int hf_mpls_echo_tlv_ilso_ipv6_int_addr = -1;
static int hf_mpls_echo_tlv_ilso_int_index = -1;
static int hf_mpls_echo_tlv_ilso_label = -1;
static int hf_mpls_echo_tlv_ilso_exp = -1;
static int hf_mpls_echo_tlv_ilso_bos = -1;
static int hf_mpls_echo_tlv_ilso_ttl = -1;
#if 0
static int hf_mpls_echo_tlv_rto_ipv4 = -1;
static int hf_mpls_echo_tlv_rto_ipv6 = -1;
#endif
static int hf_mpls_echo_tlv_reply_tos = -1;
static int hf_mpls_echo_tlv_reply_tos_mbz = -1;
static int hf_mpls_echo_tlv_errored_type = -1;
static int hf_mpls_echo_tlv_ds_map_ingress_if_num = -1;
static int hf_mpls_echo_tlv_ds_map_egress_if_num = -1;
static int hf_mpls_echo_lspping_tlv_src_gid = -1;
static int hf_mpls_echo_lspping_tlv_src_nid = -1;
static int hf_mpls_echo_lspping_tlv_src_tunnel_no = -1;
static int hf_mpls_echo_lspping_tlv_lsp_no = -1;
static int hf_mpls_echo_lspping_tlv_dst_gid = -1;
static int hf_mpls_echo_lspping_tlv_dst_nid = -1;
static int hf_mpls_echo_lspping_tlv_dst_tunnel_no = -1;
static int hf_mpls_echo_lspping_tlv_resv = -1;
static int hf_mpls_echo_lspping_tlv_src_addr_gid = -1;
static int hf_mpls_echo_lspping_tlv_src_addr_nid=-1;
static int hf_mpls_echo_lspping_tlv_pw_serv_identifier = -1;
static int hf_mpls_echo_lspping_tlv_pw_src_ac_id = -1;
static int hf_mpls_echo_lspping_tlv_pw_dst_ac_id = -1;
static int hf_mpls_echo_padding = -1;
/* static int hf_mpls_echo_lspping_tlv_pw_agi_type = -1; */
/* static int hf_mpls_echo_lspping_tlv_pw_agi_len = -1; */
/* static int hf_mpls_echo_lspping_tlv_pw_agi_val = -1; */
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_p2mp_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz1 = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_tunnel_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_ext_tunnel_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_ipv4_sender = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz2 = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_lsp_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_p2mp_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_ext_tunnel_id = -1;
static int hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_ipv6_sender = -1;
static int hf_mpls_echo_tlv_echo_jitter = -1;
static int hf_mpls_echo_tlv_responder_indent_type = -1;
static int hf_mpls_echo_tlv_responder_indent_len = -1;
static int hf_mpls_echo_tlv_responder_indent_ipv4 = -1;
/* static int hf_mpls_echo_tlv_responder_indent_ipv6 = -1; */
static int hf_mpls_echo_tlv_bfd = -1;
static gint ett_mpls_echo = -1;
static gint ett_mpls_echo_gflags = -1;
static gint ett_mpls_echo_tlv = -1;
static gint ett_mpls_echo_tlv_fec = -1;
static gint ett_mpls_echo_tlv_ds_map = -1;
static gint ett_mpls_echo_tlv_ilso = -1;
static gint ett_mpls_echo_tlv_dd_map = -1;
static gint ett_mpls_echo_tlv_ddstlv_map = -1;
static expert_field ei_mpls_echo_tlv_fec_len = EI_INIT;
static expert_field ei_mpls_echo_tlv_dd_map_subtlv_len = EI_INIT;
static expert_field ei_mpls_echo_tlv_len = EI_INIT;
static expert_field ei_mpls_echo_tlv_ds_map_muti_len = EI_INIT;
static expert_field ei_mpls_echo_unknown_address_type = EI_INIT;
static expert_field ei_mpls_echo_incorrect_address_type = EI_INIT;
static expert_field ei_mpls_echo_malformed = EI_INIT;
static const value_string mpls_echo_msgtype[] = {
{1, "MPLS Echo Request"},
{2, "MPLS Echo Reply"},
{3, "MPLS Data Plane Verification Request"},
{4, "MPLS Data Plane Verification Reply"},
{0, NULL}
};
static const value_string mpls_echo_replymode[] = {
{1, "Do not reply"},
{2, "Reply via an IPv4/IPv6 UDP packet"},
{3, "Reply via an IPv4/IPv6 UDP packet with Router Alert"},
{4, "Reply via application level control channel"},
{0, NULL}
};
/* http://www.iana.org/assignments/mpls-lsp-ping-parameters/mpls-lsp-ping-parameters.xml */
static const value_string mpls_echo_returncode[] = {
{ 0, "No return code"},
{ 1, "Malformed echo request received"},
{ 2, "One or more of the TLVs was not understood"},
{ 3, "Replying router is an egress for the FEC at stack depth RSC"},
{ 4, "Replying router has no mapping for the FEC at stack depth RSC"},
{ 5, "Downstream Mapping Mismatch"}, /*[RFC4379] */
{ 6, "Upstream Interface Index Unknown"}, /*[RFC4379]*/
{ 7, "Reserved"},
{ 8, "Label switched at stack-depth RSC"},
{ 9, "Label switched but no MPLS forwarding at stack-depth RSC"},
{10, "Mapping for this FEC is not the given label at stack depth RSC"},
{11, "No label entry at stack-depth RSC"},
{12, "Protocol not associated with interface at FEC stack depth RSC"},
{13, "Premature termination, label stack shrinking to a single label"},
{14, "See DDM TLV for meaning of Return Code and Return SubCode"}, /* [RFC6424] */
{15, "Label switched with FEC change"}, /* [RFC6424] */
/* 16-251 Unassigned */
/* 252-255 Reserved for Vendor private use [RFC4379 */
{0, NULL}
};
static value_string_ext mpls_echo_returncode_ext = VALUE_STRING_EXT_INIT(mpls_echo_returncode);
#define TLV_TARGET_FEC_STACK 0x0001
#define TLV_DOWNSTREAM_MAPPING 0x0002
#define TLV_PAD 0x0003
#define TLV_ERROR_CODE 0x0004
#define TLV_VENDOR_CODE 0x0005
#define TLV_TBD 0x0006
#define TLV_ILSO_IPv4 0x0007
#define TLV_ILSO_IPv6 0x0008
#define TLV_ERRORED_TLV 0x0009
#define TLV_REPLY_TOS 0x000A
#if 0
#define TLV_RTO_IPv4 0x000B
#define TLV_RTO_IPv6 0x000C
#endif
#define TLV_P2MP_RESPONDER_IDENT 0x000B
#define TLV_P2MP_ECHO_JITTER 0x000C
/* As per RFC 6426 http://tools.ietf.org/html/rfc6426 Section: 2.2.1 */
#define TLV_SRC_IDENTIFIER 0x000D
#define TLV_DST_IDENTIFIER 0x000E
/* As per RFC 5884 http://tools.ietf.org/html/rfc5884 Section: 6.1 */
#define TLV_BFD_DISCRIMINATOR 0x000F
/* As per RFC 6426 http://tools.ietf.org/html/rfc6426 Section: 7.3 */
#define TLV_REVERSE_PATH_FEC_STACK 0x0010
#define TLV_DETAILED_DOWNSTREAM 0x0014 /* [RFC6424] */
#define TLV_VENDOR_PRIVATE_START 0xFC00
#define TLV_VENDOR_PRIVATE_END 0xFFFF
/* MPLS Echo TLV Type names */
static const value_string mpls_echo_tlv_type_names[] = {
{ TLV_TARGET_FEC_STACK, "Target FEC Stack" },
{ TLV_DOWNSTREAM_MAPPING, "Downstream Mapping" },
{ TLV_PAD, "Pad" },
{ TLV_ERROR_CODE, "Error Code" },
{ TLV_VENDOR_CODE, "Vendor Enterprise Code" },
{ TLV_TBD, "TDB" },
{ TLV_ILSO_IPv4, "IPv4 Interface and Label Stack Object" },
{ TLV_ILSO_IPv6, "IPv6 Interface and Label Stack Object" },
{ TLV_ERRORED_TLV, "Errored TLVs" },
{ TLV_REPLY_TOS, "Reply TOS Byte" },
#if 0
{ TLV_RTO_IPv4, "IPv4 Reply-to Object" },
{ TLV_RTO_IPv6, "IPv6 Reply-to Object" },
#endif
{ TLV_P2MP_RESPONDER_IDENT, "P2MP Responder Identifier" },
{ TLV_P2MP_ECHO_JITTER, "P2MP Echo Jitter" },
{ TLV_SRC_IDENTIFIER, "Source Identifier TLV" },
{ TLV_DST_IDENTIFIER, "Destination Identifier TLV" },
{ TLV_BFD_DISCRIMINATOR, "BFD Discriminator TLV" },
{ TLV_REVERSE_PATH_FEC_STACK, "Reverse-path Target FEC Stack" },
{ TLV_DETAILED_DOWNSTREAM, "Detailed Downstream Mapping"},
{ TLV_VENDOR_PRIVATE_START, "Vendor Private" },
{ 0, NULL}
};
static value_string_ext mpls_echo_tlv_type_names_ext = VALUE_STRING_EXT_INIT(mpls_echo_tlv_type_names);
/*As per RFC 4379, http://tools.ietf.org/html/rfc4379 Section: 3.2 */
#define TLV_FEC_STACK_LDP_IPv4 1
#define TLV_FEC_STACK_LDP_IPv6 2
#define TLV_FEC_STACK_RSVP_IPv4 3
#define TLV_FEC_STACK_RSVP_IPv6 4
#define TLV_FEC_STACK_RES 5
#define TLV_FEC_STACK_VPN_IPv4 6
#define TLV_FEC_STACK_VPN_IPv6 7
#define TLV_FEC_STACK_L2_VPN 8
#define TLV_FEC_STACK_L2_CID_OLD 9
#define TLV_FEC_STACK_L2_CID_NEW 10
#define TLV_FEC_STACK_L2_FEC_129 11
#define TLV_FEC_STACK_BGP_LAB_v4 12
#define TLV_FEC_STACK_BGP_LAB_v6 13
#define TLV_FEC_STACK_GEN_IPv4 14
#define TLV_FEC_STACK_GEN_IPv6 15
#define TLV_FEC_STACK_NIL 16
/*As per RFC 6425, http://tools.ietf.org/html/rfc6425 Section: 3.1 */
#define TLV_FEC_STACK_P2MP_IPv4 17
#define TLV_FEC_STACK_P2MP_IPv6 18
/*As per RFC 6426, http://tools.ietf.org/html/rfc6426 Section: 2.3 */
#define TLV_FEC_STACK_STATIC_LSP 22
#define TLV_FEC_STACK_STATIC_PW 23
#define TLV_FEC_VENDOR_PRIVATE_START 0xFC00
#define TLV_FEC_VENDOR_PRIVATE_END 0xFFFF
/* FEC sub-TLV Type names */
static const value_string mpls_echo_tlv_fec_names[] = {
{ TLV_FEC_STACK_LDP_IPv4, "LDP IPv4 prefix"},
{ TLV_FEC_STACK_LDP_IPv6, "LDP IPv6 prefix"},
{ TLV_FEC_STACK_RSVP_IPv4, "RSVP IPv4 Session Query"},
{ TLV_FEC_STACK_RSVP_IPv6, "RSVP IPv6 Session Query"},
{ TLV_FEC_STACK_RES, "Reserved"},
{ TLV_FEC_STACK_VPN_IPv4, "VPN IPv4 prefix"},
{ TLV_FEC_STACK_VPN_IPv6, "VPN IPv6 prefix"},
{ TLV_FEC_STACK_L2_VPN, "L2 VPN endpoint"},
{ TLV_FEC_STACK_L2_CID_OLD, "FEC 128 Pseudowire (old)"},
{ TLV_FEC_STACK_L2_CID_NEW, "FEC 128 Pseudowire (new)"},
{ TLV_FEC_STACK_L2_FEC_129, "FEC 129 Pseudowire"},
{ TLV_FEC_STACK_BGP_LAB_v4, "BGP labeled IPv4 prefix"},
{ TLV_FEC_STACK_BGP_LAB_v6, "BGP labeled IPv6 prefix"},
{ TLV_FEC_STACK_GEN_IPv4, "Generic IPv4 prefix"},
{ TLV_FEC_STACK_GEN_IPv6, "Generic IPv6 prefix"},
{ TLV_FEC_STACK_NIL, "Nil FEC"},
{ TLV_FEC_STACK_P2MP_IPv4, "RSVP P2MP IPv4 Session Query"},
{ TLV_FEC_STACK_P2MP_IPv6, "RSVP P2MP IPv6 Session Query"},
{ TLV_FEC_STACK_STATIC_LSP, "Static LSP"},
{ TLV_FEC_STACK_STATIC_PW, "Static Pseudowire"},
{ TLV_FEC_VENDOR_PRIVATE_START, "Vendor Private"},
{ 0, NULL}
};
static value_string_ext mpls_echo_tlv_fec_names_ext = VALUE_STRING_EXT_INIT(mpls_echo_tlv_fec_names);
/* [RFC 6424] */
#define TLV_FEC_MULTIPATH_DATA 1
#define TLV_FEC_LABEL_STACK 2
#define TLV_FEC_STACK_CHANGE 3
#if 0
static const value_string mpls_echo_subtlv_names[] = {
{ TLV_FEC_MULTIPATH_DATA, "Multipath data"},
{ TLV_FEC_LABEL_STACK, "Label stack"},
{ TLV_FEC_STACK_CHANGE, "FEC stack change"},
{ 0, NULL}
};
#endif
/* [RFC 6424] */
#define TLV_MULTIPATH_NO_MULTIPATH 0
#define TLV_MULTIPATH_IP_ADDRESS 2
#define TLV_MULTIPATH_IP_ADDRESS_RANGE 4
#define TLV_MULTIPATH_BIT_MASKED_IP 8
#define TLV_MULTIPATH_BIT_MASKED_LABEL_SET 9
#if 0
static const value_string mpls_echo_multipathtlv_type[] = {
{ TLV_MULTIPATH_NO_MULTIPATH, "Empty (Multipath Length = 0)"},
{ TLV_MULTIPATH_IP_ADDRESS, "IP addresses"},
{ TLV_MULTIPATH_IP_ADDRESS_RANGE, "low/high address pairs"},
{ TLV_MULTIPATH_BIT_MASKED_IP, "IP address prefix and bit mask"},
{ TLV_MULTIPATH_BIT_MASKED_LABEL_SET, "Label prefix and bit mask"},
{ 0, NULL}
};
#endif
/* [RFC 6424] */
#define SUB_TLV_FEC_PUSH 1
#define SUB_TLV_FEC_POP 2
const value_string mpls_echo_subtlv_op_types[] = {
{ SUB_TLV_FEC_PUSH, "Push"},
{ SUB_TLV_FEC_POP, "Pop"},
{ 0, NULL}
};
/* [RFC 6424] */
#define SUB_TLV_FEC_UNSPECIFIED 0
#define SUB_TLV_FEC_IPV4 1
#define SUB_TLV_FEC_IPV6 2
const value_string mpls_echo_subtlv_addr_types[] = {
{ SUB_TLV_FEC_UNSPECIFIED, "Unspecified"},
{ SUB_TLV_FEC_IPV4, "IPv4"},
{ SUB_TLV_FEC_IPV6, "IPv6"},
{ 0, NULL}
};
static const value_string mpls_echo_tlv_pad[] = {
{ 1, "Drop Pad TLV from reply" },
{ 2, "Copy Pad TLV to reply" },
{ 0, NULL}
};
/* [RFC 6425] */
#define TLV_P2MP_RESPONDER_IDENT_IPV4_EGRESS_ADDR 1
#define TLV_P2MP_RESPONDER_IDENT_IPV6_EGRESS_ADDR 2
#define TLV_P2MP_RESPONDER_IDENT_IPV4_NODE_ADDR 3
#define TLV_P2MP_RESPONDER_IDENT_IPV6_NODE_ADDR 4
static const value_string mpls_echo_tlv_responder_ident_sub_tlv_type[] = {
{ TLV_P2MP_RESPONDER_IDENT_IPV4_EGRESS_ADDR, "IPv4 Egress Address P2MP Responder Identifier"},
{ TLV_P2MP_RESPONDER_IDENT_IPV6_EGRESS_ADDR, "IPv6 Egress Address P2MP Responder Identifier"},
{ TLV_P2MP_RESPONDER_IDENT_IPV4_NODE_ADDR, "IPv4 Node Address P2MP Responder Identifier"},
{ TLV_P2MP_RESPONDER_IDENT_IPV6_NODE_ADDR, "IPv6 Node Address P2MP Responder Identifier"},
{0, NULL}
};
#define TLV_ADDR_IPv4 1
#define TLV_ADDR_UNNUM_IPv4 2
#define TLV_ADDR_IPv6 3
#define TLV_ADDR_UNNUM_IPv6 4
/* As per RFC 6426, http://tools.ietf.org/html/rfc6426 Section: 2.1 */
#define TLV_ADDR_NONIP 5
static const value_string mpls_echo_tlv_addr_type[] = {
