1146773Ssam/*
2146773Ssam * Redistribution and use in source and binary forms, with or without
3146773Ssam * modification, are permitted provided that: (1) source code
4146773Ssam * distributions retain the above copyright notice and this paragraph
5146773Ssam * in its entirety, and (2) distributions including binary code include
6146773Ssam * the above copyright notice and this paragraph in its entirety in
7146773Ssam * the documentation or other materials provided with the distribution.
8146773Ssam * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
9146773Ssam * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
10146773Ssam * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
11146773Ssam * FOR A PARTICULAR PURPOSE.
12146773Ssam *
13146773Ssam * Original code by Hannes Gredler (hannes@juniper.net)
14146773Ssam */
15146773Ssam
16146773Ssam#ifndef lint
17146773Ssamstatic const char rcsid[] _U_ =
18214478Srpaulo    "@(#) $Header: /tcpdump/master/tcpdump/print-lspping.c,v 1.20 2008-01-28 14:20:43 hannes Exp $";
19146773Ssam#endif
20146773Ssam
21146773Ssam#ifdef HAVE_CONFIG_H
22146773Ssam#include "config.h"
23146773Ssam#endif
24146773Ssam
25146773Ssam#include <tcpdump-stdinc.h>
26146773Ssam
27146773Ssam#include <stdio.h>
28146773Ssam#include <stdlib.h>
29146773Ssam#include <string.h>
30146773Ssam
31146773Ssam#include "interface.h"
32146773Ssam#include "extract.h"
33146773Ssam#include "addrtoname.h"
34146773Ssam
35146773Ssam#include "bgp.h"
36146773Ssam#include "l2vpn.h"
37214478Srpaulo#include "oui.h"
38146773Ssam
39146773Ssam/*
40146773Ssam * LSPPING common header
41146773Ssam *
42146773Ssam *  0                   1                   2                   3
43146773Ssam *  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
44146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
45146773Ssam * |         Version Number        |         Must Be Zero          |
46146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
47146773Ssam * |  Message Type |   Reply mode  |  Return Code  | Return Subcode|
48146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
49146773Ssam * |                        Sender's Handle                        |
50146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
51146773Ssam * |                        Sequence Number                        |
52146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
53146773Ssam * |                    TimeStamp Sent (seconds)                   |
54146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
55146773Ssam * |                  TimeStamp Sent (microseconds)                |
56146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
57146773Ssam * |                  TimeStamp Received (seconds)                 |
58146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
59146773Ssam * |                TimeStamp Received (microseconds)              |
60146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
61146773Ssam * |                            TLVs ...                           |
62146773Ssam * .                                                               .
63146773Ssam * .                                                               .
64146773Ssam * .                                                               .
65146773Ssam */
66146773Ssam
67146773Ssamstruct lspping_common_header {
68146773Ssam    u_int8_t version[2];
69146773Ssam    u_int8_t reserved[2];
70146773Ssam    u_int8_t msg_type;
71146773Ssam    u_int8_t reply_mode;
72146773Ssam    u_int8_t return_code;
73146773Ssam    u_int8_t return_subcode;
74146773Ssam    u_int8_t sender_handle[4];
75146773Ssam    u_int8_t seq_number[4];
76146773Ssam    u_int8_t ts_sent_sec[4];
77146773Ssam    u_int8_t ts_sent_usec[4];
78146773Ssam    u_int8_t ts_rcvd_sec[4];
79146773Ssam    u_int8_t ts_rcvd_usec[4];
80146773Ssam};
81146773Ssam
82146773Ssam#define LSPPING_VERSION            1
83146773Ssam
84146773Ssamstatic const struct tok lspping_msg_type_values[] = {
85146773Ssam    { 1, "MPLS Echo Request"},
86146773Ssam    { 2, "MPLS Echo Reply"},
87146773Ssam    { 0, NULL}
88146773Ssam};
89146773Ssam
90146773Ssamstatic const struct tok lspping_reply_mode_values[] = {
91146773Ssam    { 1, "Do not reply"},
92146773Ssam    { 2, "Reply via an IPv4/IPv6 UDP packet"},
93146773Ssam    { 3, "Reply via an IPv4/IPv6 UDP packet with Router Alert"},
94146773Ssam    { 4, "Reply via application level control channel"},
95146773Ssam    { 0, NULL}
96146773Ssam};
97146773Ssam
98146773Ssamstatic const struct tok lspping_return_code_values[] = {
99146773Ssam    {  0, "No return code or return code contained in the Error Code TLV"},
100146773Ssam    {  1, "Malformed echo request received"},
101146773Ssam    {  2, "One or more of the TLVs was not understood"},
102146773Ssam    {  3, "Replying router is an egress for the FEC at stack depth"},
103146773Ssam    {  4, "Replying router has no mapping for the FEC at stack depth"},
104146773Ssam    {  5, "Reserved"},
105146773Ssam    {  6, "Reserved"},
106146773Ssam    {  7, "Reserved"},
107146773Ssam    {  8, "Label switched at stack-depth"},
108146773Ssam    {  9, "Label switched but no MPLS forwarding at stack-depth"},
109146773Ssam    { 10, "Mapping for this FEC is not the given label at stack depth"},
110146773Ssam    { 11, "No label entry at stack-depth"},
111146773Ssam    { 12, "Protocol not associated with interface at FEC stack depth"},
112146773Ssam};
113146773Ssam
114146773Ssam
115146773Ssam/*
116146773Ssam * LSPPING TLV header
117146773Ssam *  0                   1                   2                   3
118146773Ssam *  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
119146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
120146773Ssam * |             Type              |            Length             |
121146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
122146773Ssam * |                             Value                             |
123146773Ssam * .                                                               .
124146773Ssam * .                                                               .
125146773Ssam * .                                                               .
