xref: /freebsd/contrib/tcpdump/print-lmp.c (revision 43a5ec4eb41567cc92586503212743d89686d78f)
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: http://www.oiforum.com/public/documents/OIF-UNI-01.0.pdf */
22 
23 #ifdef HAVE_CONFIG_H
24 #include "config.h"
25 #endif
26 
27 #include <netdissect-stdinc.h>
28 
29 #include "netdissect.h"
30 #include "extract.h"
31 #include "addrtoname.h"
32 #include "gmpls.h"
33 
34 static const char tstr[] = " [|LMP]";
35 
36 /*
37  * LMP common header
38  *
39  *  0                   1                   2                   3
40  *  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
41  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
42  * | Vers  |      (Reserved)       |    Flags      |    Msg Type   |
43  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
44  * |          LMP Length           |          (Reserved)           |
45  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
46  */
47 
48 struct lmp_common_header {
49     uint8_t version_res[2];
50     uint8_t flags;
51     uint8_t msg_type;
52     uint8_t length[2];
53     uint8_t reserved[2];
54 };
55 
56 #define LMP_VERSION            1
57 #define	LMP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
58 
59 static const struct tok lmp_header_flag_values[] = {
60     { 0x01, "Control Channel Down"},
61     { 0x02, "LMP restart"},
62     { 0, NULL}
63 };
64 
65 static const struct tok lmp_obj_te_link_flag_values[] = {
66     { 0x01, "Fault Management Supported"},
67     { 0x02, "Link Verification Supported"},
68     { 0, NULL}
69 };
70 
71 static const struct tok lmp_obj_data_link_flag_values[] = {
72     { 0x01, "Data Link Port"},
73     { 0x02, "Allocated for user traffic"},
74     { 0x04, "Failed link"},
75     { 0, NULL}
76 };
77 
78 static const struct tok lmp_obj_channel_status_values[] = {
79     { 1, "Signal Okay"},
80     { 2, "Signal Degraded"},
81     { 3, "Signal Fail"},
82     { 0, NULL}
83 };
84 
85 static const struct tok lmp_obj_begin_verify_flag_values[] = {
86     { 0x0001, "Verify all links"},
87     { 0x0002, "Data link type"},
88     { 0, NULL}
89 };
90 
91 static const struct tok lmp_obj_begin_verify_error_values[] = {
92     { 0x01, "Link Verification Procedure Not supported"},
93     { 0x02, "Unwilling to verify"},
94     { 0x04, "Unsupported verification transport mechanism"},
95     { 0x08, "Link-Id configuration error"},
96     { 0x10, "Unknown object c-type"},
97     { 0, NULL}
98 };
99 
100 static const struct tok lmp_obj_link_summary_error_values[] = {
101     { 0x01, "Unacceptable non-negotiable LINK-SUMMARY parameters"},
102     { 0x02, "Renegotiate LINK-SUMMARY parameters"},
103     { 0x04, "Invalid TE-LINK Object"},
104     { 0x08, "Invalid DATA-LINK Object"},
105     { 0x10, "Unknown TE-LINK Object c-type"},
106     { 0x20, "Unknown DATA-LINK Object c-type"},
107     { 0, NULL}
108 };
109 
110 /* Service Config Supported Protocols Flags */
111 static const struct tok lmp_obj_service_config_sp_flag_values[] = {
112     { 0x01, "RSVP Supported"},
113     { 0x02, "LDP Supported"},
114     { 0, NULL}
115 };
116 
117 /* Service Config Client Port Service Attribute Transparency Flags */
118 static const struct tok lmp_obj_service_config_cpsa_tp_flag_values[] = {
119     { 0x01, "Path/VC Overhead Transparency Supported"},
120     { 0x02, "Line/MS Overhead Transparency Supported"},
121     { 0x04, "Section/RS Overhead Transparency Supported"},
122     { 0, NULL}
123 };
124 
125 /* Service Config Client Port Service Attribute Contiguous Concatenation Types Flags */
126 static const struct tok lmp_obj_service_config_cpsa_cct_flag_values[] = {
127     { 0x01, "Contiguous Concatenation Types Supported"},
128     { 0, NULL}
129 };
130 
131 /* Service Config Network Service Attributes Transparency Flags */
132 static const struct tok lmp_obj_service_config_nsa_transparency_flag_values[] = {
133     { 0x01, "Standard SOH/RSOH Transparency Supported"},
134     { 0x02, "Standard LOH/MSOH Transparency Supported"},
135     { 0, NULL}
136 };
137 
138 /* Service Config Network Service Attributes TCM Monitoring Flags */
139 static const struct tok lmp_obj_service_config_nsa_tcm_flag_values[] = {
140     { 0x01, "Transparent Tandem Connection Monitoring Supported"},
141     { 0, NULL}
142 };
143 
144 /* Network Service Attributes Network Diversity Flags */
145 static const struct tok lmp_obj_service_config_nsa_network_diversity_flag_values[] = {
146     { 0x01, "Node Diversity Supported"},
147     { 0x02, "Link Diversity Supported"},
148     { 0x04, "SRLG Diversity Supported"},
149     { 0, NULL}
150 };
151 
152 #define	LMP_MSGTYPE_CONFIG                 1
153 #define	LMP_MSGTYPE_CONFIG_ACK             2
154 #define	LMP_MSGTYPE_CONFIG_NACK            3
155 #define	LMP_MSGTYPE_HELLO                  4
156 #define	LMP_MSGTYPE_VERIFY_BEGIN           5
157 #define	LMP_MSGTYPE_VERIFY_BEGIN_ACK       6
158 #define	LMP_MSGTYPE_VERIFY_BEGIN_NACK      7
159 #define LMP_MSGTYPE_VERIFY_END             8
160 #define LMP_MSGTYPE_VERIFY_END_ACK         9
161 #define LMP_MSGTYPE_TEST                  10
162 #define LMP_MSGTYPE_TEST_STATUS_SUCCESS   11
163 #define	LMP_MSGTYPE_TEST_STATUS_FAILURE   12
164 #define	LMP_MSGTYPE_TEST_STATUS_ACK       13
165 #define	LMP_MSGTYPE_LINK_SUMMARY          14
166 #define	LMP_MSGTYPE_LINK_SUMMARY_ACK      15
167 #define	LMP_MSGTYPE_LINK_SUMMARY_NACK     16
