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 #include <config.h>
  25
  26 #include "netdissect-stdinc.h"
  27
  28 #define ND_LONGJMP_FROM_TCHECK
  29 #include "netdissect.h"
  30 #include "extract.h"
  31 #include "addrtoname.h"
  32 #include "ethertype.h"
  33
  34 /*
  35  * Structure of an Ethernet header.
  36  */
  37 struct  ether_header {
  38         nd_mac48        ether_dhost;
  39         nd_mac48        ether_shost;
  40         nd_uint16_t     ether_length_type;
  41 };
  42
  43 /*
  44  * Length of an Ethernet header; note that some compilers may pad
  45  * "struct ether_header" to a multiple of 4 bytes, for example, so
  46  * "sizeof (struct ether_header)" may not give the right answer.
  47  */
  48 #define ETHER_HDRLEN            14
  49
  50 const struct tok ethertype_values[] = {
  51     { ETHERTYPE_IP,             "IPv4" },
  52     { ETHERTYPE_MPLS,           "MPLS unicast" },
  53     { ETHERTYPE_MPLS_MULTI,     "MPLS multicast" },
  54     { ETHERTYPE_IPV6,           "IPv6" },
  55     { ETHERTYPE_8021Q,          "802.1Q" },
  56     { ETHERTYPE_8021Q9100,      "802.1Q-9100" },
  57     { ETHERTYPE_8021QinQ,       "802.1Q-QinQ" },
  58     { ETHERTYPE_8021Q9200,      "802.1Q-9200" },
  59     { ETHERTYPE_MACSEC,         "802.1AE MACsec" },
  60     { ETHERTYPE_VMAN,           "VMAN" },
  61     { ETHERTYPE_PUP,            "PUP" },
  62     { ETHERTYPE_ARP,            "ARP"},
  63     { ETHERTYPE_REVARP,         "Reverse ARP"},
  64     { ETHERTYPE_NS,             "NS" },
  65     { ETHERTYPE_SPRITE,         "Sprite" },
  66     { ETHERTYPE_TRAIL,          "Trail" },
  67     { ETHERTYPE_MOPDL,          "MOP DL" },
  68     { ETHERTYPE_MOPRC,          "MOP RC" },
  69     { ETHERTYPE_DN,             "DN" },
  70     { ETHERTYPE_LAT,            "LAT" },
  71     { ETHERTYPE_SCA,            "SCA" },
  72     { ETHERTYPE_TEB,            "TEB" },
  73     { ETHERTYPE_LANBRIDGE,      "Lanbridge" },
  74     { ETHERTYPE_DECDNS,         "DEC DNS" },
  75     { ETHERTYPE_DECDTS,         "DEC DTS" },
  76     { ETHERTYPE_VEXP,           "VEXP" },
  77     { ETHERTYPE_VPROD,          "VPROD" },
  78     { ETHERTYPE_ATALK,          "Appletalk" },
  79     { ETHERTYPE_AARP,           "Appletalk ARP" },
  80     { ETHERTYPE_IPX,            "IPX" },
  81     { ETHERTYPE_PPP,            "PPP" },
  82     { ETHERTYPE_MPCP,           "MPCP" },
  83     { ETHERTYPE_SLOW,           "Slow Protocols" },
  84     { ETHERTYPE_PPPOED,         "PPPoE D" },
  85     { ETHERTYPE_PPPOES,         "PPPoE S" },
  86     { ETHERTYPE_EAPOL,          "EAPOL" },
  87     { ETHERTYPE_REALTEK,        "Realtek protocols" },
  88     { ETHERTYPE_MS_NLB_HB,      "MS NLB heartbeat" },
  89     { ETHERTYPE_JUMBO,          "Jumbo" },
  90     { ETHERTYPE_NSH,            "NSH" },
  91     { ETHERTYPE_LOOPBACK,       "Loopback" },
  92     { ETHERTYPE_ISO,            "OSI" },
  93     { ETHERTYPE_GRE_ISO,        "GRE-OSI" },
  94     { ETHERTYPE_CFM_OLD,        "CFM (old)" },
  95     { ETHERTYPE_CFM,            "CFM" },
  96     { ETHERTYPE_IEEE1905_1,     "IEEE1905.1" },
  97     { ETHERTYPE_LLDP,           "LLDP" },
  98     { ETHERTYPE_TIPC,           "TIPC"},
  99     { ETHERTYPE_GEONET_OLD,     "GeoNet (old)"},
 100     { ETHERTYPE_GEONET,         "GeoNet"},
 101     { ETHERTYPE_CALM_FAST,      "CALM FAST"},
 102     { ETHERTYPE_AOE,            "AoE" },
 103     { ETHERTYPE_PTP,            "PTP" },
 104     { ETHERTYPE_ARISTA,         "Arista Vendor Specific Protocol" },
 105     { 0, NULL}
 106 };
 107