126146773Ssam * |                                                               |
127146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
128146773Ssam */
129146773Ssam
130146773Ssamstruct lspping_tlv_header {
131146773Ssam    u_int8_t type[2];
132146773Ssam    u_int8_t length[2];
133146773Ssam};
134146773Ssam
135146773Ssam#define	LSPPING_TLV_TARGET_FEC_STACK      1
136146773Ssam#define	LSPPING_TLV_DOWNSTREAM_MAPPING    2
137146773Ssam#define	LSPPING_TLV_PAD                   3
138214478Srpaulo#define LSPPING_TLV_VENDOR_ENTERPRISE     5
139214478Srpaulo#define LSPPING_TLV_VENDOR_ENTERPRISE_LEN 4
140214478Srpaulo#define LSPPING_TLV_INTERFACE_LABEL_STACK 7
141214478Srpaulo#define	LSPPING_TLV_ERROR_CODE            9
142214478Srpaulo#define LSPPING_TLV_REPLY_TOS_BYTE        10
143172683Smlaier#define	LSPPING_TLV_BFD_DISCRIMINATOR     15 /* draft-ietf-bfd-mpls-02 */
144172683Smlaier#define LSPPING_TLV_BFD_DISCRIMINATOR_LEN 4
145147899Ssam#define	LSPPING_TLV_VENDOR_PRIVATE        0xfc00
146146773Ssam
147146773Ssamstatic const struct tok lspping_tlv_values[] = {
148146773Ssam    { LSPPING_TLV_TARGET_FEC_STACK, "Target FEC Stack" },
149146773Ssam    { LSPPING_TLV_DOWNSTREAM_MAPPING, "Downstream Mapping" },
150146773Ssam    { LSPPING_TLV_PAD, "Pad" },
151146773Ssam    { LSPPING_TLV_ERROR_CODE, "Error Code" },
152214478Srpaulo    { LSPPING_TLV_VENDOR_ENTERPRISE, "Vendor Enterprise Code" },
153214478Srpaulo    { LSPPING_TLV_INTERFACE_LABEL_STACK, "Interface Label Stack" },
154214478Srpaulo    { LSPPING_TLV_REPLY_TOS_BYTE, "Reply TOS Byte" },
155172683Smlaier    { LSPPING_TLV_BFD_DISCRIMINATOR, "BFD Discriminator" },
156214478Srpaulo    { LSPPING_TLV_VENDOR_PRIVATE, "Vendor Private Code" },
157146773Ssam    { 0, NULL}
158146773Ssam};
159146773Ssam
160146773Ssam#define	LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV4      1
161146773Ssam#define	LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV6      2
162146773Ssam#define	LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV4     3
163146773Ssam#define	LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV6     4
164146773Ssam#define	LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV4    6
165146773Ssam#define	LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV6    7
166146773Ssam#define	LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_ENDPT   8
167146773Ssam#define	LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID_OLD 9
168146773Ssam#define	LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID   10
169146773Ssam#define	LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV4     11
170146773Ssam#define	LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV6     12
171146773Ssam
172146773Ssamstatic const struct tok lspping_tlvtargetfec_subtlv_values[] = {
173146773Ssam    { LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV4, "LDP IPv4 prefix"},
174146773Ssam    { LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV6, "LDP IPv6 prefix"},
175146773Ssam    { LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV4, "RSVP IPv4 Session Query"},
176146773Ssam    { LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV6, "RSVP IPv6 Session Query"},
177146773Ssam    { 5, "Reserved"},
178146773Ssam    { LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV4, "VPN IPv4 prefix"},
179146773Ssam    { LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV6, "VPN IPv6 prefix"},
180146773Ssam    { LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_ENDPT, "L2 VPN endpoint"},
181146773Ssam    { LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID_OLD, "L2 circuit ID (old)"},
182146773Ssam    { LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID, "L2 circuit ID"},
183146773Ssam    { LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV4, "BGP labeled IPv4 prefix"},
184146773Ssam    { LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV6, "BGP labeled IPv6 prefix"},
185146773Ssam    { 0, NULL}
186146773Ssam};
187146773Ssam
188146773Ssam/*
189146773Ssam *  0                   1                   2                   3
190146773Ssam *  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
191146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
192146773Ssam * |                          IPv4 prefix                          |
193146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
194146773Ssam * | Prefix Length |         Must Be Zero                          |
195146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
196146773Ssam */
197146773Ssamstruct lspping_tlv_targetfec_subtlv_ldp_ipv4_t {
198146773Ssam    u_int8_t prefix [4];
199146773Ssam    u_int8_t prefix_len;
200146773Ssam};
201146773Ssam
202146773Ssam/*
203146773Ssam *  0                   1                   2                   3
204146773Ssam *  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
205146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
206146773Ssam * |                          IPv6 prefix                          |
207146773Ssam * |                          (16 octets)                          |
208146773Ssam * |                                                               |
209146773Ssam * |                                                               |
210146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
211146773Ssam * | Prefix Length |         Must Be Zero                          |
212146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
213146773Ssam */
214146773Ssamstruct lspping_tlv_targetfec_subtlv_ldp_ipv6_t {
215146773Ssam    u_int8_t prefix [16];
216146773Ssam    u_int8_t prefix_len;
217146773Ssam};
218146773Ssam
219146773Ssam/*
220146773Ssam * 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
221146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
222146773Ssam * |                    Sender identifier                          |
223146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
224146773Ssam * |                         IPv4 prefix                           |
225146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
226146773Ssam * | Prefix Length |                 Must Be Zero                  |
227146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
228146773Ssam */
229146773Ssamstruct lspping_tlv_targetfec_subtlv_bgp_ipv4_t {
230146773Ssam    u_int8_t sender_id [4];
231146773Ssam    u_int8_t prefix [4];
232146773Ssam    u_int8_t prefix_len;
233146773Ssam};
234146773Ssam
235146773Ssam/*
236146773Ssam * 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
237146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
238146773Ssam * |                    Sender identifier                          |
239146773Ssam * |                          (16 octets)                          |
240146773Ssam * |                                                               |
241146773Ssam * |                                                               |
242146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
243146773Ssam * |                          IPv6 prefix                          |
244146773Ssam * |                          (16 octets)                          |
245146773Ssam * |                                                               |
246146773Ssam * |                                                               |
247146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
248146773Ssam * | Prefix Length |                 Must Be Zero                  |
249146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
250146773Ssam */
251146773Ssamstruct lspping_tlv_targetfec_subtlv_bgp_ipv6_t {
252146773Ssam    u_int8_t sender_id [16];
253146773Ssam    u_int8_t prefix [16];
254146773Ssam    u_int8_t prefix_len;
255146773Ssam};
256146773Ssam
257146773Ssam/*
258146773Ssam *  0                   1                   2                   3
259146773Ssam *  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
260146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
261146773Ssam * |                 IPv4 tunnel end point address                 |
262146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
263146773Ssam * |          Must Be Zero         |     Tunnel ID                 |
264146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
265146773Ssam * |                       Extended Tunnel ID                      |
266146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
267146773Ssam * |                   IPv4 tunnel sender address                  |
268146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
