external/bsd/tcpdump/dist/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  * Support for the Link Management Protocol as per rfc 4204.
  14  *
  15  * Original code by Hannes Gredler (hannes@juniper.net)
  16  * Support for LMP service discovery extensions (defined by UNI 1.0) added
  17  * by Manu Pathak (mapathak@cisco.com), May 2005
  18  */
  19
  20 #include <sys/cdefs.h>
  21 #ifndef lint
  22 __RCSID("$NetBSD: print-lmp.c,v 1.7 2015/03/31 21:59:35 christos Exp $");
  23 #endif
  24
  25 #define NETDISSECT_REWORKED
  26 #ifdef HAVE_CONFIG_H
  27 #include "config.h"
  28 #endif
  29
  30 #include <tcpdump-stdinc.h>
  31
  32 #include "interface.h"
  33 #include "extract.h"
  34 #include "addrtoname.h"
  35 #include "gmpls.h"
  36
  37 /*
  38  * LMP common header
  39  *
  40  *  0                   1                   2                   3
  41  *  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
  42  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  43  * | Vers  |      (Reserved)       |    Flags      |    Msg Type   |
  44  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  45  * |          LMP Length           |          (Reserved)           |
  46  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  47  */
  48
  49 struct lmp_common_header {
  50     uint8_t version_res[2];
  51     uint8_t flags;
  52     uint8_t msg_type;
  53     uint8_t length[2];
  54     uint8_t reserved[2];
  55 };
  56
  57 #define LMP_VERSION            1
  58 #define LMP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
  59
  60 static const struct tok lmp_header_flag_values[] = {
  61     { 0x01, "Control Channel Down"},
  62     { 0x02, "LMP restart"},
  63     { 0, NULL}
  64 };
  65
  66 static const struct tok lmp_obj_te_link_flag_values[] = {
  67     { 0x01, "Fault Management Supported"},
  68     { 0x02, "Link Verification Supported"},
  69     { 0, NULL}
  70 };
  71
  72 static const struct tok lmp_obj_data_link_flag_values[] = {
  73     { 0x01, "Data Link Port"},
  74     { 0x02, "Allocated for user traffic"},
  75     { 0x04, "Failed link"},
  76     { 0, NULL}
  77 };
  78
  79 static const struct tok lmp_obj_channel_status_values[] = {
  80     { 1, "Signal Okay"},
  81     { 2, "Signal Degraded"},
  82     { 3, "Signal Fail"},
  83     { 0, NULL}
  84 };
  85
  86 static const struct tok lmp_obj_begin_verify_flag_values[] = {
  87     { 0x0001, "Verify all links"},
  88     { 0x0002, "Data link type"},
  89     { 0, NULL}
  90 };
  91
  92 static const struct tok lmp_obj_begin_verify_error_values[] = {
  93     { 0x01, "Link Verification Procedure Not supported"},
  94     { 0x02, "Unwilling to verify"},
  95     { 0x04, "Unsupported verification transport mechanism"},
  96     { 0x08, "Link-Id configuration error"},
  97     { 0x10, "Unknown object c-type"},
  98     { 0, NULL}
  99 };
 100
 101 static const struct tok lmp_obj_link_summary_error_values[] = {
 102     { 0x01, "Unacceptable non-negotiable LINK-SUMMARY parameters"},
 103     { 0x02, "Renegotiate LINK-SUMMARY parameters"},
 104     { 0x04, "Invalid TE-LINK Object"},
 105     { 0x08, "Invalid DATA-LINK Object"},
 106     { 0x10, "Unknown TE-LINK Object c-type"},
 107     { 0x20, "Unknown DATA-LINK Object c-type"},
 108     { 0, NULL}
 109 };
 110
 111 /* Service Config Supported Protocols Flags */
 112 static const struct tok lmp_obj_service_config_sp_flag_values[] = {
 113     { 0x01, "RSVP Supported"},
 114     { 0x02, "LDP Supported"},
 115     { 0, NULL}
 116 };
 117
 118 /* Service Config Client Port Service Attribute Transparency Flags */
 119 static const struct tok lmp_obj_service_config_cpsa_tp_flag_values[] = {
 120     { 0x01, "Path/VC Overhead Transparency Supported"},
 121     { 0x02, "Line/MS Overhead Transparency Supported"},
 122     { 0x04, "Section/RS Overhead Transparency Supported"},
 123     { 0, NULL}
 124 };
 125
 126 /* Service Config Client Port Service Attribute Contiguous Concatenation Types Flags */
 127 static const struct tok lmp_obj_service_config_cpsa_cct_flag_values[] = {
 128     { 0x01, "Contiguous Concatenation Types Supported"},
 129     { 0, NULL}
 130 };
 131
 132 /* Service Config Network Service Attributes Transparency Flags */
 133 static const struct tok lmp_obj_service_config_nsa_transparency_flag_values[] = {
 134     { 0x01, "Standard SOH/RSOH Transparency Supported"},
 135     { 0x02, "Standard LOH/MSOH Transparency Supported"},
 136     { 0, NULL}
 137 };
 138
 139 /* Service Config Network Service Attributes TCM Monitoring Flags */
 140 static const struct tok lmp_obj_service_config_nsa_tcm_flag_values[] = {
 141     { 0x01, "Transparent Tandem Connection Monitoring Supported"},
