Adding upstream version 4.99.4.upstream/4.99.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1077 insertions, 0 deletions

diff --git a/print-lspping.c b/print-lspping.c
new file mode 100644
index 0000000..f3183cb
--- /dev/null
+++ b/print-lspping.c
@@ -0,0 +1,1077 @@
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code
+ * distributions retain the above copyright notice and this paragraph
+ * in its entirety, and (2) distributions including binary code include
+ * the above copyright notice and this paragraph in its entirety in
+ * the documentation or other materials provided with the distribution.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
+ * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
+ * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE.
+ *
+ * Original code by Hannes Gredler (hannes@gredler.at)
+ */
+
+/* \summary: MPLS LSP PING printer */
+
+/* specification: RFC 4379 */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "netdissect-stdinc.h"
+
+#define ND_LONGJMP_FROM_TCHECK
+#include "netdissect.h"
+#include "extract.h"
+#include "addrtoname.h"
+#include "ntp.h"
+
+#include "l2vpn.h"
+#include "oui.h"
+
+
+/*
+ * LSPPING common header
+ *
+ *  0                   1                   2                   3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |         Version Number        |         Must Be Zero          |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |  Message Type |   Reply mode  |  Return Code  | Return Subcode|
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                        Sender's Handle                        |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                        Sequence Number                        |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                    TimeStamp Sent (seconds)                   |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                  TimeStamp Sent (microseconds)                |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                  TimeStamp Received (seconds)                 |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                TimeStamp Received (microseconds)              |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                            TLVs ...                           |
+ * .                                                               .
+ * .                                                               .
+ * .                                                               .
+ */
+
+struct lspping_common_header {
+    nd_uint16_t version;
+    nd_uint16_t global_flags;
+    nd_uint8_t  msg_type;
+    nd_uint8_t  reply_mode;
+    nd_uint8_t  return_code;
+    nd_uint8_t  return_subcode;
+    nd_uint32_t sender_handle;
+    nd_uint32_t seq_number;
+    struct l_fixedpt ts_sent;
+    struct l_fixedpt ts_rcvd;
+};
+
+#define LSPPING_VERSION            1
+
+static const struct tok lspping_msg_type_values[] = {
+    { 1, "MPLS Echo Request"},
+    { 2, "MPLS Echo Reply"},
+    { 0, NULL}
+};
+
+static const struct tok lspping_reply_mode_values[] = {
+    { 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}
+};
+
+static const struct tok lspping_return_code_values[] = {
+    {  0, "No return code or return code contained in the Error Code TLV"},
+    {  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"},
+    {  4, "Replying router has no mapping for the FEC at stack depth"},
+    {  5, "Reserved"},
+    {  6, "Reserved"},
+    {  7, "Reserved"},
+    {  8, "Label switched at stack-depth"},
+    {  9, "Label switched but no MPLS forwarding at stack-depth"},
+    { 10, "Mapping for this FEC is not the given label at stack depth"},
+    { 11, "No label entry at stack-depth"},
+    { 12, "Protocol not associated with interface at FEC stack depth"},
+    { 13, "Premature termination of ping due to label stack shrinking to a single label"},
+    { 0,  NULL},
+};
+
+
+/*
+ * LSPPING TLV header
+ *  0                   1                   2                   3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |             Type              |            Length             |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                             Value                             |
+ * .                                                               .
+ * .                                                               .
+ * .                                                               .
+ * |                                                               |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+struct lspping_tlv_header {
+    nd_uint16_t type;
+    nd_uint16_t length;
+};
+
+#define	LSPPING_TLV_TARGET_FEC_STACK      1
+#define	LSPPING_TLV_DOWNSTREAM_MAPPING    2
+#define	LSPPING_TLV_PAD                   3
+/* not assigned                           4 */
+#define LSPPING_TLV_VENDOR_ENTERPRISE     5
+#define LSPPING_TLV_VENDOR_ENTERPRISE_LEN 4
+/* not assigned                           6 */
+#define LSPPING_TLV_INTERFACE_LABEL_STACK 7
+/* not assigned                           8 */
+#define	LSPPING_TLV_ERROR_CODE            9
+#define LSPPING_TLV_REPLY_TOS_BYTE        10
+#define	LSPPING_TLV_BFD_DISCRIMINATOR     15 /* draft-ietf-bfd-mpls-02 */
+#define LSPPING_TLV_BFD_DISCRIMINATOR_LEN 4
+#define	LSPPING_TLV_VENDOR_PRIVATE        0xfc00
+
+static const struct tok lspping_tlv_values[] = {
+    { LSPPING_TLV_TARGET_FEC_STACK, "Target FEC Stack" },
+    { LSPPING_TLV_DOWNSTREAM_MAPPING, "Downstream Mapping" },
+    { LSPPING_TLV_PAD, "Pad" },
+    { LSPPING_TLV_ERROR_CODE, "Error Code" },
+    { LSPPING_TLV_VENDOR_ENTERPRISE, "Vendor Enterprise Code" },
+    { LSPPING_TLV_INTERFACE_LABEL_STACK, "Interface Label Stack" },
+    { LSPPING_TLV_REPLY_TOS_BYTE, "Reply TOS Byte" },
+    { LSPPING_TLV_BFD_DISCRIMINATOR, "BFD Discriminator" },
+    { LSPPING_TLV_VENDOR_PRIVATE, "Vendor Private Code" },
+    { 0, NULL}
+};
+
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV4       1
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV6       2
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV4      3
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV6      4
+/* not assigned                                     5 */
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV4     6
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV6     7
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_ENDPT    8
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_FEC_128_PW_OLD 9
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_FEC_128_PW     10
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_FEC_129_PW     11
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV4       12
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV6       13
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_GENERIC_IPV4   14
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_GENERIC_IPV6   15
+#define	LSPPING_TLV_TARGETFEC_SUBTLV_NIL_FEC        16
+
+static const struct tok lspping_tlvtargetfec_subtlv_values[] = {
+    { LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV4, "LDP IPv4 prefix"},
+    { LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV6, "LDP IPv6 prefix"},
+    { LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV4, "RSVP IPv4 Session Query"},
+    { LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV6, "RSVP IPv6 Session Query"},
+    { 5, "Reserved"},
+    { LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV4, "VPN IPv4 prefix"},
+    { LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV6, "VPN IPv6 prefix"},
+    { LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_ENDPT, "L2 VPN endpoint"},
+    { LSPPING_TLV_TARGETFEC_SUBTLV_FEC_128_PW_OLD, "FEC 128 pseudowire (old)"},
+    { LSPPING_TLV_TARGETFEC_SUBTLV_FEC_128_PW, "FEC 128 pseudowire"},
+    { LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV4, "BGP labeled IPv4 prefix"},
+    { LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV6, "BGP labeled IPv6 prefix"},
+    { 0, NULL}
+};
+
+/*
+ *  0                   1                   2                   3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                          IPv4 prefix                          |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Prefix Length |         Must Be Zero                          |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_ldp_ipv4_t {