269146773Ssam * |          Must Be Zero         |            LSP ID             |
270146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
271146773Ssam */
272146773Ssamstruct lspping_tlv_targetfec_subtlv_rsvp_ipv4_t {
273146773Ssam    u_int8_t tunnel_endpoint [4];
274146773Ssam    u_int8_t res[2];
275146773Ssam    u_int8_t tunnel_id[2];
276146773Ssam    u_int8_t extended_tunnel_id[4];
277146773Ssam    u_int8_t tunnel_sender [4];
278146773Ssam    u_int8_t res2[2];
279146773Ssam    u_int8_t lsp_id [2];
280146773Ssam};
281146773Ssam
282146773Ssam/*
283146773Ssam *  0                   1                   2                   3
284146773Ssam *  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
285146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
286146773Ssam * |                 IPv6 tunnel end point address                 |
287146773Ssam * |                                                               |
288146773Ssam * |                                                               |
289146773Ssam * |                                                               |
290146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
291146773Ssam * |          Must Be Zero         |          Tunnel ID            |
292146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
293146773Ssam * |                       Extended Tunnel ID                      |
294146773Ssam * |                                                               |
295146773Ssam * |                                                               |
296146773Ssam * |                                                               |
297146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
298146773Ssam * |                   IPv6 tunnel sender address                  |
299146773Ssam * |                                                               |
300146773Ssam * |                                                               |
301146773Ssam * |                                                               |
302146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
303146773Ssam * |          Must Be Zero         |            LSP ID             |
304146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
305146773Ssam */
306146773Ssamstruct lspping_tlv_targetfec_subtlv_rsvp_ipv6_t {
307146773Ssam    u_int8_t tunnel_endpoint [16];
308146773Ssam    u_int8_t res[2];
309146773Ssam    u_int8_t tunnel_id[2];
310146773Ssam    u_int8_t extended_tunnel_id[16];
311146773Ssam    u_int8_t tunnel_sender [16];
312146773Ssam    u_int8_t res2[2];
313146773Ssam    u_int8_t lsp_id [2];
314146773Ssam};
315146773Ssam
316146773Ssam/*
317146773Ssam *  0                   1                   2                   3
318146773Ssam *  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
319146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
320146773Ssam * |                      Route Distinguisher                      |
321146773Ssam * |                          (8 octets)                           |
322146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
323146773Ssam * |                         IPv4 prefix                           |
324146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
325146773Ssam * | Prefix Length |                 Must Be Zero                  |
326146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
327146773Ssam */
328146773Ssamstruct lspping_tlv_targetfec_subtlv_l3vpn_ipv4_t {
329146773Ssam    u_int8_t rd [8];
330146773Ssam    u_int8_t prefix [4];
331146773Ssam    u_int8_t prefix_len;
332146773Ssam};
333146773Ssam
334146773Ssam/*
335146773Ssam *  0                   1                   2                   3
336146773Ssam *  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
337146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
338146773Ssam * |                      Route Distinguisher                      |
339146773Ssam * |                          (8 octets)                           |
340146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
341146773Ssam * |                          IPv6 prefix                          |
342146773Ssam * |                          (16 octets)                          |
343146773Ssam * |                                                               |
344146773Ssam * |                                                               |
345146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
346146773Ssam * | Prefix Length |                 Must Be Zero                  |
347146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
348146773Ssam */
349146773Ssamstruct lspping_tlv_targetfec_subtlv_l3vpn_ipv6_t {
350146773Ssam    u_int8_t rd [8];
351146773Ssam    u_int8_t prefix [16];
352146773Ssam    u_int8_t prefix_len;
353146773Ssam};
354146773Ssam
355146773Ssam/*
356146773Ssam *  0                   1                   2                   3
357146773Ssam *  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
358146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
359146773Ssam * |                      Route Distinguisher                      |
360146773Ssam * |                          (8 octets)                           |
361146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
362146773Ssam * |         Sender's CE ID        |       Receiver's CE ID        |
363146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
364146773Ssam * |      Encapsulation Type       |         Must Be Zero          |
365146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
366146773Ssam *  0                   1                   2                   3
367146773Ssam */
368146773Ssamstruct lspping_tlv_targetfec_subtlv_l2vpn_endpt_t {
369146773Ssam    u_int8_t rd [8];
370146773Ssam    u_int8_t sender_ce_id [2];
371146773Ssam    u_int8_t receiver_ce_id [2];
372146773Ssam    u_int8_t encapsulation[2];
373146773Ssam};
374146773Ssam
375146773Ssam/*
376146773Ssam *  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
377146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
378146773Ssam * |                      Remote PE Address                        |
379146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
380146773Ssam * |                             VC ID                             |
381146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
382146773Ssam * |      Encapsulation Type       |         Must Be Zero          |
383146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
384146773Ssam */
385146773Ssamstruct lspping_tlv_targetfec_subtlv_l2vpn_vcid_old_t {
386146773Ssam    u_int8_t remote_pe_address [4];
387146773Ssam    u_int8_t vc_id [4];
388146773Ssam    u_int8_t encapsulation[2];
389146773Ssam};
390146773Ssam
391146773Ssam/*
392146773Ssam *  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
393146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
394146773Ssam * |                     Sender's PE Address                       |
395146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
396146773Ssam * |                      Remote PE Address                        |
397146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
398146773Ssam * |                             VC ID                             |
399146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
400146773Ssam * |      Encapsulation Type       |         Must Be Zero          |
401146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
402146773Ssam */
403146773Ssamstruct lspping_tlv_targetfec_subtlv_l2vpn_vcid_t {
404146773Ssam    u_int8_t sender_pe_address [4];
405146773Ssam    u_int8_t remote_pe_address [4];
406146773Ssam    u_int8_t vc_id [4];
407146773Ssam    u_int8_t encapsulation[2];
408146773Ssam};
409146773Ssam
410146773Ssam/*
411146773Ssam *  0                   1                   2                   3
412146773Ssam *  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
413146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
414146773Ssam * |               MTU             | Address Type  |  Resvd (SBZ)  |
415146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
416146773Ssam * |             Downstream IP Address (4 or 16 octets)            |
417146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
418146773Ssam * |         Downstream Interface Address (4 or 16 octets)         |
419146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
420146773Ssam * | Hash Key Type | Depth Limit   |        Multipath Length       |
421146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
422146773Ssam * .                                                               .
