print-lmp.c

   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 /*
  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     uint8_t version_res[2];
  48     uint8_t flags;
  49     uint8_t msg_type;
  50     uint8_t length[2];
  51     uint8_t reserved[2];
  52 };
  53
  54 #define LMP_VERSION            1
  55 #define LMP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
  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     uint8_t ctype;
 218     uint8_t class_num;
 219     uint8_t length[2];
 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
 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 = EXTRACT_8BITS(obj_tptr+offset);
 371         subobj_len  = EXTRACT_8BITS(obj_tptr+offset+1);
 372         ND_PRINT((ndo, "\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((ndo, " (too short)"));
 380             break;
 381         }
 382         if ((subobj_len % 4) != 0) {
 383             ND_PRINT((ndo, " (not a multiple of 4)"));
 384             break;
 385         }
 386         if (total_subobj_len < subobj_len) {
 387             ND_PRINT((ndo, " (goes past the end of the object)"));
 388             break;
 389         }
 390         switch(subobj_type) {
 391         case INT_SWITCHING_TYPE_SUBOBJ:
 392             ND_PRINT((ndo, "\n\t      Switching Type: %s (%u)",
 393                 tok2str(gmpls_switch_cap_values,
 394                         "Unknown",
 395                         EXTRACT_8BITS(obj_tptr+offset+2)),
 396                 EXTRACT_8BITS(obj_tptr+offset+2)));
 397             ND_PRINT((ndo, "\n\t      Encoding Type: %s (%u)",
 398                 tok2str(gmpls_encoding_values,
 399                         "Unknown",
 400                         EXTRACT_8BITS(obj_tptr+offset+3)),
 401                 EXTRACT_8BITS(obj_tptr+offset+3)));
 402             bw.i = EXTRACT_32BITS(obj_tptr+offset+4);
 403             ND_PRINT((ndo, "\n\t      Min Reservable Bandwidth: %.3f Mbps",
 404                 bw.f*8/1000000));
 405             bw.i = EXTRACT_32BITS(obj_tptr+offset+8);
 406             ND_PRINT((ndo, "\n\t      Max Reservable Bandwidth: %.3f Mbps",
 407                 bw.f*8/1000000));
 408             break;
 409         case WAVELENGTH_SUBOBJ:
 410             ND_PRINT((ndo, "\n\t      Wavelength: %u",
 411                 EXTRACT_32BITS(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
 425 lmp_print(netdissect_options *ndo,
 426           register const u_char *pptr, register u_int len)
 427 {
 428     const struct lmp_common_header *lmp_com_header;
 429     const struct lmp_object_header *lmp_obj_header;
 430     const u_char *tptr,*obj_tptr;
 431     u_int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen;
 432     int hexdump;
 433     u_int offset;
 434     u_int link_type;
 435
 436     union { /* int to float conversion buffer */
 437         float f;
 438         uint32_t i;
 439     } bw;
 440
 441     tptr=pptr;
 442     lmp_com_header = (const struct lmp_common_header *)pptr;
 443     ND_TCHECK(*lmp_com_header);
 444
 445     /*
 446      * Sanity checking of the header.
