The Tcpdump Group git mirrors - tcpdump/blob - print-ether.c

   1 /*
   2  * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that: (1) source code distributions
   7  * retain the above copyright notice and this paragraph in its entirety, (2)
   8  * distributions including binary code include the above copyright notice and
   9  * this paragraph in its entirety in the documentation or other materials
  10  * provided with the distribution, and (3) all advertising materials mentioning
  11  * features or use of this software display the following acknowledgement:
  12  * ``This product includes software developed by the University of California,
  13  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  14  * the University nor the names of its contributors may be used to endorse
  15  * or promote products derived from this software without specific prior
  16  * written permission.
  17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  18  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  20  */
  21
  22 /* \summary: Ethernet printer */
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include <config.h>
  26 #endif
  27
  28 #include "netdissect-stdinc.h"
  29
  30 #define ND_LONGJMP_FROM_TCHECK
  31 #include "netdissect.h"
  32 #include "extract.h"
  33 #include "addrtoname.h"
  34 #include "ethertype.h"
  35
  36 /*
  37  * Structure of an Ethernet header.
  38  */
  39 struct  ether_header {
  40         nd_mac48        ether_dhost;
  41         nd_mac48        ether_shost;
  42         nd_uint16_t     ether_length_type;
  43 };
  44
  45 /*
  46  * Length of an Ethernet header; note that some compilers may pad
  47  * "struct ether_header" to a multiple of 4 bytes, for example, so
  48  * "sizeof (struct ether_header)" may not give the right answer.
  49  */
  50 #define ETHER_HDRLEN            14
  51
  52 const struct tok ethertype_values[] = {
  53     { ETHERTYPE_IP,             "IPv4" },
  54     { ETHERTYPE_MPLS,           "MPLS unicast" },
  55     { ETHERTYPE_MPLS_MULTI,     "MPLS multicast" },
  56     { ETHERTYPE_IPV6,           "IPv6" },
  57     { ETHERTYPE_8021Q,          "802.1Q" },
  58     { ETHERTYPE_8021Q9100,      "802.1Q-9100" },
  59     { ETHERTYPE_8021QinQ,       "802.1Q-QinQ" },
  60     { ETHERTYPE_8021Q9200,      "802.1Q-9200" },
  61     { ETHERTYPE_MACSEC,         "802.1AE MACsec" },
  62     { ETHERTYPE_VMAN,           "VMAN" },
  63     { ETHERTYPE_PUP,            "PUP" },
  64     { ETHERTYPE_ARP,            "ARP"},
  65     { ETHERTYPE_REVARP,         "Reverse ARP"},
  66     { ETHERTYPE_NS,             "NS" },
  67     { ETHERTYPE_SPRITE,         "Sprite" },
  68     { ETHERTYPE_TRAIL,          "Trail" },
  69     { ETHERTYPE_MOPDL,          "MOP DL" },
  70     { ETHERTYPE_MOPRC,          "MOP RC" },
  71     { ETHERTYPE_DN,             "DN" },
  72     { ETHERTYPE_LAT,            "LAT" },
  73     { ETHERTYPE_SCA,            "SCA" },
  74     { ETHERTYPE_TEB,            "TEB" },
  75     { ETHERTYPE_LANBRIDGE,      "Lanbridge" },
  76     { ETHERTYPE_DECDNS,         "DEC DNS" },
  77     { ETHERTYPE_DECDTS,         "DEC DTS" },
  78     { ETHERTYPE_VEXP,           "VEXP" },
  79     { ETHERTYPE_VPROD,          "VPROD" },
  80     { ETHERTYPE_ATALK,          "Appletalk" },
  81     { ETHERTYPE_AARP,           "Appletalk ARP" },
  82     { ETHERTYPE_IPX,            "IPX" },
  83     { ETHERTYPE_PPP,            "PPP" },
  84     { ETHERTYPE_MPCP,           "MPCP" },
  85     { ETHERTYPE_SLOW,           "Slow Protocols" },
  86     { ETHERTYPE_PPPOED,         "PPPoE D" },
  87     { ETHERTYPE_PPPOES,         "PPPoE S" },
  88     { ETHERTYPE_EAPOL,          "EAPOL" },
  89     { ETHERTYPE_REALTEK,        "Realtek protocols" },
  90     { ETHERTYPE_MS_NLB_HB,      "MS NLB heartbeat" },
  91     { ETHERTYPE_JUMBO,          "Jumbo" },
  92     { ETHERTYPE_NSH,            "NSH" },
  93     { ETHERTYPE_LOOPBACK,       "Loopback" },
  94     { ETHERTYPE_ISO,            "OSI" },