423146773Ssam * .                     (Multipath Information)                   .
424146773Ssam * .                                                               .
425146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
426146773Ssam * |               Downstream Label                |    Protocol   |
427146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
428146773Ssam * .                                                               .
429146773Ssam * .                                                               .
430146773Ssam * .                                                               .
431146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
432146773Ssam * |               Downstream Label                |    Protocol   |
433146773Ssam * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
434146773Ssam */
435146773Ssamstruct lspping_tlv_downstream_map_ipv4_t {
436146773Ssam    u_int8_t mtu [2];
437146773Ssam    u_int8_t address_type;
438146773Ssam    u_int8_t res;
439146773Ssam    u_int8_t downstream_ip[4];
440146773Ssam    u_int8_t downstream_interface[4];
441146773Ssam};
442146773Ssam
443146773Ssamstruct lspping_tlv_downstream_map_ipv6_t {
444146773Ssam    u_int8_t mtu [2];
445146773Ssam    u_int8_t address_type;
446146773Ssam    u_int8_t res;
447146773Ssam    u_int8_t downstream_ip[16];
448146773Ssam    u_int8_t downstream_interface[16];
449146773Ssam};
450146773Ssam
451146773Ssamstruct lspping_tlv_downstream_map_info_t {
452146773Ssam    u_int8_t hash_key_type;
453146773Ssam    u_int8_t depth_limit;
454146773Ssam    u_int8_t multipath_length [2];
455146773Ssam};
456146773Ssam
457146773Ssam#define LSPPING_AFI_IPV4 1
458146773Ssam#define LSPPING_AFI_UNMB 2
459146773Ssam#define LSPPING_AFI_IPV6 3
460146773Ssam
461146773Ssamstatic const struct tok lspping_tlv_downstream_addr_values[] = {
462146773Ssam    { LSPPING_AFI_IPV4, "IPv4"},
463146773Ssam    { LSPPING_AFI_IPV6, "IPv6"},
464146773Ssam    { LSPPING_AFI_UNMB, "Unnumbered"},
465146773Ssam    { 0, NULL}
466146773Ssam};
467146773Ssam
468146773Ssamvoid
469146773Ssamlspping_print(register const u_char *pptr, register u_int len) {
470146773Ssam
471146773Ssam    const struct lspping_common_header *lspping_com_header;
472146773Ssam    const struct lspping_tlv_header *lspping_tlv_header;
473146773Ssam    const struct lspping_tlv_header *lspping_subtlv_header;
474146773Ssam    const u_char *tptr,*tlv_tptr,*subtlv_tptr;
475146773Ssam    int tlen,lspping_tlv_len,lspping_tlv_type,tlv_tlen;
476146773Ssam    int tlv_hexdump,subtlv_hexdump;
477146773Ssam    int lspping_subtlv_len,lspping_subtlv_type;
478146773Ssam    struct timeval timestamp;
479146773Ssam
480146773Ssam    union {
481146773Ssam        const struct lspping_tlv_downstream_map_ipv4_t *lspping_tlv_downstream_map_ipv4;
482146773Ssam        const struct lspping_tlv_downstream_map_ipv6_t *lspping_tlv_downstream_map_ipv6;
483146773Ssam        const struct lspping_tlv_downstream_map_info_t  *lspping_tlv_downstream_map_info;
484146773Ssam    } tlv_ptr;
485146773Ssam
486146773Ssam    union {
487146773Ssam        const struct lspping_tlv_targetfec_subtlv_ldp_ipv4_t *lspping_tlv_targetfec_subtlv_ldp_ipv4;
488146773Ssam        const struct lspping_tlv_targetfec_subtlv_ldp_ipv6_t *lspping_tlv_targetfec_subtlv_ldp_ipv6;
489146773Ssam        const struct lspping_tlv_targetfec_subtlv_rsvp_ipv4_t *lspping_tlv_targetfec_subtlv_rsvp_ipv4;
490146773Ssam        const struct lspping_tlv_targetfec_subtlv_rsvp_ipv6_t *lspping_tlv_targetfec_subtlv_rsvp_ipv6;
491146773Ssam        const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv4_t *lspping_tlv_targetfec_subtlv_l3vpn_ipv4;
492146773Ssam        const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv6_t *lspping_tlv_targetfec_subtlv_l3vpn_ipv6;
493146773Ssam        const struct lspping_tlv_targetfec_subtlv_l2vpn_endpt_t *lspping_tlv_targetfec_subtlv_l2vpn_endpt;
494146773Ssam        const struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_old_t *lspping_tlv_targetfec_subtlv_l2vpn_vcid_old;
495146773Ssam        const struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_t *lspping_tlv_targetfec_subtlv_l2vpn_vcid;
496146773Ssam        const struct lspping_tlv_targetfec_subtlv_bgp_ipv4_t *lspping_tlv_targetfec_subtlv_bgp_ipv4;
497146773Ssam        const struct lspping_tlv_targetfec_subtlv_bgp_ipv6_t *lspping_tlv_targetfec_subtlv_bgp_ipv6;
498146773Ssam    } subtlv_ptr;
499146773Ssam
500146773Ssam    tptr=pptr;
501146773Ssam    lspping_com_header = (const struct lspping_common_header *)pptr;
502146773Ssam    TCHECK(*lspping_com_header);
503146773Ssam
504146773Ssam    /*
505146773Ssam     * Sanity checking of the header.