+    nd_ipv4    prefix;
+    nd_uint8_t prefix_len;
+};
+
+/*
+ *  0                   1                   2                   3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                          IPv6 prefix                          |
+ * |                          (16 octets)                          |
+ * |                                                               |
+ * |                                                               |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Prefix Length |         Must Be Zero                          |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_ldp_ipv6_t {
+    nd_ipv6    prefix;
+    nd_uint8_t prefix_len;
+};
+
+/*
+ *  0                   1                   2                   3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                 IPv4 tunnel end point address                 |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |          Must Be Zero         |     Tunnel ID                 |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                       Extended Tunnel ID                      |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                   IPv4 tunnel sender address                  |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |          Must Be Zero         |            LSP ID             |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_rsvp_ipv4_t {
+    nd_ipv4     tunnel_endpoint;
+    nd_byte     res[2];
+    nd_uint16_t tunnel_id;
+    nd_ipv4     extended_tunnel_id;
+    nd_ipv4     tunnel_sender;
+    nd_byte     res2[2];
+    nd_uint16_t lsp_id;
+};
+
+/*
+ *  0                   1                   2                   3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                 IPv6 tunnel end point address                 |
+ * |                                                               |
+ * |                                                               |
+ * |                                                               |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |          Must Be Zero         |          Tunnel ID            |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                       Extended Tunnel ID                      |
+ * |                                                               |
+ * |                                                               |
+ * |                                                               |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                   IPv6 tunnel sender address                  |
+ * |                                                               |
+ * |                                                               |
+ * |                                                               |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |          Must Be Zero         |            LSP ID             |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_rsvp_ipv6_t {
+    nd_ipv6     tunnel_endpoint;
+    nd_byte     res[2];
+    nd_uint16_t tunnel_id;
+    nd_ipv6     extended_tunnel_id;
+    nd_ipv6     tunnel_sender;
+    nd_byte     res2[2];
+    nd_uint16_t lsp_id;
+};
+
+/*
+ *  0                   1                   2                   3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                      Route Distinguisher                      |
+ * |                          (8 octets)                           |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                         IPv4 prefix                           |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Prefix Length |                 Must Be Zero                  |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_l3vpn_ipv4_t {
+    nd_byte    rd[8];
+    nd_ipv4    prefix;
+    nd_uint8_t prefix_len;
+};
+
+/*
+ *  0                   1                   2                   3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                      Route Distinguisher                      |
+ * |                          (8 octets)                           |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                          IPv6 prefix                          |
+ * |                          (16 octets)                          |
+ * |                                                               |
+ * |                                                               |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Prefix Length |                 Must Be Zero                  |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_l3vpn_ipv6_t {
+    nd_byte    rd[8];
+    nd_ipv6    prefix;
+    nd_uint8_t prefix_len;
+};
+
+/*
+ *  0                   1                   2                   3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                      Route Distinguisher                      |
+ * |                          (8 octets)                           |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |         Sender's VE ID        |       Receiver's VE ID        |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |      Encapsulation Type       |         Must Be Zero          |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  0                   1                   2                   3
+ */
+struct lspping_tlv_targetfec_subtlv_l2vpn_endpt_t {
+    nd_byte     rd[8];
+    nd_uint16_t sender_ve_id;
+    nd_uint16_t receiver_ve_id;
+    nd_uint16_t encapsulation;
+};
+
+/*
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                      Remote PE Address                        |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                             PW ID                             |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |            PW Type            |          Must Be Zero         |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_fec_128_pw_old {
+    nd_ipv4     remote_pe_address;
+    nd_uint32_t pw_id;
+    nd_uint16_t pw_type;
+};
+
+/*
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                     Sender's PE Address                       |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                      Remote PE Address                        |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                             PW ID                             |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |            PW Type            |          Must Be Zero         |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_fec_128_pw {
+    nd_ipv4     sender_pe_address;
+    nd_ipv4     remote_pe_address;
+    nd_uint32_t pw_id;
+    nd_uint16_t pw_type;
+};
+
+/*
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                         IPv4 prefix                           |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Prefix Length |                 Must Be Zero                  |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_bgp_ipv4_t {
+    nd_ipv4    prefix;
+    nd_uint8_t prefix_len;
+};
+
+/*
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                          IPv6 prefix                          |
+ * |                          (16 octets)                          |
+ * |                                                               |
+ * |                                                               |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Prefix Length |                 Must Be Zero                  |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct lspping_tlv_targetfec_subtlv_bgp_ipv6_t {
+    nd_ipv6    prefix;
+    nd_uint8_t prefix_len;
+};
+
+/*
+ *  0                   1                   2                   3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |               MTU             | Address Type  |  Resvd (SBZ)  |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |             Downstream IP Address (4 or 16 octets)            |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |         Downstream Interface Address (4 or 16 octets)         |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Multipath Type| Depth Limit   |        Multipath Length       |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * .                                                               .
