xref: /freebsd/contrib/tcpdump/print-lmp.c (revision 0a7e5f1f02aad2ff5fff1c60f44c6975fd07e1d9)
1 /*
2  * Redistribution and use in source and binary forms, with or without
3  * modification, are permitted provided that: (1) source code
4  * distributions retain the above copyright notice and this paragraph
5  * in its entirety, and (2) distributions including binary code include
6  * the above copyright notice and this paragraph in its entirety in
7  * the documentation or other materials provided with the distribution.
8  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
9  * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
10  * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
11  * FOR A PARTICULAR PURPOSE.
12  *
13  * Original code by Hannes Gredler (hannes@gredler.at)
14  * Support for LMP service discovery extensions (defined by OIF UNI 1.0)
15  * added by Manu Pathak (mapathak@cisco.com), May 2005
16  */
17 
18 /* \summary: Link Management Protocol (LMP) printer */
19 
20 /* specification: RFC 4204 */
21 /* OIF UNI 1.0: https://web.archive.org/web/20160401194747/http://www.oiforum.com/public/documents/OIF-UNI-01.0.pdf */
22 
23 #include <config.h>
24 
25 #include "netdissect-stdinc.h"
26 
27 #define ND_LONGJMP_FROM_TCHECK
28 #include "netdissect.h"
29 #include "extract.h"
30 #include "addrtoname.h"
31 #include "gmpls.h"
32 
33 
34 /*
35  * LMP common header
36  *
37  *  0                   1                   2                   3
38  *  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
39  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
40  * | Vers  |      (Reserved)       |    Flags      |    Msg Type   |
41  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
42  * |          LMP Length           |          (Reserved)           |
43  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
44  */
45 
46 struct lmp_common_header {
47     nd_uint16_t version_res;
48     nd_uint8_t  flags;
49     nd_uint8_t  msg_type;
50     nd_uint16_t length;
51     nd_byte     reserved[2];
52 };
53 
54 #define LMP_VERSION            1
55 #define	LMP_EXTRACT_VERSION(x) (((x)&0xf000)>>12)
56 
57 static const struct tok lmp_header_flag_values[] = {
58     { 0x01, "Control Channel Down"},
59     { 0x02, "LMP restart"},
60     { 0, NULL}
61 };
62 
63 static const struct tok lmp_obj_te_link_flag_values[] = {
64     { 0x01, "Fault Management Supported"},
65     { 0x02, "Link Verification Supported"},
66     { 0, NULL}
67 };
68 
69 static const struct tok lmp_obj_data_link_flag_values[] = {
70     { 0x01, "Data Link Port"},
71     { 0x02, "Allocated for user traffic"},
72     { 0x04, "Failed link"},
73     { 0, NULL}
74 };
75 
76 static const struct tok lmp_obj_channel_status_values[] = {
77     { 1, "Signal Okay"},
78     { 2, "Signal Degraded"},
79     { 3, "Signal Fail"},
80     { 0, NULL}
81 };
82 
83 static const struct tok lmp_obj_begin_verify_flag_values[] = {
84     { 0x0001, "Verify all links"},
85     { 0x0002, "Data link type"},
86     { 0, NULL}
87 };
88 
89 static const struct tok lmp_obj_begin_verify_error_values[] = {
90     { 0x01, "Link Verification Procedure Not supported"},
91     { 0x02, "Unwilling to verify"},
92     { 0x04, "Unsupported verification transport mechanism"},
93     { 0x08, "Link-Id configuration error"},
94     { 0x10, "Unknown object c-type"},
95     { 0, NULL}
96 };
97 
98 static const struct tok lmp_obj_link_summary_error_values[] = {
99     { 0x01, "Unacceptable non-negotiable LINK-SUMMARY parameters"},
100     { 0x02, "Renegotiate LINK-SUMMARY parameters"},
101     { 0x04, "Invalid TE-LINK Object"},
102     { 0x08, "Invalid DATA-LINK Object"},
103     { 0x10, "Unknown TE-LINK Object c-type"},
104     { 0x20, "Unknown DATA-LINK Object c-type"},
105     { 0, NULL}
106 };
107 
108 /* Service Config Supported Protocols Flags */
109 static const struct tok lmp_obj_service_config_sp_flag_values[] = {
110     { 0x01, "RSVP Supported"},
111     { 0x02, "LDP Supported"},
112     { 0, NULL}
113 };
114 
115 /* Service Config Client Port Service Attribute Transparency Flags */
116 static const struct tok lmp_obj_service_config_cpsa_tp_flag_values[] = {
117     { 0x01, "Path/VC Overhead Transparency Supported"},
118     { 0x02, "Line/MS Overhead Transparency Supported"},
119     { 0x04, "Section/RS Overhead Transparency Supported"},
120     { 0, NULL}
121 };
122 
123 /* Service Config Client Port Service Attribute Contiguous Concatenation Types Flags */
124 static const struct tok lmp_obj_service_config_cpsa_cct_flag_values[] = {
125     { 0x01, "Contiguous Concatenation Types Supported"},
126     { 0, NULL}
127 };
128 
129 /* Service Config Network Service Attributes Transparency Flags */
130 static const struct tok lmp_obj_service_config_nsa_transparency_flag_values[] = {
131     { 0x01, "Standard SOH/RSOH Transparency Supported"},
132     { 0x02, "Standard LOH/MSOH Transparency Supported"},
133     { 0, NULL}
134 };
135 
136 /* Service Config Network Service Attributes TCM Monitoring Flags */
137 static const struct tok lmp_obj_service_config_nsa_tcm_flag_values[] = {
138     { 0x01, "Transparent Tandem Connection Monitoring Supported"},
139     { 0, NULL}
140 };
141 
142 /* Network Service Attributes Network Diversity Flags */
143 static const struct tok lmp_obj_service_config_nsa_network_diversity_flag_values[] = {
144     { 0x01, "Node Diversity Supported"},
145     { 0x02, "Link Diversity Supported"},
146     { 0x04, "SRLG Diversity Supported"},
147     { 0, NULL}
148 };
149 
150 #define	LMP_MSGTYPE_CONFIG                 1