  95     { ETHERTYPE_GRE_ISO,        "GRE-OSI" },
  96     { ETHERTYPE_CFM_OLD,        "CFM (old)" },
  97     { ETHERTYPE_CFM,            "CFM" },
  98     { ETHERTYPE_IEEE1905_1,     "IEEE1905.1" },
  99     { ETHERTYPE_LLDP,           "LLDP" },
 100     { ETHERTYPE_TIPC,           "TIPC"},
 101     { ETHERTYPE_GEONET_OLD,     "GeoNet (old)"},
 102     { ETHERTYPE_GEONET,         "GeoNet"},
 103     { ETHERTYPE_CALM_FAST,      "CALM FAST"},
 104     { ETHERTYPE_AOE,            "AoE" },
 105     { ETHERTYPE_PTP,            "PTP" },
 106     { ETHERTYPE_ARISTA,         "Arista Vendor Specific Protocol" },
 107     { 0, NULL}
 108 };
 109
 110 static void
 111 ether_addresses_print(netdissect_options *ndo, const u_char *src,
 112                       const u_char *dst)
 113 {
 114         ND_PRINT("%s > %s, ",
 115                  GET_MAC48_STRING(src), GET_MAC48_STRING(dst));
 116 }
 117
 118 static void
 119 ether_type_print(netdissect_options *ndo, uint16_t type)
 120 {
 121         if (!ndo->ndo_qflag)
 122                 ND_PRINT("ethertype %s (0x%04x)",
 123                          tok2str(ethertype_values, "Unknown", type), type);
 124         else
 125                 ND_PRINT("%s",
 126                          tok2str(ethertype_values, "Unknown Ethertype (0x%04x)", type));
 127 }
 128
 129 /*
 130  * Common code for printing Ethernet frames.
 131  *
 132  * It can handle Ethernet headers with extra tag information inserted
 133  * after the destination and source addresses, as is inserted by some
 134  * switch chips, and extra encapsulation header information before
 135  * printing Ethernet header information (such as a LANE ID for ATM LANE).
 136  */
 137 static u_int
 138 ether_common_print(netdissect_options *ndo, const u_char *p, u_int length,
 139     u_int caplen,
 140     void (*print_switch_tag)(netdissect_options *ndo, const u_char *),
 141     u_int switch_tag_len,
 142     void (*print_encap_header)(netdissect_options *ndo, const u_char *),
 143     const u_char *encap_header_arg)
 144 {
 145         const struct ether_header *ehp;
 146         u_int orig_length;
 147         u_int hdrlen;
 148         u_short length_type;
 149         int printed_length;
 150         int llc_hdrlen;
 151         struct lladdr_info src, dst;
 152
 153         if (length < caplen) {
 154                 ND_PRINT("[length %u < caplen %u]", length, caplen);
 155                 nd_print_invalid(ndo);
 156                 return length;
 157         }
 158         if (caplen < ETHER_HDRLEN + switch_tag_len) {
 159                 nd_print_trunc(ndo);
 160                 return caplen;
 161         }
 162
 163         if (print_encap_header != NULL)
 164                 (*print_encap_header)(ndo, encap_header_arg);
 165
 166         orig_length = length;
 167
 168         /*
 169          * Get the source and destination addresses, skip past them,
 170          * and print them if we're printing the link-layer header.
 171          */
 172         ehp = (const struct ether_header *)p;
 173         src.addr = ehp->ether_shost;
 174         src.addr_string = mac48_string;
 175         dst.addr = ehp->ether_dhost;
 176         dst.addr_string = mac48_string;
 177
 178         length -= 2*MAC48_LEN;
 179         caplen -= 2*MAC48_LEN;
 180         p += 2*MAC48_LEN;
 181         hdrlen = 2*MAC48_LEN;
 182
 183         if (ndo->ndo_eflag)
 184                 ether_addresses_print(ndo, src.addr, dst.addr);
 185
 186         /*
 187          * Print the switch tag, if we have one, and skip past it.
 188          */
 189         if (print_switch_tag != NULL)
 190                 (*print_switch_tag)(ndo, p);
 191
 192         length -= switch_tag_len;
 193         caplen -= switch_tag_len;
 194         p += switch_tag_len;
 195         hdrlen += switch_tag_len;
 196
 197         /*
 198          * Get the length/type field, skip past it, and print it
 199          * if we're printing the link-layer header.