{TLV_ADDR_IPv4, "IPv4 Numbered"},
{TLV_ADDR_UNNUM_IPv4, "IPv4 Unnumbered"},
{TLV_ADDR_IPv6, "IPv6 Numbered"},
{TLV_ADDR_UNNUM_IPv6, "IPv6 Unnumbered"},
{TLV_ADDR_NONIP, "Non IP"},
{0, NULL}
};
#define TLV_DS_MAP_HASH_NO_MP 0
#define TLV_DS_MAP_HASH_LABEL 1
#define TLV_DS_MAP_HASH_IP 2
#define TLV_DS_MAP_HASH_LABEL_RANGE 3
#define TLV_DS_MAP_HASH_IP_RANGE 4
#define TLV_DS_MAP_HASH_NO_LABEL 5
#define TLV_DS_MAP_HASH_ALL_IP 6
#define TLV_DS_MAP_HASH_NO_MATCH 7
#define TLV_DS_MAP_HASH_BITMASK_IP 8
#define TLV_DS_MAP_HASH_BITMASK_LABEL 9
static const value_string mpls_echo_tlv_ds_map_hash_type[] = {
{TLV_DS_MAP_HASH_NO_MP, "no multipath"},
{TLV_DS_MAP_HASH_LABEL, "label"},
{TLV_DS_MAP_HASH_IP, "IP address"},
{TLV_DS_MAP_HASH_LABEL_RANGE, "label range"},
{TLV_DS_MAP_HASH_IP_RANGE, "IP address range"},
{TLV_DS_MAP_HASH_NO_LABEL, "no more labels"},
{TLV_DS_MAP_HASH_ALL_IP, "All IP addresses"},
{TLV_DS_MAP_HASH_NO_MATCH, "no match"},
{TLV_DS_MAP_HASH_BITMASK_IP, "Bit-masked IPv4 address set"},
{TLV_DS_MAP_HASH_BITMASK_LABEL, "Bit-masked label set"},
{0, NULL}
};
static value_string_ext mpls_echo_tlv_ds_map_hash_type_ext = VALUE_STRING_EXT_INIT(mpls_echo_tlv_ds_map_hash_type);
static const value_string mpls_echo_tlv_ds_map_mp_proto[] = {
{0, "Unknown"},
{1, "Static"},
{2, "BGP"},
{3, "LDP"},
{4, "RSVP-TE"},
{5, "Reserved"},
{0, NULL}
};
/*
* Dissector for FEC sub-TLVs
*/
static void
dissect_mpls_echo_tlv_fec(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *tlv_fec_tree;
guint16 idx = 1, nil_idx = 1, type, saved_type;
int length, nil_length, pad;
guint32 label;
guint8 exp, bos, ttl;
while (rem >= 4) { /* Type, Length */
type = tvb_get_ntohs(tvb, offset);
saved_type = type;
/* Check for Vendor Private sub-TLVs */
if (type >= TLV_FEC_VENDOR_PRIVATE_START) /* && <= TLV_FEC_VENDOR_PRIVATE_END always true */
type = TLV_FEC_VENDOR_PRIVATE_START;
length = tvb_get_ntohs(tvb, offset + 2);
ti = NULL;
tlv_fec_tree = NULL;
if (tree) {
tlv_fec_tree = proto_tree_add_subtree_format(tree, tvb, offset, length + 4 + (4-(length%4)),
ett_mpls_echo_tlv_fec, NULL, "FEC Element %u: %s",
idx, val_to_str_ext(type, &mpls_echo_tlv_fec_names_ext,
"Unknown FEC type (0x%04X)"));
/* FEC sub-TLV Type and Length */
proto_tree_add_uint_format_value(tlv_fec_tree, hf_mpls_echo_tlv_fec_type, tvb,
offset, 2, saved_type, "%s (%u)",
val_to_str_ext_const(type, &mpls_echo_tlv_fec_names_ext,
"Unknown sub-TLV type"), saved_type);
ti = proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_len, tvb, offset + 2,
2, ENC_BIG_ENDIAN);
}
if (length + 4 > rem) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length (claimed %u, found %u)",
length, rem - 4);
return;
}
/* FEC sub-TLV Value */
switch (type) {
case TLV_FEC_STACK_LDP_IPv4:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_ldp_ipv4,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_ldp_ipv4_mask,
tvb, offset + 8, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_LDP_IPv6:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_ldp_ipv6,
tvb, offset + 4, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_ldp_ipv6_mask,
tvb, offset + 20, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_RSVP_IPv4:
if (length != 20) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length "
"(claimed %u, should be %u)",
length, 20);
return;
}
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ipv4_ipv4_endpoint,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_mbz1,
tvb, offset + 8, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_tunnel_id,
tvb, offset + 10, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ipv4_ext_tunnel_id,
tvb, offset + 12, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ipv4_ipv4_sender,
tvb, offset + 16, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_mbz2,
tvb, offset + 20, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_lsp_id,
tvb, offset + 22, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_RSVP_IPv6:
if (length != 56) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length "
"(claimed %u, should be %u)",
length, 56);
return;
}
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ipv6_ipv6_endpoint,
tvb, offset + 4, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_mbz1,
tvb, offset + 20, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_tunnel_id,
tvb, offset + 22, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ipv6_ext_tunnel_id,
tvb, offset + 24, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ipv6_ipv6_sender,
tvb, offset + 40, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_mbz2,
tvb, offset + 56, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_lsp_id,
tvb, offset + 58, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_VPN_IPv4:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_vpn_route_dist,
tvb, offset + 4, 8, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_vpn_ipv4,
tvb, offset + 12, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_vpn_len,
tvb, offset + 16, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_VPN_IPv6:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_vpn_route_dist,
tvb, offset + 4, 8, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_vpn_ipv6,
tvb, offset + 12, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_vpn_len,
tvb, offset + 28, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_L2_VPN:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2_vpn_route_dist,
tvb, offset + 4, 8, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2_vpn_send_ve_id,
tvb, offset + 12, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2_vpn_recv_ve_id,
tvb, offset + 14, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2_vpn_encap_type,
tvb, offset + 16, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_L2_CID_OLD:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_remote,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_vcid,
tvb, offset + 8, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_encap,
tvb, offset + 12, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_mbz,
tvb, offset + 14, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_L2_CID_NEW:
if (length < 14) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length "
"(claimed %u, should be %u)",
length, 14);
return;
}
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_sender,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_remote,
tvb, offset + 8, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_vcid,
tvb, offset + 12, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_encap,
tvb, offset + 16, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_l2cid_mbz,
tvb, offset + 18, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_VENDOR_PRIVATE_START:
if (length < 4) { /* SMI Enterprise code */
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length "
"(claimed %u, should be >= %u)",
length, 4);
} else {
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_vendor, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_value, tvb,
offset + 8, length - 4, ENC_NA);
}
}
break;
case TLV_FEC_STACK_BGP_LAB_v4:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_bgp_ipv4,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_bgp_len,
tvb, offset + 8, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_BGP_LAB_v6:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_bgp_ipv6,
tvb, offset + 4, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_bgp_len,
tvb, offset + 20, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_GEN_IPv4:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_gen_ipv4,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_gen_ipv4_mask,
tvb, offset + 8, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_GEN_IPv6:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_gen_ipv6,
tvb, offset + 4, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_gen_ipv6_mask,
tvb, offset + 20, 1, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_NIL:
nil_length = length;
while (nil_length >= 4) {
decode_mpls_label(tvb, offset + 4, &label, &exp, &bos, &ttl);
if (label <= MPLS_LABEL_MAX_RESERVED) {
proto_tree_add_uint_format(tlv_fec_tree, hf_mpls_echo_tlv_fec_nil_label,
tvb, offset + 4, 3, label, "Label %u: %u (%s)", nil_idx, label,
val_to_str_const(label, special_labels, "Reserved - Unknown"));
} else {
proto_tree_add_uint_format(tlv_fec_tree, hf_mpls_echo_tlv_fec_nil_label,
tvb, offset + 4, 3, label, "Label %u: %u", nil_idx, label);
}
nil_length -= 4;
offset += 4;
nil_idx++;
}
break;
case TLV_FEC_STACK_P2MP_IPv4:
if (length != 20) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length "
"(claimed %u, should be %u)",
length, 20);
return;
}
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_p2mp_id,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz1,
tvb, offset + 8, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_tunnel_id,
tvb, offset + 10, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_ext_tunnel_id,
tvb, offset + 12, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_ipv4_sender,
tvb, offset + 16, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz2,
tvb, offset + 20, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_lsp_id,
tvb, offset + 22, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_P2MP_IPv6:
if (length != 56) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Length "
"(claimed %u, should be %u)",
length, 56);
return;
}
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_p2mp_id,
tvb, offset + 4, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz1,
tvb, offset + 20, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_tunnel_id,
tvb, offset + 22, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_ext_tunnel_id,
tvb, offset + 24, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_ipv6_sender,
tvb, offset + 40, 16, ENC_NA);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_ip_mbz2,
tvb, offset + 56, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_lsp_id,
tvb, offset + 58, 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_STATIC_LSP:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_src_gid,
tvb, (offset + 4), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_src_nid,
tvb, (offset + 8), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_src_tunnel_no,
tvb, (offset + 12), 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_lsp_no,
tvb, (offset + 14), 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_dst_gid,
tvb, (offset + 16), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_dst_nid,
tvb, (offset + 20), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_dst_tunnel_no,
tvb, (offset + 24), 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_resv,
tvb, (offset + 26), 2, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_STATIC_PW:
if (tree) {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_pw_serv_identifier,
tvb, (offset + 4), 8, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_src_gid,
tvb, (offset + 12), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_src_nid,
tvb, (offset + 16), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_pw_src_ac_id,
tvb, (offset + 20), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_dst_gid,
tvb, (offset + 24), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_dst_nid,
tvb, (offset + 28), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_lspping_tlv_pw_dst_ac_id,
tvb, (offset + 32), 4, ENC_BIG_ENDIAN);
}
break;
case TLV_FEC_STACK_RES:
default:
if (length)
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_tlv_fec_value,
tvb, offset + 4, length, ENC_NA);
break;
}
/*
* Check for padding based on sub-TLV length alignment;
* FEC sub-TLVs is zero-padded to align to four-octet boundary.