 142     { 0, NULL}
 143 };
 144
 145 /* Network Service Attributes Network Diversity Flags */
 146 static const struct tok lmp_obj_service_config_nsa_network_diversity_flag_values[] = {
 147     { 0x01, "Node Diversity Supported"},
 148     { 0x02, "Link Diversity Supported"},
 149     { 0x04, "SRLG Diversity Supported"},
 150     { 0, NULL}
 151 };
 152
 153 #define LMP_MSGTYPE_CONFIG                 1
 154 #define LMP_MSGTYPE_CONFIG_ACK             2
 155 #define LMP_MSGTYPE_CONFIG_NACK            3
 156 #define LMP_MSGTYPE_HELLO                  4
 157 #define LMP_MSGTYPE_VERIFY_BEGIN           5
 158 #define LMP_MSGTYPE_VERIFY_BEGIN_ACK       6
 159 #define LMP_MSGTYPE_VERIFY_BEGIN_NACK      7
 160 #define LMP_MSGTYPE_VERIFY_END             8
 161 #define LMP_MSGTYPE_VERIFY_END_ACK         9
 162 #define LMP_MSGTYPE_TEST                  10
 163 #define LMP_MSGTYPE_TEST_STATUS_SUCCESS   11
 164 #define LMP_MSGTYPE_TEST_STATUS_FAILURE   12
 165 #define LMP_MSGTYPE_TEST_STATUS_ACK       13
 166 #define LMP_MSGTYPE_LINK_SUMMARY          14
 167 #define LMP_MSGTYPE_LINK_SUMMARY_ACK      15
 168 #define LMP_MSGTYPE_LINK_SUMMARY_NACK     16
 169 #define LMP_MSGTYPE_CHANNEL_STATUS        17
 170 #define LMP_MSGTYPE_CHANNEL_STATUS_ACK    18
 171 #define LMP_MSGTYPE_CHANNEL_STATUS_REQ    19
 172 #define LMP_MSGTYPE_CHANNEL_STATUS_RESP   20
 173 /* LMP Service Discovery message types defined by UNI 1.0 */
 174 #define LMP_MSGTYPE_SERVICE_CONFIG        50
 175 #define LMP_MSGTYPE_SERVICE_CONFIG_ACK    51
 176 #define LMP_MSGTYPE_SERVICE_CONFIG_NACK   52
 177
 178 static const struct tok lmp_msg_type_values[] = {
 179     { LMP_MSGTYPE_CONFIG, "Config"},
 180     { LMP_MSGTYPE_CONFIG_ACK, "Config ACK"},
 181     { LMP_MSGTYPE_CONFIG_NACK, "Config NACK"},
 182     { LMP_MSGTYPE_HELLO, "Hello"},
 183     { LMP_MSGTYPE_VERIFY_BEGIN, "Begin Verify"},
 184     { LMP_MSGTYPE_VERIFY_BEGIN_ACK, "Begin Verify ACK"},
 185     { LMP_MSGTYPE_VERIFY_BEGIN_NACK, "Begin Verify NACK"},
 186     { LMP_MSGTYPE_VERIFY_END, "End Verify"},
 187     { LMP_MSGTYPE_VERIFY_END_ACK, "End Verify ACK"},
 188     { LMP_MSGTYPE_TEST, "Test"},
 189     { LMP_MSGTYPE_TEST_STATUS_SUCCESS, "Test Status Success"},
 190     { LMP_MSGTYPE_TEST_STATUS_FAILURE, "Test Status Failure"},
 191     { LMP_MSGTYPE_TEST_STATUS_ACK, "Test Status ACK"},
 192     { LMP_MSGTYPE_LINK_SUMMARY, "Link Summary"},
 193     { LMP_MSGTYPE_LINK_SUMMARY_ACK, "Link Summary ACK"},
 194     { LMP_MSGTYPE_LINK_SUMMARY_NACK, "Link Summary NACK"},
 195     { LMP_MSGTYPE_CHANNEL_STATUS, "Channel Status"},
 196     { LMP_MSGTYPE_CHANNEL_STATUS_ACK, "Channel Status ACK"},
 197     { LMP_MSGTYPE_CHANNEL_STATUS_REQ, "Channel Status Request"},
 198     { LMP_MSGTYPE_CHANNEL_STATUS_RESP, "Channel Status Response"},
 199     { LMP_MSGTYPE_SERVICE_CONFIG, "Service Config"},
 200     { LMP_MSGTYPE_SERVICE_CONFIG_ACK, "Service Config ACK"},
 201     { LMP_MSGTYPE_SERVICE_CONFIG_NACK, "Service Config NACK"},
 202     { 0, NULL}
 203 };
 204
 205 /*
 206  * LMP object header
 207  *
 208  *  0                   1                   2                   3
 209  *  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
 210  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 211  * |N|   C-Type    |     Class     |            Length             |
 212  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 213  * |                                                               |
 214  * //                       (object contents)                     //
 215  * |                                                               |
 216  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 217  */
 218
 219 struct lmp_object_header {
 220     uint8_t ctype;
 221     uint8_t class_num;
 222     uint8_t length[2];
 223 };
 224
 225 #define LMP_OBJ_CC_ID                 1
 226 #define LMP_OBJ_NODE_ID               2
 227 #define LMP_OBJ_LINK_ID               3
 228 #define LMP_OBJ_INTERFACE_ID          4
 229 #define LMP_OBJ_MESSAGE_ID            5
 230 #define LMP_OBJ_CONFIG                6
 231 #define LMP_OBJ_HELLO                 7
 232 #define LMP_OBJ_VERIFY_BEGIN          8
 233 #define LMP_OBJ_VERIFY_BEGIN_ACK      9
 234 #define LMP_OBJ_VERIFY_ID            10
 235 #define LMP_OBJ_TE_LINK              11
 236 #define LMP_OBJ_DATA_LINK            12
 237 #define LMP_OBJ_CHANNEL_STATUS       13
 238 #define LMP_OBJ_CHANNEL_STATUS_REQ   14
 239 #define LMP_OBJ_ERROR_CODE           20
 240
 241 #define LMP_OBJ_SERVICE_CONFIG       51 /* defined in UNI 1.0 */
 242
 243 static const struct tok lmp_obj_values[] = {
 244     { LMP_OBJ_CC_ID, "Control Channel ID" },
 245     { LMP_OBJ_NODE_ID, "Node ID" },