168 #define	LMP_MSGTYPE_CHANNEL_STATUS        17
169 #define	LMP_MSGTYPE_CHANNEL_STATUS_ACK    18
170 #define	LMP_MSGTYPE_CHANNEL_STATUS_REQ    19
171 #define	LMP_MSGTYPE_CHANNEL_STATUS_RESP   20
172 /* LMP Service Discovery message types defined by UNI 1.0 */
173 #define LMP_MSGTYPE_SERVICE_CONFIG        50
174 #define LMP_MSGTYPE_SERVICE_CONFIG_ACK    51
175 #define LMP_MSGTYPE_SERVICE_CONFIG_NACK   52
176 
177 static const struct tok lmp_msg_type_values[] = {
178     { LMP_MSGTYPE_CONFIG, "Config"},
179     { LMP_MSGTYPE_CONFIG_ACK, "Config ACK"},
180     { LMP_MSGTYPE_CONFIG_NACK, "Config NACK"},
181     { LMP_MSGTYPE_HELLO, "Hello"},
182     { LMP_MSGTYPE_VERIFY_BEGIN, "Begin Verify"},
183     { LMP_MSGTYPE_VERIFY_BEGIN_ACK, "Begin Verify ACK"},
184     { LMP_MSGTYPE_VERIFY_BEGIN_NACK, "Begin Verify NACK"},
185     { LMP_MSGTYPE_VERIFY_END, "End Verify"},
186     { LMP_MSGTYPE_VERIFY_END_ACK, "End Verify ACK"},
187     { LMP_MSGTYPE_TEST, "Test"},
188     { LMP_MSGTYPE_TEST_STATUS_SUCCESS, "Test Status Success"},
189     { LMP_MSGTYPE_TEST_STATUS_FAILURE, "Test Status Failure"},
190     { LMP_MSGTYPE_TEST_STATUS_ACK, "Test Status ACK"},
191     { LMP_MSGTYPE_LINK_SUMMARY, "Link Summary"},
192     { LMP_MSGTYPE_LINK_SUMMARY_ACK, "Link Summary ACK"},
193     { LMP_MSGTYPE_LINK_SUMMARY_NACK, "Link Summary NACK"},
194     { LMP_MSGTYPE_CHANNEL_STATUS, "Channel Status"},
195     { LMP_MSGTYPE_CHANNEL_STATUS_ACK, "Channel Status ACK"},
196     { LMP_MSGTYPE_CHANNEL_STATUS_REQ, "Channel Status Request"},
197     { LMP_MSGTYPE_CHANNEL_STATUS_RESP, "Channel Status Response"},
198     { LMP_MSGTYPE_SERVICE_CONFIG, "Service Config"},
199     { LMP_MSGTYPE_SERVICE_CONFIG_ACK, "Service Config ACK"},
200     { LMP_MSGTYPE_SERVICE_CONFIG_NACK, "Service Config NACK"},
201     { 0, NULL}
202 };
203 
204 /*
205  * LMP object header
206  *
207  *  0                   1                   2                   3
208  *  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
209  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
210  * |N|   C-Type    |     Class     |            Length             |
211  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
212  * |                                                               |
213  * //                       (object contents)                     //
214  * |                                                               |
215  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
216  */
217 
218 struct lmp_object_header {
219     uint8_t ctype;
220     uint8_t class_num;
221     uint8_t length[2];
222 };
223 
224 #define	LMP_OBJ_CC_ID                 1
225 #define	LMP_OBJ_NODE_ID               2
226 #define	LMP_OBJ_LINK_ID               3
227 #define	LMP_OBJ_INTERFACE_ID          4
228 #define	LMP_OBJ_MESSAGE_ID            5
229 #define	LMP_OBJ_CONFIG                6
230 #define	LMP_OBJ_HELLO                 7
231 #define	LMP_OBJ_VERIFY_BEGIN          8
232 #define LMP_OBJ_VERIFY_BEGIN_ACK      9
233 #define LMP_OBJ_VERIFY_ID            10
234 #define LMP_OBJ_TE_LINK              11
235 #define LMP_OBJ_DATA_LINK            12
236 #define LMP_OBJ_CHANNEL_STATUS       13
237 #define LMP_OBJ_CHANNEL_STATUS_REQ   14
238 #define LMP_OBJ_ERROR_CODE           20
239 
240 #define LMP_OBJ_SERVICE_CONFIG       51 /* defined in UNI 1.0 */
241 
242 static const struct tok lmp_obj_values[] = {
243     { LMP_OBJ_CC_ID, "Control Channel ID" },
244     { LMP_OBJ_NODE_ID, "Node ID" },
245     { LMP_OBJ_LINK_ID, "Link ID" },
246     { LMP_OBJ_INTERFACE_ID, "Interface ID" },
247     { LMP_OBJ_MESSAGE_ID, "Message ID" },
248     { LMP_OBJ_CONFIG, "Configuration" },
249     { LMP_OBJ_HELLO, "Hello" },
250     { LMP_OBJ_VERIFY_BEGIN, "Verify Begin" },
251     { LMP_OBJ_VERIFY_BEGIN_ACK, "Verify Begin ACK" },
252     { LMP_OBJ_VERIFY_ID, "Verify ID" },
253     { LMP_OBJ_TE_LINK, "TE Link" },
254     { LMP_OBJ_DATA_LINK, "Data Link" },
255     { LMP_OBJ_CHANNEL_STATUS, "Channel Status" },
256     { LMP_OBJ_CHANNEL_STATUS_REQ, "Channel Status Request" },
257     { LMP_OBJ_ERROR_CODE, "Error Code" },
258     { LMP_OBJ_SERVICE_CONFIG, "Service Config" },
259 
260     { 0, NULL}
261 };
262 
263 #define INT_SWITCHING_TYPE_SUBOBJ 1
264 #define WAVELENGTH_SUBOBJ         2
265 
266 static const struct tok lmp_data_link_subobj[] = {
267     { INT_SWITCHING_TYPE_SUBOBJ, "Interface Switching Type" },
268     { WAVELENGTH_SUBOBJ        , "Wavelength" },
269     { 0, NULL}
270 };
271 
272 #define	LMP_CTYPE_IPV4       1
273 #define	LMP_CTYPE_IPV6       2
274 
275 #define	LMP_CTYPE_LOC        1
276 #define	LMP_CTYPE_RMT        2
277 #define	LMP_CTYPE_UNMD       3
278 
279 #define	LMP_CTYPE_IPV4_LOC   1
280 #define	LMP_CTYPE_IPV4_RMT   2
281 #define	LMP_CTYPE_IPV6_LOC   3
282 #define	LMP_CTYPE_IPV6_RMT   4
283 #define	LMP_CTYPE_UNMD_LOC   5
284 #define	LMP_CTYPE_UNMD_RMT   6
285 
286 #define	LMP_CTYPE_1          1
287 #define	LMP_CTYPE_2          2
288 
289 #define LMP_CTYPE_HELLO_CONFIG  1
290 #define LMP_CTYPE_HELLO         1
291 
292 #define LMP_CTYPE_BEGIN_VERIFY_ERROR 1
293 #define LMP_CTYPE_LINK_SUMMARY_ERROR 2
294 
295 /* C-Types for Service Config Object */
296 #define LMP_CTYPE_SERVICE_CONFIG_SP                   1
297 #define LMP_CTYPE_SERVICE_CONFIG_CPSA                 2
298 #define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM     3