*/
if (length % 4) {
pad = 4 - (length % 4);
if (length + 4 + pad > rem) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_fec_len,
"Invalid FEC Sub-TLV Padded Length (claimed %u, found %u)",
length + pad, rem - 4);
return;
} else {
proto_tree_add_item(tlv_fec_tree, hf_mpls_echo_padding, tvb, offset + 4 + length, pad, ENC_NA);
}
length += pad;
}
rem -= 4 + length;
offset += 4 + length;
idx++;
}
}
/*
* Dissector for Downstream Mapping TLV
*/
static void
dissect_mpls_echo_tlv_ds_map(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
proto_tree *ti, *tlv_ds_map_tree;
proto_tree *addr_ti;
guint16 mplen, idx = 1;
guint32 label;
guint8 exp, bos, proto;
guint8 hash_type, addr_type;
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_mtu, tvb,
offset, 2, ENC_BIG_ENDIAN);
addr_ti = proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_addr_type, tvb,
offset + 2, 1, ENC_BIG_ENDIAN);
ti = proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_res, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
tlv_ds_map_tree = proto_item_add_subtree(ti, ett_mpls_echo_tlv_ds_map);
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_flag_res, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_flag_i, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_flag_n, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
addr_type = tvb_get_guint8(tvb, offset + 2);
switch (addr_type) {
case TLV_ADDR_IPv4:
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_ds_ip, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_int_ip, tvb,
offset + 8, 4, ENC_BIG_ENDIAN);
break;
case TLV_ADDR_UNNUM_IPv4:
case TLV_ADDR_UNNUM_IPv6:
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_ds_ip, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_if_index, tvb,
offset + 8, 4, ENC_BIG_ENDIAN);
break;
case TLV_ADDR_IPv6:
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_ds_ipv6, tvb,
offset + 4, 16, ENC_NA);
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_int_ipv6, tvb,
offset + 20, 16, ENC_NA);
rem -= 24;
offset += 24;
break;
case TLV_ADDR_NONIP :
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_ingress_if_num, tvb,
(offset + 4), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_egress_if_num, tvb,
(offset + 8), 4, ENC_BIG_ENDIAN);
break;
default:
expert_add_info_format(pinfo, addr_ti, &ei_mpls_echo_unknown_address_type,
"Unknown Address Type (%u)", addr_type);
break;
}
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_hash_type, tvb,
offset + 12, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_depth, tvb,
offset + 13, 1, ENC_BIG_ENDIAN);
ti = proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_muti_len, tvb,
offset + 14, 2, ENC_BIG_ENDIAN);
/* Get the Multipath Length and Hash Type */
mplen = tvb_get_ntohs(tvb, offset + 14);
hash_type = tvb_get_guint8(tvb, offset + 12);
rem -= 16;
offset += 16;
if (rem < mplen) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_ds_map_muti_len,
"Invalid FEC Multipath (claimed %u, found %u)",
mplen, rem);
return;
}
rem -= mplen;
if (mplen) {
switch (hash_type) {
case TLV_DS_MAP_HASH_IP:
if (mplen != 4) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_ds_map_muti_len,
"Invalid FEC Multipath (claimed %u, should be 4)",
mplen);
break;
}
tlv_ds_map_tree = proto_tree_add_subtree(tree, tvb, offset, 4,
ett_mpls_echo_tlv_ds_map, NULL, "Multipath Information");
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_ip, tvb,
offset, 4, ENC_BIG_ENDIAN);
break;
case TLV_DS_MAP_HASH_IP_RANGE:
if (mplen != 8) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_ds_map_muti_len,
"Invalid FEC Multipath (claimed %u, should be 8)",
mplen);
break;
}
tlv_ds_map_tree = proto_tree_add_subtree(tree, tvb, offset, 8,
ett_mpls_echo_tlv_ds_map, NULL, "Multipath Information");
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_ip_low, tvb,
offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_ip_high, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
break;
case TLV_DS_MAP_HASH_NO_MP:
case TLV_DS_MAP_HASH_NO_LABEL:
case TLV_DS_MAP_HASH_ALL_IP:
case TLV_DS_MAP_HASH_NO_MATCH:
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_mp_no_multipath_info, tvb, offset, mplen, ENC_NA);
break;
case TLV_DS_MAP_HASH_BITMASK_IP:
if (mplen < 4) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_ds_map_muti_len,
"Invalid FEC Multipath (claimed %u, should be 4)",
mplen);
break;
}
tlv_ds_map_tree = proto_tree_add_subtree(tree, tvb, offset, mplen,
ett_mpls_echo_tlv_ds_map, NULL, "Multipath Information");
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_ip, tvb,
offset, 4, ENC_BIG_ENDIAN);
if (mplen > 4)
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_mask, tvb,
offset + 4, mplen - 4, ENC_NA);
break;
default:
proto_tree_add_item(tree, hf_mpls_echo_tlv_ds_map_mp_value, tvb,
offset, mplen, ENC_NA);
break;
}
}
offset += mplen;
if (tree) {
while (rem >= 4) {
decode_mpls_label(tvb, offset, &label, &exp, &bos, &proto);
tlv_ds_map_tree = proto_tree_add_subtree_format(tree, tvb, offset, 4,
ett_mpls_echo_tlv_ds_map, &ti, "Downstream Label Element %u", idx);
proto_item_append_text(ti, ", Label: %u", label);
if (label <= MPLS_LABEL_MAX_RESERVED) {
proto_tree_add_uint(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_label,
tvb, offset, 3, label);
proto_item_append_text(ti, " (%s)", val_to_str_const(label, special_labels,
"Reserved - Unknown"));
} else {
proto_tree_add_uint_format_value(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_label,
tvb, offset, 3, label, "%u", label);
}
proto_item_append_text(ti, ", Exp: %u, BOS: %u", exp, bos);
proto_tree_add_uint(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_exp,
tvb, offset + 2, 1, exp);
proto_tree_add_uint(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_bos,
tvb, offset + 2, 1, bos);
proto_tree_add_item(tlv_ds_map_tree, hf_mpls_echo_tlv_ds_map_mp_proto,
tvb, offset + 3, 1, ENC_BIG_ENDIAN);
proto_item_append_text(ti, ", Protocol: %u (%s)", proto,
val_to_str_const(proto, mpls_echo_tlv_ds_map_mp_proto, "Unknown"));
rem -= 4;
offset += 4;
idx++;
}
}
}
/* Dissector for Detailed Downstream Mapping TLV - RFC [6424] */
static void
dissect_mpls_echo_tlv_dd_map(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
proto_tree *ddti = NULL, *tlv_dd_map_tree, *tlv_ddstlv_map_tree;
proto_tree *ddsti, *ddsti2;
guint16 subtlv_length, subtlv_type, multipath_length;
guint8 addr_type, multipath_type, fec_tlv_length;
guint16 idx = 1;
guint32 label;
guint8 tc, s_bit, proto;
if (tree) {
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_mtu, tvb,
offset, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_addr_type, tvb,
offset + 2, 1, ENC_BIG_ENDIAN);
ddti = proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_res, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
tlv_dd_map_tree = proto_item_add_subtree(ddti, ett_mpls_echo_tlv_dd_map);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_tlv_dd_map_flag_res, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_tlv_dd_map_flag_i, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
ddti = proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_tlv_dd_map_flag_n, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
}
addr_type = tvb_get_guint8(tvb, offset + 2);
switch (addr_type) {
case TLV_ADDR_IPv4:
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_ds_ip, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_int_ip, tvb,
offset + 8, 4, ENC_BIG_ENDIAN);
break;
case TLV_ADDR_IPv6:
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_ds_ipv6, tvb,
offset + 4, 16, ENC_NA);
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_int_ipv6, tvb,
offset + 20, 16, ENC_NA);
rem -= 24;
offset += 24;
break;
case TLV_ADDR_NONIP :
proto_tree_add_item (tree, hf_mpls_echo_tlv_dd_map_ingress_if_num, tvb,
(offset + 4), 4, ENC_BIG_ENDIAN);
proto_tree_add_item (tree, hf_mpls_echo_tlv_dd_map_egress_if_num, tvb,
(offset + 8), 4, ENC_BIG_ENDIAN);
break;
default:
expert_add_info_format(pinfo, ddti, &ei_mpls_echo_unknown_address_type,
"Unknown Address Type (%u)", addr_type);
break;
}
if (tree) {
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_return_code, tvb,
offset + 12, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_return_subcode, tvb,
offset + 13, 1, ENC_BIG_ENDIAN);
ddti = proto_tree_add_item(tree, hf_mpls_echo_tlv_dd_map_subtlv_len, tvb,
offset + 14, 2, ENC_BIG_ENDIAN);
}
rem -= 16;
offset += 16;
while (rem > 4) {
/* Get the Sub-tlv Type and Length */
subtlv_type = tvb_get_ntohs(tvb, offset);
subtlv_length = tvb_get_ntohs(tvb, offset+2);
rem -= 4;
offset += 4;
if (rem<subtlv_length){
expert_add_info_format(pinfo, ddti, &ei_mpls_echo_tlv_dd_map_subtlv_len,
"Invalid Sub-tlv Length (claimed %u, found %u)",
subtlv_length, rem);
return;
}
switch (subtlv_type) {
case TLV_FEC_MULTIPATH_DATA:
multipath_type = tvb_get_guint8(tvb, offset);
multipath_length = tvb_get_ntohs(tvb, offset + 1);
tlv_dd_map_tree = proto_tree_add_subtree(tree, tvb, offset - 4, multipath_length + 8,
ett_mpls_echo_tlv_dd_map, &ddsti, "Multipath sub-TLV");
switch (multipath_type) {
case TLV_MULTIPATH_NO_MULTIPATH:
if (!tree)
break;
proto_tree_add_item(tlv_dd_map_tree,
hf_mpls_echo_sub_tlv_multipath_type, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree,
hf_mpls_echo_sub_tlv_multipath_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_resv, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
tlv_ddstlv_map_tree = proto_tree_add_subtree(tlv_dd_map_tree, tvb, offset + 4, multipath_length,
ett_mpls_echo_tlv_ddstlv_map, NULL, "Empty (Multipath Length = 0)");
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_multipath_info,
tvb, offset + 4, multipath_length, ENC_NA);
break;
case TLV_MULTIPATH_IP_ADDRESS:
if (multipath_length != 4) {
expert_add_info_format(pinfo, ddsti, &ei_mpls_echo_tlv_dd_map_subtlv_len,
"Invalid Sub-tlv Length (claimed %u, should be 4)",
multipath_length);
break;
}
if (!tree)
break;
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_type, tvb,
offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree,
hf_mpls_echo_sub_tlv_multipath_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_resv, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
tlv_ddstlv_map_tree = proto_tree_add_subtree(tlv_dd_map_tree, tvb, offset + 4, multipath_length,
ett_mpls_echo_tlv_ddstlv_map, NULL, "Multipath Information (IP addresses)");
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_multipath_ip, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
break;
case TLV_MULTIPATH_IP_ADDRESS_RANGE:
if (multipath_length != 8) {
expert_add_info_format(pinfo, ddsti, &ei_mpls_echo_tlv_dd_map_subtlv_len,
"Invalid Sub-tlv Length (claimed %u, should be 8)",