 246     { LMP_OBJ_LINK_ID, "Link ID" },
 247     { LMP_OBJ_INTERFACE_ID, "Interface ID" },
 248     { LMP_OBJ_MESSAGE_ID, "Message ID" },
 249     { LMP_OBJ_CONFIG, "Configuration" },
 250     { LMP_OBJ_HELLO, "Hello" },
 251     { LMP_OBJ_VERIFY_BEGIN, "Verify Begin" },
 252     { LMP_OBJ_VERIFY_BEGIN_ACK, "Verify Begin ACK" },
 253     { LMP_OBJ_VERIFY_ID, "Verify ID" },
 254     { LMP_OBJ_TE_LINK, "TE Link" },
 255     { LMP_OBJ_DATA_LINK, "Data Link" },
 256     { LMP_OBJ_CHANNEL_STATUS, "Channel Status" },
 257     { LMP_OBJ_CHANNEL_STATUS_REQ, "Channel Status Request" },
 258     { LMP_OBJ_ERROR_CODE, "Error Code" },
 259     { LMP_OBJ_SERVICE_CONFIG, "Service Config" },
 260
 261     { 0, NULL}
 262 };
 263
 264 #define INT_SWITCHING_TYPE_SUBOBJ 1
 265 #define WAVELENGTH_SUBOBJ         2
 266
 267 static const struct tok lmp_data_link_subobj[] = {
 268     { INT_SWITCHING_TYPE_SUBOBJ, "Interface Switching Type" },
 269     { WAVELENGTH_SUBOBJ        , "Wavelength" },
 270     { 0, NULL}
 271 };
 272
 273 #define LMP_CTYPE_IPV4       1
 274 #define LMP_CTYPE_IPV6       2
 275
 276 #define LMP_CTYPE_LOC        1
 277 #define LMP_CTYPE_RMT        2
 278 #define LMP_CTYPE_UNMD       3
 279
 280 #define LMP_CTYPE_IPV4_LOC   1
 281 #define LMP_CTYPE_IPV4_RMT   2
 282 #define LMP_CTYPE_IPV6_LOC   3
 283 #define LMP_CTYPE_IPV6_RMT   4
 284 #define LMP_CTYPE_UNMD_LOC   5
 285 #define LMP_CTYPE_UNMD_RMT   6
 286
 287 #define LMP_CTYPE_1          1
 288 #define LMP_CTYPE_2          2
 289
 290 #define LMP_CTYPE_HELLO_CONFIG  1
 291 #define LMP_CTYPE_HELLO         1
 292
 293 #define LMP_CTYPE_BEGIN_VERIFY_ERROR 1
 294 #define LMP_CTYPE_LINK_SUMMARY_ERROR 2
 295
 296 /* C-Types for Service Config Object */
 297 #define LMP_CTYPE_SERVICE_CONFIG_SP                   1
 298 #define LMP_CTYPE_SERVICE_CONFIG_CPSA                 2
 299 #define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM     3
 300 #define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY    4
 301
 302 /*
 303  * Different link types allowed in the Client Port Service Attributes
 304  * subobject defined for LMP Service Discovery in the UNI 1.0 spec
 305  */
 306 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH     5 /* UNI 1.0 Sec 9.4.2 */
 307 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET   6 /* UNI 1.0 Sec 9.4.2 */
 308
 309 /*
 310  * the ctypes are not globally unique so for
 311  * translating it to strings we build a table based
 312  * on objects offsetted by the ctype
 313  */
 314
 315 static const struct tok lmp_ctype_values[] = {
 316     { 256*LMP_OBJ_CC_ID+LMP_CTYPE_LOC, "Local" },
 317     { 256*LMP_OBJ_CC_ID+LMP_CTYPE_RMT, "Remote" },
 318     { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_LOC, "Local" },
 319     { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_RMT, "Remote" },
 320     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
 321     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
 322     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
 323     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
 324     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
 325     { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
 326     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
 327     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
 328     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
 329     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
 330     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
 331     { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
 332     { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_1, "1" },
 333     { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_2, "2" },
 334     { 256*LMP_OBJ_CONFIG+LMP_CTYPE_1, "1" },
 335     { 256*LMP_OBJ_HELLO+LMP_CTYPE_1, "1" },
 336     { 256*LMP_OBJ_VERIFY_BEGIN+LMP_CTYPE_1, "1" },
 337     { 256*LMP_OBJ_VERIFY_BEGIN_ACK+LMP_CTYPE_1, "1" },
 338     { 256*LMP_OBJ_VERIFY_ID+LMP_CTYPE_1, "1" },
 339     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV4, "IPv4" },
 340     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV6, "IPv6" },
 341     { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
 342     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV4, "IPv4" },
 343     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV6, "IPv6" },
 344     { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
 345     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV4, "IPv4" },
 346     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV6, "IPv6" },
 347     { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_UNMD, "Unnumbered" },