299 #define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY    4
300 
301 /*
302  * Different link types allowed in the Client Port Service Attributes
303  * subobject defined for LMP Service Discovery in the UNI 1.0 spec
304  */
305 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH     5 /* UNI 1.0 Sec 9.4.2 */
306 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET   6 /* UNI 1.0 Sec 9.4.2 */
307 
308 /*
309  * the ctypes are not globally unique so for
310  * translating it to strings we build a table based
311  * on objects offsetted by the ctype
312  */
313 
314 static const struct tok lmp_ctype_values[] = {
315     { 256*LMP_OBJ_CC_ID+LMP_CTYPE_LOC, "Local" },
316     { 256*LMP_OBJ_CC_ID+LMP_CTYPE_RMT, "Remote" },
317     { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_LOC, "Local" },
318     { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_RMT, "Remote" },
319     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
320     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
321     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
322     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
323     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
324     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
325     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
326     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
327     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
328     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
329     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
330     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
331     { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_1, "1" },
332     { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_2, "2" },
333     { 256*LMP_OBJ_CONFIG+LMP_CTYPE_1, "1" },
334     { 256*LMP_OBJ_HELLO+LMP_CTYPE_1, "1" },
335     { 256*LMP_OBJ_VERIFY_BEGIN+LMP_CTYPE_1, "1" },
336     { 256*LMP_OBJ_VERIFY_BEGIN_ACK+LMP_CTYPE_1, "1" },
337     { 256*LMP_OBJ_VERIFY_ID+LMP_CTYPE_1, "1" },
338     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV4, "IPv4" },
339     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV6, "IPv6" },
340     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
341     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV4, "IPv4" },
342     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV6, "IPv6" },
343     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
344     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV4, "IPv4" },
345     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV6, "IPv6" },
346     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_UNMD, "Unnumbered" },
347     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV4, "IPv4" },
348     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV6, "IPv6" },
349     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_UNMD, "Unnumbered" },
350     { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_1, "1" },
351     { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_2, "2" },
352     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_SP, "1" },
353     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_CPSA, "2" },
354     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM, "3" },
355     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY, "4" },
356     { 0, NULL}
357 };
358 
359 static int
360 lmp_print_data_link_subobjs(netdissect_options *ndo, const u_char *obj_tptr,
361                             int total_subobj_len, int offset)
362 {
363     int hexdump = FALSE;
364     int subobj_type, subobj_len;
365 
366     union { /* int to float conversion buffer */
367         float f;
368         uint32_t i;
369     } bw;
370 
371     while (total_subobj_len > 0 && hexdump == FALSE ) {
372 	ND_TCHECK_16BITS(obj_tptr + offset);
373 	subobj_type = EXTRACT_8BITS(obj_tptr + offset);
374 	subobj_len  = EXTRACT_8BITS(obj_tptr + offset + 1);
375 	ND_PRINT((ndo, "\n\t    Subobject, Type: %s (%u), Length: %u",
376 		tok2str(lmp_data_link_subobj,
377 			"Unknown",
378 			subobj_type),
379 			subobj_type,
380 			subobj_len));
381 	if (subobj_len < 4) {
382 	    ND_PRINT((ndo, " (too short)"));
383 	    break;
384 	}
385 	if ((subobj_len % 4) != 0) {
386 	    ND_PRINT((ndo, " (not a multiple of 4)"));
387 	    break;
388 	}
389 	if (total_subobj_len < subobj_len) {
390 	    ND_PRINT((ndo, " (goes past the end of the object)"));
391 	    break;
392 	}
393 	switch(subobj_type) {
394 	case INT_SWITCHING_TYPE_SUBOBJ:
395 	    ND_TCHECK_8BITS(obj_tptr + offset + 2);
396 	    ND_PRINT((ndo, "\n\t      Switching Type: %s (%u)",
397 		tok2str(gmpls_switch_cap_values,
398 			"Unknown",
399 			EXTRACT_8BITS(obj_tptr + offset + 2)),
400 			EXTRACT_8BITS(obj_tptr + offset + 2)));
401 	    ND_TCHECK_8BITS(obj_tptr + offset + 3);
402 	    ND_PRINT((ndo, "\n\t      Encoding Type: %s (%u)",
403 		tok2str(gmpls_encoding_values,
404 			"Unknown",
405 			EXTRACT_8BITS(obj_tptr + offset + 3)),
406 			EXTRACT_8BITS(obj_tptr + offset + 3)));
407 	    ND_TCHECK_32BITS(obj_tptr + offset + 4);
408 	    bw.i = EXTRACT_32BITS(obj_tptr+offset+4);
409 	    ND_PRINT((ndo, "\n\t      Min Reservable Bandwidth: %.3f Mbps",
410                 bw.f*8/1000000));
411 	    ND_TCHECK_32BITS(obj_tptr + offset + 8);
412 	    bw.i = EXTRACT_32BITS(obj_tptr+offset+8);