151 #define	LMP_MSGTYPE_CONFIG_ACK             2
152 #define	LMP_MSGTYPE_CONFIG_NACK            3
153 #define	LMP_MSGTYPE_HELLO                  4
154 #define	LMP_MSGTYPE_VERIFY_BEGIN           5
155 #define	LMP_MSGTYPE_VERIFY_BEGIN_ACK       6
156 #define	LMP_MSGTYPE_VERIFY_BEGIN_NACK      7
157 #define LMP_MSGTYPE_VERIFY_END             8
158 #define LMP_MSGTYPE_VERIFY_END_ACK         9
159 #define LMP_MSGTYPE_TEST                  10
160 #define LMP_MSGTYPE_TEST_STATUS_SUCCESS   11
161 #define	LMP_MSGTYPE_TEST_STATUS_FAILURE   12
162 #define	LMP_MSGTYPE_TEST_STATUS_ACK       13
163 #define	LMP_MSGTYPE_LINK_SUMMARY          14
164 #define	LMP_MSGTYPE_LINK_SUMMARY_ACK      15
165 #define	LMP_MSGTYPE_LINK_SUMMARY_NACK     16
166 #define	LMP_MSGTYPE_CHANNEL_STATUS        17
167 #define	LMP_MSGTYPE_CHANNEL_STATUS_ACK    18
168 #define	LMP_MSGTYPE_CHANNEL_STATUS_REQ    19
169 #define	LMP_MSGTYPE_CHANNEL_STATUS_RESP   20
170 /* LMP Service Discovery message types defined by UNI 1.0 */
171 #define LMP_MSGTYPE_SERVICE_CONFIG        50
172 #define LMP_MSGTYPE_SERVICE_CONFIG_ACK    51
173 #define LMP_MSGTYPE_SERVICE_CONFIG_NACK   52
174 
175 static const struct tok lmp_msg_type_values[] = {
176     { LMP_MSGTYPE_CONFIG, "Config"},
177     { LMP_MSGTYPE_CONFIG_ACK, "Config ACK"},
178     { LMP_MSGTYPE_CONFIG_NACK, "Config NACK"},
179     { LMP_MSGTYPE_HELLO, "Hello"},
180     { LMP_MSGTYPE_VERIFY_BEGIN, "Begin Verify"},
181     { LMP_MSGTYPE_VERIFY_BEGIN_ACK, "Begin Verify ACK"},
182     { LMP_MSGTYPE_VERIFY_BEGIN_NACK, "Begin Verify NACK"},
183     { LMP_MSGTYPE_VERIFY_END, "End Verify"},
184     { LMP_MSGTYPE_VERIFY_END_ACK, "End Verify ACK"},
185     { LMP_MSGTYPE_TEST, "Test"},
186     { LMP_MSGTYPE_TEST_STATUS_SUCCESS, "Test Status Success"},
187     { LMP_MSGTYPE_TEST_STATUS_FAILURE, "Test Status Failure"},
188     { LMP_MSGTYPE_TEST_STATUS_ACK, "Test Status ACK"},
189     { LMP_MSGTYPE_LINK_SUMMARY, "Link Summary"},
190     { LMP_MSGTYPE_LINK_SUMMARY_ACK, "Link Summary ACK"},
191     { LMP_MSGTYPE_LINK_SUMMARY_NACK, "Link Summary NACK"},
192     { LMP_MSGTYPE_CHANNEL_STATUS, "Channel Status"},
193     { LMP_MSGTYPE_CHANNEL_STATUS_ACK, "Channel Status ACK"},
194     { LMP_MSGTYPE_CHANNEL_STATUS_REQ, "Channel Status Request"},
195     { LMP_MSGTYPE_CHANNEL_STATUS_RESP, "Channel Status Response"},
196     { LMP_MSGTYPE_SERVICE_CONFIG, "Service Config"},
197     { LMP_MSGTYPE_SERVICE_CONFIG_ACK, "Service Config ACK"},
198     { LMP_MSGTYPE_SERVICE_CONFIG_NACK, "Service Config NACK"},
199     { 0, NULL}
200 };
201 
202 /*
203  * LMP object header
204  *
205  *  0                   1                   2                   3
206  *  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
207  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
208  * |N|   C-Type    |     Class     |            Length             |
209  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
210  * |                                                               |
211  * //                       (object contents)                     //
212  * |                                                               |
213  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
214  */
215 
216 struct lmp_object_header {
217     nd_uint8_t  ctype;
218     nd_uint8_t  class_num;
219     nd_uint16_t length;
220 };
221 
222 #define	LMP_OBJ_CC_ID                 1
223 #define	LMP_OBJ_NODE_ID               2
224 #define	LMP_OBJ_LINK_ID               3
225 #define	LMP_OBJ_INTERFACE_ID          4
226 #define	LMP_OBJ_MESSAGE_ID            5
227 #define	LMP_OBJ_CONFIG                6
228 #define	LMP_OBJ_HELLO                 7
229 #define	LMP_OBJ_VERIFY_BEGIN          8
230 #define LMP_OBJ_VERIFY_BEGIN_ACK      9
231 #define LMP_OBJ_VERIFY_ID            10
232 #define LMP_OBJ_TE_LINK              11
233 #define LMP_OBJ_DATA_LINK            12
234 #define LMP_OBJ_CHANNEL_STATUS       13
235 #define LMP_OBJ_CHANNEL_STATUS_REQ   14
236 #define LMP_OBJ_ERROR_CODE           20
237 
238 #define LMP_OBJ_SERVICE_CONFIG       51 /* defined in UNI 1.0 */
239 
240 static const struct tok lmp_obj_values[] = {
241     { LMP_OBJ_CC_ID, "Control Channel ID" },
242     { LMP_OBJ_NODE_ID, "Node ID" },
243     { LMP_OBJ_LINK_ID, "Link ID" },
244     { LMP_OBJ_INTERFACE_ID, "Interface ID" },
245     { LMP_OBJ_MESSAGE_ID, "Message ID" },
246     { LMP_OBJ_CONFIG, "Configuration" },
247     { LMP_OBJ_HELLO, "Hello" },
248     { LMP_OBJ_VERIFY_BEGIN, "Verify Begin" },
249     { LMP_OBJ_VERIFY_BEGIN_ACK, "Verify Begin ACK" },
250     { LMP_OBJ_VERIFY_ID, "Verify ID" },
251     { LMP_OBJ_TE_LINK, "TE Link" },
252     { LMP_OBJ_DATA_LINK, "Data Link" },
253     { LMP_OBJ_CHANNEL_STATUS, "Channel Status" },
254     { LMP_OBJ_CHANNEL_STATUS_REQ, "Channel Status Request" },
255     { LMP_OBJ_ERROR_CODE, "Error Code" },
256     { LMP_OBJ_SERVICE_CONFIG, "Service Config" },
257 
258     { 0, NULL}
259 };
260 
261 #define INT_SWITCHING_TYPE_SUBOBJ 1
262 #define WAVELENGTH_SUBOBJ         2
263 
264 static const struct tok lmp_data_link_subobj[] = {
265     { INT_SWITCHING_TYPE_SUBOBJ, "Interface Switching Type" },
266     { WAVELENGTH_SUBOBJ        , "Wavelength" },
267     { 0, NULL}
268 };
269 
270 #define	LMP_CTYPE_IPV4       1
271 #define	LMP_CTYPE_IPV6       2
272 
273 #define	LMP_CTYPE_LOC        1
274 #define	LMP_CTYPE_RMT        2
275 #define	LMP_CTYPE_UNMD       3
276 
277 #define	LMP_CTYPE_IPV4_LOC   1
278 #define	LMP_CTYPE_IPV4_RMT   2
279 #define	LMP_CTYPE_IPV6_LOC   3
280 #define	LMP_CTYPE_IPV6_RMT   4
281 #define	LMP_CTYPE_UNMD_LOC   5