506146773Ssam     */
507146773Ssam    if (EXTRACT_16BITS(&lspping_com_header->version[0]) != LSPPING_VERSION) {
508146773Ssam	printf("LSP-PING version %u packet not supported",
509146773Ssam               EXTRACT_16BITS(&lspping_com_header->version[0]));
510146773Ssam	return;
511146773Ssam    }
512146773Ssam
513146773Ssam    /* in non-verbose mode just lets print the basic Message Type*/
514146773Ssam    if (vflag < 1) {
515146773Ssam        printf("LSP-PINGv%u, %s, seq %u, length: %u",
516146773Ssam               EXTRACT_16BITS(&lspping_com_header->version[0]),
517146773Ssam               tok2str(lspping_msg_type_values, "unknown (%u)",lspping_com_header->msg_type),
518146773Ssam               EXTRACT_32BITS(lspping_com_header->seq_number),
519146773Ssam               len);
520146773Ssam        return;
521146773Ssam    }
522146773Ssam
523146773Ssam    /* ok they seem to want to know everything - lets fully decode it */
524146773Ssam
525146773Ssam    tlen=len;
526146773Ssam
527147899Ssam    printf("\n\tLSP-PINGv%u, msg-type: %s (%u), length: %u\n\t  reply-mode: %s (%u)",
528146773Ssam           EXTRACT_16BITS(&lspping_com_header->version[0]),
529146773Ssam           tok2str(lspping_msg_type_values, "unknown",lspping_com_header->msg_type),
530146773Ssam           lspping_com_header->msg_type,
531147899Ssam           len,
532146773Ssam           tok2str(lspping_reply_mode_values, "unknown",lspping_com_header->reply_mode),
533146773Ssam           lspping_com_header->reply_mode);
534146773Ssam
535146773Ssam    /*
536146773Ssam     *  the following return codes require that the subcode is attached
537146773Ssam     *  at the end of the translated token output
538146773Ssam     */
539146773Ssam    if (lspping_com_header->return_code == 3 ||
540146773Ssam        lspping_com_header->return_code == 4 ||
541146773Ssam        lspping_com_header->return_code == 8 ||
542146773Ssam        lspping_com_header->return_code == 10 ||
543146773Ssam        lspping_com_header->return_code == 11 ||
544146773Ssam        lspping_com_header->return_code == 12 )
545147899Ssam        printf("\n\t  Return Code: %s %u (%u)\n\t  Return Subcode: (%u)",
546146773Ssam               tok2str(lspping_return_code_values, "unknown",lspping_com_header->return_code),
547146773Ssam               lspping_com_header->return_subcode,
548146773Ssam               lspping_com_header->return_code,
549146773Ssam               lspping_com_header->return_subcode);
550146773Ssam    else
551147899Ssam        printf("\n\t  Return Code: %s (%u)\n\t  Return Subcode: (%u)",
552146773Ssam               tok2str(lspping_return_code_values, "unknown",lspping_com_header->return_code),
553146773Ssam               lspping_com_header->return_code,
554146773Ssam               lspping_com_header->return_subcode);
555146773Ssam
556146773Ssam    printf("\n\t  Sender Handle: 0x%08x, Sequence: %u",
557146773Ssam           EXTRACT_32BITS(lspping_com_header->sender_handle),
558146773Ssam           EXTRACT_32BITS(lspping_com_header->seq_number));
559146773Ssam
560146773Ssam    timestamp.tv_sec=EXTRACT_32BITS(lspping_com_header->ts_sent_sec);
561146773Ssam    timestamp.tv_usec=EXTRACT_32BITS(lspping_com_header->ts_sent_usec);
562146773Ssam    printf("\n\t  Sender Timestamp: ");
563146773Ssam    ts_print(&timestamp);
564146773Ssam
565146773Ssam    timestamp.tv_sec=EXTRACT_32BITS(lspping_com_header->ts_rcvd_sec);
566146773Ssam    timestamp.tv_usec=EXTRACT_32BITS(lspping_com_header->ts_rcvd_usec);
567146773Ssam    printf("Receiver Timestamp: ");
568146773Ssam    if ((timestamp.tv_sec != 0) && (timestamp.tv_usec != 0))
569146773Ssam        ts_print(&timestamp);
570146773Ssam    else
571146773Ssam        printf("no timestamp");
572146773Ssam
573146773Ssam    tptr+=sizeof(const struct lspping_common_header);
574146773Ssam    tlen-=sizeof(const struct lspping_common_header);
575146773Ssam
576146773Ssam    while(tlen>(int)sizeof(struct lspping_tlv_header)) {
577214478Srpaulo
578146773Ssam        /* did we capture enough for fully decoding the tlv header ? */
579146773Ssam        if (!TTEST2(*tptr, sizeof(struct lspping_tlv_header)))
580146773Ssam            goto trunc;
581146773Ssam
582146773Ssam        lspping_tlv_header = (const struct lspping_tlv_header *)tptr;
583146773Ssam        lspping_tlv_type=EXTRACT_16BITS(lspping_tlv_header->type);
584146773Ssam        lspping_tlv_len=EXTRACT_16BITS(lspping_tlv_header->length);
585146773Ssam
586190207Srpaulo        /* some little sanity checking */
587190207Srpaulo        if (lspping_tlv_type == 0 || lspping_tlv_len == 0)
588146773Ssam            return;
589146773Ssam
590190207Srpaulo        if(lspping_tlv_len < 4) {
591146773Ssam            printf("\n\t  ERROR: TLV %u bogus size %u",lspping_tlv_type,lspping_tlv_len);
592146773Ssam            return;
593146773Ssam        }
594146773Ssam
595146773Ssam        printf("\n\t  %s TLV (%u), length: %u",
596146773Ssam               tok2str(lspping_tlv_values,
597146773Ssam                       "Unknown",
598146773Ssam                       lspping_tlv_type),
599146773Ssam               lspping_tlv_type,
600146773Ssam               lspping_tlv_len);
601146773Ssam
602146773Ssam        tlv_tptr=tptr+sizeof(struct lspping_tlv_header);
603146773Ssam        tlv_tlen=lspping_tlv_len; /* header not included -> no adjustment */
604146773Ssam
605146773Ssam        /* did we capture enough for fully decoding the tlv ? */
606146773Ssam        if (!TTEST2(*tptr, lspping_tlv_len))
607146773Ssam            goto trunc;
608146773Ssam        tlv_hexdump=FALSE;
609146773Ssam
610146773Ssam        switch(lspping_tlv_type) {
611146773Ssam        case LSPPING_TLV_TARGET_FEC_STACK:
612146773Ssam            while(tlv_tlen>(int)sizeof(struct lspping_tlv_header)) {
613146773Ssam
614146773Ssam                /* did we capture enough for fully decoding the subtlv header ? */
615146773Ssam                if (!TTEST2(*tptr, sizeof(struct lspping_tlv_header)))
616146773Ssam                    goto trunc;
617146773Ssam                subtlv_hexdump=FALSE;
618146773Ssam
619146773Ssam                lspping_subtlv_header = (const struct lspping_tlv_header *)tlv_tptr;