 108 static void
 109 ether_addresses_print(netdissect_options *ndo, const u_char *src,
 110                       const u_char *dst)
 111 {
 112         ND_PRINT("%s > %s, ",
 113                  GET_MAC48_STRING(src), GET_MAC48_STRING(dst));
 114 }
 115
 116 static void
 117 ether_type_print(netdissect_options *ndo, uint16_t type)
 118 {
 119         if (!ndo->ndo_qflag)
 120                 ND_PRINT("ethertype %s (0x%04x)",
 121                          tok2str(ethertype_values, "Unknown", type), type);
 122         else
 123                 ND_PRINT("%s",
 124                          tok2str(ethertype_values, "Unknown Ethertype (0x%04x)", type));
 125 }
 126
 127 /*
 128  * Common code for printing Ethernet frames.
 129  *
 130  * It can handle Ethernet headers with extra tag information inserted
 131  * after the destination and source addresses, as is inserted by some
 132  * switch chips, and extra encapsulation header information before
 133  * printing Ethernet header information (such as a LANE ID for ATM LANE).
 134  */
 135 static u_int
 136 ether_common_print(netdissect_options *ndo, const u_char *p, u_int length,
 137     u_int caplen,
 138     void (*print_switch_tag)(netdissect_options *ndo, const u_char *),
 139     u_int switch_tag_len,
 140     void (*print_encap_header)(netdissect_options *ndo, const u_char *),
 141     const u_char *encap_header_arg)
 142 {
 143         const struct ether_header *ehp;
 144         u_int orig_length;
 145         u_int hdrlen;
 146         u_short length_type;
 147         int printed_length;
 148         int llc_hdrlen;
 149         struct lladdr_info src, dst;
 150
 151         if (length < caplen) {
 152                 ND_PRINT("[length %u < caplen %u]", length, caplen);
 153                 nd_print_invalid(ndo);
 154                 return length;
 155         }
 156         if (caplen < ETHER_HDRLEN + switch_tag_len) {
 157                 nd_print_trunc(ndo);
 158                 return caplen;
 159         }
 160
 161         if (print_encap_header != NULL)
 162                 (*print_encap_header)(ndo, encap_header_arg);
 163
 164         orig_length = length;
 165
 166         /*
 167          * Get the source and destination addresses, skip past them,
 168          * and print them if we're printing the link-layer header.
 169          */
 170         ehp = (const struct ether_header *)p;
 171         src.addr = ehp->ether_shost;
 172         src.addr_string = mac48_string;
 173         dst.addr = ehp->ether_dhost;
 174         dst.addr_string = mac48_string;
 175
 176         length -= 2*MAC48_LEN;
 177         caplen -= 2*MAC48_LEN;
 178         p += 2*MAC48_LEN;
 179         hdrlen = 2*MAC48_LEN;
 180
 181         if (ndo->ndo_eflag)
 182                 ether_addresses_print(ndo, src.addr, dst.addr);
 183
 184         /*
 185          * Print the switch tag, if we have one, and skip past it.
 186          */
 187         if (print_switch_tag != NULL)
 188                 (*print_switch_tag)(ndo, p);
 189
 190         length -= switch_tag_len;
 191         caplen -= switch_tag_len;
 192         p += switch_tag_len;
 193         hdrlen += switch_tag_len;
 194
 195         /*
 196          * Get the length/type field, skip past it, and print it
 197          * if we're printing the link-layer header.
 198          */
 199 recurse:
 200         length_type = GET_BE_U_2(p);
 201
 202         length -= 2;
 203         caplen -= 2;
 204         p += 2;
 205         hdrlen += 2;
 206
 207         /*
 208          * Process 802.1AE MACsec headers.