282 #define	LMP_CTYPE_UNMD_RMT   6
283 
284 #define	LMP_CTYPE_1          1
285 #define	LMP_CTYPE_2          2
286 
287 #define LMP_CTYPE_HELLO_CONFIG  1
288 #define LMP_CTYPE_HELLO         1
289 
290 #define LMP_CTYPE_BEGIN_VERIFY_ERROR 1
291 #define LMP_CTYPE_LINK_SUMMARY_ERROR 2
292 
293 /* C-Types for Service Config Object */
294 #define LMP_CTYPE_SERVICE_CONFIG_SP                   1
295 #define LMP_CTYPE_SERVICE_CONFIG_CPSA                 2
296 #define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM     3
297 #define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY    4
298 
299 /*
300  * Different link types allowed in the Client Port Service Attributes
301  * subobject defined for LMP Service Discovery in the UNI 1.0 spec
302  */
303 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH     5 /* UNI 1.0 Sec 9.4.2 */
304 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET   6 /* UNI 1.0 Sec 9.4.2 */
305 
306 /*
307  * the ctypes are not globally unique so for
308  * translating it to strings we build a table based
309  * on objects offsetted by the ctype
310  */
311 
312 static const struct tok lmp_ctype_values[] = {
313     { 256*LMP_OBJ_CC_ID+LMP_CTYPE_LOC, "Local" },
314     { 256*LMP_OBJ_CC_ID+LMP_CTYPE_RMT, "Remote" },
315     { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_LOC, "Local" },
316     { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_RMT, "Remote" },
317     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
318     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
319     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
320     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
321     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
322     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
323     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
324     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
325     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
326     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
327     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
328     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
329     { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_1, "1" },
330     { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_2, "2" },
331     { 256*LMP_OBJ_CONFIG+LMP_CTYPE_1, "1" },
332     { 256*LMP_OBJ_HELLO+LMP_CTYPE_1, "1" },
333     { 256*LMP_OBJ_VERIFY_BEGIN+LMP_CTYPE_1, "1" },
334     { 256*LMP_OBJ_VERIFY_BEGIN_ACK+LMP_CTYPE_1, "1" },
335     { 256*LMP_OBJ_VERIFY_ID+LMP_CTYPE_1, "1" },
336     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV4, "IPv4" },
337     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV6, "IPv6" },
338     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
339     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV4, "IPv4" },
340     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV6, "IPv6" },
341     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
342     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV4, "IPv4" },
343     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV6, "IPv6" },
344     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_UNMD, "Unnumbered" },
345     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV4, "IPv4" },
346     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV6, "IPv6" },
347     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_UNMD, "Unnumbered" },
348     { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_1, "1" },
349     { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_2, "2" },
350     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_SP, "1" },
351     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_CPSA, "2" },
352     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM, "3" },
353     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY, "4" },
354     { 0, NULL}
355 };
356 
357 static int
lmp_print_data_link_subobjs(netdissect_options * ndo,const u_char * obj_tptr,int total_subobj_len,int offset)358 lmp_print_data_link_subobjs(netdissect_options *ndo, const u_char *obj_tptr,
359                             int total_subobj_len, int offset)
360 {
361     int hexdump = FALSE;
362     int subobj_type, subobj_len;
363 
364     union { /* int to float conversion buffer */
365         float f;
366         uint32_t i;
367     } bw;
368 
369     while (total_subobj_len > 0 && hexdump == FALSE ) {
370 	subobj_type = GET_U_1(obj_tptr + offset);
371 	subobj_len  = GET_U_1(obj_tptr + offset + 1);
372 	ND_PRINT("\n\t    Subobject, Type: %s (%u), Length: %u",
373 		tok2str(lmp_data_link_subobj,
374 			"Unknown",
375 			subobj_type),
376 			subobj_type,
377 			subobj_len);
378 	if (subobj_len < 4) {
379 	    ND_PRINT(" (too short)");
380 	    break;
381 	}
382 	if ((subobj_len % 4) != 0) {
383 	    ND_PRINT(" (not a multiple of 4)");
384 	    break;
385 	}
386 	if (total_subobj_len < subobj_len) {
387 	    ND_PRINT(" (goes past the end of the object)");
388 	    break;
389 	}
390 	switch(subobj_type) {
391 	case INT_SWITCHING_TYPE_SUBOBJ:
392 	    ND_PRINT("\n\t      Switching Type: %s (%u)",
393 		tok2str(gmpls_switch_cap_values,
394 			"Unknown",
395 			GET_U_1(obj_tptr + offset + 2)),
396 		GET_U_1(obj_tptr + offset + 2));
397 	    ND_PRINT("\n\t      Encoding Type: %s (%u)",
398 		tok2str(gmpls_encoding_values,
399 			"Unknown",
400 			GET_U_1(obj_tptr + offset + 3)),
401 		GET_U_1(obj_tptr + offset + 3));
402 	    bw.i = GET_BE_U_4(obj_tptr + offset + 4);
403 	    ND_PRINT("\n\t      Min Reservable Bandwidth: %.3f Mbps",