 348     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV4, "IPv4" },
 349     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV6, "IPv6" },
 350     { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_UNMD, "Unnumbered" },
 351     { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_1, "1" },
 352     { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_2, "2" },
 353     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_SP, "1" },
 354     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_CPSA, "2" },
 355     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM, "3" },
 356     { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY, "4" },
 357     { 0, NULL}
 358 };
 359
 360 void
 361 lmp_print(netdissect_options *ndo,
 362           register const u_char *pptr, register u_int len)
 363 {
 364     const struct lmp_common_header *lmp_com_header;
 365     const struct lmp_object_header *lmp_obj_header;
 366     const u_char *tptr,*obj_tptr;
 367     int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen;
 368     int hexdump;
 369     int offset,subobj_type,subobj_len,total_subobj_len;
 370     int link_type;
 371
 372     union { /* int to float conversion buffer */
 373         float f;
 374         uint32_t i;
 375     } bw;
 376
 377     tptr=pptr;
 378     lmp_com_header = (const struct lmp_common_header *)pptr;
 379     ND_TCHECK(*lmp_com_header);
 380
 381     /*
 382      * Sanity checking of the header.
 383      */
 384     if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) {
 385         ND_PRINT((ndo, "LMP version %u packet not supported",
 386                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0])));
 387         return;
 388     }
 389
 390     /* in non-verbose mode just lets print the basic Message Type*/
 391     if (ndo->ndo_vflag < 1) {
 392         ND_PRINT((ndo, "LMPv%u %s Message, length: %u",
 393                LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
 394                tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type),
 395                len));
 396         return;
 397     }
 398
 399     /* ok they seem to want to know everything - lets fully decode it */
 400
 401     tlen=EXTRACT_16BITS(lmp_com_header->length);
 402
 403     ND_PRINT((ndo, "\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
 404            LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
 405            tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type),
 406            bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags),
 407            tlen));
 408
 409     tptr+=sizeof(const struct lmp_common_header);
 410     tlen-=sizeof(const struct lmp_common_header);
 411
 412     while(tlen>0) {
 413         /* did we capture enough for fully decoding the object header ? */
 414         ND_TCHECK2(*tptr, sizeof(struct lmp_object_header));
 415
 416         lmp_obj_header = (const struct lmp_object_header *)tptr;
 417         lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length);
 418         lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f;
 419
 420         if(lmp_obj_len % 4 || lmp_obj_len < 4)
 421             return;
 422
 423         ND_PRINT((ndo, "\n\t  %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
 424                tok2str(lmp_obj_values,
 425                        "Unknown",
 426                        lmp_obj_header->class_num),
 427                lmp_obj_header->class_num,
 428                tok2str(lmp_ctype_values,
 429                        "Unknown",
 430                        ((lmp_obj_header->class_num)<<8)+lmp_obj_ctype),
 431                lmp_obj_ctype,
 432                (lmp_obj_header->ctype)&0x80 ? "" : "non-",
 433                lmp_obj_len));
 434
 435         obj_tptr=tptr+sizeof(struct lmp_object_header);
 436         obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header);
 437
 438         /* did we capture enough for fully decoding the object ? */
 439         ND_TCHECK2(*tptr, lmp_obj_len);
 440         hexdump=FALSE;
 441
 442         switch(lmp_obj_header->class_num) {
 443
 444         case LMP_OBJ_CC_ID:
 445             switch(lmp_obj_ctype) {
 446             case LMP_CTYPE_LOC:
 447             case LMP_CTYPE_RMT:
 448                 ND_PRINT((ndo, "\n\t    Control Channel ID: %u (0x%08x)",
 449                        EXTRACT_32BITS(obj_tptr),
 450                        EXTRACT_32BITS(obj_tptr)));
 451                 break;
 452
 453             default:
 454                 hexdump=TRUE;
 455             }
 456             break;
 457
 458         case LMP_OBJ_LINK_ID:
 459         case LMP_OBJ_INTERFACE_ID:
 460             switch(lmp_obj_ctype) {
 461             case LMP_CTYPE_IPV4_LOC:
 462             case LMP_CTYPE_IPV4_RMT:
 463                 ND_PRINT((ndo, "\n\t    IPv4 Link ID: %s (0x%08x)",
 464                        ipaddr_string(ndo, obj_tptr),
 465                        EXTRACT_32BITS(obj_tptr)));
 466                 break;
 467 #ifdef INET6
 468             case LMP_CTYPE_IPV6_LOC:
 469             case LMP_CTYPE_IPV6_RMT:
 470                 ND_PRINT((ndo, "\n\t    IPv6 Link ID: %s (0x%08x)",
 471                        ip6addr_string(ndo, obj_tptr),
 472                        EXTRACT_32BITS(obj_tptr)));
 473                 break;
 474 #endif
 475             case LMP_CTYPE_UNMD_LOC:
 476             case LMP_CTYPE_UNMD_RMT:
 477                 ND_PRINT((ndo, "\n\t    Link ID: %u (0x%08x)",
 478                        EXTRACT_32BITS(obj_tptr),
 479                        EXTRACT_32BITS(obj_tptr)));
 480                 break;
 481             default:
 482                 hexdump=TRUE;
 483             }
 484             break;
 485
 486         case LMP_OBJ_MESSAGE_ID:
 487             switch(lmp_obj_ctype) {
 488             case LMP_CTYPE_1:
 489                 ND_PRINT((ndo, "\n\t    Message ID: %u (0x%08x)",
 490                        EXTRACT_32BITS(obj_tptr),
 491                        EXTRACT_32BITS(obj_tptr)));
 492                 break;
 493             case LMP_CTYPE_2:
 494                 ND_PRINT((ndo, "\n\t    Message ID Ack: %u (0x%08x)",
 495                        EXTRACT_32BITS(obj_tptr),
 496                        EXTRACT_32BITS(obj_tptr)));
 497                 break;
 498             default:
 499                 hexdump=TRUE;
 500             }
 501             break;
 502
 503         case LMP_OBJ_NODE_ID:
 504             switch(lmp_obj_ctype) {
 505             case LMP_CTYPE_LOC:
 506             case LMP_CTYPE_RMT:
 507                 ND_PRINT((ndo, "\n\t    Node ID: %s (0x%08x)",
 508                        ipaddr_string(ndo, obj_tptr),
 509                        EXTRACT_32BITS(obj_tptr)));
 510                 break;
 511
 512             default:
 513                 hexdump=TRUE;
 514             }
 515             break;
 516
 517         case LMP_OBJ_CONFIG:
 518             switch(lmp_obj_ctype) {
 519             case LMP_CTYPE_HELLO_CONFIG:
 520                 ND_PRINT((ndo, "\n\t    Hello Interval: %u\n\t    Hello Dead Interval: %u",
 521                        EXTRACT_16BITS(obj_tptr),
 522                        EXTRACT_16BITS(obj_tptr+2)));
 523                 break;
 524
 525             default:
 526                 hexdump=TRUE;
 527             }
 528             break;
 529
 530         case LMP_OBJ_HELLO:
 531             switch(lmp_obj_ctype) {
 532             case LMP_CTYPE_HELLO:
 533                 ND_PRINT((ndo, "\n\t    Tx Seq: %u, Rx Seq: %u",
 534                        EXTRACT_32BITS(obj_tptr),
 535                        EXTRACT_32BITS(obj_tptr+4)));
 536                 break;
 537
 538             default:
 539                 hexdump=TRUE;
 540             }
 541             break;
 542
 543         case LMP_OBJ_TE_LINK:
 544                 ND_PRINT((ndo, "\n\t    Flags: [%s]",
 545                 bittok2str(lmp_obj_te_link_flag_values,
 546                         "none",
 547                         EXTRACT_16BITS(obj_tptr)>>8)));
 548
 549             switch(lmp_obj_ctype) {
 550             case LMP_CTYPE_IPV4:
 551                 ND_PRINT((ndo, "\n\t    Local Link-ID: %s (0x%08x)"
 552                        "\n\t    Remote Link-ID: %s (0x%08x)",
 553                        ipaddr_string(ndo, obj_tptr+4),
 554                        EXTRACT_32BITS(obj_tptr+4),
 555                        ipaddr_string(ndo, obj_tptr+8),
 556                        EXTRACT_32BITS(obj_tptr+8)));
 557                 break;
 558
 559 #ifdef INET6
 560             case LMP_CTYPE_IPV6:
 561 #endif
 562             case LMP_CTYPE_UNMD:
 563             default:
 564                 hexdump=TRUE;
 565             }
 566             break;
 567
 568         case LMP_OBJ_DATA_LINK:
 569                 ND_PRINT((ndo, "\n\t    Flags: [%s]",
 570                 bittok2str(lmp_obj_data_link_flag_values,
 571                         "none",
 572                         EXTRACT_16BITS(obj_tptr)>>8)));
 573
 574             switch(lmp_obj_ctype) {
 575             case LMP_CTYPE_IPV4:
 576             case LMP_CTYPE_UNMD:
 577                 ND_PRINT((ndo, "\n\t    Local Interface ID: %s (0x%08x)"
 578                        "\n\t    Remote Interface ID: %s (0x%08x)",
 579                        ipaddr_string(ndo, obj_tptr+4),
 580                        EXTRACT_32BITS(obj_tptr+4),