multipath_length);
break;
}
if (!tree)
break;
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_type, tvb,
offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree,
hf_mpls_echo_sub_tlv_multipath_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_resv, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
tlv_ddstlv_map_tree = proto_tree_add_subtree(tlv_dd_map_tree, tvb, offset + 4, multipath_length,
ett_mpls_echo_tlv_ddstlv_map, NULL, "Multipath Information (low/high address pairs)");
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_mp_ip_low, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_mp_ip_high, tvb,
offset + 8, 4, ENC_BIG_ENDIAN);
break;
case TLV_MULTIPATH_BIT_MASKED_IP:
if (multipath_length < 4) {
expert_add_info_format(pinfo, ddsti, &ei_mpls_echo_tlv_dd_map_subtlv_len,
"Invalid Sub-tlv Length (claimed %u, should be >= 4)",
multipath_length);
break;
}
if (!tree)
break;
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_type, tvb,
offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree,
hf_mpls_echo_sub_tlv_multipath_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_resv, tvb,
offset + 3, 1, ENC_BIG_ENDIAN);
tlv_ddstlv_map_tree = proto_tree_add_subtree(tlv_dd_map_tree, tvb, offset + 4, multipath_length,
ett_mpls_echo_tlv_ddstlv_map, NULL, "Multipath Information (IP address prefix and bit mask)");
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_multipath_ip, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
if (multipath_length > 4)
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_mp_mask,
tvb, offset + 8, multipath_length - 4, ENC_NA);
break;
case TLV_MULTIPATH_BIT_MASKED_LABEL_SET:
proto_tree_add_uint_format(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_type, tvb, offset, 1, multipath_type,
"Multipath Information (Label prefix and bit mask)");
break;
default:
if (!tree)
break;
proto_tree_add_uint_format(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_type, tvb, offset, 1, multipath_type,
"Multipath Type not identified (%u)", multipath_type);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_type, tvb,
offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree,
hf_mpls_echo_sub_tlv_multipath_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_multipath_value, tvb,
offset + 3, rem, ENC_NA);
break;
}
rem -= (multipath_length + 4);
break;
case TLV_FEC_LABEL_STACK:
tlv_dd_map_tree = proto_tree_add_subtree(tree, tvb, offset - 4, subtlv_length + 4,
ett_mpls_echo_tlv_dd_map, NULL, "Label stack sub-TLV");
while (rem >= 4) {
if (tree) {
decode_mpls_label(tvb, offset, &label, &tc, &s_bit, &proto);
tlv_ddstlv_map_tree = proto_tree_add_subtree_format(tlv_dd_map_tree, tvb, offset, 4,
ett_mpls_echo_tlv_ddstlv_map, &ddsti2, "Downstream Label Element %u", idx);
proto_item_append_text(ddsti2, ", Label: %u , Protocol: %u", label, proto);
proto_tree_add_uint(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_label, tvb, offset, 3, label);
proto_tree_add_uint(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_traffic_class, tvb, offset + 2, 1, tc);
proto_tree_add_uint(tlv_ddstlv_map_tree, hf_mpls_echo_sub_tlv_s_bit, tvb, offset + 2, 1, s_bit);
proto_tree_add_item(tlv_ddstlv_map_tree, hf_mpls_echo_tlv_ddstlv_map_mp_proto,
tvb, offset + 3, 1, ENC_BIG_ENDIAN);
}
rem -= 4;
offset += 4;
idx++;
}
break;
case TLV_FEC_STACK_CHANGE: {
addr_type = tvb_get_guint8(tvb, offset + 1);
fec_tlv_length = tvb_get_guint8(tvb, offset + 2);
tlv_dd_map_tree = proto_tree_add_subtree(tree, tvb, offset - 4, fec_tlv_length + 12,
ett_mpls_echo_tlv_dd_map, NULL, "Stack change sub-TLV");
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_op_type, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_addr_type, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_fec_tlv_value, tvb, offset + 2, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_res, tvb, offset + 3, 1, ENC_BIG_ENDIAN);
switch (addr_type) {
case SUB_TLV_FEC_UNSPECIFIED:
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_remote_peer_unspecified, tvb, offset + 4, 0, ENC_NA);
rem += 4;
offset -= 4;
break;
case SUB_TLV_FEC_IPV4:
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_remote_peer_ip, tvb, offset + 4, 4, ENC_BIG_ENDIAN);
break;
case SUB_TLV_FEC_IPV6:
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_sub_tlv_remore_peer_ipv6, tvb, offset + 4, 16, ENC_NA);
rem -= 12;
offset += 12;
break;
}
offset -= 8;
dissect_mpls_echo_tlv_fec(tvb, pinfo, offset, tlv_dd_map_tree, fec_tlv_length);
rem -= (fec_tlv_length + 8);
break;
}
default:
tlv_dd_map_tree = proto_tree_add_subtree(tree, tvb, offset, subtlv_length, ett_mpls_echo_tlv_dd_map, NULL, "Error processing sub-TLV");
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_tlv_dd_map_type, tvb, offset - 4, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_tlv_dd_map_length, tvb, offset - 2, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tlv_dd_map_tree, hf_mpls_echo_tlv_dd_map_value, tvb, offset, subtlv_length, ENC_NA);
rem -= subtlv_length;
break;
}
}
}
/*
* Dissector for IPv4 and IPv6 Interface and Label Stack Object
*/
static void
dissect_mpls_echo_tlv_ilso(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem, gboolean is_ipv6)
{
proto_tree *ti;
guint8 type;
guint16 idx = 1;
guint32 label;
guint8 exp, bos, ttl;
ti = proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_addr_type, tvb, offset, 1, ENC_BIG_ENDIAN);
type = tvb_get_guint8(tvb, offset);
offset += 1;
rem -= 1;
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_mbz, tvb, offset, 3, ENC_BIG_ENDIAN);
offset += 3;
rem -= 3;
if ((type == TLV_ADDR_IPv4) || (type == TLV_ADDR_UNNUM_IPv4)) {
if (is_ipv6) {
expert_add_info(pinfo, ti, &ei_mpls_echo_incorrect_address_type);
}
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_ipv4_addr, tvb,
offset, 4, ENC_BIG_ENDIAN);
if (type == TLV_ADDR_IPv4) {
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_ipv4_int_addr, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
} else {
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_int_index, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
}
offset += 8;
rem -= 8;
} else if ((type == TLV_ADDR_IPv6) || (type == TLV_ADDR_UNNUM_IPv6)) {
if (!is_ipv6) {
expert_add_info(pinfo, ti, &ei_mpls_echo_incorrect_address_type);
}
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_ipv6_addr, tvb,
offset, 16, ENC_NA);
if (type == TLV_ADDR_IPv6) {
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_ipv6_int_addr, tvb,
offset + 16, 16, ENC_NA);
offset += 32;
rem -= 32;
} else {
proto_tree_add_item(tree, hf_mpls_echo_tlv_ilso_int_index, tvb,
offset + 16, 4, ENC_BIG_ENDIAN);
offset += 20;
rem -= 20;
}
} else {
expert_add_info(pinfo, ti, &ei_mpls_echo_incorrect_address_type);
return;
}
if (tree) {
while (rem >= 4) {
proto_tree *tlv_ilso;
decode_mpls_label(tvb, offset, &label, &exp, &bos, &ttl);
tlv_ilso = proto_tree_add_subtree_format(tree, tvb, offset, 4, ett_mpls_echo_tlv_ilso, &ti, "Label Stack Element %u", idx);
proto_item_append_text(ti, ", Label: %u", label);
if (label <= MPLS_LABEL_MAX_RESERVED) {
proto_tree_add_uint_format_value(tlv_ilso, hf_mpls_echo_tlv_ilso_label,
tvb, offset, 3, label, "%u (%s)", label,
val_to_str_const(label, special_labels, "Reserved - Unknown"));
proto_item_append_text(ti, " (%s)", val_to_str_const(label, special_labels,
"Reserved - Unknown"));
} else {
proto_tree_add_uint_format_value(tlv_ilso, hf_mpls_echo_tlv_ilso_label,
tvb, offset, 3, label, "%u", label);
}
proto_item_append_text(ti, ", Exp: %u, BOS: %u, TTL: %u",
exp, bos, ttl);
proto_tree_add_uint(tlv_ilso, hf_mpls_echo_tlv_ilso_exp,
tvb, offset + 2, 1, exp);
proto_tree_add_uint(tlv_ilso, hf_mpls_echo_tlv_ilso_bos,
tvb, offset + 2, 1, bos);
proto_tree_add_item(tlv_ilso, hf_mpls_echo_tlv_ilso_ttl,
tvb, offset + 3, 1, ENC_BIG_ENDIAN);
rem -= 4;
offset += 4;
idx++;
}
}
}
static int
dissect_mpls_echo_tlv(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem, gboolean in_errored);
/*
* Dissector for Errored TLVs
*/
static void
dissect_mpls_echo_tlv_errored(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem)
{
int errored_tlv_length;
while (rem >= 4) {
errored_tlv_length = dissect_mpls_echo_tlv(tvb, pinfo, offset, tree, rem, TRUE);
rem -= errored_tlv_length;
offset += errored_tlv_length;
}
}
/*
* Dissector for MPLS Echo TLVs and return bytes consumed
*/
static int
dissect_mpls_echo_tlv(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, int rem, gboolean in_errored)
{
proto_tree *ti = NULL, *mpls_echo_tlv_tree = NULL;
guint16 type, saved_type;
int length;
length = tvb_reported_length_remaining(tvb, offset);
rem = MIN(rem, length);
if ( rem < 4 ) { /* Type Length */
proto_tree_add_expert_format(tree, pinfo, &ei_mpls_echo_tlv_len, tvb, offset, rem,
"Error processing TLV: length is %d, should be >= 4", rem);
return rem;
}
type = tvb_get_ntohs(tvb, offset);
length = tvb_get_ntohs(tvb, offset + 2);
rem -= 4; /* do not count Type Length */
length = MIN(length, rem);
/* Check for Vendor Private TLVs */
saved_type = type;
if (type >= TLV_VENDOR_PRIVATE_START) /* && <= TLV_VENDOR_PRIVATE_END always true */
type = TLV_VENDOR_PRIVATE_START;
if (tree) {
mpls_echo_tlv_tree = proto_tree_add_subtree_format(tree, tvb, offset, length + 4, ett_mpls_echo_tlv, NULL,
"%s%s", in_errored ? "Errored TLV Type: " : "",
val_to_str_ext(type, &mpls_echo_tlv_type_names_ext, "Unknown TLV type (0x%04X)"));
/* MPLS Echo TLV Type and Length */
if (in_errored) {
proto_tree_add_uint_format_value(mpls_echo_tlv_tree, hf_mpls_echo_tlv_errored_type, tvb,
offset, 2, saved_type, "%s (%u)",
val_to_str_ext_const(type, &mpls_echo_tlv_type_names_ext,
"Unknown TLV type"), saved_type);
} else {
proto_tree_add_uint_format_value(mpls_echo_tlv_tree, hf_mpls_echo_tlv_type, tvb,
offset, 2, saved_type, "%s (%u)",
val_to_str_ext_const(type, &mpls_echo_tlv_type_names_ext,
"Unknown TLV type"), saved_type);
}
ti = proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_len, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
}
/* MPLS Echo TLV Value */
if (length == 0)
return 4; /* Empty TLV, return Type and Length consumed. */
switch (type) {
case TLV_TARGET_FEC_STACK:
dissect_mpls_echo_tlv_fec(tvb, pinfo, offset + 4, mpls_echo_tlv_tree, length);
break;
case TLV_PAD:
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_padaction, tvb,
offset + 4, 1, ENC_BIG_ENDIAN);
if (length > 1)
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_padding, tvb,
offset + 5, length - 1, ENC_NA);
break;
case TLV_VENDOR_CODE:
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_vendor, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
break;
case TLV_ILSO_IPv4:
if (length < 12) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be >= 12)",
length);
break;
}
dissect_mpls_echo_tlv_ilso(tvb, pinfo, offset + 4, mpls_echo_tlv_tree, length, FALSE);
break;
case TLV_ILSO_IPv6:
if (length < 24) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be >= 24)",
length);
break;
}
dissect_mpls_echo_tlv_ilso(tvb, pinfo, offset + 4, mpls_echo_tlv_tree, length, TRUE);
break;
#if 0
case TLV_RTO_IPv4:
if (length != 4) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be 4)",
length);
break;
}
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_rto_ipv4,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
break;
case TLV_RTO_IPv6:
if (length != 16) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be 16)",
length);
break;
}
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_rto_ipv6,
tvb, offset + 4, 16, ENC_NA);
break;
#endif
case TLV_P2MP_ECHO_JITTER:
if (length != 4) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be 4)",
length);
break;
}
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_echo_jitter,
tvb, offset + 4, 4, ENC_BIG_ENDIAN);
break;
case TLV_P2MP_RESPONDER_IDENT: {
guint16 resp_ident_type, resp_ident_len;
proto_item *hidden_item;
resp_ident_type = tvb_get_ntohs(tvb, offset + 4);
resp_ident_len = tvb_get_ntohs(tvb, offset + 6);
/* Check addr length */
switch (resp_ident_type) {
case TLV_P2MP_RESPONDER_IDENT_IPV4_EGRESS_ADDR:
case TLV_P2MP_RESPONDER_IDENT_IPV4_NODE_ADDR:
if (resp_ident_len != 4) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be 4)",
length);
break;
}
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_responder_indent_type,
tvb, offset + 4, 2, ENC_BIG_ENDIAN);
hidden_item = proto_tree_add_item(mpls_echo_tlv_tree,
hf_mpls_echo_tlv_responder_indent_len, tvb,
offset + 6, 2, ENC_BIG_ENDIAN);
PROTO_ITEM_SET_HIDDEN(hidden_item);
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_responder_indent_ipv4,
tvb, offset + 8, 4, ENC_BIG_ENDIAN);
break;
case TLV_P2MP_RESPONDER_IDENT_IPV6_EGRESS_ADDR:
case TLV_P2MP_RESPONDER_IDENT_IPV6_NODE_ADDR:
if (resp_ident_len != 16) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be 16)",
length);
break;
}
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_responder_indent_type,
tvb, offset + 4, 2, ENC_BIG_ENDIAN);
hidden_item = proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_responder_indent_len,
tvb, offset + 6, 2, ENC_BIG_ENDIAN);
PROTO_ITEM_SET_HIDDEN(hidden_item);
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_responder_indent_ipv4,
tvb, offset + 8, 16, ENC_BIG_ENDIAN);
break;
}
break;
}
case TLV_VENDOR_PRIVATE_START:
if (length < 4) { /* SMI Enterprise code */
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be >= 4)",
length);
} else {
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_vendor, tvb,
offset + 4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_value, tvb,
offset + 8, length - 4, ENC_NA);
}
break;
case TLV_DOWNSTREAM_MAPPING:
if (length < 16) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be >= 16)",
length);
break;
}
dissect_mpls_echo_tlv_ds_map(tvb, pinfo, offset + 4, mpls_echo_tlv_tree, length);
break;
case TLV_DETAILED_DOWNSTREAM: /* [RFC 6424] */
if (length < 16) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be >= 16)",
length);
break;
}
dissect_mpls_echo_tlv_dd_map(tvb, pinfo, offset + 4, mpls_echo_tlv_tree, length);
break;
case TLV_ERRORED_TLV:
if (in_errored)
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_value, tvb,
offset + 4, length, ENC_NA);
else
dissect_mpls_echo_tlv_errored(tvb, pinfo, offset + 4, mpls_echo_tlv_tree, length);
break;
case TLV_REPLY_TOS:
if (length != 4) {
expert_add_info_format(pinfo, ti, &ei_mpls_echo_tlv_len,
"Invalid TLV Length (claimed %u, should be 4)",
length);
break;
}
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_reply_tos, tvb,
offset + 4, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_reply_tos_mbz, tvb,
offset + 5, 3, ENC_BIG_ENDIAN);
break;
case TLV_SRC_IDENTIFIER:
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_lspping_tlv_src_addr_gid,
tvb, (offset + 4), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_lspping_tlv_src_addr_nid,
tvb, (offset + 8), 4, ENC_BIG_ENDIAN);
break;
case TLV_DST_IDENTIFIER:
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_lspping_tlv_src_addr_gid,
tvb, (offset + 4), 4, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_lspping_tlv_src_addr_nid,
tvb, (offset + 8), 4, ENC_BIG_ENDIAN);
break;
case TLV_BFD_DISCRIMINATOR:
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_bfd,
tvb, (offset + 4), 4, ENC_BIG_ENDIAN);
break;
case TLV_REVERSE_PATH_FEC_STACK:
dissect_mpls_echo_tlv_fec (tvb, pinfo, (offset + 4), mpls_echo_tlv_tree, length);
break ;
case TLV_ERROR_CODE:
default:
proto_tree_add_item(mpls_echo_tlv_tree, hf_mpls_echo_tlv_value, tvb,
offset + 4, length, ENC_NA);
break;
}
return length + 4; /* Length of the Value field + Type Length */
}
#define MSGTYPE_MPLS_ECHO(msgtype) ((msgtype == 1) || (msgtype == 2))
#define MSGTYPE_DATAPLANE(msgtype) ((msgtype == 3) || (msgtype == 4))
/*
* Dissector for MPLS Echo (LSP PING) packets
*/
static int
dissect_mpls_echo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
int offset = 0, rem = 0, len;
proto_item *ti = NULL;
proto_tree *mpls_echo_tree = NULL;
guint8 msgtype;
/* If version != 1 we assume it's not an mpls ping packet */
if (tvb_captured_length(tvb) < 5) {
return 0; /* Not enough information to tell version and message type. */
}
if (tvb_get_ntohs(tvb, 0) != 1) {
return 0; /* Not version 1. */
}
/* Make entries in Protocol column and Info column on summary display */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "MPLS ECHO");
/* Clear the info column so it's sane if we crash. We fill it in later when
* we've dissected more of the packet. */
col_clear(pinfo->cinfo, COL_INFO);
rem = tvb_reported_length_remaining(tvb, offset);
/* Get the message type and fill in the Column info */
msgtype = tvb_get_guint8(tvb, offset + 4);
/* The minimum fixed part of the packet is 16 Bytes or 32 Bytes depending on Msg Type */
if ( ((!MSGTYPE_MPLS_ECHO(msgtype)) && (rem < 16)) ||
((MSGTYPE_MPLS_ECHO(msgtype)) && (rem < 32)) ) {
col_set_str(pinfo->cinfo, COL_INFO, "Malformed Message");
ti = proto_tree_add_item(tree, proto_mpls_echo, tvb, 0, -1, ENC_NA);
expert_add_info_format(pinfo, ti, &ei_mpls_echo_malformed, "Error processing Message: length is %d, should be >= %u",
rem, (MSGTYPE_MPLS_ECHO(msgtype)) ? 32 : 16);
return 0;
}
col_add_str(pinfo->cinfo, COL_INFO,
val_to_str(msgtype, mpls_echo_msgtype, "Unknown Message Type (0x%02X)"));
if (tree) {
/* Add subtree and dissect the fixed part of the message */
ti = proto_tree_add_item(tree, proto_mpls_echo, tvb, 0, -1, ENC_NA);
mpls_echo_tree = proto_item_add_subtree(ti, ett_mpls_echo);
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_version, tvb, offset, 2, ENC_BIG_ENDIAN);
if (MSGTYPE_MPLS_ECHO(msgtype)) {
proto_tree *mpls_echo_gflags;
ti = proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_gflags, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
mpls_echo_gflags = proto_item_add_subtree(ti, ett_mpls_echo_gflags);
proto_tree_add_item(mpls_echo_gflags,
hf_mpls_echo_flag_sbz, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_gflags,
hf_mpls_echo_flag_v, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_gflags,
hf_mpls_echo_flag_t, tvb, (offset + 2), 2, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_gflags,
hf_mpls_echo_flag_r, tvb, (offset + 2), 2, ENC_BIG_ENDIAN);
} else {
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_mbz, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
}
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_msgtype, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_replymode, tvb, offset + 5, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_returncode, tvb, offset + 6, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_returnsubcode, tvb, offset + 7, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_handle, tvb, offset + 8, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tree,
hf_mpls_echo_sequence, tvb, offset + 12, 4, ENC_BIG_ENDIAN);
if (MSGTYPE_MPLS_ECHO(msgtype)) {
proto_tree_add_item(mpls_echo_tree, hf_mpls_echo_ts_sent, tvb,
offset + 16, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
proto_tree_add_item(mpls_echo_tree, hf_mpls_echo_ts_rec, tvb,
offset + 24, 8, ENC_TIME_NTP|ENC_BIG_ENDIAN);
}
}
if (MSGTYPE_MPLS_ECHO(msgtype)) {
offset += 32;
rem -= 32;
} else {
offset += 16;
rem -= 16;
}
/* Dissect all TLVs */
while (tvb_reported_length_remaining(tvb, offset) > 0 ) {
len = dissect_mpls_echo_tlv(tvb, pinfo, offset, mpls_echo_tree, rem, FALSE);
offset += len;
rem -= len;
}
return tvb_captured_length(tvb);
}
/* Register the protocol with Wireshark */
void
proto_register_mpls_echo(void)
{
static hf_register_info hf[] = {
{ &hf_mpls_echo_version,
{ "Version", "mpls_echo.version",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO Version Number", HFILL}
},
{ &hf_mpls_echo_mbz,
{ "MBZ", "mpls_echo.mbz",
FT_UINT16, BASE_HEX, NULL, 0x0, "MPLS ECHO Must be Zero", HFILL}
},
{ &hf_mpls_echo_gflags,
{ "Global Flags", "mpls_echo.flags",
FT_UINT16, BASE_HEX, NULL, 0x0, "MPLS ECHO Global Flags", HFILL}
},
{ &hf_mpls_echo_flag_sbz,
{ "Reserved", "mpls_echo.flag_sbz",
FT_UINT16, BASE_HEX, NULL, 0xFFF8, "MPLS ECHO Reserved Flags", HFILL}
},
{ &hf_mpls_echo_flag_v,
{ "Validate FEC Stack", "mpls_echo.flag_v",
FT_BOOLEAN, 16, NULL, 0x0001, "MPLS ECHO Validate FEC Stack Flag", HFILL}
},
{ &hf_mpls_echo_flag_t,
{ "Respond only if TTL expired", "mpls_echo.flag_t",
FT_BOOLEAN, 16, NULL, 0x0002, "MPLS ECHO Respond only if TTL expired Flag", HFILL}
},
{ &hf_mpls_echo_flag_r,
{ "Validate Reverse Path", "mpls_echo.flag_r",
FT_BOOLEAN, 16, NULL, 0x0004, "MPLS ECHO Validate Reverse Path Flag", HFILL}
},
{ &hf_mpls_echo_msgtype,
{ "Message Type", "mpls_echo.msg_type",
FT_UINT8, BASE_DEC, VALS(mpls_echo_msgtype), 0x0, "MPLS ECHO Message Type", HFILL}
},
{ &hf_mpls_echo_replymode,
{ "Reply Mode", "mpls_echo.reply_mode",
FT_UINT8, BASE_DEC, VALS(mpls_echo_replymode), 0x0, "MPLS ECHO Reply Mode", HFILL}
},
{ &hf_mpls_echo_returncode,
{ "Return Code", "mpls_echo.return_code",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &mpls_echo_returncode_ext, 0x0, "MPLS ECHO Return Code", HFILL}
},
{ &hf_mpls_echo_returnsubcode,
{ "Return Subcode", "mpls_echo.return_subcode",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO Return Subcode", HFILL}
},
{ &hf_mpls_echo_handle,
{ "Sender's Handle", "mpls_echo.sender_handle",
FT_UINT32, BASE_HEX, NULL, 0x0, "MPLS ECHO Sender's Handle", HFILL}
},
{ &hf_mpls_echo_sequence,