+ * .                     (Multipath Information)                   .
+ * .                                                               .
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |               Downstream Label                |    Protocol   |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * .                                                               .
+ * .                                                               .
+ * .                                                               .
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |               Downstream Label                |    Protocol   |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+/* Enough to get the address type */
+struct lspping_tlv_downstream_map_t {
+    nd_uint16_t mtu;
+    nd_uint8_t  address_type;
+    nd_uint8_t  ds_flags;
+};
+
+struct lspping_tlv_downstream_map_ipv4_t {
+    nd_uint16_t mtu;
+    nd_uint8_t  address_type;
+    nd_uint8_t  ds_flags;
+    nd_ipv4     downstream_ip;
+    nd_ipv4     downstream_interface;
+};
+
+struct lspping_tlv_downstream_map_ipv4_unmb_t {
+    nd_uint16_t mtu;
+    nd_uint8_t  address_type;
+    nd_uint8_t  ds_flags;
+    nd_ipv4     downstream_ip;
+    nd_uint32_t downstream_interface;
+};
+
+struct lspping_tlv_downstream_map_ipv6_t {
+    nd_uint16_t mtu;
+    nd_uint8_t  address_type;
+    nd_uint8_t  ds_flags;
+    nd_ipv6     downstream_ip;
+    nd_ipv6     downstream_interface;
+};
+
+struct lspping_tlv_downstream_map_ipv6_unmb_t {
+    nd_uint16_t mtu;
+    nd_uint8_t  address_type;
+    nd_uint8_t  ds_flags;
+    nd_ipv6     downstream_ip;
+    nd_uint32_t downstream_interface;
+};
+
+struct lspping_tlv_downstream_map_info_t {
+    nd_uint8_t  multipath_type;
+    nd_uint8_t  depth_limit;
+    nd_uint16_t multipath_length;
+};
+
+#define LSPPING_AFI_IPV4      1
+#define LSPPING_AFI_IPV4_UNMB 2
+#define LSPPING_AFI_IPV6      3
+#define LSPPING_AFI_IPV6_UNMB 4
+
+static const struct tok lspping_tlv_downstream_addr_values[] = {
+    { LSPPING_AFI_IPV4,      "IPv4"},
+    { LSPPING_AFI_IPV4_UNMB, "Unnumbered IPv4"},
+    { LSPPING_AFI_IPV6,      "IPv6"},
+    { LSPPING_AFI_IPV6_UNMB, "IPv6"},
+    { 0, NULL}
+};
+
+void
+lspping_print(netdissect_options *ndo,
+              const u_char *pptr, u_int len)
+{
+    const struct lspping_common_header *lspping_com_header;
+    const struct lspping_tlv_header *lspping_tlv_header;
+    const struct lspping_tlv_header *lspping_subtlv_header;
+    const u_char *tptr,*tlv_tptr,*subtlv_tptr;
+    u_int return_code, return_subcode;
+    u_int tlen,lspping_tlv_len,lspping_tlv_type,tlv_tlen;
+    int tlv_hexdump,subtlv_hexdump;
+    u_int lspping_subtlv_len,lspping_subtlv_type;
+    uint32_t int_part, fraction;
+    u_int address_type;
+
+    union {
+        const struct lspping_tlv_downstream_map_t *lspping_tlv_downstream_map;
+        const struct lspping_tlv_downstream_map_ipv4_t *lspping_tlv_downstream_map_ipv4;
+        const struct lspping_tlv_downstream_map_ipv4_unmb_t *lspping_tlv_downstream_map_ipv4_unmb;
+        const struct lspping_tlv_downstream_map_ipv6_t *lspping_tlv_downstream_map_ipv6;
+        const struct lspping_tlv_downstream_map_ipv6_unmb_t *lspping_tlv_downstream_map_ipv6_unmb;
+        const struct lspping_tlv_downstream_map_info_t  *lspping_tlv_downstream_map_info;
+    } tlv_ptr;
+
+    union {
+        const struct lspping_tlv_targetfec_subtlv_ldp_ipv4_t *lspping_tlv_targetfec_subtlv_ldp_ipv4;
+        const struct lspping_tlv_targetfec_subtlv_ldp_ipv6_t *lspping_tlv_targetfec_subtlv_ldp_ipv6;
+        const struct lspping_tlv_targetfec_subtlv_rsvp_ipv4_t *lspping_tlv_targetfec_subtlv_rsvp_ipv4;
+        const struct lspping_tlv_targetfec_subtlv_rsvp_ipv6_t *lspping_tlv_targetfec_subtlv_rsvp_ipv6;
+        const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv4_t *lspping_tlv_targetfec_subtlv_l3vpn_ipv4;
+        const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv6_t *lspping_tlv_targetfec_subtlv_l3vpn_ipv6;
+        const struct lspping_tlv_targetfec_subtlv_l2vpn_endpt_t *lspping_tlv_targetfec_subtlv_l2vpn_endpt;
+        const struct lspping_tlv_targetfec_subtlv_fec_128_pw_old *lspping_tlv_targetfec_subtlv_l2vpn_vcid_old;
+        const struct lspping_tlv_targetfec_subtlv_fec_128_pw *lspping_tlv_targetfec_subtlv_l2vpn_vcid;
+        const struct lspping_tlv_targetfec_subtlv_bgp_ipv4_t *lspping_tlv_targetfec_subtlv_bgp_ipv4;
+        const struct lspping_tlv_targetfec_subtlv_bgp_ipv6_t *lspping_tlv_targetfec_subtlv_bgp_ipv6;
+    } subtlv_ptr;
+
+    ndo->ndo_protocol = "lspping";
+    tptr=pptr;
+    lspping_com_header = (const struct lspping_common_header *)pptr;
+    if (len < sizeof(struct lspping_common_header))
+        goto tooshort;
+    ND_TCHECK_SIZE(lspping_com_header);
+
+    /*
+     * Sanity checking of the header.
+     */
+    if (GET_BE_U_2(lspping_com_header->version) != LSPPING_VERSION) {
+	ND_PRINT("LSP-PING version %u packet not supported",
+               GET_BE_U_2(lspping_com_header->version));
+	return;
+    }
+
+    /* in non-verbose mode just lets print the basic Message Type*/
+    if (ndo->ndo_vflag < 1) {
+        ND_PRINT("LSP-PINGv%u, %s, seq %u, length: %u",
+               GET_BE_U_2(lspping_com_header->version),
+               tok2str(lspping_msg_type_values, "unknown (%u)",GET_U_1(lspping_com_header->msg_type)),
+               GET_BE_U_4(lspping_com_header->seq_number),
+               len);
+        return;
+    }
+