620146773Ssam                lspping_subtlv_type=EXTRACT_16BITS(lspping_subtlv_header->type);
621146773Ssam                lspping_subtlv_len=EXTRACT_16BITS(lspping_subtlv_header->length);
622146773Ssam                subtlv_tptr=tlv_tptr+sizeof(struct lspping_tlv_header);
623146773Ssam
624146773Ssam                if (lspping_subtlv_len == 0)
625146773Ssam                    break;
626146773Ssam
627146773Ssam                printf("\n\t    %s subTLV (%u), length: %u",
628146773Ssam                       tok2str(lspping_tlvtargetfec_subtlv_values,
629146773Ssam                               "Unknown",
630146773Ssam                               lspping_subtlv_type),
631146773Ssam                       lspping_subtlv_type,
632146773Ssam                       lspping_subtlv_len);
633146773Ssam
634146773Ssam                switch(lspping_subtlv_type) {
635146773Ssam
636146773Ssam                case LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV4:
637146773Ssam                    subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4 = \
638146773Ssam                        (const struct lspping_tlv_targetfec_subtlv_ldp_ipv4_t *)subtlv_tptr;
639146773Ssam                    printf("\n\t      %s/%u",
640146773Ssam                           ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4->prefix),
641146773Ssam                           subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv4->prefix_len);
642146773Ssam                    break;
643146773Ssam
644146773Ssam#ifdef INET6
645146773Ssam                case LSPPING_TLV_TARGETFEC_SUBTLV_LDP_IPV6:
646146773Ssam                    subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6 = \
647146773Ssam                        (const struct lspping_tlv_targetfec_subtlv_ldp_ipv6_t *)subtlv_tptr;
648146773Ssam                    printf("\n\t      %s/%u",
649146773Ssam                           ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6->prefix),
650146773Ssam                           subtlv_ptr.lspping_tlv_targetfec_subtlv_ldp_ipv6->prefix_len);
651146773Ssam                    break;
652146773Ssam#endif
653146773Ssam
654146773Ssam                case LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV4:
655146773Ssam                    subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4 = \
656146773Ssam                        (const struct lspping_tlv_targetfec_subtlv_bgp_ipv4_t *)subtlv_tptr;
657146773Ssam                    printf("\n\t      %s/%u, sender-id %s",
658146773Ssam                           ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->prefix),
659146773Ssam                           subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->prefix_len,
660146773Ssam                           ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv4->sender_id));
661146773Ssam                    break;
662146773Ssam
663146773Ssam#ifdef INET6
664146773Ssam                case LSPPING_TLV_TARGETFEC_SUBTLV_BGP_IPV6:
665146773Ssam                    subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6 = \
666146773Ssam                        (const struct lspping_tlv_targetfec_subtlv_bgp_ipv6_t *)subtlv_tptr;
667146773Ssam                    printf("\n\t      %s/%u, sender-id %s",
668146773Ssam                           ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->prefix),
669146773Ssam                           subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->prefix_len,
670146773Ssam                           ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_bgp_ipv6->sender_id));
671146773Ssam                    break;
672146773Ssam#endif
673146773Ssam
674146773Ssam                case LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV4:
675146773Ssam                    subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4 = \
676146773Ssam                        (const struct lspping_tlv_targetfec_subtlv_rsvp_ipv4_t *)subtlv_tptr;
677146773Ssam                    printf("\n\t      tunnel end-point %s, tunnel sender %s, lsp-id 0x%04x" \
678146773Ssam                           "\n\t      tunnel-id 0x%04x, extended tunnel-id %s",
679146773Ssam                           ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_endpoint),
680146773Ssam                           ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_sender),
681146773Ssam                           EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->lsp_id),
682146773Ssam                           EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->tunnel_id),
683146773Ssam                           ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv4->extended_tunnel_id));
684146773Ssam                    break;
685146773Ssam
686146773Ssam#ifdef INET6
687146773Ssam                case LSPPING_TLV_TARGETFEC_SUBTLV_RSVP_IPV6:
688146773Ssam                    subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6 = \
689146773Ssam                        (const struct lspping_tlv_targetfec_subtlv_rsvp_ipv6_t *)subtlv_tptr;
690146773Ssam                    printf("\n\t      tunnel end-point %s, tunnel sender %s, lsp-id 0x%04x" \
691146773Ssam                           "\n\t      tunnel-id 0x%04x, extended tunnel-id %s",
692146773Ssam                           ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_endpoint),
693146773Ssam                           ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_sender),
694146773Ssam                           EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->lsp_id),
695146773Ssam                           EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->tunnel_id),
696146773Ssam                           ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_rsvp_ipv6->extended_tunnel_id));
697146773Ssam                    break;
698146773Ssam#endif
699146773Ssam
700146773Ssam                case LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV4:
701146773Ssam                    subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4 = \
702146773Ssam                        (const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv4_t *)subtlv_tptr;
703146773Ssam                    printf("\n\t      RD: %s, %s/%u",