{ "Sequence Number", "mpls_echo.sequence",
FT_UINT32, BASE_DEC, NULL, 0x0, "MPLS ECHO Sequence Number", HFILL}
},
{ &hf_mpls_echo_ts_sent,
{ "Timestamp Sent", "mpls_echo.timestamp_sent",
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, "MPLS ECHO Timestamp Sent", HFILL}
},
{ &hf_mpls_echo_ts_rec,
{ "Timestamp Received", "mpls_echo.timestamp_rec",
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0x0, "MPLS ECHO Timestamp Received", HFILL}
},
{ &hf_mpls_echo_tlv_type,
{ "Type", "mpls_echo.tlv.type",
FT_UINT16, BASE_DEC | BASE_EXT_STRING, &mpls_echo_tlv_type_names_ext, 0x0,
"MPLS ECHO TLV Type", HFILL}
},
{ &hf_mpls_echo_tlv_len,
{ "Length", "mpls_echo.tlv.len",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Length", HFILL}
},
{ &hf_mpls_echo_tlv_value,
{ "Value", "mpls_echo.tlv.value",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Value", HFILL}
},
{ &hf_mpls_echo_tlv_fec_type,
{ "Type", "mpls_echo.tlv.fec.type",
FT_UINT16, BASE_DEC | BASE_EXT_STRING, &mpls_echo_tlv_fec_names_ext, 0x0,
"MPLS ECHO TLV FEC Stack Type", HFILL}
},
{ &hf_mpls_echo_tlv_fec_len,
{ "Length", "mpls_echo.tlv.fec.len",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_value,
{ "Value", "mpls_echo.tlv.fec.value",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack Value", HFILL}
},
{ &hf_mpls_echo_tlv_fec_ldp_ipv4,
{ "IPv4 Prefix", "mpls_echo.tlv.fec.ldp_ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack LDP IPv4", HFILL}
},
{ &hf_mpls_echo_tlv_fec_ldp_ipv4_mask,
{ "Prefix Length", "mpls_echo.tlv.fec.ldp_ipv4_mask",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack LDP IPv4 Prefix Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_ldp_ipv6,
{ "IPv6 Prefix", "mpls_echo.tlv.fec.ldp_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack LDP IPv6", HFILL}
},
{ &hf_mpls_echo_tlv_fec_ldp_ipv6_mask,
{ "Prefix Length", "mpls_echo.tlv.fec.ldp_ipv6_mask",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack LDP IPv6 Prefix Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ipv4_ipv4_endpoint,
{ "IPv4 Tunnel endpoint address", "mpls_echo.tlv.fec.rsvp_ipv4_ep",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP IPv4 Tunnel Endpoint Address", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ipv6_ipv6_endpoint,
{ "IPv6 Tunnel endpoint address", "mpls_echo.tlv.fec.rsvp_ipv6_ep",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP IPv6 Tunnel Endpoint Address", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ip_mbz1,
{ "Must Be Zero", "mpls_echo.tlv.fec.rsvp_ip_mbz1",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ip_tunnel_id,
{ "Tunnel ID", "mpls_echo.tlv.fec.rsvp_ip_tun_id",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP Tunnel ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ipv4_ext_tunnel_id,
{ "Extended Tunnel ID", "mpls_echo.tlv.fec.rsvp_ipv4_ext_tun_id",
FT_UINT32, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP IPv4 Extended Tunnel ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ipv4_ipv4_sender,
{ "IPv4 Tunnel sender address", "mpls_echo.tlv.fec.rsvp_ipv4_sender",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP IPv4 Sender", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ipv6_ext_tunnel_id,
{ "Extended Tunnel ID", "mpls_echo.tlv.fec.rsvp_ipv6_ext_tun_id",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP IPv6 Extended Tunnel ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ipv6_ipv6_sender,
{ "IPv6 Tunnel sender address", "mpls_echo.tlv.fec.rsvp_ipv6_sender",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP IPv4 Sender", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ip_mbz2,
{ "Must Be Zero", "mpls_echo.tlv.fec.rsvp_ip_mbz2",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_ip_lsp_id,
{ "LSP ID", "mpls_echo.tlv.fec.rsvp_ip_lsp_id",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP LSP ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_vpn_route_dist,
{ "Route Distinguisher", "mpls_echo.tlv.fec.vpn_route_dist",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack VPN Route Distinguisher", HFILL}
},
{ &hf_mpls_echo_tlv_fec_vpn_ipv4,
{ "IPv4 Prefix", "mpls_echo.tlv.fec.vpn_ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack VPN IPv4", HFILL}
},
{ &hf_mpls_echo_tlv_fec_vpn_ipv6,
{ "IPv6 Prefix", "mpls_echo.tlv.fec.vpn_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack VPN IPv6", HFILL}
},
{ &hf_mpls_echo_tlv_fec_vpn_len,
{ "Prefix Length", "mpls_echo.tlv.fec.vpn_len",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack VPN Prefix Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2_vpn_route_dist,
{ "Route Distinguisher", "mpls_echo.tlv.fec.l2vpn_route_dist",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2VPN Route Distinguisher", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2_vpn_send_ve_id,
{ "Sender's VE ID", "mpls_echo.tlv.fec.l2vpn_send_ve_id",
FT_UINT16, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2VPN Sender's VE ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2_vpn_recv_ve_id,
{ "Receiver's VE ID", "mpls_echo.tlv.fec.l2vpn_recv_ve_id",
FT_UINT16, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2VPN Receiver's VE ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2_vpn_encap_type,
{ "Encapsulation", "mpls_echo.tlv.fec.l2vpn_encap_type",
FT_UINT16, BASE_DEC, VALS(fec_vc_types_vals), 0x0, "MPLS ECHO TLV FEC Stack L2VPN Encapsulation", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2cid_sender,
{ "Sender's PE Address", "mpls_echo.tlv.fec.l2cid_sender",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2CID Sender", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2cid_remote,
{ "Remote PE Address", "mpls_echo.tlv.fec.l2cid_remote",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2CID Remote", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2cid_vcid,
{ "VC ID", "mpls_echo.tlv.fec.l2cid_vcid",
FT_UINT32, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2CID VCID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2cid_encap,
{ "Encapsulation", "mpls_echo.tlv.fec.l2cid_encap",
FT_UINT16, BASE_DEC, VALS(fec_vc_types_vals), 0x0, "MPLS ECHO TLV FEC Stack L2CID Encapsulation", HFILL}
},
{ &hf_mpls_echo_tlv_fec_l2cid_mbz,
{ "MBZ", "mpls_echo.tlv.fec.l2cid_mbz",
FT_UINT16, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV FEC Stack L2CID MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_fec_bgp_ipv4,
{ "IPv4 Prefix", "mpls_echo.tlv.fec.bgp_ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack BGP IPv4", HFILL}
},
{ &hf_mpls_echo_tlv_fec_bgp_ipv6,
{ "IPv6 Prefix", "mpls_echo.tlv.fec.bgp_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack BGP IPv6", HFILL}
},
{ &hf_mpls_echo_tlv_fec_bgp_len,
{ "Prefix Length", "mpls_echo.tlv.fec.bgp_len",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack BGP Prefix Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_gen_ipv4,
{ "IPv4 Prefix", "mpls_echo.tlv.fec.gen_ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack Generic IPv4", HFILL}
},
{ &hf_mpls_echo_tlv_fec_gen_ipv4_mask,
{ "Prefix Length", "mpls_echo.tlv.fec.gen_ipv4_mask",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack Generic IPv4 Prefix Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_gen_ipv6,
{ "IPv6 Prefix", "mpls_echo.tlv.fec.gen_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack Generic IPv6", HFILL}
},
{ &hf_mpls_echo_tlv_fec_gen_ipv6_mask,
{ "Prefix Length", "mpls_echo.tlv.fec.gen_ipv6_mask",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack Generic IPv6 Prefix Length", HFILL}
},
{ &hf_mpls_echo_tlv_fec_nil_label,
{ "Label", "mpls_echo.tlv.fec.nil_label",
FT_UINT24, BASE_DEC, VALS(special_labels), 0x0, "MPLS ECHO TLV FEC Stack NIL Label", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mtu,
{ "MTU", "mpls_echo.tlv.ds_map.mtu",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Downstream Map MTU", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_addr_type,
{ "Address Type", "mpls_echo.tlv.ds_map.addr_type",
FT_UINT8, BASE_DEC, VALS(mpls_echo_tlv_addr_type), 0x0,
"MPLS ECHO TLV Downstream Map Address Type", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_res,
{ "DS Flags", "mpls_echo.tlv.ds_map.res",
FT_UINT8, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV Downstream Map DS Flags", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_flag_res,
{ "MBZ", "mpls_echo.tlv.ds_map.flag_res",
FT_UINT8, BASE_HEX, NULL, 0xFC, "MPLS ECHO TLV Downstream Map Reserved Flags", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_flag_i,
{ "Interface and Label Stack Request", "mpls_echo.tlv.ds_map.flag_i",
FT_BOOLEAN, 8, NULL, 0x02, "MPLS ECHO TLV Downstream Map I-Flag", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_flag_n,
{ "Treat as Non-IP Packet", "mpls_echo.tlv.ds_map.flag_n",
FT_BOOLEAN, 8, NULL, 0x01, "MPLS ECHO TLV Downstream Map N-Flag", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_ds_ip,
{ "Downstream IP Address", "mpls_echo.tlv.ds_map.ds_ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map IP Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_int_ip,
{ "Downstream Interface Address", "mpls_echo.tlv.ds_map.int_ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map Interface Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_if_index,
{ "Upstream Interface Index", "mpls_echo.tlv.ds_map.if_index",
FT_UINT32, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Downstream Map Interface Index", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_ds_ipv6,
{ "Downstream IPv6 Address", "mpls_echo.tlv.ds_map.ds_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map IPv6 Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_int_ipv6,
{ "Downstream Interface IPv6 Address", "mpls_echo.tlv.ds_map.int_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map Interface IPv6 Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_hash_type,
{ "Multipath Type", "mpls_echo.tlv.ds_map.hash_type",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &mpls_echo_tlv_ds_map_hash_type_ext, 0x0,
"MPLS ECHO TLV Downstream Map Multipath Type", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_depth,
{ "Depth Limit", "mpls_echo.tlv.ds_map.depth",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Downstream Map Depth Limit", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_muti_len,
{ "Multipath Length", "mpls_echo.tlv.ds_map.multi_len",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Downstream Map Multipath Length", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_ip,
{ "IP Address", "mpls_echo.tlv.ds_map_mp.ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map Multipath IP Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_mask,