 200          */
 201 recurse:
 202         length_type = GET_BE_U_2(p);
 203
 204         length -= 2;
 205         caplen -= 2;
 206         p += 2;
 207         hdrlen += 2;
 208
 209         /*
 210          * Process 802.1AE MACsec headers.
 211          */
 212         printed_length = 0;
 213         if (length_type == ETHERTYPE_MACSEC) {
 214                 /*
 215                  * MACsec, aka IEEE 802.1AE-2006
 216                  * Print the header, and try to print the payload if it's not encrypted
 217                  */
 218                 if (ndo->ndo_eflag) {
 219                         ether_type_print(ndo, length_type);
 220                         ND_PRINT(", length %u: ", orig_length);
 221                         printed_length = 1;
 222                 }
 223
 224                 int ret = macsec_print(ndo, &p, &length, &caplen, &hdrlen,
 225                                        &src, &dst);
 226
 227                 if (ret == 0) {
 228                         /* Payload is encrypted; print it as raw data. */
 229                         if (!ndo->ndo_suppress_default_print)
 230                                 ND_DEFAULTPRINT(p, caplen);
 231                         return hdrlen;
 232                 } else if (ret > 0) {
 233                         /* Problem printing the header; just quit. */
 234                         return ret;
 235                 } else {
 236                         /*
 237                          * Keep processing type/length fields.
 238                          */
 239                         length_type = GET_BE_U_2(p);
 240
 241                         ND_ICHECK_U(caplen, <, 2);
 242                         length -= 2;
 243                         caplen -= 2;
 244                         p += 2;
 245                         hdrlen += 2;
 246                 }
 247         }
 248
 249         /*
 250          * Process VLAN tag types.
 251          */
 252         while (length_type == ETHERTYPE_8021Q  ||
 253                 length_type == ETHERTYPE_8021Q9100 ||
 254                 length_type == ETHERTYPE_8021Q9200 ||
 255                 length_type == ETHERTYPE_8021QinQ) {
 256                 /*
 257                  * It has a VLAN tag.
 258                  * Print VLAN information, and then go back and process
 259                  * the enclosed type field.
 260                  */
 261                 if (caplen < 4) {
 262                         ndo->ndo_protocol = "vlan";
 263                         nd_print_trunc(ndo);
 264                         return hdrlen + caplen;
 265                 }
 266                 if (length < 4) {
 267                         ndo->ndo_protocol = "vlan";
 268                         nd_print_trunc(ndo);
 269                         return hdrlen + length;
 270                 }
 271                 if (ndo->ndo_eflag) {
 272                         uint16_t tag = GET_BE_U_2(p);
 273
 274                         ether_type_print(ndo, length_type);
 275                         if (!printed_length) {
 276                                 ND_PRINT(", length %u: ", orig_length);
 277                                 printed_length = 1;
 278                         } else
 279                                 ND_PRINT(", ");
 280                         ND_PRINT("%s, ", ieee8021q_tci_string(tag));
 281                 }
 282
 283                 length_type = GET_BE_U_2(p + 2);
 284                 p += 4;
 285                 length -= 4;
 286                 caplen -= 4;
 287                 hdrlen += 4;
 288         }
 289
 290         /*
 291          * We now have the final length/type field.
 292          */
 293         if (length_type <= MAX_ETHERNET_LENGTH_VAL) {
 294                 /*
 295                  * It's a length field, containing the length of the
 296                  * remaining payload; use it as such, as long as
 297                  * it's not too large (bigger than the actual payload).
 298                  */
 299                 if (length_type < length) {
 300                         length = length_type;
 301                         if (caplen > length)
 302                                 caplen = length;
 303                 }
 304
 305                 /*
 306                  * Cut off the snapshot length to the end of the
 307                  * payload.
 308                  */
 309                 if (!nd_push_snaplen(ndo, p, length)) {
 310                         (*ndo->ndo_error)(ndo, S_ERR_ND_MEM_ALLOC,
 311                                 "%s: can't push snaplen on buffer stack", __func__);
 312                 }
 313
 314                 if (ndo->ndo_eflag) {
 315                         ND_PRINT("802.3");
 316                         if (!printed_length)
 317                                 ND_PRINT(", length %u: ", length);
 318                 }
 319
 320                 /*
 321                  * An LLC header follows the length.  Print that and
 322                  * higher layers.