704146773Ssam                           bgp_vpn_rd_print(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->rd),
705146773Ssam                           ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->prefix),
706146773Ssam                           subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv4->prefix_len);
707146773Ssam                    break;
708146773Ssam
709146773Ssam#ifdef INET6
710146773Ssam                case LSPPING_TLV_TARGETFEC_SUBTLV_L3VPN_IPV6:
711146773Ssam                    subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6 = \
712146773Ssam                        (const struct lspping_tlv_targetfec_subtlv_l3vpn_ipv6_t *)subtlv_tptr;
713146773Ssam                    printf("\n\t      RD: %s, %s/%u",
714146773Ssam                           bgp_vpn_rd_print(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->rd),
715146773Ssam                           ip6addr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->prefix),
716146773Ssam                           subtlv_ptr.lspping_tlv_targetfec_subtlv_l3vpn_ipv6->prefix_len);
717146773Ssam                    break;
718146773Ssam#endif
719146773Ssam
720146773Ssam                case LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_ENDPT:
721146773Ssam                    subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt = \
722146773Ssam                        (const struct lspping_tlv_targetfec_subtlv_l2vpn_endpt_t *)subtlv_tptr;
723146773Ssam                    printf("\n\t      RD: %s, Sender CE-ID: %u, Receiver CE-ID: %u" \
724146773Ssam                           "\n\t      Encapsulation Type: %s (%u)",
725146773Ssam                           bgp_vpn_rd_print(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->rd),
726146773Ssam                           EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->sender_ce_id),
727146773Ssam                           EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->receiver_ce_id),
728146773Ssam                           tok2str(l2vpn_encaps_values,
729146773Ssam                                   "unknown",
730146773Ssam                                   EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->encapsulation)),
731146773Ssam                           EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_endpt->encapsulation));
732146773Ssam
733146773Ssam                    break;
734146773Ssam
735146773Ssam                    /* the old L2VPN VCID subTLV does not have support for the sender field */
736146773Ssam                case LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID_OLD:
737146773Ssam                    subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old = \
738146773Ssam                        (const struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_old_t *)subtlv_tptr;
739146773Ssam                    printf("\n\t      Remote PE: %s" \
740146773Ssam                           "\n\t      VC-ID: 0x%08x, Encapsulation Type: %s (%u)",
741146773Ssam                           ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->remote_pe_address),
742146773Ssam                           EXTRACT_32BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->vc_id),
743146773Ssam                           tok2str(l2vpn_encaps_values,
744146773Ssam                                   "unknown",
745146773Ssam                                   EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->encapsulation)),
746146773Ssam                           EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid_old->encapsulation));
747146773Ssam
748146773Ssam                    break;
749146773Ssam
750146773Ssam                case LSPPING_TLV_TARGETFEC_SUBTLV_L2VPN_VCID:
751146773Ssam                    subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid = \
752146773Ssam                        (const struct lspping_tlv_targetfec_subtlv_l2vpn_vcid_t *)subtlv_tptr;
753146773Ssam                    printf("\n\t      Sender PE: %s, Remote PE: %s" \
754146773Ssam                           "\n\t      VC-ID: 0x%08x, Encapsulation Type: %s (%u)",
755146773Ssam                           ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->sender_pe_address),
756146773Ssam                           ipaddr_string(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->remote_pe_address),
757146773Ssam                           EXTRACT_32BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->vc_id),
758146773Ssam                           tok2str(l2vpn_encaps_values,
759146773Ssam                                   "unknown",
760146773Ssam                                   EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->encapsulation)),
761146773Ssam                           EXTRACT_16BITS(subtlv_ptr.lspping_tlv_targetfec_subtlv_l2vpn_vcid->encapsulation));
762146773Ssam
763146773Ssam                    break;
764146773Ssam
765146773Ssam                default:
766146773Ssam                    subtlv_hexdump=TRUE; /* unknown subTLV just hexdump it */
767146773Ssam                    break;
768146773Ssam                }
769146773Ssam                /* do we want to see an additionally subtlv hexdump ? */
770146773Ssam                if (vflag > 1 || subtlv_hexdump==TRUE)
771146773Ssam                    print_unknown_data(tlv_tptr+sizeof(struct lspping_tlv_header), \
772146773Ssam                                       "\n\t      ",
773146773Ssam                                       lspping_subtlv_len);
774146773Ssam
775146773Ssam                tlv_tptr+=lspping_subtlv_len;
776146773Ssam                tlv_tlen-=lspping_subtlv_len+sizeof(struct lspping_tlv_header);
777146773Ssam            }
778146773Ssam            break;
779146773Ssam
780146773Ssam        case LSPPING_TLV_DOWNSTREAM_MAPPING:
781146773Ssam            /* that strange thing with the downstream map TLV is that until now
782146773Ssam             * we do not know if its IPv4 or IPv6 , after we found the adress-type
783146773Ssam             * lets recast the tlv_tptr and move on */
784146773Ssam
785146773Ssam            tlv_ptr.lspping_tlv_downstream_map_ipv4= \