404                 bw.f*8/1000000);
405 	    bw.i = GET_BE_U_4(obj_tptr + offset + 8);
406 	    ND_PRINT("\n\t      Max Reservable Bandwidth: %.3f Mbps",
407                 bw.f*8/1000000);
408 	    break;
409 	case WAVELENGTH_SUBOBJ:
410 	    ND_PRINT("\n\t      Wavelength: %u",
411 		GET_BE_U_4(obj_tptr + offset + 4));
412 	    break;
413 	default:
414 	    /* Any Unknown Subobject ==> Exit loop */
415 	    hexdump=TRUE;
416 	    break;
417 	}
418 	total_subobj_len-=subobj_len;
419 	offset+=subobj_len;
420     }
421     return (hexdump);
422 }
423 
424 void
lmp_print(netdissect_options * ndo,const u_char * pptr,u_int length)425 lmp_print(netdissect_options *ndo,
426           const u_char *pptr, u_int length)
427 {
428     const struct lmp_common_header *lmp_com_header;
429     const u_char *tptr,*obj_tptr;
430     u_int version_res, tlen, lmp_obj_len, lmp_obj_ctype, obj_tlen;
431     int hexdump;
432     u_int offset;
433     u_int link_type;
434 
435     union { /* int to float conversion buffer */
436         float f;
437         uint32_t i;
438     } bw;
439 
440     ndo->ndo_protocol = "lmp";
441     tptr=pptr;
442     lmp_com_header = (const struct lmp_common_header *)pptr;
443     ND_TCHECK_SIZE(lmp_com_header);
444 
445     version_res = GET_BE_U_2(lmp_com_header->version_res);
446 
447     /*
448      * Sanity checking of the header.
449      */
450     if (LMP_EXTRACT_VERSION(version_res) != LMP_VERSION) {
451 	ND_PRINT("LMP version %u packet not supported",
452                LMP_EXTRACT_VERSION(version_res));
453 	return;
454     }
455 
456     /* in non-verbose mode just lets print the basic Message Type*/
457     if (ndo->ndo_vflag < 1) {
458         ND_PRINT("LMPv%u %s Message, length: %u",
459                LMP_EXTRACT_VERSION(version_res),
460                tok2str(lmp_msg_type_values, "unknown (%u)",GET_U_1(lmp_com_header->msg_type)),
461                length);
462         return;
463     }
464 
465     /* ok they seem to want to know everything - lets fully decode it */
466 
467     tlen=GET_BE_U_2(lmp_com_header->length);
468 
469     ND_PRINT("\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
470            LMP_EXTRACT_VERSION(version_res),
471            tok2str(lmp_msg_type_values, "unknown, type: %u",GET_U_1(lmp_com_header->msg_type)),
472            bittok2str(lmp_header_flag_values,"none",GET_U_1(lmp_com_header->flags)),
473            tlen);
474     if (tlen < sizeof(struct lmp_common_header)) {
475         ND_PRINT(" (too short)");
476         return;
477     }
478     if (tlen > length) {
479         ND_PRINT(" (too long)");
480         tlen = length;
481     }
482 
483     tptr+=sizeof(struct lmp_common_header);
484     tlen-=sizeof(struct lmp_common_header);
485 
486     while(tlen>0) {
487         const struct lmp_object_header *lmp_obj_header =
488             (const struct lmp_object_header *)tptr;
489         lmp_obj_len=GET_BE_U_2(lmp_obj_header->length);
490         lmp_obj_ctype=GET_U_1(lmp_obj_header->ctype)&0x7f;
491 
492         ND_PRINT("\n\t  %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
493                tok2str(lmp_obj_values,
494                        "Unknown",
495                        GET_U_1(lmp_obj_header->class_num)),
496                GET_U_1(lmp_obj_header->class_num),
497                tok2str(lmp_ctype_values,
498                        "Unknown",
499                        (GET_U_1(lmp_obj_header->class_num)<<8)+lmp_obj_ctype),
500                lmp_obj_ctype,
501                GET_U_1(lmp_obj_header->ctype)&0x80 ? "" : "non-",
502                lmp_obj_len);
503 
504         if (lmp_obj_len < 4) {
505             ND_PRINT(" (too short)");
506             return;
507         }
508         if ((lmp_obj_len % 4) != 0) {
509             ND_PRINT(" (not a multiple of 4)");
510             return;
511         }
512 
513         obj_tptr=tptr+sizeof(struct lmp_object_header);
514         obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header);
515 
516         /* did we capture enough for fully decoding the object ? */
517         ND_TCHECK_LEN(tptr, lmp_obj_len);
518         hexdump=FALSE;
519 
520         switch(GET_U_1(lmp_obj_header->class_num)) {
521 
522         case LMP_OBJ_CC_ID:
523             switch(lmp_obj_ctype) {
524             case LMP_CTYPE_LOC:
525             case LMP_CTYPE_RMT:
526                 if (obj_tlen != 4) {
527                     ND_PRINT(" (not correct for object)");
528                     break;
529                 }
530                 ND_PRINT("\n\t    Control Channel ID: %u (0x%08x)",
531                        GET_BE_U_4(obj_tptr),
532                        GET_BE_U_4(obj_tptr));
533                 break;
534 
535             default:
536                 hexdump=TRUE;
537             }
538             break;
539 
540         case LMP_OBJ_LINK_ID:
541         case LMP_OBJ_INTERFACE_ID:
542             switch(lmp_obj_ctype) {
543             case LMP_CTYPE_IPV4_LOC:
544             case LMP_CTYPE_IPV4_RMT:
545                 if (obj_tlen != 4) {
546                     ND_PRINT(" (not correct for object)");
547                     break;
548                 }
549                 ND_PRINT("\n\t    IPv4 Link ID: %s (0x%08x)",
550                        GET_IPADDR_STRING(obj_tptr),
551                        GET_BE_U_4(obj_tptr));
552                 break;
553             case LMP_CTYPE_IPV6_LOC:
554             case LMP_CTYPE_IPV6_RMT:
555                 if (obj_tlen != 16) {
556                     ND_PRINT(" (not correct for object)");