 209          */
 210         printed_length = 0;
 211         if (length_type == ETHERTYPE_MACSEC) {
 212                 /*
 213                  * MACsec, aka IEEE 802.1AE-2006
 214                  * Print the header, and try to print the payload if it's not encrypted
 215                  */
 216                 if (ndo->ndo_eflag) {
 217                         ether_type_print(ndo, length_type);
 218                         ND_PRINT(", length %u: ", orig_length);
 219                         printed_length = 1;
 220                 }
 221
 222                 int ret = macsec_print(ndo, &p, &length, &caplen, &hdrlen,
 223                                        &src, &dst);
 224
 225                 if (ret == 0) {
 226                         /* Payload is encrypted; print it as raw data. */
 227                         if (!ndo->ndo_suppress_default_print)
 228                                 ND_DEFAULTPRINT(p, caplen);
 229                         return hdrlen;
 230                 } else if (ret > 0) {
 231                         /* Problem printing the header; just quit. */
 232                         return ret;
 233                 } else {
 234                         /*
 235                          * Keep processing type/length fields.
 236                          */
 237                         length_type = GET_BE_U_2(p);
 238
 239                         ND_ICHECK_U(caplen, <, 2);
 240                         length -= 2;
 241                         caplen -= 2;
 242                         p += 2;
 243                         hdrlen += 2;
 244                 }
 245         }
 246
 247         /*
 248          * Process VLAN tag types.
 249          */
 250         while (length_type == ETHERTYPE_8021Q  ||
 251                 length_type == ETHERTYPE_8021Q9100 ||
 252                 length_type == ETHERTYPE_8021Q9200 ||
 253                 length_type == ETHERTYPE_8021QinQ) {
 254                 /*
 255                  * It has a VLAN tag.
 256                  * Print VLAN information, and then go back and process
 257                  * the enclosed type field.
 258                  */
 259                 if (caplen < 4) {
 260                         ndo->ndo_protocol = "vlan";
 261                         nd_print_trunc(ndo);
 262                         return hdrlen + caplen;
 263                 }
 264                 if (length < 4) {
 265                         ndo->ndo_protocol = "vlan";
 266                         nd_print_trunc(ndo);
 267                         return hdrlen + length;
 268                 }
 269                 if (ndo->ndo_eflag) {
 270                         uint16_t tag = GET_BE_U_2(p);
 271
 272                         ether_type_print(ndo, length_type);
 273                         if (!printed_length) {
 274                                 ND_PRINT(", length %u: ", orig_length);
 275                                 printed_length = 1;
 276                         } else
 277                                 ND_PRINT(", ");
 278                         ND_PRINT("%s, ", ieee8021q_tci_string(tag));
 279                 }
 280
 281                 length_type = GET_BE_U_2(p + 2);
 282                 p += 4;
 283                 length -= 4;
 284                 caplen -= 4;
 285                 hdrlen += 4;
 286         }
 287
 288         /*
 289          * We now have the final length/type field.
 290          */
 291         if (length_type <= MAX_ETHERNET_LENGTH_VAL) {
 292                 /*
 293                  * It's a length field, containing the length of the
 294                  * remaining payload; use it as such, as long as
 295                  * it's not too large (bigger than the actual payload).
 296                  */
 297                 if (length_type < length) {
 298                         length = length_type;
 299                         if (caplen > length)
 300                                 caplen = length;
 301                 }
 302
 303                 /*
 304                  * Cut off the snapshot length to the end of the
 305                  * payload.
 306                  */
 307                 if (!nd_push_snaplen(ndo, p, length)) {
 308                         (*ndo->ndo_error)(ndo, S_ERR_ND_MEM_ALLOC,
 309                                 "%s: can't push snaplen on buffer stack", __func__);
 310                 }
 311
 312                 if (ndo->ndo_eflag) {
 313                         ND_PRINT("802.3");
 314                         if (!printed_length)
 315                                 ND_PRINT(", length %u: ", length);
 316                 }
 317
 318                 /*
 319                  * An LLC header follows the length.  Print that and
 320                  * higher layers.
 321                  */
 322                 llc_hdrlen = llc_print(ndo, p, length, caplen, &src, &dst);
 323                 if (llc_hdrlen < 0) {
 324                         /* packet type not known, print raw packet */
 325                         if (!ndo->ndo_suppress_default_print)
 326                                 ND_DEFAULTPRINT(p, caplen);
 327                         llc_hdrlen = -llc_hdrlen;
 328                 }
 329                 hdrlen += llc_hdrlen;
 330                 nd_pop_packet_info(ndo);
 331         } else if (length_type == ETHERTYPE_JUMBO) {
 332                 /*
 333                  * It's a type field, with the type for Alteon jumbo frames.