 581                        ipaddr_string(ndo, obj_tptr+8),
 582                        EXTRACT_32BITS(obj_tptr+8)));
 583
 584                 total_subobj_len = lmp_obj_len - 16;
 585                 offset = 12;
 586                 while (total_subobj_len > 0 && hexdump == FALSE ) {
 587                         subobj_type = EXTRACT_16BITS(obj_tptr+offset)>>8;
 588                         subobj_len  = EXTRACT_16BITS(obj_tptr+offset)&0x00FF;
 589                         ND_PRINT((ndo, "\n\t    Subobject, Type: %s (%u), Length: %u",
 590                                 tok2str(lmp_data_link_subobj,
 591                                         "Unknown",
 592                                         subobj_type),
 593                                         subobj_type,
 594                                         subobj_len));
 595                         switch(subobj_type) {
 596                         case INT_SWITCHING_TYPE_SUBOBJ:
 597                                 ND_PRINT((ndo, "\n\t      Switching Type: %s (%u)",
 598                                         tok2str(gmpls_switch_cap_values,
 599                                                 "Unknown",
 600                                                 EXTRACT_16BITS(obj_tptr+offset+2)>>8),
 601                                         EXTRACT_16BITS(obj_tptr+offset+2)>>8));
 602                                 ND_PRINT((ndo, "\n\t      Encoding Type: %s (%u)",
 603                                         tok2str(gmpls_encoding_values,
 604                                                 "Unknown",
 605                                                 EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF),
 606                                         EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF));
 607                                 bw.i = EXTRACT_32BITS(obj_tptr+offset+4);
 608                                 ND_PRINT((ndo, "\n\t      Min Reservable Bandwidth: %.3f Mbps",
 609                                        bw.f*8/1000000));
 610                                 bw.i = EXTRACT_32BITS(obj_tptr+offset+8);
 611                                 ND_PRINT((ndo, "\n\t      Max Reservable Bandwidth: %.3f Mbps",
 612                                        bw.f*8/1000000));
 613                                 break;
 614                         case WAVELENGTH_SUBOBJ:
 615                                 ND_PRINT((ndo, "\n\t      Wavelength: %u",
 616                                         EXTRACT_32BITS(obj_tptr+offset+4)));
 617                                 break;
 618                         default:
 619                                 /* Any Unknown Subobject ==> Exit loop */
 620                                 hexdump=TRUE;
 621                                 break;
 622                         }
 623                         total_subobj_len-=subobj_len;
 624                         offset+=subobj_len;
 625                 }
 626
 627                 break;
 628 #ifdef INET6
 629             case LMP_CTYPE_IPV6:
 630 #endif
 631             default:
 632                 hexdump=TRUE;
 633             }
 634             break;
 635
 636         case LMP_OBJ_VERIFY_BEGIN:
 637             switch(lmp_obj_ctype) {
 638             case LMP_CTYPE_1:
 639                 ND_PRINT((ndo, "\n\t    Flags: %s",
 640                 bittok2str(lmp_obj_begin_verify_flag_values,
 641                         "none",
 642                         EXTRACT_16BITS(obj_tptr))));
 643                 ND_PRINT((ndo, "\n\t    Verify Interval: %u",
 644                         EXTRACT_16BITS(obj_tptr+2)));
 645                 ND_PRINT((ndo, "\n\t    Data links: %u",
 646                         EXTRACT_32BITS(obj_tptr+4)));
 647                 ND_PRINT((ndo, "\n\t    Encoding type: %s",
 648                         tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8))));
 649                 ND_PRINT((ndo, "\n\t    Verify Transport Mechanism: %u (0x%x)%s",
 650                         EXTRACT_16BITS(obj_tptr+10),
 651                         EXTRACT_16BITS(obj_tptr+10),
 652                         EXTRACT_16BITS(obj_tptr+10)&8000 ? " (Payload test messages capable)" : ""));
 653                 bw.i = EXTRACT_32BITS(obj_tptr+12);
 654                 ND_PRINT((ndo, "\n\t    Transmission Rate: %.3f Mbps",bw.f*8/1000000));
 655                 ND_PRINT((ndo, "\n\t    Wavelength: %u",
 656                         EXTRACT_32BITS(obj_tptr+16)));
 657                 break;
 658
 659             default:
 660                 hexdump=TRUE;
 661             }
 662             break;
 663
 664         case LMP_OBJ_VERIFY_BEGIN_ACK:
 665             switch(lmp_obj_ctype) {
 666             case LMP_CTYPE_1:
 667                 ND_PRINT((ndo, "\n\t    Verify Dead Interval: %u"
 668                        "\n\t    Verify Transport Response: %u",
 669                        EXTRACT_16BITS(obj_tptr),
 670                        EXTRACT_16BITS(obj_tptr+2)));
 671                 break;
 672
 673             default:
 674                 hexdump=TRUE;
 675             }
 676             break;
 677
 678         case LMP_OBJ_VERIFY_ID:
 679             switch(lmp_obj_ctype) {
 680             case LMP_CTYPE_1:
 681                 ND_PRINT((ndo, "\n\t    Verify ID: %u",
 682                        EXTRACT_32BITS(obj_tptr)));
 683                 break;
 684
 685             default:
 686                 hexdump=TRUE;
 687             }
 688             break;
 689
 690         case LMP_OBJ_CHANNEL_STATUS:
 691             switch(lmp_obj_ctype) {
 692             case LMP_CTYPE_IPV4:
 693             case LMP_CTYPE_UNMD:
 694                 offset = 0;
 695                 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
 696                 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
 697                         ND_PRINT((ndo, "\n\t    Interface ID: %s (0x%08x)",
 698                         ipaddr_string(ndo, obj_tptr+offset),
 699                         EXTRACT_32BITS(obj_tptr+offset)));
 700
 701                         ND_PRINT((ndo, "\n\t\t    Active: %s (%u)",             (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
 702                                                 "Allocated" : "Non-allocated",
 703                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>31)));
 704
 705                         ND_PRINT((ndo, "\n\t\t    Direction: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
 706                                                 "Transmit" : "Receive",
 707                                 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1));
 708
 709                         ND_PRINT((ndo, "\n\t\t    Channel Status: %s (%u)",
 710                                         tok2str(lmp_obj_channel_status_values,
 711                                         "Unknown",
 712                                         EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
 713                         EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF));
 714                         offset+=8;
 715                 }
 716                 break;
 717 #ifdef INET6
 718             case LMP_CTYPE_IPV6:
 719 #endif
 720             default:
 721                 hexdump=TRUE;
 722             }
 723             break;
 724
 725         case LMP_OBJ_CHANNEL_STATUS_REQ:
 726             switch(lmp_obj_ctype) {
 727             case LMP_CTYPE_IPV4:
 728             case LMP_CTYPE_UNMD:
 729                 offset = 0;
 730                 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
 731                         ND_PRINT((ndo, "\n\t    Interface ID: %s (0x%08x)",
 732                         ipaddr_string(ndo, obj_tptr+offset),
 733                         EXTRACT_32BITS(obj_tptr+offset)));
 734                         offset+=4;
 735                 }
 736                 break;
 737 #ifdef INET6
 738             case LMP_CTYPE_IPV6:
 739 #endif
 740             default:
 741                 hexdump=TRUE;
 742             }
 743             break;
 744
 745         case LMP_OBJ_ERROR_CODE:
 746             switch(lmp_obj_ctype) {
 747             case LMP_CTYPE_BEGIN_VERIFY_ERROR:
 748                 ND_PRINT((ndo, "\n\t    Error Code: %s",
 749                 bittok2str(lmp_obj_begin_verify_error_values,
 750                         "none",
 751                         EXTRACT_32BITS(obj_tptr))));
 752                 break;
 753
 754             case LMP_CTYPE_LINK_SUMMARY_ERROR:
 755                 ND_PRINT((ndo, "\n\t    Error Code: %s",
 756                 bittok2str(lmp_obj_link_summary_error_values,
 757                         "none",
 758                         EXTRACT_32BITS(obj_tptr))));
 759                 break;
 760             default:
 761                 hexdump=TRUE;
 762             }
 763             break;
 764
 765         case LMP_OBJ_SERVICE_CONFIG:
 766             switch (lmp_obj_ctype) {
 767             case LMP_CTYPE_SERVICE_CONFIG_SP:
 768
 769                 ND_PRINT((ndo, "\n\t Flags: %s",
 770                        bittok2str(lmp_obj_service_config_sp_flag_values,
 771                                   "none",
 772                                   EXTRACT_16BITS(obj_tptr)>>8)));
 773
 774                 ND_PRINT((ndo, "\n\t  UNI Version: %u",