413 	    ND_PRINT((ndo, "\n\t      Max Reservable Bandwidth: %.3f Mbps",
414                 bw.f*8/1000000));
415 	    break;
416 	case WAVELENGTH_SUBOBJ:
417 	    ND_TCHECK_32BITS(obj_tptr + offset + 4);
418 	    ND_PRINT((ndo, "\n\t      Wavelength: %u",
419 		EXTRACT_32BITS(obj_tptr+offset+4)));
420 	    break;
421 	default:
422 	    /* Any Unknown Subobject ==> Exit loop */
423 	    hexdump=TRUE;
424 	    break;
425 	}
426 	total_subobj_len-=subobj_len;
427 	offset+=subobj_len;
428     }
429     return (hexdump);
430 trunc:
431     return -1;
432 }
433 
434 void
435 lmp_print(netdissect_options *ndo,
436           register const u_char *pptr, register u_int len)
437 {
438     const struct lmp_common_header *lmp_com_header;
439     const struct lmp_object_header *lmp_obj_header;
440     const u_char *tptr,*obj_tptr;
441     u_int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen;
442     int hexdump, ret;
443     u_int offset;
444     u_int link_type;
445 
446     union { /* int to float conversion buffer */
447         float f;
448         uint32_t i;
449     } bw;
450 
451     tptr=pptr;
452     lmp_com_header = (const struct lmp_common_header *)pptr;
453     ND_TCHECK(*lmp_com_header);
454 
455     /*
456      * Sanity checking of the header.
457      */
458     if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) {
459 	ND_PRINT((ndo, "LMP version %u packet not supported",
460                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0])));
461 	return;
462     }
463 
464     /* in non-verbose mode just lets print the basic Message Type*/
465     if (ndo->ndo_vflag < 1) {
466         ND_PRINT((ndo, "LMPv%u %s Message, length: %u",
467                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
468                tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type),
469                len));
470         return;
471     }
472 
473     /* ok they seem to want to know everything - lets fully decode it */
474 
475     tlen=EXTRACT_16BITS(lmp_com_header->length);
476 
477     ND_PRINT((ndo, "\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
478            LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
479            tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type),
480            bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags),
481            tlen));
482     if (tlen < sizeof(const struct lmp_common_header)) {
483         ND_PRINT((ndo, " (too short)"));
484         return;
485     }
486     if (tlen > len) {
487         ND_PRINT((ndo, " (too long)"));
488         tlen = len;
489     }
490 
491     tptr+=sizeof(const struct lmp_common_header);
492     tlen-=sizeof(const struct lmp_common_header);
493 
494     while(tlen>0) {
495         /* did we capture enough for fully decoding the object header ? */
496         ND_TCHECK2(*tptr, sizeof(struct lmp_object_header));
497 
498         lmp_obj_header = (const struct lmp_object_header *)tptr;
499         lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length);
500         lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f;
501 
502         ND_PRINT((ndo, "\n\t  %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
503                tok2str(lmp_obj_values,
504                        "Unknown",
505                        lmp_obj_header->class_num),
506                lmp_obj_header->class_num,
507                tok2str(lmp_ctype_values,
508                        "Unknown",
509                        ((lmp_obj_header->class_num)<<8)+lmp_obj_ctype),
510                lmp_obj_ctype,
511                (lmp_obj_header->ctype)&0x80 ? "" : "non-",
512                lmp_obj_len));
513 
514         if (lmp_obj_len < 4) {
515             ND_PRINT((ndo, " (too short)"));
516             return;
517         }
518         if ((lmp_obj_len % 4) != 0) {
519             ND_PRINT((ndo, " (not a multiple of 4)"));
520             return;
521         }
522 
523         obj_tptr=tptr+sizeof(struct lmp_object_header);
524         obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header);
525 
526         /* did we capture enough for fully decoding the object ? */
527         ND_TCHECK2(*tptr, lmp_obj_len);
528         hexdump=FALSE;
529 
530         switch(lmp_obj_header->class_num) {
531 
532         case LMP_OBJ_CC_ID:
533             switch(lmp_obj_ctype) {
534             case LMP_CTYPE_LOC:
535             case LMP_CTYPE_RMT:
536                 if (obj_tlen != 4) {
537                     ND_PRINT((ndo, " (not correct for object)"));
538                     break;
539                 }
540                 ND_PRINT((ndo, "\n\t    Control Channel ID: %u (0x%08x)",
541                        EXTRACT_32BITS(obj_tptr),
542                        EXTRACT_32BITS(obj_tptr)));
543                 break;
544 
545             default:
546                 hexdump=TRUE;
547             }
548             break;
549 
550         case LMP_OBJ_LINK_ID:
551         case LMP_OBJ_INTERFACE_ID:
552             switch(lmp_obj_ctype) {
553             case LMP_CTYPE_IPV4_LOC:
554             case LMP_CTYPE_IPV4_RMT:
555                 if (obj_tlen != 4) {
556                     ND_PRINT((ndo, " (not correct for object)"));
557                     break;
558                 }
559                 ND_PRINT((ndo, "\n\t    IPv4 Link ID: %s (0x%08x)",
560                        ipaddr_string(ndo, obj_tptr),