786146773Ssam                (const struct lspping_tlv_downstream_map_ipv4_t *)tlv_tptr;
787146773Ssam            tlv_ptr.lspping_tlv_downstream_map_ipv6= \
788146773Ssam                (const struct lspping_tlv_downstream_map_ipv6_t *)tlv_tptr;
789146773Ssam            printf("\n\t    MTU: %u, Address-Type: %s (%u)",
790146773Ssam                   EXTRACT_16BITS(tlv_ptr.lspping_tlv_downstream_map_ipv4->mtu),
791146773Ssam                   tok2str(lspping_tlv_downstream_addr_values,
792146773Ssam                           "unknown",
793146773Ssam                           tlv_ptr.lspping_tlv_downstream_map_ipv4->address_type),
794146773Ssam                   tlv_ptr.lspping_tlv_downstream_map_ipv4->address_type);
795146773Ssam
796146773Ssam            switch(tlv_ptr.lspping_tlv_downstream_map_ipv4->address_type) {
797146773Ssam
798146773Ssam            case LSPPING_AFI_IPV4:
799146773Ssam                printf("\n\t    Downstream IP: %s" \
800146773Ssam                       "\n\t    Downstream Interface IP: %s",
801146773Ssam                       ipaddr_string(tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_ip),
802146773Ssam                       ipaddr_string(tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_interface));
803146773Ssam                tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv4_t);
804146773Ssam                tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv4_t);
805146773Ssam                break;
806146773Ssam#ifdef INET6
807146773Ssam             case LSPPING_AFI_IPV6:
808146773Ssam                printf("\n\t    Downstream IP: %s" \
809146773Ssam                       "\n\t    Downstream Interface IP: %s",
810146773Ssam                       ip6addr_string(tlv_ptr.lspping_tlv_downstream_map_ipv6->downstream_ip),
811146773Ssam                       ip6addr_string(tlv_ptr.lspping_tlv_downstream_map_ipv6->downstream_interface));
812146773Ssam                tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv6_t);
813146773Ssam                tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv6_t);
814146773Ssam                break;
815146773Ssam#endif
816146773Ssam            case LSPPING_AFI_UNMB:
817146773Ssam                printf("\n\t    Downstream IP: %s" \
818146773Ssam                       "\n\t    Downstream Interface Index: 0x%08x",
819146773Ssam                       ipaddr_string(tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_ip),
820146773Ssam                       EXTRACT_32BITS(tlv_ptr.lspping_tlv_downstream_map_ipv4->downstream_interface));
821146773Ssam                tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_ipv4_t);
822146773Ssam                tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_ipv4_t);
823146773Ssam                break;
824146773Ssam
825146773Ssam            default:
826146773Ssam                /* should not happen ! - no error message - tok2str() has barked already */
827146773Ssam                break;
828146773Ssam            }
829146773Ssam
830146773Ssam            tlv_ptr.lspping_tlv_downstream_map_info= \
831146773Ssam                (const struct lspping_tlv_downstream_map_info_t *)tlv_tptr;
832146773Ssam
833146773Ssam            /* FIXME add hash-key type, depth limit, multipath processing */
834146773Ssam
835146773Ssam
836146773Ssam            tlv_tptr+=sizeof(struct lspping_tlv_downstream_map_info_t);
837146773Ssam            tlv_tlen-=sizeof(struct lspping_tlv_downstream_map_info_t);
838146773Ssam
839146773Ssam            /* FIXME print downstream labels */
840146773Ssam
841146773Ssam
842146773Ssam            tlv_hexdump=TRUE; /* dump the TLV until code complete */
843146773Ssam
844146773Ssam            break;
845146773Ssam
846172683Smlaier        case LSPPING_TLV_BFD_DISCRIMINATOR:
847172683Smlaier            tptr += sizeof(struct lspping_tlv_header);
848172683Smlaier            if (!TTEST2(*tptr, LSPPING_TLV_BFD_DISCRIMINATOR_LEN))
849172683Smlaier                goto trunc;
850172683Smlaier            printf("\n\t    BFD Discriminator 0x%08x", EXTRACT_32BITS(tptr));
851172683Smlaier            break;
852214478Srpaulo
853214478Srpaulo        case  LSPPING_TLV_VENDOR_ENTERPRISE:
854214478Srpaulo        {
855214478Srpaulo            u_int32_t vendor_id;
856214478Srpaulo
857214478Srpaulo            if (!TTEST2(*tptr, LSPPING_TLV_VENDOR_ENTERPRISE_LEN))
858214478Srpaulo                goto trunc;
859214478Srpaulo            vendor_id = EXTRACT_32BITS(tlv_tptr);
860214478Srpaulo            printf("\n\t    Vendor: %s (0x%04x)",
861214478Srpaulo                   tok2str(smi_values, "Unknown", vendor_id),
862214478Srpaulo                   vendor_id);
863214478Srpaulo        }
864214478Srpaulo            break;
865214478Srpaulo
866146773Ssam            /*
867146773Ssam             *  FIXME those are the defined TLVs that lack a decoder
868146773Ssam             *  you are welcome to contribute code ;-)
869146773Ssam             */
870146773Ssam        case LSPPING_TLV_PAD:
871146773Ssam        case LSPPING_TLV_ERROR_CODE:
872146773Ssam        case LSPPING_TLV_VENDOR_PRIVATE:
873146773Ssam
874146773Ssam        default:
875146773Ssam            if (vflag <= 1)
876146773Ssam                print_unknown_data(tlv_tptr,"\n\t    ",tlv_tlen);
877146773Ssam            break;
878146773Ssam        }
879146773Ssam        /* do we want to see an additionally tlv hexdump ? */
880146773Ssam        if (vflag > 1 || tlv_hexdump==TRUE)
881228926Skevlo            print_unknown_data(tptr+sizeof(struct lspping_tlv_header),"\n\t    ",
882146773Ssam                               lspping_tlv_len);
883146773Ssam
884190207Srpaulo
885190207Srpaulo        /* All TLVs are aligned to four octet boundary */
886190207Srpaulo        if (lspping_tlv_len % 4) {
887190207Srpaulo            lspping_tlv_len += (4 - lspping_tlv_len % 4);
888190207Srpaulo        }
889190207Srpaulo
890147899Ssam        tptr+=lspping_tlv_len+sizeof(struct lspping_tlv_header);
891146773Ssam        tlen-=lspping_tlv_len+sizeof(struct lspping_tlv_header);
892146773Ssam    }
893146773Ssam    return;
894146773Ssamtrunc:
895146773Ssam    printf("\n\t\t packet exceeded snapshot");
896146773Ssam}
897