 775                        EXTRACT_16BITS(obj_tptr) & 0x00FF));
 776
 777                 break;
 778
 779             case LMP_CTYPE_SERVICE_CONFIG_CPSA:
 780
 781                 link_type = EXTRACT_16BITS(obj_tptr)>>8;
 782
 783                 ND_PRINT((ndo, "\n\t Link Type: %s (%u)",
 784                        tok2str(lmp_sd_service_config_cpsa_link_type_values,
 785                                "Unknown", link_type),
 786                        link_type));
 787
 788                 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH) {
 789                     ND_PRINT((ndo, "\n\t Signal Type: %s (%u)",
 790                            tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values,
 791                                    "Unknown",
 792                                    EXTRACT_16BITS(obj_tptr) & 0x00FF),
 793                            EXTRACT_16BITS(obj_tptr) & 0x00FF));
 794                 }
 795
 796                 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET) {
 797                     ND_PRINT((ndo, "\n\t Signal Type: %s (%u)",
 798                            tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values,
 799                                    "Unknown",
 800                                    EXTRACT_16BITS(obj_tptr) & 0x00FF),
 801                            EXTRACT_16BITS(obj_tptr) & 0x00FF));
 802                 }
 803
 804                 ND_PRINT((ndo, "\n\t Transparency: %s",
 805                        bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
 806                                   "none",
 807                                   EXTRACT_16BITS(obj_tptr+2)>>8)));
 808
 809                 ND_PRINT((ndo, "\n\t Contiguous Concatenation Types: %s",
 810                        bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
 811                                   "none",
 812                                   EXTRACT_16BITS(obj_tptr+2)>>8 & 0x00FF)));
 813
 814                 ND_PRINT((ndo, "\n\t Minimum NCC: %u",
 815                        EXTRACT_16BITS(obj_tptr+4)));
 816
 817                 ND_PRINT((ndo, "\n\t Maximum NCC: %u",
 818                        EXTRACT_16BITS(obj_tptr+6)));
 819
 820                 ND_PRINT((ndo, "\n\t Minimum NVC:%u",
 821                        EXTRACT_16BITS(obj_tptr+8)));
 822
 823                 ND_PRINT((ndo, "\n\t Maximum NVC:%u",
 824                        EXTRACT_16BITS(obj_tptr+10)));
 825
 826                 ND_PRINT((ndo, "\n\t    Local Interface ID: %s (0x%08x)",
 827                        ipaddr_string(ndo, obj_tptr+12),
 828                        EXTRACT_32BITS(obj_tptr+12)));
 829
 830                 break;
 831
 832             case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
 833
 834                 ND_PRINT((ndo, "\n\t Transparency Flags: %s",
 835                        bittok2str(
 836                            lmp_obj_service_config_nsa_transparency_flag_values,
 837                            "none",
 838                            EXTRACT_32BITS(obj_tptr))));
 839
 840                 ND_PRINT((ndo, "\n\t TCM Monitoring Flags: %s",
 841                        bittok2str(
 842                            lmp_obj_service_config_nsa_tcm_flag_values,
 843                            "none",
 844                            EXTRACT_16BITS(obj_tptr+6) & 0x00FF)));
 845
 846                 break;
 847
 848             case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
 849
 850                 ND_PRINT((ndo, "\n\t Diversity: Flags: %s",
 851                        bittok2str(
 852                            lmp_obj_service_config_nsa_network_diversity_flag_values,
 853                            "none",
 854                            EXTRACT_16BITS(obj_tptr+2) & 0x00FF)));
 855                 break;
 856
 857             default:
 858                 hexdump = TRUE;
 859             };
 860
 861         break;
 862
 863         default:
 864             if (ndo->ndo_vflag <= 1)
 865                 print_unknown_data(ndo,obj_tptr,"\n\t    ",obj_tlen);
 866             break;
 867         }
 868         /* do we want to see an additionally hexdump ? */
 869         if (ndo->ndo_vflag > 1 || hexdump==TRUE)
 870             print_unknown_data(ndo,tptr+sizeof(struct lmp_object_header),"\n\t    ",
 871                                lmp_obj_len-sizeof(struct lmp_object_header));
 872
 873         tptr+=lmp_obj_len;
 874         tlen-=lmp_obj_len;
 875     }
 876     return;
 877 trunc:
 878     ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
 879 }
 880 /*
 881  * Local Variables:
 882  * c-style: whitesmith
 883  * c-basic-offset: 8
 884  * End:
 885  */