561                        EXTRACT_32BITS(obj_tptr)));
562                 break;
563             case LMP_CTYPE_IPV6_LOC:
564             case LMP_CTYPE_IPV6_RMT:
565                 if (obj_tlen != 16) {
566                     ND_PRINT((ndo, " (not correct for object)"));
567                     break;
568                 }
569                 ND_PRINT((ndo, "\n\t    IPv6 Link ID: %s (0x%08x)",
570                        ip6addr_string(ndo, obj_tptr),
571                        EXTRACT_32BITS(obj_tptr)));
572                 break;
573             case LMP_CTYPE_UNMD_LOC:
574             case LMP_CTYPE_UNMD_RMT:
575                 if (obj_tlen != 4) {
576                     ND_PRINT((ndo, " (not correct for object)"));
577                     break;
578                 }
579                 ND_PRINT((ndo, "\n\t    Link ID: %u (0x%08x)",
580                        EXTRACT_32BITS(obj_tptr),
581                        EXTRACT_32BITS(obj_tptr)));
582                 break;
583             default:
584                 hexdump=TRUE;
585             }
586             break;
587 
588         case LMP_OBJ_MESSAGE_ID:
589             switch(lmp_obj_ctype) {
590             case LMP_CTYPE_1:
591                 if (obj_tlen != 4) {
592                     ND_PRINT((ndo, " (not correct for object)"));
593                     break;
594                 }
595                 ND_PRINT((ndo, "\n\t    Message ID: %u (0x%08x)",
596                        EXTRACT_32BITS(obj_tptr),
597                        EXTRACT_32BITS(obj_tptr)));
598                 break;
599             case LMP_CTYPE_2:
600                 if (obj_tlen != 4) {
601                     ND_PRINT((ndo, " (not correct for object)"));
602                     break;
603                 }
604                 ND_PRINT((ndo, "\n\t    Message ID Ack: %u (0x%08x)",
605                        EXTRACT_32BITS(obj_tptr),
606                        EXTRACT_32BITS(obj_tptr)));
607                 break;
608             default:
609                 hexdump=TRUE;
610             }
611             break;
612 
613         case LMP_OBJ_NODE_ID:
614             switch(lmp_obj_ctype) {
615             case LMP_CTYPE_LOC:
616             case LMP_CTYPE_RMT:
617                 if (obj_tlen != 4) {
618                     ND_PRINT((ndo, " (not correct for object)"));
619                     break;
620                 }
621                 ND_PRINT((ndo, "\n\t    Node ID: %s (0x%08x)",
622                        ipaddr_string(ndo, obj_tptr),
623                        EXTRACT_32BITS(obj_tptr)));
624                 break;
625 
626             default:
627                 hexdump=TRUE;
628             }
629             break;
630 
631         case LMP_OBJ_CONFIG:
632             switch(lmp_obj_ctype) {
633             case LMP_CTYPE_HELLO_CONFIG:
634                 if (obj_tlen != 4) {
635                     ND_PRINT((ndo, " (not correct for object)"));
636                     break;
637                 }
638                 ND_PRINT((ndo, "\n\t    Hello Interval: %u\n\t    Hello Dead Interval: %u",
639                        EXTRACT_16BITS(obj_tptr),
640                        EXTRACT_16BITS(obj_tptr+2)));
641                 break;
642 
643             default:
644                 hexdump=TRUE;
645             }
646             break;
647 
648         case LMP_OBJ_HELLO:
649             switch(lmp_obj_ctype) {
650 	    case LMP_CTYPE_HELLO:
651                 if (obj_tlen != 8) {
652                     ND_PRINT((ndo, " (not correct for object)"));
653                     break;
654                 }
655                 ND_PRINT((ndo, "\n\t    Tx Seq: %u, Rx Seq: %u",
656                        EXTRACT_32BITS(obj_tptr),
657                        EXTRACT_32BITS(obj_tptr+4)));
658                 break;
659 
660             default:
661                 hexdump=TRUE;
662             }
663             break;
664 
665         case LMP_OBJ_TE_LINK:
666 	    switch(lmp_obj_ctype) {
667 	    case LMP_CTYPE_IPV4:
668                 if (obj_tlen != 12) {
669                     ND_PRINT((ndo, " (not correct for object)"));
670                     break;
671                 }
672 		ND_PRINT((ndo, "\n\t    Flags: [%s]",
673 		    bittok2str(lmp_obj_te_link_flag_values,
674 			"none",
675 			EXTRACT_8BITS(obj_tptr))));
676 
677 		ND_PRINT((ndo, "\n\t    Local Link-ID: %s (0x%08x)"
678 		       "\n\t    Remote Link-ID: %s (0x%08x)",
679                        ipaddr_string(ndo, obj_tptr+4),
680                        EXTRACT_32BITS(obj_tptr+4),
681                        ipaddr_string(ndo, obj_tptr+8),
682                        EXTRACT_32BITS(obj_tptr+8)));
683 		break;
684 
685 	    case LMP_CTYPE_IPV6:
686                 if (obj_tlen != 36) {
687                     ND_PRINT((ndo, " (not correct for object)"));
688                     break;
689                 }
690 		ND_PRINT((ndo, "\n\t    Flags: [%s]",
691 		    bittok2str(lmp_obj_te_link_flag_values,
692 			"none",
693 			EXTRACT_8BITS(obj_tptr))));
694 
695 		ND_PRINT((ndo, "\n\t    Local Link-ID: %s (0x%08x)"
696 		       "\n\t    Remote Link-ID: %s (0x%08x)",
697                        ip6addr_string(ndo, obj_tptr+4),
698                        EXTRACT_32BITS(obj_tptr+4),
699                        ip6addr_string(ndo, obj_tptr+20),
700                        EXTRACT_32BITS(obj_tptr+20)));