 447      */
 448     if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) {
 449         ND_PRINT((ndo, "LMP version %u packet not supported",
 450                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0])));
 451         return;
 452     }
 453
 454     /* in non-verbose mode just lets print the basic Message Type*/
 455     if (ndo->ndo_vflag < 1) {
 456         ND_PRINT((ndo, "LMPv%u %s Message, length: %u",
 457                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
 458                tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type),
 459                len));
 460         return;
 461     }
 462
 463     /* ok they seem to want to know everything - lets fully decode it */
 464
 465     tlen=EXTRACT_16BITS(lmp_com_header->length);
 466
 467     ND_PRINT((ndo, "\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
 468            LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
 469            tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type),
 470            bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags),
 471            tlen));
 472     if (tlen < sizeof(const struct lmp_common_header)) {
 473         ND_PRINT((ndo, " (too short)"));
 474         return;
 475     }
 476     if (tlen > len) {
 477         ND_PRINT((ndo, " (too long)"));
 478         tlen = len;
 479     }
 480
 481     tptr+=sizeof(const struct lmp_common_header);
 482     tlen-=sizeof(const struct lmp_common_header);
 483
 484     while(tlen>0) {
 485         /* did we capture enough for fully decoding the object header ? */
 486         ND_TCHECK2(*tptr, sizeof(struct lmp_object_header));
 487
 488         lmp_obj_header = (const struct lmp_object_header *)tptr;
 489         lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length);
 490         lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f;
 491
 492         ND_PRINT((ndo, "\n\t  %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
 493                tok2str(lmp_obj_values,
 494                        "Unknown",
 495                        lmp_obj_header->class_num),
 496                lmp_obj_header->class_num,
 497                tok2str(lmp_ctype_values,
 498                        "Unknown",
 499                        ((lmp_obj_header->class_num)<<8)+lmp_obj_ctype),
 500                lmp_obj_ctype,
 501                (lmp_obj_header->ctype)&0x80 ? "" : "non-",
 502                lmp_obj_len));
 503
 504         if (lmp_obj_len < 4) {
 505             ND_PRINT((ndo, " (too short)"));
 506             return;
 507         }
 508         if ((lmp_obj_len % 4) != 0) {
 509             ND_PRINT((ndo, " (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_TCHECK2(*tptr, lmp_obj_len);
 518         hexdump=FALSE;
 519
 520         switch(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((ndo, " (not correct for object)"));
 528                     break;
 529                 }
 530                 ND_PRINT((ndo, "\n\t    Control Channel ID: %u (0x%08x)",
 531                        EXTRACT_32BITS(obj_tptr),
 532                        EXTRACT_32BITS(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((ndo, " (not correct for object)"));
 547                     break;
 548                 }
 549                 ND_PRINT((ndo, "\n\t    IPv4 Link ID: %s (0x%08x)",
 550                        ipaddr_string(ndo, obj_tptr),
 551                        EXTRACT_32BITS(obj_tptr)));
 552                 break;
 553             case LMP_CTYPE_IPV6_LOC:
 554             case LMP_CTYPE_IPV6_RMT:
 555                 if (obj_tlen != 16) {
 556                     ND_PRINT((ndo, " (not correct for object)"));
 557                     break;
 558                 }
 559                 ND_PRINT((ndo, "\n\t    IPv6 Link ID: %s (0x%08x)",
 560                        ip6addr_string(ndo, obj_tptr),
 561                        EXTRACT_32BITS(obj_tptr)));
 562                 break;
 563             case LMP_CTYPE_UNMD_LOC:
 564             case LMP_CTYPE_UNMD_RMT:
 565                 if (obj_tlen != 4) {
 566                     ND_PRINT((ndo, " (not correct for object)"));
 567                     break;
 568                 }
 569                 ND_PRINT((ndo, "\n\t    Link ID: %u (0x%08x)",
 570                        EXTRACT_32BITS(obj_tptr),
 571                        EXTRACT_32BITS(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((ndo, " (not correct for object)"));
 583                     break;
 584                 }
 585                 ND_PRINT((ndo, "\n\t    Message ID: %u (0x%08x)",
 586                        EXTRACT_32BITS(obj_tptr),
 587                        EXTRACT_32BITS(obj_tptr)));
 588                 break;
 589             case LMP_CTYPE_2:
 590                 if (obj_tlen != 4) {
 591                     ND_PRINT((ndo, " (not correct for object)"));
 592                     break;
 593                 }
 594                 ND_PRINT((ndo, "\n\t    Message ID Ack: %u (0x%08x)",
 595                        EXTRACT_32BITS(obj_tptr),
 596                        EXTRACT_32BITS(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((ndo, " (not correct for object)"));
 609                     break;
 610                 }
 611                 ND_PRINT((ndo, "\n\t    Node ID: %s (0x%08x)",
 612                        ipaddr_string(ndo, obj_tptr),
 613                        EXTRACT_32BITS(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((ndo, " (not correct for object)"));
 626                     break;
 627                 }
 628                 ND_PRINT((ndo, "\n\t    Hello Interval: %u\n\t    Hello Dead Interval: %u",
 629                        EXTRACT_16BITS(obj_tptr),
 630                        EXTRACT_16BITS(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((ndo, " (not correct for object)"));
 643                     break;
 644                 }
 645                 ND_PRINT((ndo, "\n\t    Tx Seq: %u, Rx Seq: %u",
 646                        EXTRACT_32BITS(obj_tptr),
 647                        EXTRACT_32BITS(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((ndo, " (not correct for object)"));
 660                     break;
 661                 }
 662                 ND_PRINT((ndo, "\n\t    Flags: [%s]",
 663                     bittok2str(lmp_obj_te_link_flag_values,
 664                         "none",
 665                         EXTRACT_8BITS(obj_tptr))));
 666
 667                 ND_PRINT((ndo, "\n\t    Local Link-ID: %s (0x%08x)"
 668                        "\n\t    Remote Link-ID: %s (0x%08x)",
 669                        ipaddr_string(ndo, obj_tptr+4),
 670                        EXTRACT_32BITS(obj_tptr+4),
 671                        ipaddr_string(ndo, obj_tptr+8),
 672                        EXTRACT_32BITS(obj_tptr+8)));
 673                 break;
 674
 675             case LMP_CTYPE_IPV6:
 676                 if (obj_tlen != 36) {
 677                     ND_PRINT((ndo, " (not correct for object)"));
 678                     break;
 679                 }
 680                 ND_PRINT((ndo, "\n\t    Flags: [%s]",
 681                     bittok2str(lmp_obj_te_link_flag_values,
 682                         "none",
 683                         EXTRACT_8BITS(obj_tptr))));
 684
 685                 ND_PRINT((ndo, "\n\t    Local Link-ID: %s (0x%08x)"
 686                        "\n\t    Remote Link-ID: %s (0x%08x)",
 687                        ip6addr_string(ndo, obj_tptr+4),
 688                        EXTRACT_32BITS(obj_tptr+4),
 689                        ip6addr_string(ndo, obj_tptr+20),
 690                        EXTRACT_32BITS(obj_tptr+20)));
 691                 break;
 692
 693             case LMP_CTYPE_UNMD:
 694                 if (obj_tlen != 12) {
 695                     ND_PRINT((ndo, " (not correct for object)"));
 696                     break;
 697                 }
 698                 ND_PRINT((ndo, "\n\t    Flags: [%s]",
 699                     bittok2str(lmp_obj_te_link_flag_values,
 700                         "none",
 701                         EXTRACT_8BITS(obj_tptr))));
 702
 703                 ND_PRINT((ndo, "\n\t    Local Link-ID: %u (0x%08x)"
 704                        "\n\t    Remote Link-ID: %u (0x%08x)",
 705                        EXTRACT_32BITS(obj_tptr+4),
 706                        EXTRACT_32BITS(obj_tptr+4),
 707                        EXTRACT_32BITS(obj_tptr+8),
 708                        EXTRACT_32BITS(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((ndo, " (not correct for object)"));
 721                     break;
 722                 }
 723                 ND_PRINT((ndo, "\n\t    Flags: [%s]",
 724                     bittok2str(lmp_obj_data_link_flag_values,
 725                         "none",
 726                         EXTRACT_8BITS(obj_tptr))));
 727                 ND_PRINT((ndo, "\n\t    Local Interface ID: %s (0x%08x)"
 728                        "\n\t    Remote Interface ID: %s (0x%08x)",
 729                        ipaddr_string(ndo, obj_tptr+4),
 730                        EXTRACT_32BITS(obj_tptr+4),
 731                        ipaddr_string(ndo, obj_tptr+8),
 732                        EXTRACT_32BITS(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((ndo, " (not correct for object)"));
 741                     break;
 742                 }
 743                 ND_PRINT((ndo, "\n\t    Flags: [%s]",
 744                     bittok2str(lmp_obj_data_link_flag_values,
 745                         "none",