{ "Mask", "mpls_echo.tlv.ds_map_mp.mask",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map Multipath Mask", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_ip_low,
{ "IP Address Low", "mpls_echo.tlv.ds_map_mp.ip_low",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map Multipath Low IP Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_ip_high,
{ "IP Address High", "mpls_echo.tlv.ds_map_mp.ip_high",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Downstream Map Multipath High IP Address", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_no_multipath_info,
{ "No Multipath Information", "mpls_echo.tlv.ds_map_mp.no_multipath_info",
FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_value,
{ "Multipath Value", "mpls_echo.tlv.ds_map_mp.value",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Multipath Value", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_label,
{ "Downstream Label", "mpls_echo.tlv.ds_map.mp_label",
FT_UINT24, BASE_DEC, VALS(special_labels), 0x0, "MPLS ECHO TLV Downstream Map Downstream Label", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_exp,
{ "Downstream Exp", "mpls_echo.tlv.ds_map.mp_exp",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Downstream Map Downstream Experimental", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_bos,
{ "Downstream BOS", "mpls_echo.tlv.ds_map.mp_bos",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Downstream Map Downstream BOS", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_mp_proto,
{ "Downstream Protocol", "mpls_echo.tlv.ds_map.mp_proto",
FT_UINT8, BASE_DEC, VALS(mpls_echo_tlv_ds_map_mp_proto), 0x0,
"MPLS ECHO TLV Downstream Map Downstream Protocol", HFILL}
},
{ &hf_mpls_echo_tlv_padaction,
{ "Pad Action", "mpls_echo.tlv.pad_action",
FT_UINT8, BASE_DEC, VALS(mpls_echo_tlv_pad), 0x0, "MPLS ECHO Pad TLV Action", HFILL}
},
{ &hf_mpls_echo_tlv_padding,
{ "Padding", "mpls_echo.tlv.pad_padding",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO Pad TLV Padding", HFILL}
},
{ &hf_mpls_echo_tlv_vendor,
{ "Vendor Id", "mpls_echo.tlv.vendor_id",
FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0x0, "MPLS ECHO Vendor Id", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_addr_type,
{ "Address Type", "mpls_echo.tlv.ilso.addr_type",
FT_UINT8, BASE_DEC, VALS(mpls_echo_tlv_addr_type), 0x0,
"MPLS ECHO TLV Interface and Label Stack Address Type", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_mbz,
{ "Must Be Zero", "mpls_echo.tlv.ilso.mbz",
FT_UINT24, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_ipv4_addr,
{ "Downstream IPv4 Address", "mpls_echo.tlv.ilso_ipv4.addr",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack Address", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_ipv4_int_addr,
{ "Downstream Interface Address", "mpls_echo.tlv.ilso_ipv4.int_addr",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack Interface Address", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_ipv6_addr,
{ "Downstream IPv6 Address", "mpls_echo.tlv.ilso_ipv6.addr",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack Address", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_ipv6_int_addr,
{ "Downstream Interface Address", "mpls_echo.tlv.ilso_ipv6.int_addr",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack Interface Address", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_int_index,
{ "Downstream Interface Index", "mpls_echo.tlv.ilso.int_index",
FT_UINT32, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack Interface Index", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_label,
{ "Label", "mpls_echo.tlv.ilso_ipv4.label",
FT_UINT24, BASE_DEC, VALS(special_labels), 0x0, "MPLS ECHO TLV Interface and Label Stack Label", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_exp,
{ "Exp", "mpls_echo.tlv.ilso_ipv4.exp",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack Exp", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_bos,
{ "BOS", "mpls_echo.tlv.ilso_ipv4.bos",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack BOS", HFILL}
},
{ &hf_mpls_echo_tlv_ilso_ttl,
{ "TTL", "mpls_echo.tlv.ilso_ipv4.ttl",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Interface and Label Stack TTL", HFILL}
},
#if 0
{ &hf_mpls_echo_tlv_rto_ipv4,
{ "Reply-to IPv4 Address", "mpls_echo.tlv.rto.ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV IPv4 Reply-To Object", HFILL}
},
{ &hf_mpls_echo_tlv_rto_ipv6,
{ "Reply-to IPv6 Address", "mpls_echo.tlv.rto.ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV IPv6 Reply-To Object", HFILL}
},
#endif
{ &hf_mpls_echo_tlv_reply_tos,
{ "Reply-TOS Byte", "mpls_echo.tlv.reply.tos",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Reply-TOS Byte", HFILL}
},
{ &hf_mpls_echo_tlv_reply_tos_mbz,
{ "MBZ", "mpls_echo.tlv.reply.tos.mbz",
FT_UINT24, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV Reply-TOS MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_errored_type,
{ "Errored TLV Type", "mpls_echo.tlv.errored.type",
FT_UINT16, BASE_DEC | BASE_EXT_STRING, &mpls_echo_tlv_type_names_ext, 0x0,
"MPLS ECHO TLV Errored TLV Type", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_ingress_if_num,
{ "Ingress Interface Number", "mpls_echo.tlv.ds_map.ingress.if.num",
FT_UINT32, BASE_DEC, NULL, 0x0,
"MPLS ECHO TLV DownStream Map Ingress Interface Number", HFILL}
},
{ &hf_mpls_echo_tlv_ds_map_egress_if_num,
{ "Egress Interface Number", "mpls_echo.tlv.ds_map.egress.if.num",
FT_UINT32, BASE_DEC, NULL, 0x0,
"MPLS ECHO TLV DownStream Map Egress Interface Number", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_src_gid,
{ "SRC GLOBAL ID", "mpls_echo.lspping.tlv.src.gid",
FT_UINT32, BASE_DEC, NULL, 0x0, "LSP SRC GID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_src_nid,
{ "SRC NODE ID", "mpls_echo.lspping.tlv.src.nid",
FT_IPv4, BASE_NONE, NULL, 0x0, "LSP SRC NID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_src_tunnel_no,
{ "SRC Tunnel Number", "mpls_echo.lspping.tlv.tunnel.no",
FT_UINT16, BASE_DEC, NULL, 0x0, "LSP FEC Tunnel Number", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_lsp_no,
{ "SRC LSP Number", "mpls_echo.lspping.tlv.lsp.no",
FT_UINT16, BASE_DEC, NULL, 0x0, "LSP FEC LSP Number", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_dst_gid,
{ "DST GLOBAL ID", "mpls_echo.lspping.tlv.dst.gid",
FT_UINT32, BASE_DEC, NULL, 0x0, "LSP FEC DST GID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_dst_nid,
{ "DST NODE ID", "mpls_echo.lspping.tlv.dst.nid",
FT_IPv4, BASE_NONE, NULL, 0x0, "LSP FEC DST NID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_dst_tunnel_no,
{ "DST Tunnel Number", "mpls_echo.lspping.tlv.dst.tunnel.no",
FT_UINT16, BASE_DEC, NULL, 0x0, "LSP FEC DST Tunnel Number", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_resv,
{ "RESERVED", "mpls_echo.lspping.tlv.resv",
FT_UINT16, BASE_DEC, NULL, 0x0, "RESERVED BITS", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_src_addr_gid,
{ "Global ID", "mpls_echo.lspping.tlv.src.addr.gid",
FT_UINT32, BASE_DEC, NULL, 0x0, "SRC ADDR TLV GID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_src_addr_nid,
{ "Node ID", "mpls_echo.lspping.tlv.src.addr.nid",
FT_IPv4, BASE_NONE, NULL, 0x0, "SRC ADDR TLV NID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_pw_serv_identifier,
{ "Service identifier", "mpls_echo.lspping.tlv.pw.serv.identifier",
FT_UINT64, BASE_DEC, NULL, 0x0, "PW FEC Service identifier", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_pw_src_ac_id,
{ "SRC AC ID", "mpls_echo.lspping.tlv.pw.src.ac.id",
FT_UINT32, BASE_DEC, NULL, 0x0, "PW FEC SRC AC ID", HFILL}
},
{ &hf_mpls_echo_lspping_tlv_pw_dst_ac_id,
{ "DST AC ID", "mpls_echo.lspping.tlv.pw.dst.ac.id",
FT_UINT32, BASE_DEC, NULL, 0x0, "PW FEC DST AC ID", HFILL}
},
{ &hf_mpls_echo_padding,
{ "Padding", "mpls_echo.padding",
FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}
},
#if 0
{ &hf_mpls_echo_lspping_tlv_pw_agi_type,
{ "AGI TYPE", "mpls_echo.lspping.tlv.pw.agi.type",
FT_UINT8, BASE_DEC, NULL, 0x0, "PW AGI TYPE", HFILL}
},
#endif
#if 0
{ &hf_mpls_echo_lspping_tlv_pw_agi_len,
{ "AGI Length", "mpls_echo.lspping.tlv.pw.agi.len",
FT_UINT8, BASE_DEC, NULL, 0x0, "PW AGI LENGTH", HFILL}
},
#endif
#if 0
{ &hf_mpls_echo_lspping_tlv_pw_agi_val,
{ "AGI VALUE", "mpls_echo.lspping.tlv.pw.agi.val",
FT_STRING, BASE_NONE, NULL, 0x0, "PW AGI VALUE", HFILL}
},
#endif
{ &hf_mpls_echo_tlv_dd_map_mtu,
{ "MTU", "mpls_echo.lspping.tlv.dd_map.mtu",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map MTU", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_addr_type,
{ "Address Type", "mpls_echo.tlv.dd_map.addr_type",
FT_UINT8, BASE_DEC, VALS(mpls_echo_tlv_addr_type), 0x0, "MPLS ECHO TLV Detailed Downstream Map Address Type", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_res,
{ "DS Flags", "mpls_echo.tlv.dd_map.res",
FT_UINT8, BASE_HEX, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map DS Flags", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_flag_res,
{ "MBZ", "mpls_echo.tlv.dd_map.flag_res",
FT_UINT8, BASE_HEX, NULL, 0xFC, "MPLS ECHO TLV Detailed Downstream Map Reserved Flags", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_flag_i,
{ "Interface and Label Stack Request", "mpls_echo.tlv.dd_map.flag_i",
FT_BOOLEAN, 8, NULL, 0x02, "MPLS ECHO TLV Detailed Downstream Map I-Flag", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_flag_n,
{ "Treat as Non-IP Packet", "mpls_echo.tlv.dd_map.flag_n",
FT_BOOLEAN, 8, NULL, 0x01, "MPLS ECHO TLV Detailed Downstream Map N-Flag", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_ds_ip,
{ "Downstream IP Address", "mpls_echo.tlv.dd_map.ds_ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map IP Address", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_int_ip,
{ "Downstream Interface Address", "mpls_echo.tlv.dd_map.int_ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Interface Address", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_ds_ipv6,
{ "Downstream IPv6 Address", "mpls_echo.tlv.dd_map.ds_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map IPv6 Address", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_int_ipv6,
{ "Downstream Interface IPv6 Address", "mpls_echo.tlv.dd_map.int_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Interface IPv6 Address", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_return_code,
{ "Return Code", "mpls_echo.tlv.dd_map.return_code",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Return Code", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_return_subcode,