 323                  */
 324                 llc_hdrlen = llc_print(ndo, p, length, caplen, &src, &dst);
 325                 if (llc_hdrlen < 0) {
 326                         /* packet type not known, print raw packet */
 327                         if (!ndo->ndo_suppress_default_print)
 328                                 ND_DEFAULTPRINT(p, caplen);
 329                         llc_hdrlen = -llc_hdrlen;
 330                 }
 331                 hdrlen += llc_hdrlen;
 332                 nd_pop_packet_info(ndo);
 333         } else if (length_type == ETHERTYPE_JUMBO) {
 334                 /*
 335                  * It's a type field, with the type for Alteon jumbo frames.
 336                  * See
 337                  *
 338                  *      https://tools.ietf.org/html/draft-ietf-isis-ext-eth-01
 339                  *
 340                  * which indicates that, following the type field,
 341                  * there's an LLC header and payload.
 342                  */
 343                 /* Try to print the LLC-layer header & higher layers */
 344                 llc_hdrlen = llc_print(ndo, p, length, caplen, &src, &dst);
 345                 if (llc_hdrlen < 0) {
 346                         /* packet type not known, print raw packet */
 347                         if (!ndo->ndo_suppress_default_print)
 348                                 ND_DEFAULTPRINT(p, caplen);
 349                         llc_hdrlen = -llc_hdrlen;
 350                 }
 351                 hdrlen += llc_hdrlen;
 352         } else if (length_type == ETHERTYPE_ARISTA) {
 353                 if (caplen < 2) {
 354                         ND_PRINT("[|arista]");
 355                         return hdrlen + caplen;
 356                 }
 357                 if (length < 2) {
 358                         ND_PRINT("[|arista]");
 359                         return hdrlen + length;
 360                 }
 361                 ether_type_print(ndo, length_type);
 362                 ND_PRINT(", length %u: ", orig_length);
 363                 int bytesConsumed = arista_ethertype_print(ndo, p, length);
 364                 if (bytesConsumed > 0) {
 365                         p += bytesConsumed;
 366                         length -= bytesConsumed;
 367                         caplen -= bytesConsumed;
 368                         hdrlen += bytesConsumed;
 369                         goto recurse;
 370                 } else {
 371                         /* subtype/version not known, print raw packet */
 372                         if (!ndo->ndo_eflag && length_type > MAX_ETHERNET_LENGTH_VAL) {
 373                                 ether_addresses_print(ndo, src.addr, dst.addr);
 374                                 ether_type_print(ndo, length_type);
 375                                 ND_PRINT(", length %u: ", orig_length);
 376                         }
 377                          if (!ndo->ndo_suppress_default_print)
 378                                  ND_DEFAULTPRINT(p, caplen);
 379                 }
 380         } else {
 381                 /*
 382                  * It's a type field with some other value.
 383                  */
 384                 if (ndo->ndo_eflag) {
 385                         ether_type_print(ndo, length_type);
 386                         if (!printed_length)
 387                                 ND_PRINT(", length %u: ", orig_length);
 388                         else
 389                                 ND_PRINT(", ");
 390                 }
 391                 if (ethertype_print(ndo, length_type, p, length, caplen, &src, &dst) == 0) {
 392                         /* type not known, print raw packet */
 393                         if (!ndo->ndo_eflag) {
 394                                 /*
 395                                  * We didn't print the full link-layer
 396                                  * header, as -e wasn't specified, so
 397                                  * print only the source and destination
 398                                  * MAC addresses and the final Ethernet
 399                                  * type.
 400                                  */
 401                                 ether_addresses_print(ndo, src.addr, dst.addr);
 402                                 ether_type_print(ndo, length_type);
 403                                 ND_PRINT(", length %u: ", orig_length);
 404                         }
 405
 406                         if (!ndo->ndo_suppress_default_print)
 407                                 ND_DEFAULTPRINT(p, caplen);
 408                 }
 409         }
 410 invalid:
 411         return hdrlen;
 412 }
 413
 414 /*
 415  * Print an Ethernet frame while specifying a non-standard Ethernet header
 416  * length.
 417  * This might be encapsulated within another frame; we might be passed
 418  * a pointer to a function that can print header information for that
 419  * frame's protocol, and an argument to pass to that function.
 420  *
 421  * FIXME: caplen can and should be derived from ndo->ndo_snapend and p.