+    /* ok they seem to want to know everything - lets fully decode it */
+
+    tlen=len;
+
+    ND_PRINT("\n\tLSP-PINGv%u, msg-type: %s (%u), length: %u\n\t  reply-mode: %s (%u)",
+           GET_BE_U_2(lspping_com_header->version),
+           tok2str(lspping_msg_type_values, "unknown",GET_U_1(lspping_com_header->msg_type)),
+           GET_U_1(lspping_com_header->msg_type),
+           len,
+           tok2str(lspping_reply_mode_values, "unknown",GET_U_1(lspping_com_header->reply_mode)),
+           GET_U_1(lspping_com_header->reply_mode));
+
+    /*
+     *  the following return codes require that the subcode is attached
+     *  at the end of the translated token output
+     */
+    return_code = GET_U_1(lspping_com_header->return_code);
+    return_subcode = GET_U_1(lspping_com_header->return_subcode);
+    if (return_code == 3 ||
+        return_code == 4 ||
+        return_code == 8 ||
+        return_code == 10 ||
+        return_code == 11 ||
+        return_code == 12 )
+        ND_PRINT("\n\t  Return Code: %s %u (%u)\n\t  Return Subcode: (%u)",
+               tok2str(lspping_return_code_values, "unknown",return_code),
+               return_subcode,
+               return_code,
+               return_subcode);
+    else
+        ND_PRINT("\n\t  Return Code: %s (%u)\n\t  Return Subcode: (%u)",
+               tok2str(lspping_return_code_values, "unknown",return_code),
+               return_code,
+               return_subcode);
+
+    ND_PRINT("\n\t  Sender Handle: 0x%08x, Sequence: %u",
+           GET_BE_U_4(lspping_com_header->sender_handle),
+           GET_BE_U_4(lspping_com_header->seq_number));
+
+    ND_PRINT("\n\t  Sender Timestamp: ");
+    p_ntp_time(ndo, &lspping_com_header->ts_sent);
+    ND_PRINT(" ");
+
+    int_part=GET_BE_U_4(lspping_com_header->ts_rcvd.int_part);
+    fraction=GET_BE_U_4(lspping_com_header->ts_rcvd.fraction);
+    ND_PRINT("Receiver Timestamp: ");
+    if (! (int_part == 0 && fraction == 0))
+        p_ntp_time(ndo, &lspping_com_header->ts_rcvd);
+    else
+        ND_PRINT("no timestamp");
+
+    tptr+=sizeof(struct lspping_common_header);
+    tlen-=sizeof(struct lspping_common_header);
+
+    while (tlen != 0) {
+        /* Does the TLV go past the end of the packet? */
+        if (tlen < sizeof(struct lspping_tlv_header))
+            goto tooshort;
+
+        lspping_tlv_header = (const struct lspping_tlv_header *)tptr;
+        lspping_tlv_type=GET_BE_U_2(lspping_tlv_header->type);
+        lspping_tlv_len=GET_BE_U_2(lspping_tlv_header->length);
+
+        ND_PRINT("\n\t  %s TLV (%u), length: %u",
+               tok2str(lspping_tlv_values,
+                       "Unknown",
+                       lspping_tlv_type),
+               lspping_tlv_type,
+               lspping_tlv_len);
+
+        /* some little sanity checking */
+        if (lspping_tlv_len == 0) {
+            tptr+=sizeof(struct lspping_tlv_header);
+            tlen-=sizeof(struct lspping_tlv_header);
+            continue;    /* no value to dissect */
+        }
+
+        tlv_tptr=tptr+sizeof(struct lspping_tlv_header);
+        tlv_tlen=lspping_tlv_len; /* header not included -> no adjustment */
+
+        /* Does the TLV go past the end of the packet? */
+        if (tlen < lspping_tlv_len+sizeof(struct lspping_tlv_header))
+            goto tooshort;
+        /* did we capture enough for fully decoding the tlv ? */
+        ND_TCHECK_LEN(tlv_tptr, lspping_tlv_len);
+        tlv_hexdump=FALSE;
+
+        switch(lspping_tlv_type) {
+        case LSPPING_TLV_TARGET_FEC_STACK:
+            while (tlv_tlen != 0) {
+                /* Does the subTLV header go past the end of the TLV? */
+                if (tlv_tlen < sizeof(struct lspping_tlv_header)) {
+                    ND_PRINT("\n\t      TLV is too short");
+                    tlv_hexdump = TRUE;
+                    goto tlv_tooshort;
+                }
+                subtlv_hexdump=FALSE;
+
+                lspping_subtlv_header = (const struct lspping_tlv_header *)tlv_tptr;
+                lspping_subtlv_type=GET_BE_U_2(lspping_subtlv_header->type);
+                lspping_subtlv_len=GET_BE_U_2(lspping_subtlv_header->length);
+                subtlv_tptr=tlv_tptr+sizeof(struct lspping_tlv_header);
+
+                /* Does the subTLV go past the end of the TLV? */
+                if (tlv_tlen < lspping_subtlv_len+sizeof(struct lspping_tlv_header)) {
+                    ND_PRINT("\n\t      TLV is too short");
+                    tlv_hexdump = TRUE;
+                    goto tlv_tooshort;
+                }
+
+                /* Did we capture enough for fully decoding the subTLV? */
+                ND_TCHECK_LEN(subtlv_tptr, lspping_subtlv_len);
+
+                ND_PRINT("\n\t    %s subTLV (%u), length: %u",
+                       tok2str(lspping_tlvtargetfec_subtlv_values,
+                               "Unknown",
+                               lspping_subtlv_type),
+                       lspping_subtlv_type,
+                       lspping_subtlv_len);
+
+                switch(lspping_subtlv_type) {
+
+                case LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV4:
+                    /* Is the subTLV length correct? */
+                    if (lspping_subtlv_len != 5) {
+                        ND_PRINT("\n\t      invalid subTLV length, should be 5");
+                        subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
+                    } else {