 746                         EXTRACT_8BITS(obj_tptr))));
 747                 ND_PRINT((ndo, "\n\t    Local Interface ID: %s (0x%08x)"
 748                        "\n\t    Remote Interface ID: %s (0x%08x)",
 749                        ip6addr_string(ndo, obj_tptr+4),
 750                        EXTRACT_32BITS(obj_tptr+4),
 751                        ip6addr_string(ndo, obj_tptr+20),
 752                        EXTRACT_32BITS(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((ndo, " (not correct for object)"));
 761                     break;
 762                 }
 763                 ND_PRINT((ndo, "\n\t    Flags: [%s]",
 764                     bittok2str(lmp_obj_data_link_flag_values,
 765                         "none",
 766                         EXTRACT_8BITS(obj_tptr))));
 767                 ND_PRINT((ndo, "\n\t    Local Interface ID: %u (0x%08x)"
 768                        "\n\t    Remote Interface ID: %u (0x%08x)",
 769                        EXTRACT_32BITS(obj_tptr+4),
 770                        EXTRACT_32BITS(obj_tptr+4),
 771                        EXTRACT_32BITS(obj_tptr+8),
 772                        EXTRACT_32BITS(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((ndo, " (not correct for object)"));
 788                     break;
 789                 }
 790                 ND_PRINT((ndo, "\n\t    Flags: %s",
 791                 bittok2str(lmp_obj_begin_verify_flag_values,
 792                         "none",
 793                         EXTRACT_16BITS(obj_tptr))));
 794                 ND_PRINT((ndo, "\n\t    Verify Interval: %u",
 795                         EXTRACT_16BITS(obj_tptr+2)));
 796                 ND_PRINT((ndo, "\n\t    Data links: %u",
 797                         EXTRACT_32BITS(obj_tptr+4)));
 798                 ND_PRINT((ndo, "\n\t    Encoding type: %s",
 799                         tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8))));
 800                 ND_PRINT((ndo, "\n\t    Verify Transport Mechanism: %u (0x%x)%s",
 801                         EXTRACT_16BITS(obj_tptr+10),
 802                         EXTRACT_16BITS(obj_tptr+10),
 803                         EXTRACT_16BITS(obj_tptr+10)&8000 ? " (Payload test messages capable)" : ""));
 804                 bw.i = EXTRACT_32BITS(obj_tptr+12);
 805                 ND_PRINT((ndo, "\n\t    Transmission Rate: %.3f Mbps",bw.f*8/1000000));
 806                 ND_PRINT((ndo, "\n\t    Wavelength: %u",
 807                         EXTRACT_32BITS(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((ndo, " (not correct for object)"));
 820                     break;
 821                 }
 822                 ND_PRINT((ndo, "\n\t    Verify Dead Interval: %u"
 823                        "\n\t    Verify Transport Response: %u",
 824                        EXTRACT_16BITS(obj_tptr),
 825                        EXTRACT_16BITS(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((ndo, " (not correct for object)"));
 838                     break;
 839                 }
 840                 ND_PRINT((ndo, "\n\t    Verify ID: %u",
 841                        EXTRACT_32BITS(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((ndo, "\n\t    Interface ID: %s (0x%08x)",
 856                         ipaddr_string(ndo, obj_tptr+offset),
 857                         EXTRACT_32BITS(obj_tptr+offset)));
 858
 859                         ND_PRINT((ndo, "\n\t\t    Active: %s (%u)",
 860                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
 861                                                 "Allocated" : "Non-allocated",
 862                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>31)));
 863
 864                         ND_PRINT((ndo, "\n\t\t    Direction: %s (%u)",
 865                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
 866                                                 "Transmit" : "Receive",
 867                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1));
 868
 869                         ND_PRINT((ndo, "\n\t\t    Channel Status: %s (%u)",
 870                                         tok2str(lmp_obj_channel_status_values,
 871                                         "Unknown",
 872                                         EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
 873                         EXTRACT_32BITS(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((ndo, "\n\t    Interface ID: %s (0x%08x)",
 883                         ip6addr_string(ndo, obj_tptr+offset),
 884                         EXTRACT_32BITS(obj_tptr+offset)));
 885
 886                         ND_PRINT((ndo, "\n\t\t    Active: %s (%u)",
 887                                 (EXTRACT_32BITS(obj_tptr+offset+16)>>31) ?
