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