 334                  * See
 335                  *
 336                  *      https://tools.ietf.org/html/draft-ietf-isis-ext-eth-01
 337                  *
 338                  * which indicates that, following the type field,
 339                  * there's an LLC header and payload.
 340                  */
 341                 /* Try to print the LLC-layer header & higher layers */
 342                 llc_hdrlen = llc_print(ndo, p, length, caplen, &src, &dst);
 343                 if (llc_hdrlen < 0) {
 344                         /* packet type not known, print raw packet */
 345                         if (!ndo->ndo_suppress_default_print)
 346                                 ND_DEFAULTPRINT(p, caplen);
 347                         llc_hdrlen = -llc_hdrlen;
 348                 }
 349                 hdrlen += llc_hdrlen;
 350         } else if (length_type == ETHERTYPE_ARISTA) {
 351                 if (caplen < 2) {
 352                         ND_PRINT("[|arista]");
 353                         return hdrlen + caplen;
 354                 }
 355                 if (length < 2) {
 356                         ND_PRINT("[|arista]");
 357                         return hdrlen + length;
 358                 }
 359                 ether_type_print(ndo, length_type);
 360                 ND_PRINT(", length %u: ", orig_length);
 361                 int bytesConsumed = arista_ethertype_print(ndo, p, length);
 362                 if (bytesConsumed > 0) {
 363                         p += bytesConsumed;
 364                         length -= bytesConsumed;
 365                         caplen -= bytesConsumed;
 366                         hdrlen += bytesConsumed;
 367                         goto recurse;
 368                 } else {
 369                         /* subtype/version not known, print raw packet */
 370                         if (!ndo->ndo_eflag && length_type > MAX_ETHERNET_LENGTH_VAL) {
 371                                 ether_addresses_print(ndo, src.addr, dst.addr);
 372                                 ether_type_print(ndo, length_type);
 373                                 ND_PRINT(", length %u: ", orig_length);
 374                         }
 375                          if (!ndo->ndo_suppress_default_print)
 376                                  ND_DEFAULTPRINT(p, caplen);
 377                 }
 378         } else {
 379                 /*
 380                  * It's a type field with some other value.
 381                  */
 382                 if (ndo->ndo_eflag) {
 383                         ether_type_print(ndo, length_type);
 384                         if (!printed_length)
 385                                 ND_PRINT(", length %u: ", orig_length);
 386                         else
 387                                 ND_PRINT(", ");
 388                 }
 389                 if (ethertype_print(ndo, length_type, p, length, caplen, &src, &dst) == 0) {
 390                         /* type not known, print raw packet */
 391                         if (!ndo->ndo_eflag) {
 392                                 /*
 393                                  * We didn't print the full link-layer
 394                                  * header, as -e wasn't specified, so
 395                                  * print only the source and destination
 396                                  * MAC addresses and the final Ethernet
 397                                  * type.
 398                                  */
 399                                 ether_addresses_print(ndo, src.addr, dst.addr);
 400                                 ether_type_print(ndo, length_type);
 401                                 ND_PRINT(", length %u: ", orig_length);
 402                         }
 403
 404                         if (!ndo->ndo_suppress_default_print)
 405                                 ND_DEFAULTPRINT(p, caplen);
 406                 }
 407         }
 408 invalid:
 409         return hdrlen;
 410 }
 411
 412 /*
 413  * Print an Ethernet frame while specifying a non-standard Ethernet header
 414  * length.
 415  * This might be encapsulated within another frame; we might be passed
 416  * a pointer to a function that can print header information for that
 417  * frame's protocol, and an argument to pass to that function.
 418  *
 419  * FIXME: caplen can and should be derived from ndo->ndo_snapend and p.
 420  */
 421 u_int
 422 ether_switch_tag_print(netdissect_options *ndo, const u_char *p, u_int length,
 423     u_int caplen,
 424     void (*print_switch_tag)(netdissect_options *, const u_char *),
 425     u_int switch_tag_len)
 426 {
 427         return ether_common_print(ndo, p, length, caplen, print_switch_tag,
 428                                   switch_tag_len, NULL, NULL);
 429 }
 430
 431 /*
 432  * Print an Ethernet frame.