701                 break;
702 
703 	    case LMP_CTYPE_UNMD:
704                 if (obj_tlen != 12) {
705                     ND_PRINT((ndo, " (not correct for object)"));
706                     break;
707                 }
708 		ND_PRINT((ndo, "\n\t    Flags: [%s]",
709 		    bittok2str(lmp_obj_te_link_flag_values,
710 			"none",
711 			EXTRACT_8BITS(obj_tptr))));
712 
713 		ND_PRINT((ndo, "\n\t    Local Link-ID: %u (0x%08x)"
714 		       "\n\t    Remote Link-ID: %u (0x%08x)",
715                        EXTRACT_32BITS(obj_tptr+4),
716                        EXTRACT_32BITS(obj_tptr+4),
717                        EXTRACT_32BITS(obj_tptr+8),
718                        EXTRACT_32BITS(obj_tptr+8)));
719 		break;
720 
721             default:
722                 hexdump=TRUE;
723             }
724             break;
725 
726         case LMP_OBJ_DATA_LINK:
727 	    switch(lmp_obj_ctype) {
728 	    case LMP_CTYPE_IPV4:
729                 if (obj_tlen < 12) {
730                     ND_PRINT((ndo, " (not correct for object)"));
731                     break;
732                 }
733 	        ND_PRINT((ndo, "\n\t    Flags: [%s]",
734 		    bittok2str(lmp_obj_data_link_flag_values,
735 			"none",
736 			EXTRACT_8BITS(obj_tptr))));
737                 ND_PRINT((ndo, "\n\t    Local Interface ID: %s (0x%08x)"
738                        "\n\t    Remote Interface ID: %s (0x%08x)",
739                        ipaddr_string(ndo, obj_tptr+4),
740                        EXTRACT_32BITS(obj_tptr+4),
741                        ipaddr_string(ndo, obj_tptr+8),
742                        EXTRACT_32BITS(obj_tptr+8)));
743 
744 		ret = lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12);
745 		if (ret == -1)
746 		    goto trunc;
747 		if (ret == TRUE)
748 		    hexdump=TRUE;
749 		break;
750 
751 	    case LMP_CTYPE_IPV6:
752                 if (obj_tlen < 36) {
753                     ND_PRINT((ndo, " (not correct for object)"));
754                     break;
755                 }
756 	        ND_PRINT((ndo, "\n\t    Flags: [%s]",
757 		    bittok2str(lmp_obj_data_link_flag_values,
758 			"none",
759 			EXTRACT_8BITS(obj_tptr))));
760                 ND_PRINT((ndo, "\n\t    Local Interface ID: %s (0x%08x)"
761                        "\n\t    Remote Interface ID: %s (0x%08x)",
762                        ip6addr_string(ndo, obj_tptr+4),
763                        EXTRACT_32BITS(obj_tptr+4),
764                        ip6addr_string(ndo, obj_tptr+20),
765                        EXTRACT_32BITS(obj_tptr+20)));
766 
767 		ret = lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 36, 36);
768 		if (ret == -1)
769 		    goto trunc;
770 		if (ret == TRUE)
771 		    hexdump=TRUE;
772 		break;
773 
774 	    case LMP_CTYPE_UNMD:
775                 if (obj_tlen < 12) {
776                     ND_PRINT((ndo, " (not correct for object)"));
777                     break;
778                 }
779 	        ND_PRINT((ndo, "\n\t    Flags: [%s]",
780 		    bittok2str(lmp_obj_data_link_flag_values,
781 			"none",
782 			EXTRACT_8BITS(obj_tptr))));
783                 ND_PRINT((ndo, "\n\t    Local Interface ID: %u (0x%08x)"
784                        "\n\t    Remote Interface ID: %u (0x%08x)",
785                        EXTRACT_32BITS(obj_tptr+4),
786                        EXTRACT_32BITS(obj_tptr+4),
787                        EXTRACT_32BITS(obj_tptr+8),
788                        EXTRACT_32BITS(obj_tptr+8)));
789 
790 		ret = lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12);
791 		if (ret == -1)
792 		    goto trunc;
793 		if (ret == TRUE)
794 		    hexdump=TRUE;
795 		break;
796 
797             default:
798                 hexdump=TRUE;
799             }
800             break;
801 
802         case LMP_OBJ_VERIFY_BEGIN:
803 	    switch(lmp_obj_ctype) {
804             case LMP_CTYPE_1:
805                 if (obj_tlen != 20) {
806                     ND_PRINT((ndo, " (not correct for object)"));
807                     break;
808                 }
809 		ND_PRINT((ndo, "\n\t    Flags: %s",
810 		bittok2str(lmp_obj_begin_verify_flag_values,
811 			"none",
812 			EXTRACT_16BITS(obj_tptr))));
813 		ND_PRINT((ndo, "\n\t    Verify Interval: %u",
814 			EXTRACT_16BITS(obj_tptr+2)));
815 		ND_PRINT((ndo, "\n\t    Data links: %u",
816 			EXTRACT_32BITS(obj_tptr+4)));
817                 ND_PRINT((ndo, "\n\t    Encoding type: %s",
818 			tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8))));
819                 ND_PRINT((ndo, "\n\t    Verify Transport Mechanism: %u (0x%x)%s",
820 			EXTRACT_16BITS(obj_tptr+10),
821 			EXTRACT_16BITS(obj_tptr+10),
822 			EXTRACT_16BITS(obj_tptr+10)&8000 ? " (Payload test messages capable)" : ""));
823                 bw.i = EXTRACT_32BITS(obj_tptr+12);
824 		ND_PRINT((ndo, "\n\t    Transmission Rate: %.3f Mbps",bw.f*8/1000000));
825 		ND_PRINT((ndo, "\n\t    Wavelength: %u",
826 			EXTRACT_32BITS(obj_tptr+16)));
827 		break;
828 
829             default:
830                 hexdump=TRUE;
831             }
832             break;
833 
834         case LMP_OBJ_VERIFY_BEGIN_ACK:
835 	    switch(lmp_obj_ctype) {
836             case LMP_CTYPE_1:
837                 if (obj_tlen != 4) {
838                     ND_PRINT((ndo, " (not correct for object)"));
839                     break;
840                 }
841                 ND_PRINT((ndo, "\n\t    Verify Dead Interval: %u"