557                     break;
558                 }
559                 ND_PRINT("\n\t    IPv6 Link ID: %s (0x%08x)",
560                        GET_IP6ADDR_STRING(obj_tptr),
561                        GET_BE_U_4(obj_tptr));
562                 break;
563             case LMP_CTYPE_UNMD_LOC:
564             case LMP_CTYPE_UNMD_RMT:
565                 if (obj_tlen != 4) {
566                     ND_PRINT(" (not correct for object)");
567                     break;
568                 }
569                 ND_PRINT("\n\t    Link ID: %u (0x%08x)",
570                        GET_BE_U_4(obj_tptr),
571                        GET_BE_U_4(obj_tptr));
572                 break;
573             default:
574                 hexdump=TRUE;
575             }
576             break;
577 
578         case LMP_OBJ_MESSAGE_ID:
579             switch(lmp_obj_ctype) {
580             case LMP_CTYPE_1:
581                 if (obj_tlen != 4) {
582                     ND_PRINT(" (not correct for object)");
583                     break;
584                 }
585                 ND_PRINT("\n\t    Message ID: %u (0x%08x)",
586                        GET_BE_U_4(obj_tptr),
587                        GET_BE_U_4(obj_tptr));
588                 break;
589             case LMP_CTYPE_2:
590                 if (obj_tlen != 4) {
591                     ND_PRINT(" (not correct for object)");
592                     break;
593                 }
594                 ND_PRINT("\n\t    Message ID Ack: %u (0x%08x)",
595                        GET_BE_U_4(obj_tptr),
596                        GET_BE_U_4(obj_tptr));
597                 break;
598             default:
599                 hexdump=TRUE;
600             }
601             break;
602 
603         case LMP_OBJ_NODE_ID:
604             switch(lmp_obj_ctype) {
605             case LMP_CTYPE_LOC:
606             case LMP_CTYPE_RMT:
607                 if (obj_tlen != 4) {
608                     ND_PRINT(" (not correct for object)");
609                     break;
610                 }
611                 ND_PRINT("\n\t    Node ID: %s (0x%08x)",
612                        GET_IPADDR_STRING(obj_tptr),
613                        GET_BE_U_4(obj_tptr));
614                 break;
615 
616             default:
617                 hexdump=TRUE;
618             }
619             break;
620 
621         case LMP_OBJ_CONFIG:
622             switch(lmp_obj_ctype) {
623             case LMP_CTYPE_HELLO_CONFIG:
624                 if (obj_tlen != 4) {
625                     ND_PRINT(" (not correct for object)");
626                     break;
627                 }
628                 ND_PRINT("\n\t    Hello Interval: %u\n\t    Hello Dead Interval: %u",
629                        GET_BE_U_2(obj_tptr),
630                        GET_BE_U_2(obj_tptr + 2));
631                 break;
632 
633             default:
634                 hexdump=TRUE;
635             }
636             break;
637 
638         case LMP_OBJ_HELLO:
639             switch(lmp_obj_ctype) {
640 	    case LMP_CTYPE_HELLO:
641                 if (obj_tlen != 8) {
642                     ND_PRINT(" (not correct for object)");
643                     break;
644                 }
645                 ND_PRINT("\n\t    Tx Seq: %u, Rx Seq: %u",
646                        GET_BE_U_4(obj_tptr),
647                        GET_BE_U_4(obj_tptr + 4));
648                 break;
649 
650             default:
651                 hexdump=TRUE;
652             }
653             break;
654 
655         case LMP_OBJ_TE_LINK:
656 	    switch(lmp_obj_ctype) {
657 	    case LMP_CTYPE_IPV4:
658                 if (obj_tlen != 12) {
659                     ND_PRINT(" (not correct for object)");
660                     break;
661                 }
662 		ND_PRINT("\n\t    Flags: [%s]",
663 		    bittok2str(lmp_obj_te_link_flag_values,
664 			"none",
665 			GET_U_1(obj_tptr)));
666 
667 		ND_PRINT("\n\t    Local Link-ID: %s (0x%08x)"
668 		       "\n\t    Remote Link-ID: %s (0x%08x)",
669                        GET_IPADDR_STRING(obj_tptr+4),
670                        GET_BE_U_4(obj_tptr + 4),
671                        GET_IPADDR_STRING(obj_tptr+8),
672                        GET_BE_U_4(obj_tptr + 8));
673 		break;
674 
675 	    case LMP_CTYPE_IPV6:
676                 if (obj_tlen != 36) {
677                     ND_PRINT(" (not correct for object)");
678                     break;
679                 }
680 		ND_PRINT("\n\t    Flags: [%s]",
681 		    bittok2str(lmp_obj_te_link_flag_values,
682 			"none",
683 			GET_U_1(obj_tptr)));
684 
685 		ND_PRINT("\n\t    Local Link-ID: %s (0x%08x)"
686 		       "\n\t    Remote Link-ID: %s (0x%08x)",
687                        GET_IP6ADDR_STRING(obj_tptr+4),
688                        GET_BE_U_4(obj_tptr + 4),
689                        GET_IP6ADDR_STRING(obj_tptr+20),
690                        GET_BE_U_4(obj_tptr + 20));
691                 break;
692 
693 	    case LMP_CTYPE_UNMD:
694                 if (obj_tlen != 12) {
695                     ND_PRINT(" (not correct for object)");
696                     break;
697                 }
698 		ND_PRINT("\n\t    Flags: [%s]",
699 		    bittok2str(lmp_obj_te_link_flag_values,
700 			"none",
701 			GET_U_1(obj_tptr)));
702 
703 		ND_PRINT("\n\t    Local Link-ID: %u (0x%08x)"
704 		       "\n\t    Remote Link-ID: %u (0x%08x)",
705                        GET_BE_U_4(obj_tptr + 4),
706                        GET_BE_U_4(obj_tptr + 4),
707                        GET_BE_U_4(obj_tptr + 8),
708                        GET_BE_U_4(obj_tptr + 8));