 433  * This might be encapsulated within another frame; we might be passed
 434  * a pointer to a function that can print header information for that
 435  * frame's protocol, and an argument to pass to that function.
 436  *
 437  * FIXME: caplen can and should be derived from ndo->ndo_snapend and p.
 438  */
 439 u_int
 440 ether_print(netdissect_options *ndo,
 441             const u_char *p, u_int length, u_int caplen,
 442             void (*print_encap_header)(netdissect_options *ndo, const u_char *),
 443             const u_char *encap_header_arg)
 444 {
 445         ndo->ndo_protocol = "ether";
 446         return ether_common_print(ndo, p, length, caplen, NULL, 0,
 447                                   print_encap_header, encap_header_arg);
 448 }
 449
 450 /*
 451  * This is the top level routine of the printer.  'p' points
 452  * to the ether header of the packet, 'h->len' is the length
 453  * of the packet off the wire, and 'h->caplen' is the number
 454  * of bytes actually captured.
 455  */
 456 void
 457 ether_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 458                const u_char *p)
 459 {
 460         ndo->ndo_protocol = "ether";
 461         ndo->ndo_ll_hdr_len +=
 462                 ether_print(ndo, p, h->len, h->caplen, NULL, NULL);
 463 }
 464
 465 /*
 466  * This is the top level routine of the printer.  'p' points
 467  * to the ether header of the packet, 'h->len' is the length
 468  * of the packet off the wire, and 'h->caplen' is the number
 469  * of bytes actually captured.
 470  *
 471  * This is for DLT_NETANALYZER, which has a 4-byte pseudo-header
 472  * before the Ethernet header.
 473  */
 474 void
 475 netanalyzer_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 476                      const u_char *p)
 477 {
 478         /*
 479          * Fail if we don't have enough data for the Hilscher pseudo-header.
 480          */
 481         ndo->ndo_protocol = "netanalyzer";
 482         ND_TCHECK_4(p);
 483
 484         /* Skip the pseudo-header. */
 485         ndo->ndo_ll_hdr_len += 4;
 486         ndo->ndo_ll_hdr_len +=
 487                 ether_print(ndo, p + 4, h->len - 4, h->caplen - 4, NULL, NULL);
 488 }
 489
 490 /*
 491  * This is the top level routine of the printer.  'p' points
 492  * to the ether header of the packet, 'h->len' is the length
 493  * of the packet off the wire, and 'h->caplen' is the number
 494  * of bytes actually captured.
 495  *
 496  * This is for DLT_NETANALYZER_TRANSPARENT, which has a 4-byte
 497  * pseudo-header, a 7-byte Ethernet preamble, and a 1-byte Ethernet SOF
 498  * before the Ethernet header.
 499  */
 500 void
 501 netanalyzer_transparent_if_print(netdissect_options *ndo,
 502                                  const struct pcap_pkthdr *h,
 503                                  const u_char *p)
 504 {
 505         /*
 506          * Fail if we don't have enough data for the Hilscher pseudo-header,
 507          * preamble, and SOF.
 508          */
 509         ndo->ndo_protocol = "netanalyzer_transparent";
 510         ND_TCHECK_LEN(p, 12);
 511
 512         /* Skip the pseudo-header, preamble, and SOF. */
 513         ndo->ndo_ll_hdr_len += 12;
 514         ndo->ndo_ll_hdr_len +=
 515                 ether_print(ndo, p + 12, h->len - 12, h->caplen - 12, NULL, NULL);
 516 }
 517
 518 /*
 519  * Prints the packet payload, given an Ethernet type code for the payload's
 520  * protocol.
 521  *
 522  * Returns non-zero if it can do so, zero if the ethertype is unknown.