+                        subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4 =
+                            (const struct lspping_tlv_targetfec_subtlv_ldp_ipv4_t *)subtlv_tptr;
+                        ND_PRINT("\n\t      %s/%u",
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4->prefix),
+                               GET_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4->prefix_len));
+                    }
+                    break;
+
+                case LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV6:
+                    /* Is the subTLV length correct? */
+                    if (lspping_subtlv_len != 17) {
+                        ND_PRINT("\n\t      invalid subTLV length, should be 17");
+                        subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
+                    } else {
+                        subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6 =
+                            (const struct lspping_tlv_targetfec_subtlv_ldp_ipv6_t *)subtlv_tptr;
+                        ND_PRINT("\n\t      %s/%u",
+                               GET_IP6ADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6->prefix),
+                               GET_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6->prefix_len));
+                    }
+                    break;
+
+                case LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV4:
+                    /* Is the subTLV length correct? */
+                    if (lspping_subtlv_len != 5) {
+                        ND_PRINT("\n\t      invalid subTLV length, should be 5");
+                        subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
+                    } else {
+                        subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4 =
+                            (const struct lspping_tlv_targetfec_subtlv_bgp_ipv4_t *)subtlv_tptr;
+                        ND_PRINT("\n\t      %s/%u",
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->prefix),
+                               GET_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->prefix_len));
+                    }
+                    break;
+
+                case LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV6:
+                    /* Is the subTLV length correct? */
+                    if (lspping_subtlv_len != 17) {
+                        ND_PRINT("\n\t      invalid subTLV length, should be 17");
+                        subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
+                    } else {
+                        subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6 =
+                            (const struct lspping_tlv_targetfec_subtlv_bgp_ipv6_t *)subtlv_tptr;
+                        ND_PRINT("\n\t      %s/%u",
+                               GET_IP6ADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->prefix),
+                               GET_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->prefix_len));
+                    }
+                    break;
+
+                case LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV4:
+                    /* Is the subTLV length correct? */
+                    if (lspping_subtlv_len != 20) {
+                        ND_PRINT("\n\t      invalid subTLV length, should be 20");
+                        subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
+                    } else {
+                        subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4 =
+                            (const struct lspping_tlv_targetfec_subtlv_rsvp_ipv4_t *)subtlv_tptr;
+                        ND_PRINT("\n\t      tunnel end-point %s, tunnel sender %s, lsp-id 0x%04x"
+                               "\n\t      tunnel-id 0x%04x, extended tunnel-id %s",
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_endpoint),
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_sender),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->lsp_id),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_id),
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->extended_tunnel_id));
+                    }
+                    break;
+
+                case LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV6:
+                    /* Is the subTLV length correct? */
+                    if (lspping_subtlv_len != 56) {
+                        ND_PRINT("\n\t      invalid subTLV length, should be 56");
+                        subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
+                    } else {
+                        subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6 =
+                            (const struct lspping_tlv_targetfec_subtlv_rsvp_ipv6_t *)subtlv_tptr;
+                        ND_PRINT("\n\t      tunnel end-point %s, tunnel sender %s, lsp-id 0x%04x"
+                               "\n\t      tunnel-id 0x%04x, extended tunnel-id %s",
+                               GET_IP6ADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_endpoint),
+                               GET_IP6ADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_sender),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->lsp_id),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_id),
+                               GET_IP6ADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->extended_tunnel_id));
+                    }
+                    break;
+
+                case LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV4:
+                    /* Is the subTLV length correct? */
+                    if (lspping_subtlv_len != 13) {
+                        ND_PRINT("\n\t      invalid subTLV length, should be 13");
+                        subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
+                    } else {
+                        subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4 =
+                            (const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv4_t *)subtlv_tptr;
+                        ND_PRINT("\n\t      RD: %s, %s/%u",
+                               bgp_vpn_rd_print(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->rd),
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->prefix),
+                               GET_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->prefix_len));
+                    }
+                    break;
+
+                case LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV6:
+                    /* Is the subTLV length correct? */
+                    if (lspping_subtlv_len != 25) {
+                        ND_PRINT("\n\t      invalid subTLV length, should be 25");
+                        subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
+                    } else {
+                        subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6 =
+                            (const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv6_t *)subtlv_tptr;
+                        ND_PRINT("\n\t      RD: %s, %s/%u",
+                               bgp_vpn_rd_print(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->rd),
+                               GET_IP6ADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->prefix),
+                               GET_U_1(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->prefix_len));
+                    }
+                    break;
+
+                case LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_ENDPT:
+                    /* Is the subTLV length correct? */
+                    if (lspping_subtlv_len != 14) {
+                        ND_PRINT("\n\t      invalid subTLV length, should be 14");
+                        subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
+                    } else {
+                        subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt =
+                            (const struct lspping_tlv_targetfec_subtlv_l2vpn_endpt_t *)subtlv_tptr;
+                        ND_PRINT("\n\t      RD: %s, Sender VE ID: %u, Receiver VE ID: %u"
+                               "\n\t      Encapsulation Type: %s (%u)",
+                               bgp_vpn_rd_print(ndo, subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->rd),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->sender_ve_id),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->receiver_ve_id),
+                               tok2str(mpls_pw_types_values,
+                                       "unknown",
+                                       GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->encapsulation)),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->encapsulation));
+                    }
+                    break;
+
+                    /* the old L2VPN VCID subTLV does not have support for the sender field */
+                case LSPPING_TLV_TARGETFEC_SUBTLV_FEC_128_PW_OLD:
+                    /* Is the subTLV length correct? */
+                    if (lspping_subtlv_len != 10) {
+                        ND_PRINT("\n\t      invalid subTLV length, should be 10");
+                        subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
+                    } else {
+                        subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old =
+                            (const struct lspping_tlv_targetfec_subtlv_fec_128_pw_old *)subtlv_tptr;
+                        ND_PRINT("\n\t      Remote PE: %s"
+                               "\n\t      PW ID: 0x%08x, PW Type: %s (%u)",
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->remote_pe_address),
+                               GET_BE_U_4(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->pw_id),
+                               tok2str(mpls_pw_types_values,
+                                       "unknown",
+                                       GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->pw_type)),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->pw_type));
+                    }
+                    break;
+
+                case LSPPING_TLV_TARGETFEC_SUBTLV_FEC_128_PW:
+                    /* Is the subTLV length correct? */
+                    if (lspping_subtlv_len != 14) {
+                        ND_PRINT("\n\t      invalid subTLV length, should be 14");
+                        subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
+                    } else {
+                        subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid =
+                            (const struct lspping_tlv_targetfec_subtlv_fec_128_pw *)subtlv_tptr;
+                        ND_PRINT("\n\t      Sender PE: %s, Remote PE: %s"
+                               "\n\t      PW ID: 0x%08x, PW Type: %s (%u)",
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->sender_pe_address),
+                               GET_IPADDR_STRING(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->remote_pe_address),