709 		break;
710 
711             default:
712                 hexdump=TRUE;
713             }
714             break;
715 
716         case LMP_OBJ_DATA_LINK:
717 	    switch(lmp_obj_ctype) {
718 	    case LMP_CTYPE_IPV4:
719                 if (obj_tlen < 12) {
720                     ND_PRINT(" (not correct for object)");
721                     break;
722                 }
723 	        ND_PRINT("\n\t    Flags: [%s]",
724 		    bittok2str(lmp_obj_data_link_flag_values,
725 			"none",
726 			GET_U_1(obj_tptr)));
727                 ND_PRINT("\n\t    Local Interface ID: %s (0x%08x)"
728                        "\n\t    Remote Interface ID: %s (0x%08x)",
729                        GET_IPADDR_STRING(obj_tptr+4),
730                        GET_BE_U_4(obj_tptr + 4),
731                        GET_IPADDR_STRING(obj_tptr+8),
732                        GET_BE_U_4(obj_tptr + 8));
733 
734 		if (lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12))
735 		    hexdump=TRUE;
736 		break;
737 
738 	    case LMP_CTYPE_IPV6:
739                 if (obj_tlen < 36) {
740                     ND_PRINT(" (not correct for object)");
741                     break;
742                 }
743 	        ND_PRINT("\n\t    Flags: [%s]",
744 		    bittok2str(lmp_obj_data_link_flag_values,
745 			"none",
746 			GET_U_1(obj_tptr)));
747                 ND_PRINT("\n\t    Local Interface ID: %s (0x%08x)"
748                        "\n\t    Remote Interface ID: %s (0x%08x)",
749                        GET_IP6ADDR_STRING(obj_tptr+4),
750                        GET_BE_U_4(obj_tptr + 4),
751                        GET_IP6ADDR_STRING(obj_tptr+20),
752                        GET_BE_U_4(obj_tptr + 20));
753 
754 		if (lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 36, 36))
755 		    hexdump=TRUE;
756 		break;
757 
758 	    case LMP_CTYPE_UNMD:
759                 if (obj_tlen < 12) {
760                     ND_PRINT(" (not correct for object)");
761                     break;
762                 }
763 	        ND_PRINT("\n\t    Flags: [%s]",
764 		    bittok2str(lmp_obj_data_link_flag_values,
765 			"none",
766 			GET_U_1(obj_tptr)));
767                 ND_PRINT("\n\t    Local Interface ID: %u (0x%08x)"
768                        "\n\t    Remote Interface ID: %u (0x%08x)",
769                        GET_BE_U_4(obj_tptr + 4),
770                        GET_BE_U_4(obj_tptr + 4),
771                        GET_BE_U_4(obj_tptr + 8),
772                        GET_BE_U_4(obj_tptr + 8));
773 
774 		if (lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12))
775 		    hexdump=TRUE;
776 		break;
777 
778             default:
779                 hexdump=TRUE;
780             }
781             break;
782 
783         case LMP_OBJ_VERIFY_BEGIN:
784 	    switch(lmp_obj_ctype) {
785             case LMP_CTYPE_1:
786                 if (obj_tlen != 20) {
787                     ND_PRINT(" (not correct for object)");
788                     break;
789                 }
790 		ND_PRINT("\n\t    Flags: %s",
791 		bittok2str(lmp_obj_begin_verify_flag_values,
792 			"none",
793 			GET_BE_U_2(obj_tptr)));
794 		ND_PRINT("\n\t    Verify Interval: %u",
795 			GET_BE_U_2(obj_tptr + 2));
796 		ND_PRINT("\n\t    Data links: %u",
797 			GET_BE_U_4(obj_tptr + 4));
798                 ND_PRINT("\n\t    Encoding type: %s",
799 			tok2str(gmpls_encoding_values, "Unknown", GET_U_1((obj_tptr + 8))));
800                 ND_PRINT("\n\t    Verify Transport Mechanism: %u (0x%x)%s",
801 			GET_BE_U_2(obj_tptr + 10),
802 			GET_BE_U_2(obj_tptr + 10),
803 			GET_BE_U_2(obj_tptr + 10)&8000 ? " (Payload test messages capable)" : "");
804                 bw.i = GET_BE_U_4(obj_tptr + 12);
805 		ND_PRINT("\n\t    Transmission Rate: %.3f Mbps",bw.f*8/1000000);
806 		ND_PRINT("\n\t    Wavelength: %u",
807 			GET_BE_U_4(obj_tptr + 16));
808 		break;
809 
810             default:
811                 hexdump=TRUE;
812             }
813             break;
814 
815         case LMP_OBJ_VERIFY_BEGIN_ACK:
816 	    switch(lmp_obj_ctype) {
817             case LMP_CTYPE_1:
818                 if (obj_tlen != 4) {
819                     ND_PRINT(" (not correct for object)");
820                     break;
821                 }
822                 ND_PRINT("\n\t    Verify Dead Interval: %u"
823                        "\n\t    Verify Transport Response: %u",
824                        GET_BE_U_2(obj_tptr),
825                        GET_BE_U_2(obj_tptr + 2));
826                 break;
827 
828             default:
829                 hexdump=TRUE;
830             }
831             break;
832 
833 	case LMP_OBJ_VERIFY_ID:
834 	    switch(lmp_obj_ctype) {
835             case LMP_CTYPE_1:
836                 if (obj_tlen != 4) {
837                     ND_PRINT(" (not correct for object)");
838                     break;
839                 }
840                 ND_PRINT("\n\t    Verify ID: %u",
841                        GET_BE_U_4(obj_tptr));
842                 break;
843 
844             default:
845                 hexdump=TRUE;
846             }
847             break;
848 
849 	case LMP_OBJ_CHANNEL_STATUS:
850             switch(lmp_obj_ctype) {
851 	    case LMP_CTYPE_IPV4:
852 		offset = 0;
853 		/* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
854 		while (offset+8 <= obj_tlen) {
855 			ND_PRINT("\n\t    Interface ID: %s (0x%08x)",
856 			GET_IPADDR_STRING(obj_tptr+offset),
857 			GET_BE_U_4(obj_tptr + offset));
858 
859 			ND_PRINT("\n\t\t    Active: %s (%u)",
860 				(GET_BE_U_4(obj_tptr + offset + 4)>>31) ?