842                        "\n\t    Verify Transport Response: %u",
843                        EXTRACT_16BITS(obj_tptr),
844                        EXTRACT_16BITS(obj_tptr+2)));
845                 break;
846 
847             default:
848                 hexdump=TRUE;
849             }
850             break;
851 
852 	case LMP_OBJ_VERIFY_ID:
853 	    switch(lmp_obj_ctype) {
854             case LMP_CTYPE_1:
855                 if (obj_tlen != 4) {
856                     ND_PRINT((ndo, " (not correct for object)"));
857                     break;
858                 }
859                 ND_PRINT((ndo, "\n\t    Verify ID: %u",
860                        EXTRACT_32BITS(obj_tptr)));
861                 break;
862 
863             default:
864                 hexdump=TRUE;
865             }
866             break;
867 
868 	case LMP_OBJ_CHANNEL_STATUS:
869             switch(lmp_obj_ctype) {
870 	    case LMP_CTYPE_IPV4:
871 		offset = 0;
872 		/* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
873 		while (offset+8 <= obj_tlen) {
874 			ND_PRINT((ndo, "\n\t    Interface ID: %s (0x%08x)",
875 			ipaddr_string(ndo, obj_tptr+offset),
876 			EXTRACT_32BITS(obj_tptr+offset)));
877 
878 			ND_PRINT((ndo, "\n\t\t    Active: %s (%u)",
879 				(EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
880 						"Allocated" : "Non-allocated",
881 				(EXTRACT_32BITS(obj_tptr+offset+4)>>31)));
882 
883 			ND_PRINT((ndo, "\n\t\t    Direction: %s (%u)",
884 				(EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
885 						"Transmit" : "Receive",
886 				(EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1));
887 
888 			ND_PRINT((ndo, "\n\t\t    Channel Status: %s (%u)",
889 					tok2str(lmp_obj_channel_status_values,
890 			 		"Unknown",
891 					EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
892 			EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF));
893 			offset+=8;
894 		}
895                 break;
896 
897 	    case LMP_CTYPE_IPV6:
898 		offset = 0;
899 		/* Decode pairs: <Interface_ID (16 bytes), Channel_status (4 bytes)> */
900 		while (offset+20 <= obj_tlen) {
901 			ND_PRINT((ndo, "\n\t    Interface ID: %s (0x%08x)",
902 			ip6addr_string(ndo, obj_tptr+offset),
903 			EXTRACT_32BITS(obj_tptr+offset)));
904 
905 			ND_PRINT((ndo, "\n\t\t    Active: %s (%u)",
906 				(EXTRACT_32BITS(obj_tptr+offset+16)>>31) ?
907 						"Allocated" : "Non-allocated",
908 				(EXTRACT_32BITS(obj_tptr+offset+16)>>31)));
909 
910 			ND_PRINT((ndo, "\n\t\t    Direction: %s (%u)",
911 				(EXTRACT_32BITS(obj_tptr+offset+16)>>30)&0x1 ?
912 						"Transmit" : "Receive",
913 				(EXTRACT_32BITS(obj_tptr+offset+16)>>30)&0x1));
914 
915 			ND_PRINT((ndo, "\n\t\t    Channel Status: %s (%u)",
916 					tok2str(lmp_obj_channel_status_values,
917 					"Unknown",
918 					EXTRACT_32BITS(obj_tptr+offset+16)&0x3FFFFFF),
919 			EXTRACT_32BITS(obj_tptr+offset+16)&0x3FFFFFF));
920 			offset+=20;
921 		}
922                 break;
923 
924 	    case LMP_CTYPE_UNMD:
925 		offset = 0;
926 		/* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
927 		while (offset+8 <= obj_tlen) {
928 			ND_PRINT((ndo, "\n\t    Interface ID: %u (0x%08x)",
929 			EXTRACT_32BITS(obj_tptr+offset),
930 			EXTRACT_32BITS(obj_tptr+offset)));
931 
932 			ND_PRINT((ndo, "\n\t\t    Active: %s (%u)",
933 				(EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
934 						"Allocated" : "Non-allocated",
935 				(EXTRACT_32BITS(obj_tptr+offset+4)>>31)));
936 
937 			ND_PRINT((ndo, "\n\t\t    Direction: %s (%u)",
938 				(EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
939 						"Transmit" : "Receive",
940 				(EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1));
941 
942 			ND_PRINT((ndo, "\n\t\t    Channel Status: %s (%u)",
943 					tok2str(lmp_obj_channel_status_values,
944 					"Unknown",
945 					EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
946 			EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF));
947 			offset+=8;
948 		}
949                 break;
950 
951             default:
952                 hexdump=TRUE;
953             }
954             break;
955 
956 	case LMP_OBJ_CHANNEL_STATUS_REQ:
957             switch(lmp_obj_ctype) {
958 	    case LMP_CTYPE_IPV4:
959 		offset = 0;
960 		while (offset+4 <= obj_tlen) {
961 			ND_PRINT((ndo, "\n\t    Interface ID: %s (0x%08x)",
962 			ipaddr_string(ndo, obj_tptr+offset),
963 			EXTRACT_32BITS(obj_tptr+offset)));
964 			offset+=4;
965 		}
966                 break;
967 
968 	    case LMP_CTYPE_IPV6:
969 		offset = 0;
970 		while (offset+16 <= obj_tlen) {
971 			ND_PRINT((ndo, "\n\t    Interface ID: %s (0x%08x)",
972 			ip6addr_string(ndo, obj_tptr+offset),
973 			EXTRACT_32BITS(obj_tptr+offset)));
974 			offset+=16;
975 		}
976                 break;
977 
978 	    case LMP_CTYPE_UNMD:
979 		offset = 0;
980 		while (offset+4 <= obj_tlen) {
981 			ND_PRINT((ndo, "\n\t    Interface ID: %u (0x%08x)",
982 			EXTRACT_32BITS(obj_tptr+offset),
983 			EXTRACT_32BITS(obj_tptr+offset)));
984 			offset+=4;
985 		}
986                 break;
987 
988 	    default:
989                 hexdump=TRUE;
990             }
991             break;
992 
993         case LMP_OBJ_ERROR_CODE:
994 	    switch(lmp_obj_ctype) {
995             case LMP_CTYPE_BEGIN_VERIFY_ERROR:
996                 if (obj_tlen != 4) {
997                     ND_PRINT((ndo, " (not correct for object)"));
