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