{ "Return Subcode", "mpls_echo.tlv.dd_map.return_subcode",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Return Subcode", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_ingress_if_num,
{ "Ingress Interface Number", "mpls_echo.tlv.dd_map.ingress.if.num",
FT_UINT32, BASE_DEC, NULL, 0x0,
"MPLS ECHO TLV Detailed DownStream Map Ingress Interface Number", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_egress_if_num,
{ "Egress Interface Number", "mpls_echo.tlv.dd_map.egress.if.num",
FT_UINT32, BASE_DEC, NULL, 0x0,
"MPLS ECHO TLV Detailed DownStream Map Egress Interface Number", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_subtlv_len,
{ "Subtlv Length", "mpls_echo.tlv.dd_map.subtlv_len",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Subtlv Length", HFILL}
},
{ &hf_mpls_echo_sub_tlv_multipath_type,
{ "Multipath Type", "mpls_echo.subtlv.dd_map.multipath_type",
FT_UINT8, BASE_DEC, NULL, 0x0, "Detailed Downstream Mapping TLV Multipath Data Sub-TLV Multipath Type", HFILL}
},
{ &hf_mpls_echo_sub_tlv_multipath_length,
{ "Multipath Length", "mpls_echo.subtlv.dd_map.multipath_length",
FT_UINT16, BASE_DEC, NULL, 0x0, "Detailed Downstream Mapping TLV Multipath Data Sub-TLV Multipath Length", HFILL}
},
{ &hf_mpls_echo_sub_tlv_multipath_value,
{ "Multipath Value", "mpls_echo.subtlv.dd_map.multipath_value",
FT_BYTES, BASE_NONE, NULL, 0x0, "Detailed Downstream Mapping TLV Multipath Data Sub-TLV Multipath Value", HFILL}
},
{ &hf_mpls_echo_sub_tlv_resv,
{ "Reserved", "mpls_echo.subtlv.dd_map.reserved",
FT_UINT8, BASE_DEC, NULL, 0x0, "Detailed Downstream Mapping TLV Multipath Data Sub-TLV Reserved Bits", HFILL}
},
{ &hf_mpls_echo_sub_tlv_multipath_info,
{ "Multipath Information", "mpls_echo.subtlv.dd_map.multipath_info",
FT_BYTES, BASE_NONE, NULL, 0x0, "Detailed Downstream Mapping TLV Multipath Data Sub-TLV Value", HFILL}
},
#if 0
{ &hf_mpls_echo_tlv_ddstlv_map_mp_label,
{ "Downstream Label", "mpls_echo.tlv.ddstlv_map.mp_label",
FT_UINT24, BASE_DEC, VALS(special_labels), 0x0, "MPLS ECHO TLV Detailed Downstream Map Downstream Label", HFILL}
},
#endif
{ &hf_mpls_echo_tlv_ddstlv_map_mp_proto,
{ "Downstream Protocol", "mpls_echo.tlv.ddstlv_map.mp_proto",
FT_UINT8, BASE_DEC, VALS(mpls_echo_tlv_ds_map_mp_proto), 0x0,
"MPLS ECHO TLV Detailed Downstream Map Downstream Protocol", HFILL}
},
#if 0
{ &hf_mpls_echo_tlv_ddstlv_map_mp_exp,
{ "Downstream Experimental", "mpls_echo.tlv.ddstlv_map.mp_exp",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Downstream Experimental", HFILL}
},
#endif
#if 0
{ &hf_mpls_echo_tlv_ddstlv_map_mp_bos,
{ "Downstream BOS", "mpls_echo.tlv.ddstlv_map.mp_bos",
FT_UINT8, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Downstream BOS", HFILL}
},
#endif
{ &hf_mpls_echo_sub_tlv_multipath_ip,
{ "IP Address", "mpls_echo.tlv.ddstlv_map_mp.ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Multipath IP Address", HFILL}
},
{ &hf_mpls_echo_sub_tlv_mp_ip_low,
{ "IP Address Low", "mpls_echo.tlv.ddstlv_map_mp.ip_low",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Multipath Low IP Address", HFILL}
},
{ &hf_mpls_echo_sub_tlv_mp_ip_high,
{ "IP Address High", "mpls_echo.tlv.ddstlv_map_mp.ip_high",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Multipath High IP Address", HFILL}
},
{ &hf_mpls_echo_sub_tlv_mp_mask,
{ "Mask", "mpls_echo.tlv.ddstlv_map_mp.mask",
FT_BYTES, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV Detailed Downstream Map Multipath Mask", HFILL}
},
{ &hf_mpls_echo_sub_tlv_op_type,
{ "Operation Type", "mpls_echo.tlv.ddstlv_map.op_type",
FT_UINT8, BASE_DEC, VALS(mpls_echo_subtlv_op_types), 0x0,
"MPLS ECHO TLV Detailed Downstream Map Stack Change Operation Type", HFILL}
},
{ &hf_mpls_echo_sub_tlv_addr_type,
{ "Address Type", "mpls_echo.tlv.ddstlv_map.address_type",
FT_UINT8, BASE_DEC, VALS(mpls_echo_subtlv_addr_types), 0x0,
"MPLS ECHO TLV Detailed Downstream Map Stack Change Address Type", HFILL}
},
{ &hf_mpls_echo_sub_tlv_fec_tlv_value,
{ "FEC tlv Length", "mpls_echo.subtlv.dd_map.fec_tlv_type",
FT_UINT8, BASE_DEC, NULL, 0x0, "Detailed Downstream Map FEC TLV Length", HFILL}
},
{ &hf_mpls_echo_sub_tlv_label,
{ "Label", "mpls_echo.subtlv.label",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
},
{ &hf_mpls_echo_sub_tlv_traffic_class,
{ "Traffic Class", "mpls_echo.subtlv.traffic_class",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
},
{ &hf_mpls_echo_sub_tlv_s_bit,
{ "S bit", "mpls_echo.subtlv.s_bit",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
},
{ &hf_mpls_echo_sub_tlv_res,
{ "Reserved", "mpls_echo.subtlv.dd_map.reserved",
FT_UINT8, BASE_DEC, NULL, 0x0, "Detailed Downstream Map FEC Stack Change Reserved Bits", HFILL}
},
{ &hf_mpls_echo_sub_tlv_remote_peer_unspecified,
{ "Unspecified (Address Length = 0)", "mpls_echo.tlv.dd_map.unspecified",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}
},
{ &hf_mpls_echo_sub_tlv_remote_peer_ip,
{ "Remote Peer IP Address", "mpls_echo.tlv.dd_map.remote_ip",
FT_IPv4, BASE_NONE, NULL, 0x0, "Detailed Downstream Map FEC Stack Change Remote Peer IP Address", HFILL}
},
{ &hf_mpls_echo_sub_tlv_remore_peer_ipv6,
{ "Remote Peer IPv6 Address", "mpls_echo.tlv.dd_map.remote_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "Detailed Downstream Map FEC Stack Change Remote Peer IPv6 Address", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_type,
{ "Sub-TLV Type", "mpls_echo.subtlv.dd_map.type",
FT_UINT16, BASE_DEC, NULL, 0x0, "Detailed Downstream Mapping TLV Type", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_length,
{ "Sub-TLV Length", "mpls_echo.subtlv.dd_map.length",
FT_UINT16, BASE_DEC, NULL, 0x0, "Detailed Downstream Mapping TLV Length", HFILL}
},
{ &hf_mpls_echo_tlv_dd_map_value,
{ "Sub-TLV Value", "mpls_echo.subtlv.dd_map.value",
FT_BYTES, BASE_NONE, NULL, 0x0, "Detailed Downstream Mapping TLV Value", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_p2mp_id,
{ "P2MP ID", "mpls_echo.tlv.fec.rsvp_p2mp_ipv4_id",
FT_UINT32, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz1,
{ "Must Be Zero", "mpls_echo.tlv.fec.rsvp_p2mp_ip_mbz1",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_tunnel_id,
{ "Tunnel ID", "mpls_echo.tlv.fec.rsvp_p2mp_ip_tun_id",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP Tunnel ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_ext_tunnel_id,
{ "Extended Tunnel ID", "mpls_echo.tlv.fec.rsvp_p2mp_ipv4_ext_tun_id",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP IPv4 Extended Tunnel ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv4_ipv4_sender,
{ "IPv4 Tunnel sender address", "mpls_echo.tlv.fec.rsvp_p2mp_ipv4_sender",
FT_IPv4, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP IPv4 Sender", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_mbz2,
{ "Must Be Zero", "mpls_echo.tlv.fec.rsvp_p2mp_ip_mbz2",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP MBZ", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ip_lsp_id,
{ "LSP ID", "mpls_echo.tlv.fec.rsvp_p2mp_ip_lsp_id",
FT_UINT16, BASE_DEC, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP LSP ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_p2mp_id,
{ "P2MP IPv6 Tunnel ID address", "mpls_echo.tlv.fec.rsvp_p2mp_ipv6_id",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP IPv6 ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_ext_tunnel_id,
{ "Extended Tunnel ID", "mpls_echo.tlv.fec.rsvp_p2mp_ipv6_ext_tun_id",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP IPv6 Extended Tunnel ID", HFILL}
},
{ &hf_mpls_echo_tlv_fec_rsvp_p2mp_ipv6_ipv6_sender,
{ "P2MP IPv6 Tunnel sender address", "mpls_echo.tlv.fec.rsvp_p2mp_ipv6_sender",
FT_IPv6, BASE_NONE, NULL, 0x0, "MPLS ECHO TLV FEC Stack RSVP P2MP IPv6 Sender", HFILL}
},
{ &hf_mpls_echo_tlv_responder_indent_type,
{ "Target Type", "mpls_echo.tlv.resp_id.type",
FT_UINT16, BASE_DEC, VALS(mpls_echo_tlv_responder_ident_sub_tlv_type), 0x0, "P2MP Responder ID TLV", HFILL}
},
{ &hf_mpls_echo_tlv_responder_indent_len,
{ "Length", "mpls_echo.tlv.resp_id.length",
FT_UINT16, BASE_DEC, NULL, 0x0, "P2MP Responder ID TLV LENGTH", HFILL}
},
{ &hf_mpls_echo_tlv_responder_indent_ipv4,
{ "Target IPv4 Address", "mpls_echo.tlv.resp_id.ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0, "P2MP Responder ID TLV IPv4 Address", HFILL}
},
#if 0
{ &hf_mpls_echo_tlv_responder_indent_ipv6,
{ "Target IPv6 Address", "mpls_echo.tlv.resp_id.ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0, "P2MP Responder ID TLV IPv6 Address", HFILL}
},
#endif
{ &hf_mpls_echo_tlv_echo_jitter,
{ "Echo Jitter time", "mpls_echo.tlv.echo_jitter",
FT_UINT32, BASE_DEC, NULL, 0x0, "MPLS ECHO Jitter time", HFILL}
},
{ &hf_mpls_echo_tlv_bfd,
{ "BFD Discriminator", "mpls_echo.bfd_discriminator",
FT_UINT32, BASE_HEX, NULL, 0x0, "MPLS ECHO BFD Discriminator", HFILL}
},
};
static gint *ett[] = {
&ett_mpls_echo,
&ett_mpls_echo_gflags,
&ett_mpls_echo_tlv,
&ett_mpls_echo_tlv_fec,
&ett_mpls_echo_tlv_ds_map,
&ett_mpls_echo_tlv_ilso,
&ett_mpls_echo_tlv_dd_map,
&ett_mpls_echo_tlv_ddstlv_map
};
static ei_register_info ei[] = {
{ &ei_mpls_echo_tlv_fec_len, { "mpls_echo.tlv.fec.len.invalid", PI_MALFORMED, PI_ERROR, "Invalid FEC TLV length", EXPFILL }},
{ &ei_mpls_echo_tlv_dd_map_subtlv_len, { "mpls_echo.tlv.dd_map.subtlv_len.invalid", PI_MALFORMED, PI_ERROR, "Invalid Sub-TLV length", EXPFILL }},
{ &ei_mpls_echo_tlv_len, { "mpls_echo.tlv.len.invalid", PI_MALFORMED, PI_ERROR, "Invalid TLV length", EXPFILL }},
{ &ei_mpls_echo_tlv_ds_map_muti_len, { "mpls_echo.tlv.ds_map.multi_len.invalid", PI_MALFORMED, PI_ERROR, "Invalid Multipath TLV length", EXPFILL }},
{ &ei_mpls_echo_unknown_address_type, { "mpls_echo.address_type.unknown", PI_UNDECODED, PI_WARN, "Unknown Address Type", EXPFILL }},
{ &ei_mpls_echo_incorrect_address_type, { "mpls_echo.address_type.incorrect", PI_PROTOCOL, PI_WARN, "Incorrect address type for TLV?", EXPFILL }},
{ &ei_mpls_echo_malformed, { "mpls_echo.malformed", PI_MALFORMED, PI_ERROR, "Malformed MPLS message", EXPFILL }},
};
expert_module_t* expert_mpls_echo;
proto_mpls_echo = proto_register_protocol("Multiprotocol Label Switching Echo", "MPLS Echo", "mpls-echo");
proto_register_field_array(proto_mpls_echo, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_mpls_echo = expert_register_protocol(proto_mpls_echo);
expert_register_field_array(expert_mpls_echo, ei, array_length(ei));
}
void
proto_reg_handoff_mpls_echo(void)
{
dissector_handle_t mpls_echo_handle;
mpls_echo_handle = create_dissector_handle(dissect_mpls_echo, proto_mpls_echo);
dissector_add_uint_with_preference("udp.port", UDP_PORT_MPLS_ECHO, mpls_echo_handle);
dissector_add_uint("pwach.channel_type", PW_ACH_TYPE_ONDEMAND_CV, mpls_echo_handle);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/