+                               GET_BE_U_4(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->pw_id),
+                               tok2str(mpls_pw_types_values,
+                                       "unknown",
+                                       GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->pw_type)),
+                               GET_BE_U_2(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->pw_type));
+                    }
+                    break;
+
+                default:
+                    subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
+                    break;
+                }
+                /* do we want to see an additionally subtlv hexdump ? */
+                if (ndo->ndo_vflag > 1 || subtlv_hexdump==TRUE)
+                    print_unknown_data(ndo, tlv_tptr+sizeof(struct lspping_tlv_header),
+                                       "\n\t      ",
+                                       lspping_subtlv_len);
+
+                /* All subTLVs are aligned to four octet boundary */
+                if (lspping_subtlv_len % 4) {
+                    lspping_subtlv_len += 4 - (lspping_subtlv_len % 4);
+                    /* Does the subTLV, including padding, go past the end of the TLV? */
+                    if (tlv_tlen < lspping_subtlv_len+sizeof(struct lspping_tlv_header)) {
+                        ND_PRINT("\n\t\t TLV is too short");
+                        return;
+                    }
+                }
+                tlv_tptr+=lspping_subtlv_len;
+                tlv_tlen-=lspping_subtlv_len+sizeof(struct lspping_tlv_header);
+            }
+            break;
+
+        case LSPPING_TLV_DOWNSTREAM_MAPPING:
+            /* Does the header go past the end of the TLV? */
+            if (tlv_tlen < sizeof(struct lspping_tlv_downstream_map_t)) {
+                ND_PRINT("\n\t      TLV is too short");
+                tlv_hexdump = TRUE;
+                goto tlv_tooshort;
+            }
+            /* Did we capture enough to get the address family? */
+            ND_TCHECK_LEN(tlv_tptr,
+                          sizeof(struct lspping_tlv_downstream_map_t));
+
+            tlv_ptr.lspping_tlv_downstream_map=
+                (const struct lspping_tlv_downstream_map_t *)tlv_tptr;
+
+            /* that strange thing with the downstream map TLV is that until now
+             * we do not know if its IPv4 or IPv6 or is unnumbered; after
+             * we find the address-type, we recast the tlv_tptr and move on. */
+
+            address_type = GET_U_1(tlv_ptr.lspping_tlv_downstream_map->address_type);
+            ND_PRINT("\n\t    MTU: %u, Address-Type: %s (%u)",
+                   GET_BE_U_2(tlv_ptr.lspping_tlv_downstream_map->mtu),
+                   tok2str(lspping_tlv_downstream_addr_values,
+                           "unknown",
+                           address_type),
+                   address_type);
+
+            switch(address_type) {
+
+            case LSPPING_AFI_IPV4:
+                /* Does the data go past the end of the TLV? */
+                if (tlv_tlen < sizeof(struct lspping_tlv_downstream_map_ipv4_t)) {
+                    ND_PRINT("\n\t      TLV is too short");
+                    tlv_hexdump = TRUE;
+                    goto tlv_tooshort;
+                }
+                /* Did we capture enough for this part of the TLV? */
+                ND_TCHECK_LEN(tlv_tptr,
+                              sizeof(struct lspping_tlv_downstream_map_ipv4_t));
+
+                tlv_ptr.lspping_tlv_downstream_map_ipv4=
+                    (const struct lspping_tlv_downstream_map_ipv4_t *)tlv_tptr;
+                ND_PRINT("\n\t    Downstream IP: %s"
+                       "\n\t    Downstream Interface IP: %s",
+                       GET_IPADDR_STRING(tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_ip),
+                       GET_IPADDR_STRING(tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_interface));
+                tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv4_t);
+                tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv4_t);
+                break;
+            case LSPPING_AFI_IPV4_UNMB:
+                /* Does the data go past the end of the TLV? */
+                if (tlv_tlen < sizeof(struct lspping_tlv_downstream_map_ipv4_unmb_t)) {
+                    ND_PRINT("\n\t      TLV is too short");
+                    tlv_hexdump = TRUE;
+                    goto tlv_tooshort;
+                }
+                /* Did we capture enough for this part of the TLV? */
+                ND_TCHECK_LEN(tlv_tptr,
+                              sizeof(struct lspping_tlv_downstream_map_ipv4_unmb_t));
+
+                tlv_ptr.lspping_tlv_downstream_map_ipv4_unmb=
+                    (const struct lspping_tlv_downstream_map_ipv4_unmb_t *)tlv_tptr;
+                ND_PRINT("\n\t    Downstream IP: %s"
+                       "\n\t    Downstream Interface Index: 0x%08x",
+                       GET_IPADDR_STRING(tlv_ptr.lspping_tlv_downstream_map_ipv4_unmb->downstream_ip),
+                       GET_BE_U_4(tlv_ptr.lspping_tlv_downstream_map_ipv4_unmb->downstream_interface));
+                tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv4_unmb_t);
+                tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv4_unmb_t);
+                break;
+            case LSPPING_AFI_IPV6:
+                /* Does the data go past the end of the TLV? */