 523  */
 524
 525 int
 526 ethertype_print(netdissect_options *ndo,
 527                 u_short ether_type, const u_char *p,
 528                 u_int length, u_int caplen,
 529                 const struct lladdr_info *src, const struct lladdr_info *dst)
 530 {
 531         switch (ether_type) {
 532
 533         case ETHERTYPE_IP:
 534                 ip_print(ndo, p, length);
 535                 return (1);
 536
 537         case ETHERTYPE_IPV6:
 538                 ip6_print(ndo, p, length);
 539                 return (1);
 540
 541         case ETHERTYPE_ARP:
 542         case ETHERTYPE_REVARP:
 543                 arp_print(ndo, p, length, caplen);
 544                 return (1);
 545
 546         case ETHERTYPE_DN:
 547                 decnet_print(ndo, p, length, caplen);
 548                 return (1);
 549
 550         case ETHERTYPE_ATALK:
 551                 if (ndo->ndo_vflag)
 552                         ND_PRINT("et1 ");
 553                 atalk_print(ndo, p, length);
 554                 return (1);
 555
 556         case ETHERTYPE_AARP:
 557                 aarp_print(ndo, p, length);
 558                 return (1);
 559
 560         case ETHERTYPE_IPX:
 561                 ND_PRINT("(NOV-ETHII) ");
 562                 ipx_print(ndo, p, length);
 563                 return (1);
 564
 565         case ETHERTYPE_ISO:
 566                 if (length == 0 || caplen == 0) {
 567                         ndo->ndo_protocol = "isoclns";
 568                         nd_print_trunc(ndo);
 569                         return (1);
 570                 }
 571                 /* At least one byte is required */
 572                 /* FIXME: Reference for this byte? */
 573                 ND_TCHECK_1(p);
 574                 isoclns_print(ndo, p + 1, length - 1);
 575                 return(1);
 576
 577         case ETHERTYPE_PPPOED:
 578         case ETHERTYPE_PPPOES:
 579         case ETHERTYPE_PPPOED2:
 580         case ETHERTYPE_PPPOES2:
 581                 pppoe_print(ndo, p, length);
 582                 return (1);
 583
 584         case ETHERTYPE_EAPOL:
 585                 eapol_print(ndo, p);
 586                 return (1);
 587
 588         case ETHERTYPE_REALTEK:
 589                 rtl_print(ndo, p, length, src, dst);
 590                 return (1);
 591
 592         case ETHERTYPE_PPP:
 593                 if (length) {
 594                         ND_PRINT(": ");
 595                         ppp_print(ndo, p, length);
 596                 }
 597                 return (1);
 598
 599         case ETHERTYPE_MPCP:
 600                 mpcp_print(ndo, p, length);
 601                 return (1);
 602
 603         case ETHERTYPE_SLOW:
 604                 slow_print(ndo, p, length);
 605                 return (1);
 606
 607         case ETHERTYPE_CFM:
 608         case ETHERTYPE_CFM_OLD:
 609                 cfm_print(ndo, p, length);
 610                 return (1);
 611
 612         case ETHERTYPE_LLDP:
 613                 lldp_print(ndo, p, length);
 614                 return (1);
 615
 616         case ETHERTYPE_NSH:
 617                 nsh_print(ndo, p, length);
 618                 return (1);
 619
 620         case ETHERTYPE_LOOPBACK:
 621                 loopback_print(ndo, p, length);
 622                 return (1);
 623
 624         case ETHERTYPE_MPLS:
 625         case ETHERTYPE_MPLS_MULTI:
 626                 mpls_print(ndo, p, length);
 627                 return (1);
 628
 629         case ETHERTYPE_TIPC:
 630                 tipc_print(ndo, p, length, caplen);
 631                 return (1);
 632
 633         case ETHERTYPE_MS_NLB_HB:
 634                 msnlb_print(ndo, p);
 635                 return (1);
 636
 637         case ETHERTYPE_GEONET_OLD:
 638         case ETHERTYPE_GEONET:
 639                 geonet_print(ndo, p, length, src);
 640                 return (1);
 641
 642         case ETHERTYPE_CALM_FAST:
 643                 calm_fast_print(ndo, p, length, src);
 644                 return (1);
 645
 646         case ETHERTYPE_AOE:
 647                 aoe_print(ndo, p, length);
 648                 return (1);
 649
 650         case ETHERTYPE_PTP:
 651                 ptp_print(ndo, p, length);
 652                 return (1);
 653
 654         case ETHERTYPE_LAT:
 655         case ETHERTYPE_SCA:
 656         case ETHERTYPE_MOPRC:
 657         case ETHERTYPE_MOPDL:
 658         case ETHERTYPE_IEEE1905_1:
 659                 /* default_print for now */
 660         default:
 661                 return (0);
 662         }
 663 }