 422  */
 423 u_int
 424 ether_switch_tag_print(netdissect_options *ndo, const u_char *p, u_int length,
 425     u_int caplen,
 426     void (*print_switch_tag)(netdissect_options *, const u_char *),
 427     u_int switch_tag_len)
 428 {
 429         return ether_common_print(ndo, p, length, caplen, print_switch_tag,
 430                                   switch_tag_len, NULL, NULL);
 431 }
 432
 433 /*
 434  * Print an Ethernet frame.
 435  * This might be encapsulated within another frame; we might be passed
 436  * a pointer to a function that can print header information for that
 437  * frame's protocol, and an argument to pass to that function.
 438  *
 439  * FIXME: caplen can and should be derived from ndo->ndo_snapend and p.
 440  */
 441 u_int
 442 ether_print(netdissect_options *ndo,
 443             const u_char *p, u_int length, u_int caplen,
 444             void (*print_encap_header)(netdissect_options *ndo, const u_char *),
 445             const u_char *encap_header_arg)
 446 {
 447         ndo->ndo_protocol = "ether";
 448         return ether_common_print(ndo, p, length, caplen, NULL, 0,
 449                                   print_encap_header, encap_header_arg);
 450 }
 451
 452 /*
 453  * This is the top level routine of the printer.  'p' points
 454  * to the ether header of the packet, 'h->len' is the length
 455  * of the packet off the wire, and 'h->caplen' is the number
 456  * of bytes actually captured.
 457  */
 458 void
 459 ether_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 460                const u_char *p)
 461 {
 462         ndo->ndo_protocol = "ether";
 463         ndo->ndo_ll_hdr_len +=
 464                 ether_print(ndo, p, h->len, h->caplen, NULL, NULL);
 465 }
 466
 467 /*
 468  * This is the top level routine of the printer.  'p' points
 469  * to the ether header of the packet, 'h->len' is the length
 470  * of the packet off the wire, and 'h->caplen' is the number
 471  * of bytes actually captured.
 472  *
 473  * This is for DLT_NETANALYZER, which has a 4-byte pseudo-header
 474  * before the Ethernet header.
 475  */
 476 void
 477 netanalyzer_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 478                      const u_char *p)
 479 {
 480         /*
 481          * Fail if we don't have enough data for the Hilscher pseudo-header.
 482          */
 483         ndo->ndo_protocol = "netanalyzer";
 484         ND_TCHECK_LEN(p, 4);
 485
 486         /* Skip the pseudo-header. */
 487         ndo->ndo_ll_hdr_len += 4;
 488         ndo->ndo_ll_hdr_len +=
 489                 ether_print(ndo, p + 4, h->len - 4, h->caplen - 4, NULL, NULL);
 490 }
 491
 492 /*
 493  * This is the top level routine of the printer.  'p' points
 494  * to the ether header of the packet, 'h->len' is the length
 495  * of the packet off the wire, and 'h->caplen' is the number
 496  * of bytes actually captured.
 497  *
 498  * This is for DLT_NETANALYZER_TRANSPARENT, which has a 4-byte
 499  * pseudo-header, a 7-byte Ethernet preamble, and a 1-byte Ethernet SOF
 500  * before the Ethernet header.
 501  */
 502 void
 503 netanalyzer_transparent_if_print(netdissect_options *ndo,
 504                                  const struct pcap_pkthdr *h,
 505                                  const u_char *p)
 506 {
 507         /*
 508          * Fail if we don't have enough data for the Hilscher pseudo-header,
 509          * preamble, and SOF.
 510          */
 511         ndo->ndo_protocol = "netanalyzer_transparent";
 512         ND_TCHECK_LEN(p, 12);
 513
 514         /* Skip the pseudo-header, preamble, and SOF. */
 515         ndo->ndo_ll_hdr_len += 12;
 516         ndo->ndo_ll_hdr_len +=
 517                 ether_print(ndo, p + 12, h->len - 12, h->caplen - 12, NULL, NULL);
 518 }
 519
 520 /*
 521  * Prints the packet payload, given an Ethernet type code for the payload's
 522  * protocol.
 523  *
 524  * Returns non-zero if it can do so, zero if the ethertype is unknown.