998                     break;
999                 }
1000 		ND_PRINT((ndo, "\n\t    Error Code: %s",
1001 		bittok2str(lmp_obj_begin_verify_error_values,
1002 			"none",
1003 			EXTRACT_32BITS(obj_tptr))));
1004                 break;
1005 
1006             case LMP_CTYPE_LINK_SUMMARY_ERROR:
1007                 if (obj_tlen != 4) {
1008                     ND_PRINT((ndo, " (not correct for object)"));
1009                     break;
1010                 }
1011 		ND_PRINT((ndo, "\n\t    Error Code: %s",
1012 		bittok2str(lmp_obj_link_summary_error_values,
1013 			"none",
1014 			EXTRACT_32BITS(obj_tptr))));
1015                 break;
1016             default:
1017                 hexdump=TRUE;
1018             }
1019             break;
1020 
1021 	case LMP_OBJ_SERVICE_CONFIG:
1022 	    switch (lmp_obj_ctype) {
1023 	    case LMP_CTYPE_SERVICE_CONFIG_SP:
1024                 if (obj_tlen != 4) {
1025                     ND_PRINT((ndo, " (not correct for object)"));
1026                     break;
1027                 }
1028 		ND_PRINT((ndo, "\n\t Flags: %s",
1029 		       bittok2str(lmp_obj_service_config_sp_flag_values,
1030 				  "none",
1031 				  EXTRACT_8BITS(obj_tptr))));
1032 
1033 		ND_PRINT((ndo, "\n\t  UNI Version: %u",
1034 		       EXTRACT_8BITS(obj_tptr + 1)));
1035 
1036 		break;
1037 
1038             case LMP_CTYPE_SERVICE_CONFIG_CPSA:
1039                 if (obj_tlen != 16) {
1040                     ND_PRINT((ndo, " (not correct for object)"));
1041                     break;
1042                 }
1043 
1044 		link_type = EXTRACT_8BITS(obj_tptr);
1045 
1046 		ND_PRINT((ndo, "\n\t Link Type: %s (%u)",
1047 		       tok2str(lmp_sd_service_config_cpsa_link_type_values,
1048 			       "Unknown", link_type),
1049 		       link_type));
1050 
1051 		switch (link_type) {
1052 		case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH:
1053 		    ND_PRINT((ndo, "\n\t Signal Type: %s (%u)",
1054 			   tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values,
1055 				   "Unknown",
1056 				   EXTRACT_8BITS(obj_tptr + 1)),
1057 				   EXTRACT_8BITS(obj_tptr + 1)));
1058 		    break;
1059 
1060 		case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET:
1061 		    ND_PRINT((ndo, "\n\t Signal Type: %s (%u)",
1062 			   tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values,
1063 				   "Unknown",
1064 				   EXTRACT_8BITS(obj_tptr + 1)),
1065 				   EXTRACT_8BITS(obj_tptr + 1)));
1066 		    break;
1067 		}
1068 
1069 		ND_PRINT((ndo, "\n\t Transparency: %s",
1070 		       bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
1071 				  "none",
1072 				  EXTRACT_8BITS(obj_tptr + 2))));
1073 
1074 		ND_PRINT((ndo, "\n\t Contiguous Concatenation Types: %s",
1075 		       bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
1076 				  "none",
1077 				  EXTRACT_8BITS(obj_tptr + 3))));
1078 
1079 		ND_PRINT((ndo, "\n\t Minimum NCC: %u",
1080 		       EXTRACT_16BITS(obj_tptr+4)));
1081 
1082 		ND_PRINT((ndo, "\n\t Maximum NCC: %u",
1083 		       EXTRACT_16BITS(obj_tptr+6)));
1084 
1085 		ND_PRINT((ndo, "\n\t Minimum NVC:%u",
1086 		       EXTRACT_16BITS(obj_tptr+8)));
1087 
1088 		ND_PRINT((ndo, "\n\t Maximum NVC:%u",
1089 		       EXTRACT_16BITS(obj_tptr+10)));
1090 
1091 		ND_PRINT((ndo, "\n\t    Local Interface ID: %s (0x%08x)",
1092 		       ipaddr_string(ndo, obj_tptr+12),
1093 		       EXTRACT_32BITS(obj_tptr+12)));
1094 
1095 		break;
1096 
1097 	    case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
1098                 if (obj_tlen != 8) {
1099                     ND_PRINT((ndo, " (not correct for object)"));
1100                     break;
1101                 }
1102 
1103 		ND_PRINT((ndo, "\n\t Transparency Flags: %s",
1104 		       bittok2str(
1105 			   lmp_obj_service_config_nsa_transparency_flag_values,
1106 			   "none",
1107 			   EXTRACT_32BITS(obj_tptr))));
1108 
1109 		ND_PRINT((ndo, "\n\t TCM Monitoring Flags: %s",
1110 		       bittok2str(
1111 			   lmp_obj_service_config_nsa_tcm_flag_values,
1112 			   "none",
1113 			   EXTRACT_8BITS(obj_tptr + 7))));
1114 
1115 		break;
1116 
1117 	    case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
1118                 if (obj_tlen != 4) {
1119                     ND_PRINT((ndo, " (not correct for object)"));
1120                     break;
1121                 }
1122 
1123 		ND_PRINT((ndo, "\n\t Diversity: Flags: %s",
1124 		       bittok2str(
1125 			   lmp_obj_service_config_nsa_network_diversity_flag_values,
1126 			   "none",
1127 			   EXTRACT_8BITS(obj_tptr + 3))));
1128 		break;
1129 
1130 	    default:
1131 		hexdump = TRUE;
1132 	    }
1133 
1134 	break;
1135 
1136         default:
1137             if (ndo->ndo_vflag <= 1)
1138                 print_unknown_data(ndo,obj_tptr,"\n\t    ",obj_tlen);
1139             break;
1140         }
1141         /* do we want to see an additionally hexdump ? */
1142         if (ndo->ndo_vflag > 1 || hexdump==TRUE)
1143             print_unknown_data(ndo,tptr+sizeof(struct lmp_object_header),"\n\t    ",
1144                                lmp_obj_len-sizeof(struct lmp_object_header));
1145 
1146         tptr+=lmp_obj_len;
1147         tlen-=lmp_obj_len;
1148     }
1149     return;
1150 trunc:
1151     ND_PRINT((ndo, "%s", tstr));
1152 }
1153 /*
1154  * Local Variables:
1155  * c-style: whitesmith
1156  * c-basic-offset: 8
1157  * End:
1158  */
1159