+                if (tlv_tlen < sizeof(struct lspping_tlv_downstream_map_ipv6_t)) {
+                    ND_PRINT("\n\t      TLV is too short");
+                    tlv_hexdump = TRUE;
+                    goto tlv_tooshort;
+                }
+                /* Did we capture enough for this part of the TLV? */
+                ND_TCHECK_LEN(tlv_tptr,
+                              sizeof(struct lspping_tlv_downstream_map_ipv6_t));
+
+                tlv_ptr.lspping_tlv_downstream_map_ipv6=
+                    (const struct lspping_tlv_downstream_map_ipv6_t *)tlv_tptr;
+                ND_PRINT("\n\t    Downstream IP: %s"
+                       "\n\t    Downstream Interface IP: %s",
+                       GET_IP6ADDR_STRING(tlv_ptr.lspping_tlv_downstream_map_ipv6->downstream_ip),
+                       GET_IP6ADDR_STRING(tlv_ptr.lspping_tlv_downstream_map_ipv6->downstream_interface));
+                tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv6_t);
+                tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv6_t);
+                break;
+             case LSPPING_AFI_IPV6_UNMB:
+                /* Does the data go past the end of the TLV? */
+                if (tlv_tlen < sizeof(struct lspping_tlv_downstream_map_ipv6_unmb_t)) {
+                    ND_PRINT("\n\t      TLV is too short");
+                    tlv_hexdump = TRUE;
+                    goto tlv_tooshort;
+                }
+                /* Did we capture enough for this part of the TLV? */
+                ND_TCHECK_LEN(tlv_tptr,
+                              sizeof(struct lspping_tlv_downstream_map_ipv6_unmb_t));
+
+                tlv_ptr.lspping_tlv_downstream_map_ipv6_unmb=
+                   (const struct lspping_tlv_downstream_map_ipv6_unmb_t *)tlv_tptr;
+                ND_PRINT("\n\t    Downstream IP: %s"
+                       "\n\t    Downstream Interface Index: 0x%08x",
+                       GET_IP6ADDR_STRING(tlv_ptr.lspping_tlv_downstream_map_ipv6_unmb->downstream_ip),
+                       GET_BE_U_4(tlv_ptr.lspping_tlv_downstream_map_ipv6_unmb->downstream_interface));
+                tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv6_unmb_t);
+                tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv6_unmb_t);
+                break;
+
+            default:
+                /* should not happen ! - no error message - tok2str() has barked already */
+                break;
+            }
+
+            /* Does the data go past the end of the TLV? */
+            if (tlv_tlen < sizeof(struct lspping_tlv_downstream_map_info_t)) {
+                ND_PRINT("\n\t      TLV is too short");
+                tlv_hexdump = TRUE;
+                goto tlv_tooshort;
+            }
+            /* Did we capture enough for this part of the TLV? */
+            ND_TCHECK_LEN(tlv_tptr,
+                          sizeof(struct lspping_tlv_downstream_map_info_t));
+
+            tlv_ptr.lspping_tlv_downstream_map_info=
+                (const struct lspping_tlv_downstream_map_info_t *)tlv_tptr;
+
+            /* FIXME add hash-key type, depth limit, multipath processing */
+
+            /* FIXME print downstream labels */
+
+            tlv_hexdump=TRUE; /* dump the TLV until code complete */
+
+            break;
+
+        case LSPPING_TLV_BFD_DISCRIMINATOR:
+            if (tlv_tlen < LSPPING_TLV_BFD_DISCRIMINATOR_LEN) {
+                ND_PRINT("\n\t      TLV is too short");
+                tlv_hexdump = TRUE;
+                goto tlv_tooshort;
+            } else {
+                ND_PRINT("\n\t    BFD Discriminator 0x%08x", GET_BE_U_4(tlv_tptr));
+            }
+            break;
+
+        case  LSPPING_TLV_VENDOR_ENTERPRISE:
+        {
+            uint32_t vendor_id;
+
+            if (tlv_tlen < LSPPING_TLV_VENDOR_ENTERPRISE_LEN) {
+                ND_PRINT("\n\t      TLV is too short");
+                tlv_hexdump = TRUE;
+                goto tlv_tooshort;
+            } else {
+                vendor_id = GET_BE_U_4(tlv_tptr);
+                ND_PRINT("\n\t    Vendor: %s (0x%04x)",
+                       tok2str(smi_values, "Unknown", vendor_id),
+                       vendor_id);
+            }
+        }
+            break;
+
+            /*
+             *  FIXME those are the defined TLVs that lack a decoder
+             *  you are welcome to contribute code ;-)
+             */
+        case LSPPING_TLV_PAD:
+        case LSPPING_TLV_ERROR_CODE:
+        case LSPPING_TLV_VENDOR_PRIVATE:
+
+        default:
+            if (ndo->ndo_vflag <= 1)
+                print_unknown_data(ndo, tlv_tptr, "\n\t    ", tlv_tlen);
+            break;
+        }
+        /* do we want to see an additionally tlv hexdump ? */
+    tlv_tooshort:
+        if (ndo->ndo_vflag > 1 || tlv_hexdump==TRUE)
+            print_unknown_data(ndo, tptr+sizeof(struct lspping_tlv_header), "\n\t    ",
+                               lspping_tlv_len);
+
+
+        /* All TLVs are aligned to four octet boundary */
+        if (lspping_tlv_len % 4) {
+            lspping_tlv_len += (4 - lspping_tlv_len % 4);
+            /* Does the TLV, including padding, go past the end of the packet? */
+            if (tlen < lspping_tlv_len+sizeof(struct lspping_tlv_header))
+                goto tooshort;
+        }
+
+        tptr+=lspping_tlv_len+sizeof(struct lspping_tlv_header);
+        tlen-=lspping_tlv_len+sizeof(struct lspping_tlv_header);
+    }
+    return;
+tooshort:
+    ND_PRINT("\n\t\t packet is too short");
+}