 888                                                 "Allocated" : "Non-allocated",
 889                                 (EXTRACT_32BITS(obj_tptr+offset+16)>>31)));
 890
 891                         ND_PRINT((ndo, "\n\t\t    Direction: %s (%u)",
 892                                 (EXTRACT_32BITS(obj_tptr+offset+16)>>30)&0x1 ?
 893                                                 "Transmit" : "Receive",
 894                                 (EXTRACT_32BITS(obj_tptr+offset+16)>>30)&0x1));
 895
 896                         ND_PRINT((ndo, "\n\t\t    Channel Status: %s (%u)",
 897                                         tok2str(lmp_obj_channel_status_values,
 898                                         "Unknown",
 899                                         EXTRACT_32BITS(obj_tptr+offset+16)&0x3FFFFFF),
 900                         EXTRACT_32BITS(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((ndo, "\n\t    Interface ID: %u (0x%08x)",
 910                         EXTRACT_32BITS(obj_tptr+offset),
 911                         EXTRACT_32BITS(obj_tptr+offset)));
 912
 913                         ND_PRINT((ndo, "\n\t\t    Active: %s (%u)",
 914                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
 915                                                 "Allocated" : "Non-allocated",
 916                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>31)));
 917
 918                         ND_PRINT((ndo, "\n\t\t    Direction: %s (%u)",
 919                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
 920                                                 "Transmit" : "Receive",
 921                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1));
 922
 923                         ND_PRINT((ndo, "\n\t\t    Channel Status: %s (%u)",
 924                                         tok2str(lmp_obj_channel_status_values,
 925                                         "Unknown",
 926                                         EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
 927                         EXTRACT_32BITS(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((ndo, "\n\t    Interface ID: %s (0x%08x)",
 943                         ipaddr_string(ndo, obj_tptr+offset),
 944                         EXTRACT_32BITS(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((ndo, "\n\t    Interface ID: %s (0x%08x)",
 953                         ip6addr_string(ndo, obj_tptr+offset),
 954                         EXTRACT_32BITS(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((ndo, "\n\t    Interface ID: %u (0x%08x)",
 963                         EXTRACT_32BITS(obj_tptr+offset),
 964                         EXTRACT_32BITS(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((ndo, " (not correct for object)"));
 979                     break;
 980                 }
 981                 ND_PRINT((ndo, "\n\t    Error Code: %s",
 982                 bittok2str(lmp_obj_begin_verify_error_values,
 983                         "none",
 984                         EXTRACT_32BITS(obj_tptr))));
 985                 break;
 986
 987             case LMP_CTYPE_LINK_SUMMARY_ERROR:
 988                 if (obj_tlen != 4) {
 989                     ND_PRINT((ndo, " (not correct for object)"));
 990                     break;
 991                 }
 992                 ND_PRINT((ndo, "\n\t    Error Code: %s",
 993                 bittok2str(lmp_obj_link_summary_error_values,
 994                         "none",
 995                         EXTRACT_32BITS(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((ndo, " (not correct for object)"));
1007                     break;
1008                 }
1009                 ND_PRINT((ndo, "\n\t Flags: %s",
1010                        bittok2str(lmp_obj_service_config_sp_flag_values,
1011                                   "none",
1012                                   EXTRACT_8BITS(obj_tptr))));
1013
1014                 ND_PRINT((ndo, "\n\t  UNI Version: %u",
1015                        EXTRACT_8BITS(obj_tptr+1)));
1016
1017                 break;
1018
1019             case LMP_CTYPE_SERVICE_CONFIG_CPSA:
1020                 if (obj_tlen != 16) {
1021                     ND_PRINT((ndo, " (not correct for object)"));
1022                     break;
1023                 }
1024
1025                 link_type = EXTRACT_8BITS(obj_tptr);
1026
1027                 ND_PRINT((ndo, "\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((ndo, "\n\t Signal Type: %s (%u)",
1035                            tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values,
1036                                    "Unknown",
1037                                    EXTRACT_8BITS(obj_tptr+1)),
1038                            EXTRACT_8BITS(obj_tptr+1)));
1039                     break;
1040
1041                 case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET:
1042                     ND_PRINT((ndo, "\n\t Signal Type: %s (%u)",
1043                            tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values,
1044                                    "Unknown",
1045                                    EXTRACT_8BITS(obj_tptr+1)),
1046                            EXTRACT_8BITS(obj_tptr+1)));
1047                     break;
1048                 }
1049
1050                 ND_PRINT((ndo, "\n\t Transparency: %s",
1051                        bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
1052                                   "none",
1053                                   EXTRACT_8BITS(obj_tptr+2))));
1054
1055                 ND_PRINT((ndo, "\n\t Contiguous Concatenation Types: %s",
1056                        bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
1057                                   "none",
1058                                   EXTRACT_8BITS(obj_tptr+3))));
1059
1060                 ND_PRINT((ndo, "\n\t Minimum NCC: %u",
1061                        EXTRACT_16BITS(obj_tptr+4)));
1062
1063                 ND_PRINT((ndo, "\n\t Maximum NCC: %u",
1064                        EXTRACT_16BITS(obj_tptr+6)));
1065
1066                 ND_PRINT((ndo, "\n\t Minimum NVC:%u",
1067                        EXTRACT_16BITS(obj_tptr+8)));
1068
1069                 ND_PRINT((ndo, "\n\t Maximum NVC:%u",
1070                        EXTRACT_16BITS(obj_tptr+10)));
1071
1072                 ND_PRINT((ndo, "\n\t    Local Interface ID: %s (0x%08x)",
1073                        ipaddr_string(ndo, obj_tptr+12),
1074                        EXTRACT_32BITS(obj_tptr+12)));
1075
1076                 break;
1077
1078             case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
1079                 if (obj_tlen != 8) {
1080                     ND_PRINT((ndo, " (not correct for object)"));
1081                     break;
1082                 }
1083
1084                 ND_PRINT((ndo, "\n\t Transparency Flags: %s",
1085                        bittok2str(
1086                            lmp_obj_service_config_nsa_transparency_flag_values,
1087                            "none",
1088                            EXTRACT_32BITS(obj_tptr))));
1089
1090                 ND_PRINT((ndo, "\n\t TCM Monitoring Flags: %s",
1091                        bittok2str(
1092                            lmp_obj_service_config_nsa_tcm_flag_values,
1093                            "none",
1094                            EXTRACT_8BITS(obj_tptr+7))));
1095
1096                 break;
1097
1098             case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
1099                 if (obj_tlen != 4) {
1100                     ND_PRINT((ndo, " (not correct for object)"));
1101                     break;
1102                 }
1103
1104                 ND_PRINT((ndo, "\n\t Diversity: Flags: %s",
1105                        bittok2str(
1106                            lmp_obj_service_config_nsa_network_diversity_flag_values,
1107                            "none",
1108                            EXTRACT_8BITS(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         tptr+=lmp_obj_len;
1128         tlen-=lmp_obj_len;
1129     }
1130     return;
1131 trunc:
1132     ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
1133 }
1134 /*
1135  * Local Variables:
1136  * c-style: whitesmith
1137  * c-basic-offset: 8
1138  * End:
1139  */