861 				"Allocated" : "Non-allocated",
862 				(GET_BE_U_4(obj_tptr + offset + 4)>>31));
863 
864 			ND_PRINT("\n\t\t    Direction: %s (%u)",
865 				(GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1 ?
866 				"Transmit" : "Receive",
867 				(GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1);
868 
869 			ND_PRINT("\n\t\t    Channel Status: %s (%u)",
870 					tok2str(lmp_obj_channel_status_values,
871 					"Unknown",
872 					GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF),
873 					GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF);
874 			offset+=8;
875 		}
876                 break;
877 
878 	    case LMP_CTYPE_IPV6:
879 		offset = 0;
880 		/* Decode pairs: <Interface_ID (16 bytes), Channel_status (4 bytes)> */
881 		while (offset+20 <= obj_tlen) {
882 			ND_PRINT("\n\t    Interface ID: %s (0x%08x)",
883 			GET_IP6ADDR_STRING(obj_tptr+offset),
884 			GET_BE_U_4(obj_tptr + offset));
885 
886 			ND_PRINT("\n\t\t    Active: %s (%u)",
887 				(GET_BE_U_4(obj_tptr + offset + 16)>>31) ?
888 				"Allocated" : "Non-allocated",
889 				(GET_BE_U_4(obj_tptr + offset + 16)>>31));
890 
891 			ND_PRINT("\n\t\t    Direction: %s (%u)",
892 				(GET_BE_U_4(obj_tptr + offset + 16)>>30)&0x1 ?
893 				"Transmit" : "Receive",
894 				(GET_BE_U_4(obj_tptr + offset + 16)>>30)&0x1);
895 
896 			ND_PRINT("\n\t\t    Channel Status: %s (%u)",
897 					tok2str(lmp_obj_channel_status_values,
898 					"Unknown",
899 					GET_BE_U_4(obj_tptr + offset + 16)&0x3FFFFFF),
900 					GET_BE_U_4(obj_tptr + offset + 16)&0x3FFFFFF);
901 			offset+=20;
902 		}
903                 break;
904 
905 	    case LMP_CTYPE_UNMD:
906 		offset = 0;
907 		/* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
908 		while (offset+8 <= obj_tlen) {
909 			ND_PRINT("\n\t    Interface ID: %u (0x%08x)",
910 			GET_BE_U_4(obj_tptr + offset),
911 			GET_BE_U_4(obj_tptr + offset));
912 
913 			ND_PRINT("\n\t\t    Active: %s (%u)",
914 				(GET_BE_U_4(obj_tptr + offset + 4)>>31) ?
915 				"Allocated" : "Non-allocated",
916 				(GET_BE_U_4(obj_tptr + offset + 4)>>31));
917 
918 			ND_PRINT("\n\t\t    Direction: %s (%u)",
919 				(GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1 ?
920 				"Transmit" : "Receive",
921 				(GET_BE_U_4(obj_tptr + offset + 4)>>30)&0x1);
922 
923 			ND_PRINT("\n\t\t    Channel Status: %s (%u)",
924 					tok2str(lmp_obj_channel_status_values,
925 					"Unknown",
926 					GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF),
927 					GET_BE_U_4(obj_tptr + offset + 4)&0x3FFFFFF);
928 			offset+=8;
929 		}
930                 break;
931 
932             default:
933                 hexdump=TRUE;
934             }
935             break;
936 
937 	case LMP_OBJ_CHANNEL_STATUS_REQ:
938             switch(lmp_obj_ctype) {
939 	    case LMP_CTYPE_IPV4:
940 		offset = 0;
941 		while (offset+4 <= obj_tlen) {
942 			ND_PRINT("\n\t    Interface ID: %s (0x%08x)",
943 			GET_IPADDR_STRING(obj_tptr+offset),
944 			GET_BE_U_4(obj_tptr + offset));
945 			offset+=4;
946 		}
947                 break;
948 
949 	    case LMP_CTYPE_IPV6:
950 		offset = 0;
951 		while (offset+16 <= obj_tlen) {
952 			ND_PRINT("\n\t    Interface ID: %s (0x%08x)",
953 			GET_IP6ADDR_STRING(obj_tptr+offset),
954 			GET_BE_U_4(obj_tptr + offset));
955 			offset+=16;
956 		}
957                 break;
958 
959 	    case LMP_CTYPE_UNMD:
960 		offset = 0;
961 		while (offset+4 <= obj_tlen) {
962 			ND_PRINT("\n\t    Interface ID: %u (0x%08x)",
963 			GET_BE_U_4(obj_tptr + offset),
964 			GET_BE_U_4(obj_tptr + offset));
965 			offset+=4;
966 		}
967                 break;
968 
969 	    default:
970                 hexdump=TRUE;
971             }
972             break;
973 
974         case LMP_OBJ_ERROR_CODE:
975 	    switch(lmp_obj_ctype) {
976             case LMP_CTYPE_BEGIN_VERIFY_ERROR:
977                 if (obj_tlen != 4) {
978                     ND_PRINT(" (not correct for object)");
979                     break;
980                 }
981 		ND_PRINT("\n\t    Error Code: %s",
982 		bittok2str(lmp_obj_begin_verify_error_values,
983 			"none",
984 			GET_BE_U_4(obj_tptr)));
985                 break;
986 
987             case LMP_CTYPE_LINK_SUMMARY_ERROR:
988                 if (obj_tlen != 4) {
989                     ND_PRINT(" (not correct for object)");
990                     break;
991                 }
992 		ND_PRINT("\n\t    Error Code: %s",
993 		bittok2str(lmp_obj_link_summary_error_values,
994 			"none",
995 			GET_BE_U_4(obj_tptr)));
996                 break;
997             default:
998                 hexdump=TRUE;
999             }
1000             break;
1001 
1002 	case LMP_OBJ_SERVICE_CONFIG:
1003 	    switch (lmp_obj_ctype) {
1004 	    case LMP_CTYPE_SERVICE_CONFIG_SP:
1005                 if (obj_tlen != 4) {
1006                     ND_PRINT(" (not correct for object)");
1007                     break;
1008                 }
1009 		ND_PRINT("\n\t Flags: %s",
1010 		       bittok2str(lmp_obj_service_config_sp_flag_values,
1011 				  "none",
1012 				  GET_U_1(obj_tptr)));
1013 
1014 		ND_PRINT("\n\t  UNI Version: %u",
1015 		       GET_U_1(obj_tptr + 1));
1016 
1017 		break;
1018 
1019             case LMP_CTYPE_SERVICE_CONFIG_CPSA:
1020                 if (obj_tlen != 16) {
1021                     ND_PRINT(" (not correct for object)");
1022                     break;
1023                 }
1024 
1025 		link_type = GET_U_1(obj_tptr);
1026 
1027 		ND_PRINT("\n\t Link Type: %s (%u)",
1028 		       tok2str(lmp_sd_service_config_cpsa_link_type_values,
1029 			       "Unknown", link_type),
1030 		       link_type);
1031 
1032 		switch (link_type) {
1033 		case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH:
1034 		    ND_PRINT("\n\t Signal Type: %s (%u)",
1035 			   tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values,
1036 				   "Unknown",
1037 				   GET_U_1(obj_tptr + 1)),
1038 			   GET_U_1(obj_tptr + 1));
1039 		    break;
1040 
1041 		case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET:
1042 		    ND_PRINT("\n\t Signal Type: %s (%u)",
1043 			   tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values,
1044 				   "Unknown",
1045 				   GET_U_1(obj_tptr + 1)),
1046 			   GET_U_1(obj_tptr + 1));
1047 		    break;
1048 		}
1049 
1050 		ND_PRINT("\n\t Transparency: %s",
1051 		       bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
1052 				  "none",
1053 				  GET_U_1(obj_tptr + 2)));
1054 
1055 		ND_PRINT("\n\t Contiguous Concatenation Types: %s",
1056 		       bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
1057 				  "none",
1058 				  GET_U_1(obj_tptr + 3)));
1059 
1060 		ND_PRINT("\n\t Minimum NCC: %u",
1061 		       GET_BE_U_2(obj_tptr + 4));
1062 
1063 		ND_PRINT("\n\t Maximum NCC: %u",
1064 		       GET_BE_U_2(obj_tptr + 6));
1065 
1066 		ND_PRINT("\n\t Minimum NVC:%u",
1067 		       GET_BE_U_2(obj_tptr + 8));
1068 
1069 		ND_PRINT("\n\t Maximum NVC:%u",
1070 		       GET_BE_U_2(obj_tptr + 10));
1071 
1072 		ND_PRINT("\n\t    Local Interface ID: %s (0x%08x)",
1073 		       GET_IPADDR_STRING(obj_tptr+12),
1074 		       GET_BE_U_4(obj_tptr + 12));
1075 
1076 		break;
1077 
1078 	    case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
1079                 if (obj_tlen != 8) {
1080                     ND_PRINT(" (not correct for object)");
1081                     break;
1082                 }
1083 
1084 		ND_PRINT("\n\t Transparency Flags: %s",
1085 		       bittok2str(
1086 			   lmp_obj_service_config_nsa_transparency_flag_values,
1087 			   "none",
1088 			   GET_BE_U_4(obj_tptr)));
1089 
1090 		ND_PRINT("\n\t TCM Monitoring Flags: %s",
1091 		       bittok2str(
1092 			   lmp_obj_service_config_nsa_tcm_flag_values,
1093 			   "none",
1094 			   GET_U_1(obj_tptr + 7)));
1095 
1096 		break;
1097 
1098 	    case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
1099                 if (obj_tlen != 4) {
1100                     ND_PRINT(" (not correct for object)");
1101                     break;
1102                 }
1103 
1104 		ND_PRINT("\n\t Diversity: Flags: %s",
1105 		       bittok2str(
1106 			   lmp_obj_service_config_nsa_network_diversity_flag_values,
1107 			   "none",
1108 			   GET_U_1(obj_tptr + 3)));
1109 		break;
1110 
1111 	    default:
1112 		hexdump = TRUE;
1113 	    }
1114 
1115 	break;
1116 
1117         default:
1118             if (ndo->ndo_vflag <= 1)
1119                 print_unknown_data(ndo,obj_tptr,"\n\t    ",obj_tlen);
1120             break;
1121         }
1122         /* do we want to see an additionally hexdump ? */
1123         if (ndo->ndo_vflag > 1 || hexdump==TRUE)
1124             print_unknown_data(ndo,tptr+sizeof(struct lmp_object_header),"\n\t    ",
1125                                lmp_obj_len-sizeof(struct lmp_object_header));
1126 
1127         if (tlen < lmp_obj_len) {
1128             ND_PRINT(" [remaining objects length %u < %u]", tlen, lmp_obj_len);
1129             nd_print_invalid(ndo);
1130             break;
1131         }
1132         tptr+=lmp_obj_len;
1133         tlen-=lmp_obj_len;
1134     }
1135 }
1136