 525  */
 526
 527 int
 528 ethertype_print(netdissect_options *ndo,
 529                 u_short ether_type, const u_char *p,
 530                 u_int length, u_int caplen,
 531                 const struct lladdr_info *src, const struct lladdr_info *dst)
 532 {
 533         switch (ether_type) {
 534
 535         case ETHERTYPE_IP:
 536                 ip_print(ndo, p, length);
 537                 return (1);
 538
 539         case ETHERTYPE_IPV6:
 540                 ip6_print(ndo, p, length);
 541                 return (1);
 542
 543         case ETHERTYPE_ARP:
 544         case ETHERTYPE_REVARP:
 545                 arp_print(ndo, p, length, caplen);
 546                 return (1);
 547
 548         case ETHERTYPE_DN:
 549                 decnet_print(ndo, p, length, caplen);
 550                 return (1);
 551
 552         case ETHERTYPE_ATALK:
 553                 if (ndo->ndo_vflag)
 554                         ND_PRINT("et1 ");
 555                 atalk_print(ndo, p, length);
 556                 return (1);
 557
 558         case ETHERTYPE_AARP:
 559                 aarp_print(ndo, p, length);
 560                 return (1);
 561
 562         case ETHERTYPE_IPX:
 563                 ND_PRINT("(NOV-ETHII) ");
 564                 ipx_print(ndo, p, length);
 565                 return (1);
 566
 567         case ETHERTYPE_ISO:
 568                 if (length == 0 || caplen == 0) {
 569                         ndo->ndo_protocol = "isoclns";
 570                         nd_print_trunc(ndo);
 571                         return (1);
 572                 }
 573                 /* At least one byte is required */
 574                 /* FIXME: Reference for this byte? */
 575                 ND_TCHECK_1(p);
 576                 isoclns_print(ndo, p + 1, length - 1);
 577                 return(1);
 578
 579         case ETHERTYPE_PPPOED:
 580         case ETHERTYPE_PPPOES:
 581         case ETHERTYPE_PPPOED2:
 582         case ETHERTYPE_PPPOES2:
 583                 pppoe_print(ndo, p, length);
 584                 return (1);
 585
 586         case ETHERTYPE_EAPOL:
 587                 eapol_print(ndo, p);
 588                 return (1);
 589
 590         case ETHERTYPE_REALTEK:
 591                 rtl_print(ndo, p, length, src, dst);
 592                 return (1);
 593
 594         case ETHERTYPE_PPP:
 595                 if (length) {
 596                         ND_PRINT(": ");
 597                         ppp_print(ndo, p, length);
 598                 }
 599                 return (1);
 600
 601         case ETHERTYPE_MPCP:
 602                 mpcp_print(ndo, p, length);
 603                 return (1);
 604
 605         case ETHERTYPE_SLOW:
 606                 slow_print(ndo, p, length);
 607                 return (1);
 608
 609         case ETHERTYPE_CFM:
 610         case ETHERTYPE_CFM_OLD:
 611                 cfm_print(ndo, p, length);
 612                 return (1);
 613
 614         case ETHERTYPE_LLDP:
 615                 lldp_print(ndo, p, length);
 616                 return (1);
 617
 618         case ETHERTYPE_NSH:
 619                 nsh_print(ndo, p, length);
 620                 return (1);
 621
 622         case ETHERTYPE_LOOPBACK:
 623                 loopback_print(ndo, p, length);
 624                 return (1);
 625
 626         case ETHERTYPE_MPLS:
 627         case ETHERTYPE_MPLS_MULTI:
 628                 mpls_print(ndo, p, length);
 629                 return (1);
 630
 631         case ETHERTYPE_TIPC:
 632                 tipc_print(ndo, p, length, caplen);
 633                 return (1);
 634
 635         case ETHERTYPE_MS_NLB_HB:
 636                 msnlb_print(ndo, p);
 637                 return (1);
 638
 639         case ETHERTYPE_GEONET_OLD:
 640         case ETHERTYPE_GEONET:
 641                 geonet_print(ndo, p, length, src);
 642                 return (1);
 643
 644         case ETHERTYPE_CALM_FAST:
 645                 calm_fast_print(ndo, p, length, src);
 646                 return (1);
 647
 648         case ETHERTYPE_AOE:
 649                 aoe_print(ndo, p, length);
 650                 return (1);
 651
 652         case ETHERTYPE_PTP:
 653                 ptp_print(ndo, p, length);
 654                 return (1);
 655
 656         case ETHERTYPE_LAT:
 657         case ETHERTYPE_SCA:
 658         case ETHERTYPE_MOPRC:
 659         case ETHERTYPE_MOPDL:
 660         case ETHERTYPE_IEEE1905_1:
 661                 /* default_print for now */
 662         default:
 663                 return (0);
 664         }
 665 }